MICROSOFT Archives - icodebroker

[C#/WINFORM/.NET8] UserControl 클래스 : 등고선 차트 컨트롤 만들기

■ UserControl 클래스를 사용해 등고선 차트 컨트롤을 만드는 방법을 보여준다. ▶ ContourChartControl.cs


using System.Collections.Generic;
using System.Drawing;
using System.Windows.Forms;

namespace TestProject;

/// <summary>
/// 등고선 차트 컨트롤
/// </summary>
public partial class ContourChartControl : UserControl
{
    //////////////////////////////////////////////////////////////////////////////////////////////////// Field
    ////////////////////////////////////////////////////////////////////////////////////////// Private

    #region Field

    /// <summary>
    /// 레벨 배열
    /// </summary>
    private float[] levelArray;

    /// <summary>
    /// 색상 배열
    /// </summary>
    private Color[] colorArray;

    /// <summary>
    /// 데이터 배열
    /// </summary>
    private float[,] valueArray;

    #endregion

    //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
    ////////////////////////////////////////////////////////////////////////////////////////// Public

    #region 생성자 - ContourChartControl()

    /// <summary>
    /// 생성자
    /// </summary>
    public ContourChartControl()
    {
        InitializeComponent();
    }

    #endregion

    //////////////////////////////////////////////////////////////////////////////////////////////////// Method
    ////////////////////////////////////////////////////////////////////////////////////////// Public

    #region 데이터 설정하기 - SetData(levelArray, colorArray, valueArray)

    /// <summary>
    /// 데이터 설정하기
    /// </summary>
    /// <param name="levelArray">레벨 배열</param>
    /// <param name="colorArray">색상 배열</param>
    /// <param name="valueArray">값 배열</param>
    public void SetData(float[] levelArray, Color[] colorArray, float[,] valueArray)
    {
        this.levelArray = levelArray;
        this.colorArray = colorArray;
        this.valueArray = valueArray;

        Invalidate();
    }

    #endregion

    ////////////////////////////////////////////////////////////////////////////////////////// Protected

    #region 페인트 처리하기 - OnPaint(e)

    /// <summary>
    /// 페인트 처리하기
    /// </summary>
    /// <param name="e">이벤트 인자</param>
    protected override void OnPaint(PaintEventArgs e)
    {
        base.OnPaint(e);

        if(this.valueArray == null || this.levelArray == null || this.colorArray == null)
        {
            return;
        }

        DrawContour(e.Graphics);
    }

    #endregion

    ////////////////////////////////////////////////////////////////////////////////////////// Private

    #region 포인트 스케일 설정하기 - ScalePoint(sourcePoint)

    /// <summary>
    /// 포인트 스케일 설정하기
    /// </summary>
    /// <param name="sourcePoint">소스 포인트</param>
    /// <returns>스케일 포인트</returns>
    private PointF ScalePoint(PointF sourcePoint)
    {
        return new PointF(sourcePoint.X * Width / (valueArray.GetLength(0) - 1), Height - sourcePoint.Y * Height / (valueArray.GetLength(1) - 1));
    }

    #endregion
    #region 등고선 셀 그리기 - DrawContourCell(graphics, x, y, valueArray, lowLevel, highLevel, color)

    /// <summary>
    /// 등고선 셀 그리기
    /// </summary>
    /// <param name="graphics">그래픽스</param>
    /// <param name="x">X</param>
    /// <param name="y">Y</param>
    /// <param name="valueArray">값 배열</param>
    /// <param name="lowLevel">하한 레벨</param>
    /// <param name="highLevel">상한 레벨</param>
    /// <param name="color">색상</param>
    private void DrawContourCell(Graphics graphics, int x, int y, float[] valueArray, float lowLevel, float highLevel, Color color)
    {
        List<PointF> pointList = new List<PointF>();

        for(int i = 0; i < 4; i++)
        {
            int j = (i + 1) % 4;

            if((valueArray[i] < lowLevel && valueArray[j] >= lowLevel) || (valueArray[i] >= lowLevel && valueArray[j] < lowLevel))
            {
                float t = (lowLevel - valueArray[i]) / (valueArray[j] - valueArray[i]);

                pointList.Add
                (
                    new PointF
                    (
                        x + (i % 2) + t * ((j % 2) - (i % 2)),
                        y + (i / 2) + t * ((j / 2) - (i / 2))
                    )
                );
            }
        }

        if(pointList.Count == 2)
        {
            using(Pen pen = new Pen(color, 1))
            {
                graphics.DrawLine(pen, ScalePoint(pointList[0]), ScalePoint(pointList[1]));
            }
        }
    }

    #endregion
    #region 등고선 그리기 - DrawContour(graphics)

    /// <summary>
    /// 등고선 그리기
    /// </summary>
    /// <param name="graphics">그래픽스</param>
    private void DrawContour(Graphics graphics)
    {
        int width  = this.valueArray.GetLength(0);
        int height = this.valueArray.GetLength(1);

        for(int x = 0; x < width - 1; x++)
        {
            for(int y = 0; y < height - 1; y++)
            {
                float[] cellValueArray = new float[]
                {
                    valueArray[x    , y    ],
                    valueArray[x + 1, y    ],
                    valueArray[x + 1, y + 1],
                    valueArray[x    , y + 1]
                };

                for(int i = 0; i < this.levelArray.Length - 1; i++)
                {
                    DrawContourCell(graphics, x, y, cellValueArray, this.levelArray[i], this.levelArray[i + 1], this.colorArray[i]);
                }
            }
        }
    }

    #endregion
}

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using System.Collections.Generic;

using System.Drawing;

using System.Windows.Forms;

namespace TestProject;

/// <summary>

/// 등고선 차트 컨트롤

/// </summary>

public partial class ContourChartControl : UserControl

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Private

#region Field

/// <summary>

/// 레벨 배열

/// </summary>

private float[] levelArray;

/// <summary>

/// 색상 배열

/// </summary>

private Color[] colorArray;

/// <summary>

/// 데이터 배열

/// </summary>

private float[,] valueArray;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - ContourChartControl()

/// <summary>

/// 생성자

/// </summary>

public ContourChartControl()

{

InitializeComponent();

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 데이터 설정하기 - SetData(levelArray, colorArray, valueArray)

/// <summary>

/// 데이터 설정하기

/// </summary>

/// <param name="levelArray">레벨 배열</param>

/// <param name="colorArray">색상 배열</param>

/// <param name="valueArray">값 배열</param>

public void SetData(float[] levelArray, Color[] colorArray, float[,] valueArray)

{

this.levelArray = levelArray;

this.colorArray = colorArray;

this.valueArray = valueArray;

Invalidate();

}

#endregion

////////////////////////////////////////////////////////////////////////////////////////// Protected

#region 페인트 처리하기 - OnPaint(e)

/// <summary>

/// 페인트 처리하기

/// </summary>

/// <param name="e">이벤트 인자</param>

protected override void OnPaint(PaintEventArgs e)

{

base.OnPaint(e);

if(this.valueArray == null || this.levelArray == null || this.colorArray == null)

{

return;

}

DrawContour(e.Graphics);

}

#endregion

////////////////////////////////////////////////////////////////////////////////////////// Private

#region 포인트 스케일 설정하기 - ScalePoint(sourcePoint)

/// <summary>

/// 포인트 스케일 설정하기

/// </summary>

/// <param name="sourcePoint">소스 포인트</param>

/// <returns>스케일 포인트</returns>

private PointF ScalePoint(PointF sourcePoint)

{

return new PointF(sourcePoint.X * Width / (valueArray.GetLength(0) - 1), Height - sourcePoint.Y * Height / (valueArray.GetLength(1) - 1));

}

#endregion

#region 등고선 셀 그리기 - DrawContourCell(graphics, x, y, valueArray, lowLevel, highLevel, color)

/// <summary>

/// 등고선 셀 그리기

/// </summary>

/// <param name="graphics">그래픽스</param>

/// <param name="x">X</param>

/// <param name="y">Y</param>

/// <param name="valueArray">값 배열</param>

/// <param name="lowLevel">하한 레벨</param>

/// <param name="highLevel">상한 레벨</param>

/// <param name="color">색상</param>

private void DrawContourCell(Graphics graphics, int x, int y, float[] valueArray, float lowLevel, float highLevel, Color color)

{

List<PointF> pointList = new List<PointF>();

for(int i = 0; i < 4; i++)

{

int j = (i + 1) % 4;

if((valueArray[i] < lowLevel && valueArray[j] >= lowLevel) || (valueArray[i] >= lowLevel && valueArray[j] < lowLevel))

{

float t = (lowLevel - valueArray[i]) / (valueArray[j] - valueArray[i]);

pointList.Add

(

new PointF

(

x + (i % 2) + t * ((j % 2) - (i % 2)),

y + (i / 2) + t * ((j / 2) - (i / 2))

)

);

}

if(pointList.Count == 2)

{

using(Pen pen = new Pen(color, 1))

{

graphics.DrawLine(pen, ScalePoint(pointList[0]), ScalePoint(pointList[1]));

}

#endregion

#region 등고선 그리기 - DrawContour(graphics)

/// <summary>

/// 등고선 그리기

/// </summary>

/// <param name="graphics">그래픽스</param>

private void DrawContour(Graphics graphics)

{

int width = this.valueArray.GetLength(0);

int height = this.valueArray.GetLength(1);

for(int x = 0; x < width - 1; x++)

{

for(int y = 0; y < height - 1; y++)

{

float[] cellValueArray = new float[]

{

valueArray[x , y ],

valueArray[x + 1, y ],

valueArray[x + 1, y + 1],

valueArray[x , y + 1]

};

for(int i = 0; i < this.levelArray.Length - 1; i++)

{

DrawContourCell(graphics, x, y, cellValueArray, this.levelArray[i], this.levelArray[i + 1], this.colorArray[i]);

}

#endregion

}

▶ MainForm.cs


using System;
using System.Drawing;
using System.Windows.Forms;

namespace TestProject;

/// <summary>
/// 메인 폼
/// </summary>
public partial class MainForm : Form
{
    //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
    ////////////////////////////////////////////////////////////////////////////////////////// Public

    #region 생성자 - MainForm()

    /// <summary>
    /// 생성자
    /// </summary>
    public MainForm()
    {
        InitializeComponent();

        float[]  levelArray = { 0f, 0.2f, 0.4f, 0.6f, 0.8f, 1f };
        Color[]  colorArray = { Color.Blue, Color.Green, Color.Yellow, Color.Orange, Color.Red };
        float[,] valueArray = GetValueArray();

        contourChartControl.SetData(levelArray, colorArray, valueArray);
    }

    #endregion

    //////////////////////////////////////////////////////////////////////////////////////////////////// Method
    ////////////////////////////////////////////////////////////////////////////////////////// Private

    #region 값 배열 구하기 - GetValueArray()

    /// <summary>
    /// 값 배열 구하기
    /// </summary>
    /// <returns>값 배열</returns>
    public float[,] GetValueArray()
    {
        int width  = this.contourChartControl.Width;
        int height = this.contourChartControl.Height;

        float[,] valueArray = new float[width, height];

        for(int x = 0; x < width; x++)
        {
            for(int y = 0; y < height; y++)
            {
                float xNormalized = (float)x / width  * 10;
                float yNormalized = (float)y / height * 10;

                valueArray[x, y] = (float)(Math.Sin(xNormalized) * Math.Cos(yNormalized) + Math.Cos(xNormalized * 0.5f) * Math.Sin(yNormalized * 0.5f));

                valueArray[x, y] = (valueArray[x, y] + 1) / 2;
            }
        }

        return valueArray;
    }

    #endregion
}

using System;

using System.Drawing;

using System.Windows.Forms;

namespace TestProject;

/// <summary>

/// 메인 폼

/// </summary>

public partial class MainForm : Form

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainForm()

/// <summary>

/// 생성자

/// </summary>

public MainForm()

{

InitializeComponent();

float[] levelArray = { 0f, 0.2f, 0.4f, 0.6f, 0.8f, 1f };

Color[] colorArray = { Color.Blue, Color.Green, Color.Yellow, Color.Orange, Color.Red };

float[,] valueArray = GetValueArray();

contourChartControl.SetData(levelArray, colorArray, valueArray);

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Private

#region 값 배열 구하기 - GetValueArray()

/// <summary>

/// 값 배열 구하기

/// </summary>

/// <returns>값 배열</returns>

public float[,] GetValueArray()

{

int width = this.contourChartControl.Width;

int height = this.contourChartControl.Height;

float[,] valueArray = new float[width, height];

for(int x = 0; x < width; x++)

{

for(int y = 0; y < height; y++)

{

float xNormalized = (float)x / width * 10;

float yNormalized = (float)y / height * 10;

valueArray[x, y] = (float)(Math.Sin(xNormalized) * Math.Cos(yNormalized) + Math.Cos(xNormalized * 0.5f) * Math.Sin(yNormalized * 0.5f));

valueArray[x, y] = (valueArray[x, y] + 1) / 2;

}

return valueArray;

}

#endregion

}

TestProject.zip

[C#/WINFORM] 데스크톱에서 눈송이(snowflake) 내리기

■ 데스크톱에서 눈송이(snowflake)를 내리는 방법을 보여준다. ▶ Snowflake.cs


using System;
using System.Drawing;
using System.Windows.Forms;

namespace TestProject
{
    /// <summary>
    /// 눈송이
    /// </summary>
    public class Snowflake : PictureBox
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 난수기
        /// </summary>
        private Random random = new Random();

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - Snowflake()

        /// <summary>
        /// 생성자
        /// </summary>
        public Snowflake()
        {
            Create();

            Move();
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private
        //////////////////////////////////////////////////////////////////////////////// Event

        #region 타이머 틱 처리하기 - timer_Tick(sender, e)

        /// <summary>
        /// 타이머 틱 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void timer_Tick(object sender, EventArgs e)
        {
            Location += new Size(1, 3);

            if(Location.X > Screen.PrimaryScreen.Bounds.Width || Location.Y > Screen.PrimaryScreen.Bounds.Height)
            {
                Location = new Point
                (
                    this.random.Next(-Screen.PrimaryScreen.Bounds.Width , Screen.PrimaryScreen.Bounds.Width ),
                    this.random.Next(-Screen.PrimaryScreen.Bounds.Height, Screen.PrimaryScreen.Bounds.Height)
                );
            }
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////// Function

        #region 생성하기 - Create()

        /// <summary>
        /// 생성하기
        /// </summary>
        private void Create()
        {
            Location        = new Point
            (
                this.random.Next(-Screen.PrimaryScreen.Bounds.Width , Screen.PrimaryScreen.Bounds.Width ),
                this.random.Next(-Screen.PrimaryScreen.Bounds.Height, Screen.PrimaryScreen.Bounds.Height)
            );
            MinimumSize     = new Size(7, 7);
            Size            = new Size(10, 10);
            BackgroundImage = Image.FromFile("snowflake.jpg");
        }

        #endregion
        #region 이동하기 - Move()

        /// <summary>
        /// 이동하기
        /// </summary>
        private new void Move()
        {
            Timer timer = new Timer();

            timer.Interval = 40;

            timer.Tick += timer_Tick;

            timer.Start();
        }

        #endregion
    }
}

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using System;

using System.Drawing;

using System.Windows.Forms;

namespace TestProject

{

/// <summary>

/// 눈송이

/// </summary>

public class Snowflake : PictureBox

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Private

#region Field

/// <summary>

/// 난수기

/// </summary>

private Random random = new Random();

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - Snowflake()

/// <summary>

/// 생성자

/// </summary>

public Snowflake()

{

Create();

Move();

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Private

//////////////////////////////////////////////////////////////////////////////// Event

#region 타이머 틱 처리하기 - timer_Tick(sender, e)

/// <summary>

/// 타이머 틱 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void timer_Tick(object sender, EventArgs e)

{

Location += new Size(1, 3);

if(Location.X > Screen.PrimaryScreen.Bounds.Width || Location.Y > Screen.PrimaryScreen.Bounds.Height)

{

Location = new Point

(

this.random.Next(-Screen.PrimaryScreen.Bounds.Width , Screen.PrimaryScreen.Bounds.Width ),

this.random.Next(-Screen.PrimaryScreen.Bounds.Height, Screen.PrimaryScreen.Bounds.Height)

);

}

#endregion

//////////////////////////////////////////////////////////////////////////////// Function

#region 생성하기 - Create()

/// <summary>

/// 생성하기

/// </summary>

private void Create()

{

Location = new Point

(

this.random.Next(-Screen.PrimaryScreen.Bounds.Width , Screen.PrimaryScreen.Bounds.Width ),

this.random.Next(-Screen.PrimaryScreen.Bounds.Height, Screen.PrimaryScreen.Bounds.Height)

);

MinimumSize = new Size(7, 7);

Size = new Size(10, 10);

BackgroundImage = Image.FromFile("snowflake.jpg");

}

#endregion

#region 이동하기 - Move()

/// <summary>

/// 이동하기

/// </summary>

private new void Move()

{

Timer timer = new Timer();

timer.Interval = 40;

timer.Tick += timer_Tick;

timer.Start();

}

#endregion

}

▶ MainForm.cs


using System;
using System.Drawing;
using System.Windows.Forms;

namespace TestProject
{
    /// <summary>
    /// 메인 폼
    /// </summary>
    public partial class MainForm : Form
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 눈송이 카운트
        /// </summary>
        private readonly int snowflakeCount = 40;

        /// <summary>
        /// 눈송이 배열
        /// </summary>
        private Snowflake[] snowflakeArray;

        /// <summary>
        /// 인덱스
        /// </summary>
        private int index = 0;

        /// <summary>
        /// 타이머
        /// </summary>
        private Timer timer;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainForm()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainForm()
        {
            InitializeComponent();

            Load += Form_Load;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region 폼 로드시 처리하기 - Form_Load(sender, e)

        /// <summary>
        /// 폼 로드시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void Form_Load(object sender, EventArgs e)
        {
            Location        = new Point(0, 0);
            Size            = Screen.PrimaryScreen.Bounds.Size + (new Size(20, 20));
            TopMost         = true;
            FormBorderStyle = FormBorderStyle.None;
            BackColor       = Color.Black;
            TransparencyKey = Color.Black;

            this.snowflakeArray = new Snowflake[this.snowflakeCount];

            this.timer = new Timer();

            this.timer.Interval = 1000;

            this.timer.Tick += timer_Tick;

            this.timer.Start();
        }

        #endregion
        #region 타이머 틱 처리하기 - timer_Tick(sender, e)

        /// <summary>
        /// 타이머 틱 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void timer_Tick(object sender, EventArgs e)
        {
            if(this.index >= this.snowflakeCount)
            {
                this.timer.Stop();

                return;
            }

            this.snowflakeArray[index] = new Snowflake();

            Controls.Add(this.snowflakeArray[this.index]);

            this.index++;
        }

        #endregion
    }
}

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using System;

using System.Drawing;

using System.Windows.Forms;

namespace TestProject

{

/// <summary>

/// 메인 폼

/// </summary>

public partial class MainForm : Form

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Private

#region Field

/// <summary>

/// 눈송이 카운트

/// </summary>

private readonly int snowflakeCount = 40;

/// <summary>

/// 눈송이 배열

/// </summary>

private Snowflake[] snowflakeArray;

/// <summary>

/// 인덱스

/// </summary>

private int index = 0;

/// <summary>

/// 타이머

/// </summary>

private Timer timer;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainForm()

/// <summary>

/// 생성자

/// </summary>

public MainForm()

{

InitializeComponent();

Load += Form_Load;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Private

#region 폼 로드시 처리하기 - Form_Load(sender, e)

/// <summary>

/// 폼 로드시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void Form_Load(object sender, EventArgs e)

{

Location = new Point(0, 0);

Size = Screen.PrimaryScreen.Bounds.Size + (new Size(20, 20));

TopMost = true;

FormBorderStyle = FormBorderStyle.None;

BackColor = Color.Black;

TransparencyKey = Color.Black;

this.snowflakeArray = new Snowflake[this.snowflakeCount];

this.timer = new Timer();

this.timer.Interval = 1000;

this.timer.Tick += timer_Tick;

this.timer.Start();

}

#endregion

#region 타이머 틱 처리하기 - timer_Tick(sender, e)

/// <summary>

/// 타이머 틱 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void timer_Tick(object sender, EventArgs e)

{

if(this.index >= this.snowflakeCount)

{

this.timer.Stop();

return;

}

this.snowflakeArray[index] = new Snowflake();

Controls.Add(this.snowflakeArray[this.index]);

this.index++;

}

#endregion

}

TestProject.zip

[C#/WINFORM/.NET6] HSV 색상 선택기 만들기

■ HSV 색상 선택기를 만드는 방법을 보여준다. ▶ Point2D.cs


namespace TestProject;

/// <summary>
/// 2D 포인트
/// </summary>
public class Point2D
{
    //////////////////////////////////////////////////////////////////////////////////////////////////// Property
    ////////////////////////////////////////////////////////////////////////////////////////// Public

    #region X 좌표 - X

    /// <summary>
    /// X 좌표
    /// </summary>
    public double X { get; set; }

    #endregion
    #region Y 좌표 - Y

    /// <summary>
    /// Y 좌표
    /// </summary>
    public double Y { get; set; }

    #endregion
}

namespace TestProject;

/// <summary>

/// 2D 포인트

/// </summary>

public class Point2D

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Property

////////////////////////////////////////////////////////////////////////////////////////// Public

#region X 좌표 - X

/// <summary>

/// X 좌표

/// </summary>

public double X { get; set; }

#endregion

#region Y 좌표 - Y

/// <summary>

/// Y 좌표

/// </summary>

public double Y { get; set; }

#endregion

}

▶ ColorPicker.cs


using System.Drawing.Imaging;

namespace TestProject;

/// <summary>
/// 색상 선택기
/// </summary>
public class ColorPicker
{
    //////////////////////////////////////////////////////////////////////////////////////////////////// Enumeration
    ////////////////////////////////////////////////////////////////////////////////////////// Public

    #region 영역 - Area

    /// <summary>
    /// 영역
    /// </summary>
    public enum Area
    {
        /// <summary>
        /// 외부
        /// </summary>
        Outside,

        /// <summary>
        /// 휠
        /// </summary>
        Wheel,

        /// <summary>
        /// 삼각형
        /// </summary>
        Triangle
    }

    #endregion

    //////////////////////////////////////////////////////////////////////////////////////////////////// Structure
    ////////////////////////////////////////////////////////////////////////////////////////// Public

    #region 선택 결과 - PickResult

    /// <summary>
    /// 선택 결과
    /// </summary>
    public struct PickResult
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Property
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 영역 - Area

        /// <summary>
        /// 영역
        /// </summary>
        public Area Area { get; set; }

        #endregion
        #region 색상 - Hue

        /// <summary>
        /// 색상
        /// </summary>
        public double? Hue { get; set; }

        #endregion
        #region 채도 - Saturation

        /// <summary>
        /// 채도
        /// </summary>
        public double? Saturation { get; set; }

        #endregion
        #region 값 - Value

        /// <summary>
        /// 값
        /// </summary>
        public double? Value { get; set; }

        #endregion
    }

    #endregion

    //////////////////////////////////////////////////////////////////////////////////////////////////// Property
    ////////////////////////////////////////////////////////////////////////////////////////// Public

    #region 크기 - Size

    /// <summary>
    /// 크기
    /// </summary>
    public int Size { get; }

    #endregion
    #region 중앙 X - CenterX

    /// <summary>
    /// 중앙 X
    /// </summary>
    public int CenterX => Size / 2;

    #endregion
    #region 중앙 Y - CenterY

    /// <summary>
    /// 중앙 Y
    /// </summary>
    public int CenterY => Size / 2;

    #endregion
    #region 내부 반경 - InnerRadius

    /// <summary>
    /// 내부 반경
    /// </summary>
    public int InnerRadius => Size * 5 / 12;

    #endregion
    #region 외부 반경 - OuterRadius

    /// <summary>
    /// 외부 반경
    /// </summary>
    public int OuterRadius => Size / 2;

    #endregion

    //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
    ////////////////////////////////////////////////////////////////////////////////////////// Public

    #region 생성자 - ColorPicker(size)

    /// <summary>
    /// 생성자
    /// </summary>
    /// <param name="size">크기</param>
    public ColorPicker(int size = 400)
    {
        Size = size;
    }

    #endregion

    //////////////////////////////////////////////////////////////////////////////////////////////////// Method
    ////////////////////////////////////////////////////////////////////////////////////////// Public

    #region 이미지 그리기 - DrawImage(hue, saturation, value)

    /// <summary>
    /// 이미지 그리기
    /// </summary>
    /// <param name="hue">색상</param>
    /// <param name="saturation">채도</param>
    /// <param name="value">값</param>
    /// <returns>이미지</returns>
    public Image DrawImage(double hue = 0d, double saturation = 1d, double value = 1d)
    {
        Bitmap bitmap = new Bitmap(Size, Size, PixelFormat.Format32bppArgb);

        for(int y = 0; y < Size; y++)
        {
            for(int x = 0; x < Size; x++)
            {
                Color color;

                PickResult pickResult = Pick(x, y);

                if(pickResult.Area == Area.Outside)
                {
                    color = Color.Transparent;
                }
                else if(pickResult.Area == Area.Wheel)
                {
                    color = GetHSVColor(pickResult.Hue.Value, saturation, value, 1);
                }
                else
                {
                    color = GetHSVColor(hue, pickResult.Saturation.Value, pickResult.Value.Value, 1);
                }

                bitmap.SetPixel(x, y, color);
            }
        }

        return bitmap;
    }

    #endregion
    #region 휠 위치 구하기 - GetWheelPosition(hue)

    /// <summary>
    /// 휠 위치 구하기
    /// </summary>
    /// <param name="hue">색상</param>
    /// <returns>휠 위치</returns>
    public Point2D GetWheelPosition(double hue)
    {
        double middleRadius = (InnerRadius + OuterRadius) / 2;

        return new Point2D
        {
            X = CenterX + middleRadius * Math.Sin(hue),
            Y = CenterY - middleRadius * Math.Cos(hue)
        };
    }

    #endregion
    #region 삼각형 위치 구하기 - GetTrianglePosition(saturation, value)

    /// <summary>
    /// 삼각형 위치 구하기
    /// </summary>
    /// <param name="saturation">채도</param>
    /// <param name="value">값</param>
    /// <returns>삼각형 위치</returns>
    public Point2D GetTrianglePosition(double saturation, double value)
    {
        double squareRoot3 = Math.Sqrt(3);

        return new Point2D
        {
            X = CenterX + InnerRadius * (2 * value - saturation * value - 1) * squareRoot3 / 2,
            Y = CenterY + InnerRadius * (1 - 3 * saturation * value) / 2
        };
    }

    #endregion
    #region 선택하기 - Pick(x, y)

    /// <summary>
    /// 선택하기
    /// </summary>
    /// <param name="x">X 좌표</param>
    /// <param name="y">Y 좌표</param>
    /// <returns>선택 결과</returns>
    public PickResult Pick(double x, double y)
    {
        double distanceFromCenter = Math.Sqrt((x - CenterX) * (x - CenterX) + (y - CenterY) * (y - CenterY));

        double squareRoot3 = Math.Sqrt(3);

        if(distanceFromCenter > OuterRadius)
        {
            return new PickResult { Area = Area.Outside };
        }
        else if(distanceFromCenter > InnerRadius)
        {
            double angle = Math.Atan2(y - CenterY, x - CenterX) + Math.PI / 2;

            if(angle < 0)
            {
                angle += 2 * Math.PI;
            }

            double hue = angle;

            return new PickResult
            {
                Area = Area.Wheel,
                Hue  = hue
            };
        }
        else
        {
            double x1 = (x - CenterX) * 1.0d / InnerRadius;
            double y1 = (y - CenterY) * 1.0d / InnerRadius;

            if(0 * x1 + 2 * y1 > 1)
            {
                return new PickResult { Area = Area.Outside };
            }
            else if(squareRoot3 * x1 + (-1) * y1 > 1)
            {
                return new PickResult { Area = Area.Outside };
            }
            else if(-squareRoot3 * x1 + (-1) * y1 > 1)
            {
                return new PickResult { Area = Area.Outside };
            }
            else
            {
                double saturation = (1 - 2 * y1) / (squareRoot3 * x1 - y1 + 2);

                double value = (squareRoot3 * x1 - y1 + 2) / 3;

                return new PickResult
                {
                    Area       = Area.Triangle,
                    Saturation = saturation,
                    Value      = value
                };
            }
        }
    }

    #endregion

    ////////////////////////////////////////////////////////////////////////////////////////// Private

    #region RGB 색상 구하기 - GetRGBColor(red, green, blue, alpha)

    /// <summary>
    /// RGB 색상 구하기
    /// </summary>
    /// <param name="red">적색</param>
    /// <param name="green">녹색</param>
    /// <param name="blue">청색</param>
    /// <param name="alpha">투명도</param>
    /// <returns>RGB 색상</returns>
    private Color GetRGBColor(double red, double green, double blue, double alpha)
    {
        return Color.FromArgb
        (
            Math.Min(255, (int)(alpha * 256)),
            Math.Min(255, (int)(red   * 256)),
            Math.Min(255, (int)(green * 256)),
            Math.Min(255, (int)(blue  * 256))
        );
    }

    #endregion
    #region HSV 색상 구하기 - GetHSVColor(hue, saturation, value, alpha)

    /// <summary>
    /// HSV 색상 구하기
    /// </summary>
    /// <param name="hue">색상</param>
    /// <param name="saturation">채도</param>
    /// <param name="value">값</param>
    /// <param name="alpha">알파</param>
    /// <returns>색상</returns>
    private Color GetHSVColor(double hue, double saturation, double value, double alpha)
    {
        double chroma = value * saturation;
        double step   = Math.PI / 3;
        double interm = chroma * (1 - Math.Abs((hue / step) % 2.0 - 1));
        double shift  = value - chroma;

        if(hue < 1 * step) return GetRGBColor(shift + chroma, shift + interm, shift + 0     , alpha);
        if(hue < 2 * step) return GetRGBColor(shift + interm, shift + chroma, shift + 0     , alpha);
        if(hue < 3 * step) return GetRGBColor(shift + 0     , shift + chroma, shift + interm, alpha);
        if(hue < 4 * step) return GetRGBColor(shift + 0     , shift + interm, shift + chroma, alpha);
        if(hue < 5 * step) return GetRGBColor(shift + interm, shift + 0     , shift + chroma, alpha);

        return GetRGBColor(shift + chroma, shift + 0, shift + interm, alpha);
    }

    #endregion
}

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using System.Drawing.Imaging;

namespace TestProject;

/// <summary>

/// 색상 선택기

/// </summary>

public class ColorPicker

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Enumeration

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 영역 - Area

/// <summary>

/// 영역

/// </summary>

public enum Area

{

/// <summary>

/// 외부

/// </summary>

Outside,

/// <summary>

/// 휠

/// </summary>

Wheel,

/// <summary>

/// 삼각형

/// </summary>

Triangle

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Structure

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 선택 결과 - PickResult

/// <summary>

/// 선택 결과

/// </summary>

public struct PickResult

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Property

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 영역 - Area

/// <summary>

/// 영역

/// </summary>

public Area Area { get; set; }

#endregion

#region 색상 - Hue

/// <summary>

/// 색상

/// </summary>

public double? Hue { get; set; }

#endregion

#region 채도 - Saturation

/// <summary>

/// 채도

/// </summary>

public double? Saturation { get; set; }

#endregion

#region 값 - Value

/// <summary>

/// 값

/// </summary>

public double? Value { get; set; }

#endregion

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Property

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 크기 - Size

/// <summary>

/// 크기

/// </summary>

public int Size { get; }

#endregion

#region 중앙 X - CenterX

/// <summary>

/// 중앙 X

/// </summary>

public int CenterX => Size / 2;

#endregion

#region 중앙 Y - CenterY

/// <summary>

/// 중앙 Y

/// </summary>

public int CenterY => Size / 2;

#endregion

#region 내부 반경 - InnerRadius

/// <summary>

/// 내부 반경

/// </summary>

public int InnerRadius => Size * 5 / 12;

#endregion

#region 외부 반경 - OuterRadius

/// <summary>

/// 외부 반경

/// </summary>

public int OuterRadius => Size / 2;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - ColorPicker(size)

/// <summary>

/// 생성자

/// </summary>

/// <param name="size">크기</param>

public ColorPicker(int size = 400)

{

Size = size;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 이미지 그리기 - DrawImage(hue, saturation, value)

/// <summary>

/// 이미지 그리기

/// </summary>

/// <param name="hue">색상</param>

/// <param name="saturation">채도</param>

/// <param name="value">값</param>

/// <returns>이미지</returns>

public Image DrawImage(double hue = 0d, double saturation = 1d, double value = 1d)

{

Bitmap bitmap = new Bitmap(Size, Size, PixelFormat.Format32bppArgb);

for(int y = 0; y < Size; y++)

{

for(int x = 0; x < Size; x++)

{

Color color;

PickResult pickResult = Pick(x, y);

if(pickResult.Area == Area.Outside)

{

color = Color.Transparent;

}

else if(pickResult.Area == Area.Wheel)

{

color = GetHSVColor(pickResult.Hue.Value, saturation, value, 1);

}

else

{

color = GetHSVColor(hue, pickResult.Saturation.Value, pickResult.Value.Value, 1);

}

bitmap.SetPixel(x, y, color);

}

return bitmap;

}

#endregion

#region 휠 위치 구하기 - GetWheelPosition(hue)

/// <summary>

/// 휠 위치 구하기

/// </summary>

/// <param name="hue">색상</param>

/// <returns>휠 위치</returns>

public Point2D GetWheelPosition(double hue)

{

double middleRadius = (InnerRadius + OuterRadius) / 2;

return new Point2D

{

X = CenterX + middleRadius * Math.Sin(hue),

Y = CenterY - middleRadius * Math.Cos(hue)

};

}

#endregion

#region 삼각형 위치 구하기 - GetTrianglePosition(saturation, value)

/// <summary>

/// 삼각형 위치 구하기

/// </summary>

/// <param name="saturation">채도</param>

/// <param name="value">값</param>

/// <returns>삼각형 위치</returns>

public Point2D GetTrianglePosition(double saturation, double value)

{

double squareRoot3 = Math.Sqrt(3);

return new Point2D

{

X = CenterX + InnerRadius * (2 * value - saturation * value - 1) * squareRoot3 / 2,

Y = CenterY + InnerRadius * (1 - 3 * saturation * value) / 2

};

}

#endregion

#region 선택하기 - Pick(x, y)

/// <summary>

/// 선택하기

/// </summary>

/// <param name="x">X 좌표</param>

/// <param name="y">Y 좌표</param>

/// <returns>선택 결과</returns>

public PickResult Pick(double x, double y)

{

double distanceFromCenter = Math.Sqrt((x - CenterX) * (x - CenterX) + (y - CenterY) * (y - CenterY));

double squareRoot3 = Math.Sqrt(3);

if(distanceFromCenter > OuterRadius)

{

return new PickResult { Area = Area.Outside };

}

else if(distanceFromCenter > InnerRadius)

{

double angle = Math.Atan2(y - CenterY, x - CenterX) + Math.PI / 2;

if(angle < 0)

{

angle += 2 * Math.PI;

}

double hue = angle;

return new PickResult

{

Area = Area.Wheel,

Hue = hue

};

}

else

{

double x1 = (x - CenterX) * 1.0d / InnerRadius;

double y1 = (y - CenterY) * 1.0d / InnerRadius;

if(0 * x1 + 2 * y1 > 1)

{

return new PickResult { Area = Area.Outside };

}

else if(squareRoot3 * x1 + (-1) * y1 > 1)

{

return new PickResult { Area = Area.Outside };

}

else if(-squareRoot3 * x1 + (-1) * y1 > 1)

{

return new PickResult { Area = Area.Outside };

}

else

{

double saturation = (1 - 2 * y1) / (squareRoot3 * x1 - y1 + 2);

double value = (squareRoot3 * x1 - y1 + 2) / 3;

return new PickResult

{

Area = Area.Triangle,

Saturation = saturation,

Value = value

};

}

#endregion

////////////////////////////////////////////////////////////////////////////////////////// Private

#region RGB 색상 구하기 - GetRGBColor(red, green, blue, alpha)

/// <summary>

/// RGB 색상 구하기

/// </summary>

/// <param name="red">적색</param>

/// <param name="green">녹색</param>

/// <param name="blue">청색</param>

/// <param name="alpha">투명도</param>

/// <returns>RGB 색상</returns>

private Color GetRGBColor(double red, double green, double blue, double alpha)

{

return Color.FromArgb

(

Math.Min(255, (int)(alpha * 256)),

Math.Min(255, (int)(red * 256)),

Math.Min(255, (int)(green * 256)),

Math.Min(255, (int)(blue * 256))

);

}

#endregion

#region HSV 색상 구하기 - GetHSVColor(hue, saturation, value, alpha)

/// <summary>

/// HSV 색상 구하기

/// </summary>

/// <param name="hue">색상</param>

/// <param name="saturation">채도</param>

/// <param name="value">값</param>

/// <param name="alpha">알파</param>

/// <returns>색상</returns>

private Color GetHSVColor(double hue, double saturation, double value, double alpha)

{

double chroma = value * saturation;

double step = Math.PI / 3;

double interm = chroma * (1 - Math.Abs((hue / step) % 2.0 - 1));

double shift = value - chroma;

if(hue < 1 * step) return GetRGBColor(shift + chroma, shift + interm, shift + 0 , alpha);

if(hue < 2 * step) return GetRGBColor(shift + interm, shift + chroma, shift + 0 , alpha);

if(hue < 3 * step) return GetRGBColor(shift + 0 , shift + chroma, shift + interm, alpha);

if(hue < 4 * step) return GetRGBColor(shift + 0 , shift + interm, shift + chroma, alpha);

if(hue < 5 * step) return GetRGBColor(shift + interm, shift + 0 , shift + chroma, alpha);

return GetRGBColor(shift + chroma, shift + 0, shift + interm, alpha);

}

#endregion

}

▶ MainForm.cs


namespace TestProject
{
    /// <summary>
    /// 메인 폼
    /// </summary>
    public partial class MainForm : Form
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainForm()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainForm()
        {
            InitializeComponent();

            double hue        = 3.3d;
            double saturation = 0.4d;
            double value      = 0.9d;

            ColorPicker colorPicker = new ColorPicker(400);

            Image colorPickerImage = colorPicker.DrawImage(hue, saturation, value);

            using(Graphics imageGraphics = Graphics.FromImage(colorPickerImage))
            {
                Pen pen = value < 0.5d ? Pens.White : Pens.Black;

                Point2D wheelPoint = colorPicker.GetWheelPosition(hue);

                imageGraphics.DrawEllipse(pen, (float)wheelPoint.X - 5, (float)wheelPoint.Y - 5, 10, 10);

                Point2D trianglePoint = colorPicker.GetTrianglePosition(saturation, value);

                imageGraphics.DrawEllipse(pen, (float)trianglePoint.X - 5, (float)trianglePoint.Y - 5, 10, 10);
            }

            this.pictureBox.Image = colorPickerImage;
        }

        #endregion
    }
}

namespace TestProject

{

/// <summary>

/// 메인 폼

/// </summary>

public partial class MainForm : Form

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainForm()

/// <summary>

/// 생성자

/// </summary>

public MainForm()

{

InitializeComponent();

double hue = 3.3d;

double saturation = 0.4d;

double value = 0.9d;

ColorPicker colorPicker = new ColorPicker(400);

Image colorPickerImage = colorPicker.DrawImage(hue, saturation, value);

using(Graphics imageGraphics = Graphics.FromImage(colorPickerImage))

{

Pen pen = value < 0.5d ? Pens.White : Pens.Black;

Point2D wheelPoint = colorPicker.GetWheelPosition(hue);

imageGraphics.DrawEllipse(pen, (float)wheelPoint.X - 5, (float)wheelPoint.Y - 5, 10, 10);

Point2D trianglePoint = colorPicker.GetTrianglePosition(saturation, value);

imageGraphics.DrawEllipse(pen, (float)trianglePoint.X - 5, (float)trianglePoint.Y - 5, 10, 10);

}

this.pictureBox.Image = colorPickerImage;

}

#endregion

}

TestProject.zip

[C#/WINFORM/.NET6] TypeConverter 클래스 : ConvertToString/ConvertFromString 메소드를 사용해 폰트 직렬화/역직렬화하기

■ TypeConverter 클래스의 ConvertToString/ConvertFromString 메소드를 사용해 폰트 직렬화/역직렬화하는 방법을 보여준다. ▶ 예제 코드 (C#)


using System.ComponentModel;

Font sourceFont = new Font("나눔고딕코딩", 12f, FontStyle.Bold);

TypeConverter converter = TypeDescriptor.GetConverter(typeof(Font));

string targetString = converter.ConvertToString(sourceFont);

Font targetFont = converter.ConvertFromString(targetString) as Font;

using System.ComponentModel;

Font sourceFont = new Font("나눔고딕코딩", 12f, FontStyle.Bold);

TypeConverter converter = TypeDescriptor.GetConverter(typeof(Font));

string targetString = converter.ConvertToString(sourceFont);

Font targetFont = converter.ConvertFromString(targetString) as Font;

[C#/WINFORM/.NET6] TypeDescriptor 클래스 : GetConverter 정적 메소드를 사용해 폰트 변환자 구하기

■ TypeDescriptor 클래스의 GetConverter 정적 메소드를 사용해 폰트 변환자를 구하는 방법을 보여준다. ▶ 예제 코드 (C#)


using System.ComponentModel;

Font sourceFont = new Font("나눔고딕코딩", 12f, FontStyle.Bold);

TypeConverter converter = TypeDescriptor.GetConverter(typeof(Font));

using System.ComponentModel;

Font sourceFont = new Font("나눔고딕코딩", 12f, FontStyle.Bold);

TypeConverter converter = TypeDescriptor.GetConverter(typeof(Font));

[C#/WINFORM] 탈출 시간 다항식 프랙탈(Escape Time Polynomial Fractal) 그리기

■ 탈출 시간 다항식 프랙탈(Escape Time Polynomial Fractal)을 그리는 방법을 보여준다. ▶ GraphicExtension.cs


using System;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;

namespace TestProject
{
    /// <summary>
    /// 그래픽 확장
    /// </summary>
    public static class GraphicExtension
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Public

        #region 대시 상자 그리기 - DrawDashedBox(graphics, color1, color2, thickness, dashSize, point1, point2)

        /// <summary>
        /// 대시 상자 그리기
        /// </summary>
        /// <param name="graphics">그래픽스</param>
        /// <param name="color1">색상 1</param>
        /// <param name="color2">색상 2</param>
        /// <param name="thickness">두께</param>
        /// <param name="dashSize">대시 크기</param>
        /// <param name="point1">포인트 1</param>
        /// <param name="point2">포인트 2</param>
        public static void DrawDashedBox(this Graphics graphics, Color color1, Color color2, float thickness, float dashSize, Point point1, Point point2)
        {
            Rectangle rectangle = point1.ToRectangle(point2);

            using(Pen pen = new Pen(color1, thickness))
            {
                graphics.DrawRectangle(pen, rectangle);

                pen.DashPattern = new float[] { dashSize, dashSize };
                pen.Color       = color2;

                graphics.DrawRectangle(pen, rectangle);
            }
        }

        #endregion
        #region 사각형 구하기 - ToRectangle(point1, point2)

        /// <summary>
        /// 사각형 구하기
        /// </summary>
        /// <param name="point1">포인트 1</param>
        /// <param name="point2">포인트 2</param>
        /// <returns>사각형</returns>
        public static Rectangle ToRectangle(this Point point1, Point point2)
        {
            int x = Math.Min(point1.X, point2.X);
            int y = Math.Min(point1.Y, point2.Y);

            int width  = Math.Abs(point1.X - point2.X);
            int height = Math.Abs(point1.Y - point2.Y);

            return new Rectangle(x, y, width, height);
        }

        #endregion
        #region 사각형 구하기 - ToRectangle(point1, point2)

        /// <summary>
        /// 사각형 구하기
        /// </summary>
        /// <param name="point1">포인트 1</param>
        /// <param name="point2">포인트 2</param>
        /// <returns>사각형</returns>
        public static RectangleF ToRectangle(this PointF point1, PointF point2)
        {
            float x = Math.Min(point1.X, point2.X);
            float y = Math.Min(point1.Y, point2.Y);

            float width  = Math.Abs(point1.X - point2.X);
            float height = Math.Abs(point1.Y - point2.Y);

            return new RectangleF(x, y, width, height);
        }

        #endregion
        #region 이미지 저장하기 - SaveImage(image, filePath)

        /// <summary>
        /// 이미지 저장하기
        /// </summary>
        /// <param name="image">이미지</param>
        /// <param name="filePath">파일 경로</param>
        public static void SaveImage(this Image image, string filePath)
        {
            string fileExtension = Path.GetExtension(filePath);

            switch(fileExtension.ToLower())
            {
                case ".bmp"  : image.Save(filePath, ImageFormat.Bmp ); break;
                case ".exif" : image.Save(filePath, ImageFormat.Exif); break;
                case ".gif"  : image.Save(filePath, ImageFormat.Gif ); break;
                case ".jpg"  :
                case ".jpeg" : image.Save(filePath, ImageFormat.Jpeg); break;
                case ".png"  : image.Save(filePath, ImageFormat.Png ); break;
                case ".tif"  :
                case ".tiff" : image.Save(filePath, ImageFormat.Tiff); break;
                default      : throw new NotSupportedException($"알 수 없는 파일 확장자 {fileExtension}");
            }
        }

        #endregion
    }
}

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using System;

using System.Drawing;

using System.Drawing.Imaging;

using System.IO;

namespace TestProject

{

/// <summary>

/// 그래픽 확장

/// </summary>

public static class GraphicExtension

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Public

#region 대시 상자 그리기 - DrawDashedBox(graphics, color1, color2, thickness, dashSize, point1, point2)

/// <summary>

/// 대시 상자 그리기

/// </summary>

/// <param name="graphics">그래픽스</param>

/// <param name="color1">색상 1</param>

/// <param name="color2">색상 2</param>

/// <param name="thickness">두께</param>

/// <param name="dashSize">대시 크기</param>

/// <param name="point1">포인트 1</param>

/// <param name="point2">포인트 2</param>

public static void DrawDashedBox(this Graphics graphics, Color color1, Color color2, float thickness, float dashSize, Point point1, Point point2)

{

Rectangle rectangle = point1.ToRectangle(point2);

using(Pen pen = new Pen(color1, thickness))

{

graphics.DrawRectangle(pen, rectangle);

pen.DashPattern = new float[] { dashSize, dashSize };

pen.Color = color2;

graphics.DrawRectangle(pen, rectangle);

}

#endregion

#region 사각형 구하기 - ToRectangle(point1, point2)

/// <summary>

/// 사각형 구하기

/// </summary>

/// <param name="point1">포인트 1</param>

/// <param name="point2">포인트 2</param>

/// <returns>사각형</returns>

public static Rectangle ToRectangle(this Point point1, Point point2)

{

int x = Math.Min(point1.X, point2.X);

int y = Math.Min(point1.Y, point2.Y);

int width = Math.Abs(point1.X - point2.X);

int height = Math.Abs(point1.Y - point2.Y);

return new Rectangle(x, y, width, height);

}

#endregion

#region 사각형 구하기 - ToRectangle(point1, point2)

/// <summary>

/// 사각형 구하기

/// </summary>

/// <param name="point1">포인트 1</param>

/// <param name="point2">포인트 2</param>

/// <returns>사각형</returns>

public static RectangleF ToRectangle(this PointF point1, PointF point2)

{

float x = Math.Min(point1.X, point2.X);

float y = Math.Min(point1.Y, point2.Y);

float width = Math.Abs(point1.X - point2.X);

float height = Math.Abs(point1.Y - point2.Y);

return new RectangleF(x, y, width, height);

}

#endregion

#region 이미지 저장하기 - SaveImage(image, filePath)

/// <summary>

/// 이미지 저장하기

/// </summary>

/// <param name="image">이미지</param>

/// <param name="filePath">파일 경로</param>

public static void SaveImage(this Image image, string filePath)

{

string fileExtension = Path.GetExtension(filePath);

switch(fileExtension.ToLower())

{

case ".bmp" : image.Save(filePath, ImageFormat.Bmp ); break;

case ".exif" : image.Save(filePath, ImageFormat.Exif); break;

case ".gif" : image.Save(filePath, ImageFormat.Gif ); break;

case ".jpg" :

case ".jpeg" : image.Save(filePath, ImageFormat.Jpeg); break;

case ".png" : image.Save(filePath, ImageFormat.Png ); break;

case ".tif" :

case ".tiff" : image.Save(filePath, ImageFormat.Tiff); break;

default : throw new NotSupportedException($"알 수 없는 파일 확장자 {fileExtension}");

}

#endregion

}

▶ BitmapHelper.cs


using System;
using System.Drawing;
using System.Drawing.Imaging;
using System.Runtime.InteropServices;

namespace TestProject
{
    /// <summary>
    /// 비트맵 헬퍼
    /// </summary>
    public class BitmapHelper
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Enumeration
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 워프 연산 - WarpOperation

        /// <summary>
        /// 워프 연산
        /// </summary>
        public enum WarpOperation
        {
            /// <summary>
            /// Identity
            /// </summary>
            Identity,

            /// <summary>
            /// FishEye
            /// </summary>
            FishEye,

            /// <summary>
            /// Twist
            /// </summary>
            Twist,

            /// <summary>
            /// Wave
            /// </summary>
            Wave,

            /// <summary>
            /// SmallTop
            /// </summary>
            SmallTop,

            /// <summary>
            /// Wiggles
            /// </summary>
            Wiggles,

            /// <summary>
            /// DoubleWave
            /// </summary>
            DoubleWave
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Class
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 필터 - Filter

        /// <summary>
        /// 필터
        /// </summary>
        public class Filter
        {
            //////////////////////////////////////////////////////////////////////////////////////////////////// Field
            ////////////////////////////////////////////////////////////////////////////////////////// Public

            #region Field

            /// <summary>
            /// 커널 배열
            /// </summary>
            public float[,] KernelArray;

            /// <summary>
            /// 가중치
            /// </summary>
            public float Weight;

            /// <summary>
            /// 오프셋
            /// </summary>
            public float Offset;

            #endregion

            //////////////////////////////////////////////////////////////////////////////////////////////////// Method
            ////////////////////////////////////////////////////////////////////////////////////////// Public

            #region 정규화하기 - Normalize()

            /// <summary>
            /// 정규화하기
            /// </summary>
            public void Normalize()
            {
                Weight = 0;

                for(int row = 0; row <= KernelArray.GetUpperBound(0); row++)
                {
                    for(int column = 0; column <= KernelArray.GetUpperBound(1); column++)
                    {
                        Weight += KernelArray[row, column];
                    }
                }
            }

            #endregion
            #region 총합이 0이 되는 중앙 커널 상관계수 설정하기 - SetCenterKernelCoefficientForZeroTotal()

            /// <summary>
            /// 총합이 0이 되는 중앙 커널 상관계수 설정하기
            /// </summary>
            public void SetCenterKernelCoefficientForZeroTotal()
            {
                float total = 0;

                int rowCount    = KernelArray.GetUpperBound(0);
                int columnCount = KernelArray.GetUpperBound(1);

                for(int row = 0; row <= rowCount; row++)
                {
                    for(int column = 0; column <= columnCount; column++)
                    {
                        total += KernelArray[row, column];
                    }
                }

                int middleRow    = (int)(KernelArray.GetUpperBound(0) / 2);
                int middleColumn = (int)(KernelArray.GetUpperBound(1) / 2);

                total -= KernelArray[middleRow, middleColumn];

                KernelArray[middleRow, middleColumn] = -total;
            }

            #endregion
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region Field

        /// <summary>
        /// 이미지 바이트 배열
        /// </summary>
        public byte[] ImageByteArray;

        /// <summary>
        /// 행 크기 바이트 카운트
        /// </summary>
        public int RowSizeByteCount;

        /// <summary>
        /// 픽셀 데이터 크기
        /// </summary>
        public const int PixelDataSize = 32;

        /// <summary>
        /// 비트맵
        /// </summary>
        public Bitmap Bitmap;

        #endregion

        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 잠금 여부
        /// </summary>
        private bool isLocked = false;

        /// <summary>
        /// 비트맵 데이터
        /// </summary>
        private BitmapData bitmapData;

        #endregion
        #region 너비 - Width

        /// <summary>
        /// 너비
        /// </summary>
        public int Width
        {
            get
            {
                return Bitmap.Width;
            }
        }

        #endregion
        #region 높이 - Height

        /// <summary>
        /// 높이
        /// </summary>
        public int Height
        {
            get
            {
                return Bitmap.Height;
            }
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Property
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Public

        #region 엠보싱 필터 - EmbossingFilter

        /// <summary>
        /// 엠보싱 필터
        /// </summary>
        public static Filter EmbossingFilter
        {
            get
            {
                return new Filter()
                {
                    Weight      = 1,
                    Offset      = 127,
                    KernelArray = new float[,]
                    {
                        { -1, 0, 0 },
                        {  0, 0, 0 },
                        {  0, 0, 1 }
                    }
                };
            }
        }

        #endregion
        #region 엠보싱 필터 2 - EmbossingFilter2

        /// <summary>
        /// 엠보싱 필터 2
        /// </summary>
        public static Filter EmbossingFilter2
        {
            get
            {
                return new Filter()
                {
                    Weight      = 1,
                    Offset      = 127,
                    KernelArray = new float[,]
                    {
                        { 2,  0,  0 },
                        { 0, -1,  0 },
                        { 0,  0, -1 }
                    }
                };
            }
        }

        #endregion
        #region 5X5 가우시안 블러 필터 - BlurFilter5X5Gaussian

        /// <summary>
        /// 5X5 가우시안 블러 필터
        /// </summary>
        public static Filter BlurFilter5X5Gaussian
        {
            get
            {
                Filter filter = new Filter()
                {
                    Offset      = 0,
                    KernelArray = new float[,]
                    {
                        { 1,  4,  7,  4, 1 },
                        { 4, 16, 26, 16, 4 },
                        { 7, 26, 41, 26, 7 },
                        { 4, 16, 26, 16, 4 },
                        { 1,  4,  7,  4, 1 }
                    }
                };

                filter.Normalize();

                return filter;
            }
        }

        #endregion
        #region 5X5 평균 블러 필터 - BlurFilter5X5Mean

        /// <summary>
        /// 5X5 평균 블러 필터
        /// </summary>
        public static Filter BlurFilter5X5Mean
        {
            get
            {
                Filter filter = new Filter()
                {
                    Offset      = 0,
                    KernelArray = new float[,]
                    {
                        { 1, 1, 1, 1, 1 },
                        { 1, 1, 1, 1, 1 },
                        { 1, 1, 1, 1, 1 },
                        { 1, 1, 1, 1, 1 },
                        { 1, 1, 1, 1, 1 }
                    }
                };

                filter.Normalize();

                return filter;
            }
        }

        #endregion
        #region 좌상단→우하단 모서리 탐지 필터 - EdgeDetectionFilterULtoLR

        /// <summary>
        /// 좌상단→우하단 모서리 탐지 필터
        /// </summary>
        public static Filter EdgeDetectionFilterULtoLR
        {
            get
            {
                return new Filter()
                {
                    Weight      = 1,
                    Offset      = 0,
                    KernelArray = new float[,]
                    {
                        { -5, 0, 0 },
                        {  0, 0, 0 },
                        {  0, 0, 5 }
                    }
                };
            }
        }

        #endregion
        #region 상단→하단 모서리 탐지 필터 - EdgeDetectionFilterTopToBottom

        /// <summary>
        /// 상단→하단 모서리 탐지 필터
        /// </summary>
        public static Filter EdgeDetectionFilterTopToBottom
        {
            get
            {
                return new Filter()
                {
                    Weight      = 1,
                    Offset      = 0,
                    KernelArray = new float[,]
                    {
                        { -1, -1, -1 },
                        {  0,  0,  0 },
                        {  1,  1,  1 }
                    }
                };
            }
        }

        #endregion
        #region 좌측→우측 모서리 탐지 필터 - EdgeDetectionFilterLeftToRight

        /// <summary>
        /// 좌측→우측 모서리 탐지 필터
        /// </summary>
        public static Filter EdgeDetectionFilterLeftToRight
        {
            get
            {
                return new Filter()
                {
                    Weight      = 1,
                    Offset      = 0,
                    KernelArray = new float[,]
                    {
                        { -1, 0, 1 },
                        { -1, 0, 1 },
                        { -1, 0, 1 }
                    }
                };
            }
        }

        #endregion
        #region 3X3 하이 패스 필터 - HighPassFilter3X3

        /// <summary>
        /// 3X3 하이 패스 필터
        /// </summary>
        public static Filter HighPassFilter3X3
        {
            get
            {
                return new Filter()
                {
                    Weight      = 16,
                    Offset      = 127,
                    KernelArray = new float[,]
                    {
                        { -1, -2, -1 },
                        { -2, 12, -2 },
                        { -1, -2, -1 }
                    }
                };
            }
        }

        #endregion
        #region 5X5 하이 패스 필터 - HighPassFilter5X5

        /// <summary>
        /// 5X5 하이 패스 필터
        /// </summary>
        public static Filter HighPassFilter5X5
        {
            get
            {
                Filter filter = new Filter()
                {
                    Offset      = 127,
                    KernelArray = new float[,]
                    {
                        { -1,  -4,  -7,  -4, -1 },
                        { -4, -16, -26, -16, -4 },
                        { -7, -26, -41, -26, -7 },
                        { -4, -16, -26, -16, -4 },
                        { -1,  -4,  -7,  -4, -1 }
                    }
                };

                filter.Normalize();

                filter.Weight = -filter.Weight;

                filter.SetCenterKernelCoefficientForZeroTotal();

                return filter;
            }
        }

        #endregion

        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 잠금 여부 - IsLocked

        /// <summary>
        /// 잠금 여부
        /// </summary>
        public bool IsLocked
        {
            get
            {
                return this.isLocked;
            }
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - BitmapHelper(bitmap)

        /// <summary>
        /// 생성자
        /// </summary>
        /// <param name="bitmap">비트맵</param>
        public BitmapHelper(Bitmap bitmap)
        {
            Bitmap = bitmap;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Private

        #region 픽셀 매핑하기 - MapPixel(warpOperation, middleX, middleY, maximumR, targetX, targetY, sourceX, sourceY)

        /// <summary>
        /// 픽셀 매핑하기
        /// </summary>
        /// <param name="warpOperation">워프 연산</param>
        /// <param name="middleX">중간 X</param>
        /// <param name="middleY">중간 Y</param>
        /// <param name="maximumR">최대 R</param>
        /// <param name="targetX">타겟 X</param>
        /// <param name="targetY">타겟 Y</param>
        /// <param name="sourceX">소스 X</param>
        /// <param name="sourceY">소스 Y</param>
        /// <remarks>출력 픽셀(targetX, targetY)을 다시 입력 픽셀(sourceX, sourceY)에 매핑한다.</remarks>
        private static void MapPixel(WarpOperation warpOperation, double middleX, double middleY, double maximumR, int targetX, int targetY, out double sourceX, out double sourceY)
        {
            const double PI_OVER_2 = Math.PI / 2.0;
            const double K         = 100.0;
            const double OFFSET    = -PI_OVER_2;

            double deltaX;
            double deltaY;
            double r1;
            double r2;

            switch(warpOperation)
            {
                case WarpOperation.Identity :

                    sourceX = targetX;
                    sourceY = targetY;

                    break;

                case WarpOperation.FishEye :

                    deltaX = targetX - middleX;
                    deltaY = targetY - middleY;

                    r1 = Math.Sqrt(deltaX * deltaX + deltaY * deltaY);

                    if(r1 == 0)
                    {
                        sourceX = middleX;
                        sourceY = middleY;
                    }
                    else
                    {
                        r2 = maximumR / 2 * (1 / (1 - r1 / maximumR) - 1);

                        sourceX = deltaX * r2 / r1 + middleX;
                        sourceY = deltaY * r2 / r1 + middleY;
                    }

                    break;

                case WarpOperation.Twist :

                    deltaX = targetX - middleX;
                    deltaY = targetY - middleY;

                    r1 = Math.Sqrt(deltaX * deltaX + deltaY * deltaY);

                    if(r1 == 0)
                    {
                        sourceX = 0;
                        sourceY = 0;
                    }
                    else
                    {
                        double theta = Math.Atan2(deltaX, deltaY) - r1 / K - OFFSET;

                        sourceX = r1 * Math.Cos(theta);
                        sourceY = r1 * Math.Sin(theta);
                    }

                    sourceX += middleX;
                    sourceY += middleY;

                    break;

                case WarpOperation.Wave :

                    sourceX = targetX;
                    sourceY = targetY - 10 * (Math.Sin(targetX / 50.0 * Math.PI) + 1) + 5;

                    break;

                case WarpOperation.SmallTop :

                    deltaX = middleX - targetX;
                    deltaX = deltaX * middleY * 2 / (targetY + 1);

                    sourceX = middleX - deltaX;
                    sourceY = targetY;

                    break;

                case WarpOperation.Wiggles :

                    deltaX = middleX - targetX;
                    deltaX = deltaX * (Math.Sin(targetY / 50.0 * Math.PI) / 2 + 1.5);

                    sourceX = middleX - deltaX;
                    sourceY = targetY;

                    break;

                case WarpOperation.DoubleWave :

                    sourceX = targetX - 10 * (Math.Sin(targetY / 50.0 * Math.PI) + 1) + 5;
                    sourceY = targetY - 10 * (Math.Sin(targetX / 50.0 * Math.PI) + 1) + 5;

                    break;

                default : // 수직/수평 반전

                    sourceX = 2 * middleX - targetX;
                    sourceY = 2 * middleY - targetY;

                    break;
            }
        }

        #endregion
        #region 비트맵 워프하기 - WarpBitmap(sourceHelper, targetHelper, warpOperation)

        /// <summary>
        /// 비트맵 워프하기
        /// </summary>
        /// <param name="sourceHelper">소스 비트맵 헬퍼</param>
        /// <param name="targetHelper">타겟 비트맵 헬퍼</param>
        /// <param name="warpOperation">워프 연산</param>
        private static void WarpBitmap(BitmapHelper sourceHelper, BitmapHelper targetHelper, WarpOperation warpOperation)
        {
            double middleX  = targetHelper.Width  / 2.0;
            double middleY  = targetHelper.Height / 2.0;
            double maximumR = targetHelper.Width  * 0.75;

            int maximumIndexX = sourceHelper.Width  - 2;
            int maximumIndexY = sourceHelper.Height - 2;

            for(int y1 = 0; y1 < targetHelper.Height; y1++)
            {
                for (int x1 = 0; x1 < targetHelper.Width; x1++)
                {
                    MapPixel(warpOperation, middleX, middleY, maximumR, x1, y1, out double x0, out double y0);

                    int indexX0 = (int)x0;
                    int indexY0 = (int)y0;

                    if((indexX0 < 0) || (indexX0 > maximumIndexX) || (indexY0 < 0) || (indexY0 > maximumIndexY))
                    {
                        targetHelper.SetPixel(x1, y1, 255, 255, 255, 255);
                    }
                    else
                    {
                        double deltaX0 = x0 - indexX0;
                        double deltaY0 = y0 - indexY0;
                        double deltaX1 = 1 - deltaX0;
                        double deltaY1 = 1 - deltaY0;

                        sourceHelper.GetPixel(indexX0    , indexY0    , out byte r00, out byte g00, out byte b00, out byte a00);
                        sourceHelper.GetPixel(indexX0    , indexY0 + 1, out byte r01, out byte g01, out byte b01, out byte a01);
                        sourceHelper.GetPixel(indexX0 + 1, indexY0    , out byte r10, out byte g10, out byte b10, out byte a10);
                        sourceHelper.GetPixel(indexX0 + 1, indexY0 + 1, out byte r11, out byte g11, out byte b11, out byte a11);

                        int r = (int)(r00 * deltaX1 * deltaY1 + r01 * deltaX1 * deltaY0 + r10 * deltaX0 * deltaY1 + r11 * deltaX0 * deltaY0);
                        int g = (int)(g00 * deltaX1 * deltaY1 + g01 * deltaX1 * deltaY0 + g10 * deltaX0 * deltaY1 + g11 * deltaX0 * deltaY0);
                        int b = (int)(b00 * deltaX1 * deltaY1 + b01 * deltaX1 * deltaY0 + b10 * deltaX0 * deltaY1 + b11 * deltaX0 * deltaY0);
                        int a = (int)(a00 * deltaX1 * deltaY1 + a01 * deltaX1 * deltaY0 + a10 * deltaX0 * deltaY1 + a11 * deltaX0 * deltaY0);

                        targetHelper.SetPixel(x1, y1, (byte)r, (byte)g, (byte)b, (byte)a);
                    }
                }
            }
        }

        #endregion

        ////////////////////////////////////////////////////////////////////////////////////////// Instance
        //////////////////////////////////////////////////////////////////////////////// Public

        #region 비트맵 잠금 설정하기 - LockBitmap()

        /// <summary>
        /// 비트맵 잠금 설정하기
        /// </summary>
        public void LockBitmap()
        {
            if(IsLocked)
            {
                return;
            }

            Rectangle boundRectangle = new Rectangle
            (
                0,
                0,
                Bitmap.Width,
                Bitmap.Height
            );

            this.bitmapData = Bitmap.LockBits
            (
                boundRectangle,
                ImageLockMode.ReadWrite,
                PixelFormat.Format32bppArgb
            );

            RowSizeByteCount = this.bitmapData.Stride;

            int totalSize = this.bitmapData.Stride * this.bitmapData.Height;

            ImageByteArray = new byte[totalSize];

            Marshal.Copy(this.bitmapData.Scan0, ImageByteArray, 0, totalSize);

            this.isLocked = true;
        }

        #endregion
        #region 비트맵 잠금 해제하기 - UnlockBitmap()

        /// <summary>
        /// 비트맵 잠금 해제하기
        /// </summary>
        public void UnlockBitmap()
        {
            if(!IsLocked)
            {
                return;
            }

            int totalSize = this.bitmapData.Stride * this.bitmapData.Height;

            Marshal.Copy(ImageByteArray, 0, this.bitmapData.Scan0, totalSize);

            Bitmap.UnlockBits(this.bitmapData);

            ImageByteArray = null;

            this.bitmapData = null;

            this.isLocked = false;
        }

        #endregion

        #region 픽셀 설정하기 - SetPixel(x, y, red, green, blue, alpha)

        /// <summary>
        /// 픽셀 설정하기
        /// </summary>
        /// <param name="x">X</param>
        /// <param name="y">Y</param>
        /// <param name="red">적색 채널</param>
        /// <param name="green">녹색 채널</param>
        /// <param name="blue">청색 채널</param>
        /// <param name="alpha">알파 채널</param>
        public void SetPixel(int x, int y, byte red, byte green, byte blue, byte alpha)
        {
            int i = y * this.bitmapData.Stride + x * 4;

            ImageByteArray[i++] = blue;
            ImageByteArray[i++] = green;
            ImageByteArray[i++] = red;
            ImageByteArray[i  ] = alpha;
        }

        #endregion
        #region 픽셀 구하기 - GetPixel(x, y, red, green, blue, alpha)

        /// <summary>
        /// 픽셀 구하기
        /// </summary>
        /// <param name="x">X</param>
        /// <param name="y">Y</param>
        /// <param name="red">적색 채널</param>
        /// <param name="green">녹색 채널</param>
        /// <param name="blue">청색 채널</param>
        /// <param name="alpha">알파 채널</param>
        public void GetPixel(int x, int y, out byte red, out byte green, out byte blue, out byte alpha)
        {
            int i = y * this.bitmapData.Stride + x * 4;

            blue  = ImageByteArray[i++];
            green = ImageByteArray[i++];
            red   = ImageByteArray[i++];
            alpha = ImageByteArray[i  ];
        }

        #endregion

        #region 알파 채널 설정하기 - SetAlpha(x, y, alpha)

        /// <summary>
        /// 알파 채널 설정하기
        /// </summary>
        /// <param name="x">X</param>
        /// <param name="y">Y</param>
        /// <param name="alpha">알파 채널</param>
        public void SetAlpha(int x, int y, byte alpha)
        {
            int i = y * this.bitmapData.Stride + x * 4;

            ImageByteArray[i + 3] = alpha;
        }

        #endregion
        #region 알파 채널 구하기 - GetAlpha(x, y)

        /// <summary>
        /// 알파 채널 구하기
        /// </summary>
        /// <param name="x">X</param>
        /// <param name="y">Y</param>
        /// <returns>알파 채널</returns>
        public byte GetAlpha(int x, int y)
        {
            int i = y * this.bitmapData.Stride + x * 4;

            return ImageByteArray[i + 3];
        }

        #endregion
        #region 녹색 채널 설정하기 - SetGreen(x, y, green)

        /// <summary>
        /// 녹색 채널 설정하기
        /// </summary>
        /// <param name="x">X</param>
        /// <param name="y">Y</param>
        /// <param name="green">녹색 채널</param>
        public void SetGreen(int x, int y, byte green)
        {
            int i = y * this.bitmapData.Stride + x * 4;

            ImageByteArray[i + 1] = green;
        }

        #endregion
        #region 녹색 채널 구하기 - GetGreen(x, y)

        /// <summary>
        /// 녹색 채널 구하기
        /// </summary>
        /// <param name="x">X</param>
        /// <param name="y">Y</param>
        /// <returns>녹색 채널</returns>
        public byte GetGreen(int x, int y)
        {
            int i = y * this.bitmapData.Stride + x * 4;

            return ImageByteArray[i + 1];
        }

        #endregion
        #region 청색 채널 설정하기 - SetBlue(x, y, blue)

        /// <summary>
        /// 청색 채널 설정하기
        /// </summary>
        /// <param name="x">X</param>
        /// <param name="y">Y</param>
        /// <param name="blue">청색 채널</param>
        public void SetBlue(int x, int y, byte blue)
        {
            int i = y * this.bitmapData.Stride + x * 4;

            ImageByteArray[i] = blue;
        }

        #endregion
        #region 청색 채널 구하기 - GetBlue(x, y)

        /// <summary>
        /// 청색 채널 구하기
        /// </summary>
        /// <param name="x">X</param>
        /// <param name="y">Y</param>
        /// <returns>청색 채널</returns>
        public byte GetBlue(int x, int y)
        {
            int i = y * this.bitmapData.Stride + x * 4;

            return ImageByteArray[i];
        }

        #endregion
        #region  적색 채널 설정하기- SetRed(x, y, red)

        /// <summary>
        /// 적색 채널 설정하기
        /// </summary>
        /// <param name="x">X</param>
        /// <param name="y">Y</param>
        /// <param name="red">적색 채널</param>
        public void SetRed(int x, int y, byte red)
        {
            int i = y * this.bitmapData.Stride + x * 4;

            ImageByteArray[i + 2] = red;
        }

        #endregion
        #region 적색 채널 구하기 - GetRed(x, y)

        /// <summary>
        /// 적색 채널 구하기
        /// </summary>
        /// <param name="x">X</param>
        /// <param name="y">Y</param>
        /// <returns>적색 채널</returns>
        public byte GetRed(int x, int y)
        {
            int i = y * this.bitmapData.Stride + x * 4;

            return ImageByteArray[i + 2];
        }

        #endregion

        #region 적색 채널 지우기 - ClearRed()

        /// <summary>
        /// 적색 채널 지우기
        /// </summary>
        public void ClearRed()
        {
            bool wasLocked = IsLocked;

            LockBitmap();

            for(int y = 0; y < Height; y++)
            {
                for(int x = 0; x < Width; x++)
                {
                    SetRed(x, y, 0);
                }
            }

            if(!wasLocked)
            {
                UnlockBitmap();
            }
        }

        #endregion
        #region 녹색 채널 지우기 - ClearGreen()

        /// <summary>
        /// 녹색 채널 지우기
        /// </summary>
        public void ClearGreen()
        {
            bool wasLocked = IsLocked;

            LockBitmap();

            for(int y = 0; y < Height; y++)
            {
                for(int x = 0; x < Width; x++)
                {
                    SetGreen(x, y, 0);
                }
            }

            if(!wasLocked)
            {
                UnlockBitmap();
            }
        }

        #endregion
        #region 청색 채널 지우기 - ClearBlue()

        /// <summary>
        /// 청색 채널 지우기
        /// </summary>
        public void ClearBlue()
        {
            bool wasLocked = IsLocked;

            LockBitmap();

            for(int y = 0; y < Height; y++)
            {
                for(int x = 0; x < Width; x++)
                {
                    SetBlue(x, y, 0);
                }
            }

            if(!wasLocked)
            {
                UnlockBitmap();
            }
        }

        #endregion

        #region 채널 평균 값으로 회색조 비트맵으로 변환하기 - ConvertToAverageGrayscaleBitmap()

        /// <summary>
        /// 채널 평균 값으로 회색조 비트맵으로 변환하기
        /// </summary>
        public void ConvertToAverageGrayscaleBitmap()
        {
            bool wasLocked = IsLocked;

            LockBitmap();

            for(int y = 0; y < Height; y++)
            {
                for(int x = 0; x < Width; x++)
                {
                    GetPixel(x, y, out byte red, out byte green, out byte blue, out byte alpha);

                    byte gray = (byte)((red + green + blue) / 3);

                    SetPixel(x, y, gray, gray, gray, alpha);
                }
            }

            if(!wasLocked)
            {
                UnlockBitmap();
            }
        }

        #endregion
        #region 회색조 비트맵으로 변환하기 - ConvertToGrayscaleBitmap()

        /// <summary>
        /// 회색조 비트맵으로 변환하기
        /// </summary>
        public void ConvertToGrayscaleBitmap()
        {
            bool wasLocked = IsLocked;

            LockBitmap();

            for(int y = 0; y < Height; y++)
            {
                for(int x = 0; x < Width; x++)
                {
                    GetPixel(x, y, out byte red, out byte green, out byte blue, out byte alpha);

                    byte gray = (byte)(0.3 * red + 0.5 * green + 0.2 * blue);

                    SetPixel(x, y, gray, gray, gray, alpha);
                }
            }

            if(!wasLocked)
            {
                UnlockBitmap();
            }
        }

        #endregion
        #region 비트맵 반전하기 - InvertBitmap()

        /// <summary>
        /// 비트맵 반전하기
        /// </summary>
        public void InvertBitmap()
        {
            bool wasLocked = IsLocked;

            LockBitmap();

            for(int y = 0; y < Height; y++)
            {
                for(int x = 0; x < Width; x++)
                {
                    byte red   = (byte)(255 - GetRed  (x, y));
                    byte green = (byte)(255 - GetGreen(x, y));
                    byte blue  = (byte)(255 - GetBlue (x, y));
                    byte alpha = GetAlpha(x, y);

                    SetPixel(x, y, red, green, blue, alpha);
                }
            }

            if(!wasLocked)
            {
                UnlockBitmap();
            }
        }

        #endregion

        #region 복제하기 - Clone()

        /// <summary>
        /// 복제하기
        /// </summary>
        /// <returns>비트맵 헬퍼</returns>
        public BitmapHelper Clone()
        {
            bool wasLocked = this.IsLocked;

            LockBitmap();

            BitmapHelper bitmapHelper = MemberwiseClone() as BitmapHelper;

            bitmapHelper.Bitmap = new Bitmap(Bitmap.Width, Bitmap.Height);

            bitmapHelper.isLocked = false;

            if(!wasLocked)
            {
                UnlockBitmap();
            }

            return bitmapHelper;
        }

        #endregion
        #region 필터 적용하기 - ApplyFilter(filter, targetLocked)

        /// <summary>
        /// 필터 적용하기
        /// </summary>
        /// <param name="filter">필터</param>
        /// <param name="targetLocked">타겟 잠금 여부</param>
        /// <returns>비트맵 헬퍼</returns>
        public BitmapHelper ApplyFilter(Filter filter, bool targetLocked)
        {
            BitmapHelper targetHelper = Clone();

            bool wasLocked = IsLocked;

            LockBitmap();

            targetHelper.LockBitmap();

            int offsetX = -(int)(filter.KernelArray.GetUpperBound(1) / 2);
            int offsetY = -(int)(filter.KernelArray.GetUpperBound(0) / 2);

            int minimumX = -offsetX;
            int maximumX = Bitmap.Width - filter.KernelArray.GetUpperBound(1);

            int minimumY = -offsetY;
            int maximumY = Bitmap.Height - filter.KernelArray.GetUpperBound(0);

            int maximumRow    = filter.KernelArray.GetUpperBound(0);
            int maximumColumn = filter.KernelArray.GetUpperBound(1);

            for(int x = minimumX; x <= maximumX; x++)
            {
                for(int y = minimumY; y <= maximumY; y++)
                {
                    bool skipPixel = false;

                    float red   = 0;
                    float green = 0;
                    float blue  = 0;

                    for(int row = 0; row <= maximumRow; row++)
                    {
                        for(int column = 0; column <= maximumColumn; column++)
                        {
                            int indexX = x + column + offsetX;
                            int indexY = y + row    + offsetY;

                            GetPixel(indexX, indexY, out byte newRed, out byte newGreen, out byte newBlue, out byte newAlpha);

                            if(newAlpha == 0)
                            {
                                skipPixel = true;

                                break;
                            }

                            red   += newRed   * filter.KernelArray[row, column];
                            green += newGreen * filter.KernelArray[row, column];
                            blue  += newBlue  * filter.KernelArray[row, column];
                        }

                        if(skipPixel)
                        {
                            break;
                        }
                    }

                    if(!skipPixel)
                    {
                        red = filter.Offset + red / filter.Weight;

                        if(red < 0)
                        {
                            red = 0;
                        }

                        if(red > 255)
                        {
                            red = 255;
                        }

                        green = filter.Offset + green / filter.Weight;

                        if(green < 0)
                        {
                            green = 0;
                        }

                        if(green > 255)
                        {
                            green = 255;
                        }

                        blue = filter.Offset + blue / filter.Weight;

                        if(blue < 0)
                        {
                            blue = 0;
                        }

                        if(blue > 255)
                        {
                            blue = 255;
                        }

                        targetHelper.SetPixel(x, y, (byte)red, (byte)green, (byte)blue, GetAlpha(x, y));
                    }
                }
            }

            if(!targetLocked)
            {
                targetHelper.UnlockBitmap();
            }

            if(!wasLocked)
            {
                UnlockBitmap();
            }

            return targetHelper;
        }

        #endregion

        #region 워프하기 - Warp(warpOperation, targetLocked)

        /// <summary>
        /// 워프하기
        /// </summary>
        /// <param name="warpOperation">워프 연산</param>
        /// <param name="targetLocked">타겟 잠금 여부</param>
        /// <returns>비트맵 헬퍼</returns>
        public BitmapHelper Warp(WarpOperation warpOperation, bool targetLocked)
        {
            BitmapHelper targetHelper = Clone();

            bool wasLocked = IsLocked;

            LockBitmap();

            targetHelper.LockBitmap();

            WarpBitmap(this, targetHelper, warpOperation);

            if(!targetLocked)
            {
                targetHelper.UnlockBitmap();
            }

            if(!wasLocked)
            {
                UnlockBitmap();
            }

            return targetHelper;
        }

        #endregion
    }
}

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using System;

using System.Drawing;

using System.Drawing.Imaging;

using System.Runtime.InteropServices;

namespace TestProject

{

/// <summary>

/// 비트맵 헬퍼

/// </summary>

public class BitmapHelper

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Enumeration

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 워프 연산 - WarpOperation

/// <summary>

/// 워프 연산

/// </summary>

public enum WarpOperation

{

/// <summary>

/// Identity

/// </summary>

Identity,

/// <summary>

/// FishEye

/// </summary>

FishEye,

/// <summary>

/// Twist

/// </summary>

Twist,

/// <summary>

/// Wave

/// </summary>

Wave,

/// <summary>

/// SmallTop

/// </summary>

SmallTop,

/// <summary>

/// Wiggles

/// </summary>

Wiggles,

/// <summary>

/// DoubleWave

/// </summary>

DoubleWave

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Class

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 필터 - Filter

/// <summary>

/// 필터

/// </summary>

public class Filter

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Public

#region Field

/// <summary>

/// 커널 배열

/// </summary>

public float[,] KernelArray;

/// <summary>

/// 가중치

/// </summary>

public float Weight;

/// <summary>

/// 오프셋

/// </summary>

public float Offset;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 정규화하기 - Normalize()

/// <summary>

/// 정규화하기

/// </summary>

public void Normalize()

{

Weight = 0;

for(int row = 0; row <= KernelArray.GetUpperBound(0); row++)

{

for(int column = 0; column <= KernelArray.GetUpperBound(1); column++)

{

Weight += KernelArray[row, column];

}

#endregion

#region 총합이 0이 되는 중앙 커널 상관계수 설정하기 - SetCenterKernelCoefficientForZeroTotal()

/// <summary>

/// 총합이 0이 되는 중앙 커널 상관계수 설정하기

/// </summary>

public void SetCenterKernelCoefficientForZeroTotal()

{

float total = 0;

int rowCount = KernelArray.GetUpperBound(0);

int columnCount = KernelArray.GetUpperBound(1);

for(int row = 0; row <= rowCount; row++)

{

for(int column = 0; column <= columnCount; column++)

{

total += KernelArray[row, column];

}

int middleRow = (int)(KernelArray.GetUpperBound(0) / 2);

int middleColumn = (int)(KernelArray.GetUpperBound(1) / 2);

total -= KernelArray[middleRow, middleColumn];

KernelArray[middleRow, middleColumn] = -total;

}

#endregion

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Public

#region Field

/// <summary>

/// 이미지 바이트 배열

/// </summary>

public byte[] ImageByteArray;

/// <summary>

/// 행 크기 바이트 카운트

/// </summary>

public int RowSizeByteCount;

/// <summary>

/// 픽셀 데이터 크기

/// </summary>

public const int PixelDataSize = 32;

/// <summary>

/// 비트맵

/// </summary>

public Bitmap Bitmap;

#endregion

////////////////////////////////////////////////////////////////////////////////////////// Private

#region Field

/// <summary>

/// 잠금 여부

/// </summary>

private bool isLocked = false;

/// <summary>

/// 비트맵 데이터

/// </summary>

private BitmapData bitmapData;

#endregion

#region 너비 - Width

/// <summary>

/// 너비

/// </summary>

public int Width

{

get

{

return Bitmap.Width;

}

#endregion

#region 높이 - Height

/// <summary>

/// 높이

/// </summary>

public int Height

{

get

{

return Bitmap.Height;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Property

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Public

#region 엠보싱 필터 - EmbossingFilter

/// <summary>

/// 엠보싱 필터

/// </summary>

public static Filter EmbossingFilter

{

get

{

return new Filter()

{

Weight = 1,

Offset = 127,

KernelArray = new float[,]

{

{ -1, 0, 0 },

{ 0, 0, 0 },

{ 0, 0, 1 }

}

};

}

#endregion

#region 엠보싱 필터 2 - EmbossingFilter2

/// <summary>

/// 엠보싱 필터 2

/// </summary>

public static Filter EmbossingFilter2

{

get

{

return new Filter()

{

Weight = 1,

Offset = 127,

KernelArray = new float[,]

{

{ 2, 0, 0 },

{ 0, -1, 0 },

{ 0, 0, -1 }

}

};

}

#endregion

#region 5X5 가우시안 블러 필터 - BlurFilter5X5Gaussian

/// <summary>

/// 5X5 가우시안 블러 필터

/// </summary>

public static Filter BlurFilter5X5Gaussian

{

get

{

Filter filter = new Filter()

{

Offset = 0,

KernelArray = new float[,]

{

{ 1, 4, 7, 4, 1 },

{ 4, 16, 26, 16, 4 },

{ 7, 26, 41, 26, 7 },

{ 4, 16, 26, 16, 4 },

{ 1, 4, 7, 4, 1 }

}

};

filter.Normalize();

return filter;

}

#endregion

#region 5X5 평균 블러 필터 - BlurFilter5X5Mean

/// <summary>

/// 5X5 평균 블러 필터

/// </summary>

public static Filter BlurFilter5X5Mean

{

get

{

Filter filter = new Filter()

{

Offset = 0,

KernelArray = new float[,]

{

{ 1, 1, 1, 1, 1 },

{ 1, 1, 1, 1, 1 }

}

};

filter.Normalize();

return filter;

}

#endregion

#region 좌상단→우하단 모서리 탐지 필터 - EdgeDetectionFilterULtoLR

/// <summary>

/// 좌상단→우하단 모서리 탐지 필터

/// </summary>

public static Filter EdgeDetectionFilterULtoLR

{

get

{

return new Filter()

{

Weight = 1,

Offset = 0,

KernelArray = new float[,]

{

{ -5, 0, 0 },

{ 0, 0, 0 },

{ 0, 0, 5 }

}

};

}

#endregion

#region 상단→하단 모서리 탐지 필터 - EdgeDetectionFilterTopToBottom

/// <summary>

/// 상단→하단 모서리 탐지 필터

/// </summary>

public static Filter EdgeDetectionFilterTopToBottom

{

get

{

return new Filter()

{

Weight = 1,

Offset = 0,

KernelArray = new float[,]

{

{ -1, -1, -1 },

{ 0, 0, 0 },

{ 1, 1, 1 }

}

};

}

#endregion

#region 좌측→우측 모서리 탐지 필터 - EdgeDetectionFilterLeftToRight

/// <summary>

/// 좌측→우측 모서리 탐지 필터

/// </summary>

public static Filter EdgeDetectionFilterLeftToRight

{

get

{

return new Filter()

{

Weight = 1,

Offset = 0,

KernelArray = new float[,]

{

{ -1, 0, 1 },

{ -1, 0, 1 }

}

};

}

#endregion

#region 3X3 하이 패스 필터 - HighPassFilter3X3

/// <summary>

/// 3X3 하이 패스 필터

/// </summary>

public static Filter HighPassFilter3X3

{

get

{

return new Filter()

{

Weight = 16,

Offset = 127,

KernelArray = new float[,]

{

{ -1, -2, -1 },

{ -2, 12, -2 },

{ -1, -2, -1 }

}

};

}

#endregion

#region 5X5 하이 패스 필터 - HighPassFilter5X5

/// <summary>

/// 5X5 하이 패스 필터

/// </summary>

public static Filter HighPassFilter5X5

{

get

{

Filter filter = new Filter()

{

Offset = 127,

KernelArray = new float[,]

{

{ -1, -4, -7, -4, -1 },

{ -4, -16, -26, -16, -4 },

{ -7, -26, -41, -26, -7 },

{ -4, -16, -26, -16, -4 },

{ -1, -4, -7, -4, -1 }

}

};

filter.Normalize();

filter.Weight = -filter.Weight;

filter.SetCenterKernelCoefficientForZeroTotal();

return filter;

}

#endregion

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 잠금 여부 - IsLocked

/// <summary>

/// 잠금 여부

/// </summary>

public bool IsLocked

{

get

{

return this.isLocked;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - BitmapHelper(bitmap)

/// <summary>

/// 생성자

/// </summary>

/// <param name="bitmap">비트맵</param>

public BitmapHelper(Bitmap bitmap)

{

Bitmap = bitmap;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Private

#region 픽셀 매핑하기 - MapPixel(warpOperation, middleX, middleY, maximumR, targetX, targetY, sourceX, sourceY)

/// <summary>

/// 픽셀 매핑하기

/// </summary>

/// <param name="warpOperation">워프 연산</param>

/// <param name="middleX">중간 X</param>

/// <param name="middleY">중간 Y</param>

/// <param name="maximumR">최대 R</param>

/// <param name="targetX">타겟 X</param>

/// <param name="targetY">타겟 Y</param>

/// <param name="sourceX">소스 X</param>

/// <param name="sourceY">소스 Y</param>

/// <remarks>출력 픽셀(targetX, targetY)을 다시 입력 픽셀(sourceX, sourceY)에 매핑한다.</remarks>

private static void MapPixel(WarpOperation warpOperation, double middleX, double middleY, double maximumR, int targetX, int targetY, out double sourceX, out double sourceY)

{

const double PI_OVER_2 = Math.PI / 2.0;

const double K = 100.0;

const double OFFSET = -PI_OVER_2;

double deltaX;

double deltaY;

double r1;

double r2;

switch(warpOperation)

{

case WarpOperation.Identity :

sourceX = targetX;

sourceY = targetY;

break;

case WarpOperation.FishEye :

deltaX = targetX - middleX;

deltaY = targetY - middleY;

r1 = Math.Sqrt(deltaX * deltaX + deltaY * deltaY);

if(r1 == 0)

{

sourceX = middleX;

sourceY = middleY;

}

else

{

r2 = maximumR / 2 * (1 / (1 - r1 / maximumR) - 1);

sourceX = deltaX * r2 / r1 + middleX;

sourceY = deltaY * r2 / r1 + middleY;

}

break;

case WarpOperation.Twist :

deltaX = targetX - middleX;

deltaY = targetY - middleY;

r1 = Math.Sqrt(deltaX * deltaX + deltaY * deltaY);

if(r1 == 0)

{

sourceX = 0;

sourceY = 0;

}

else

{

double theta = Math.Atan2(deltaX, deltaY) - r1 / K - OFFSET;

sourceX = r1 * Math.Cos(theta);

sourceY = r1 * Math.Sin(theta);

}

sourceX += middleX;

sourceY += middleY;

break;

case WarpOperation.Wave :

sourceX = targetX;

sourceY = targetY - 10 * (Math.Sin(targetX / 50.0 * Math.PI) + 1) + 5;

break;

case WarpOperation.SmallTop :

deltaX = middleX - targetX;

deltaX = deltaX * middleY * 2 / (targetY + 1);

sourceX = middleX - deltaX;

sourceY = targetY;

break;

case WarpOperation.Wiggles :

deltaX = middleX - targetX;

deltaX = deltaX * (Math.Sin(targetY / 50.0 * Math.PI) / 2 + 1.5);

sourceX = middleX - deltaX;

sourceY = targetY;

break;

case WarpOperation.DoubleWave :

sourceX = targetX - 10 * (Math.Sin(targetY / 50.0 * Math.PI) + 1) + 5;

sourceY = targetY - 10 * (Math.Sin(targetX / 50.0 * Math.PI) + 1) + 5;

break;

default : // 수직/수평 반전

sourceX = 2 * middleX - targetX;

sourceY = 2 * middleY - targetY;

break;

}

#endregion

#region 비트맵 워프하기 - WarpBitmap(sourceHelper, targetHelper, warpOperation)

/// <summary>

/// 비트맵 워프하기

/// </summary>

/// <param name="sourceHelper">소스 비트맵 헬퍼</param>

/// <param name="targetHelper">타겟 비트맵 헬퍼</param>

/// <param name="warpOperation">워프 연산</param>

private static void WarpBitmap(BitmapHelper sourceHelper, BitmapHelper targetHelper, WarpOperation warpOperation)

{

double middleX = targetHelper.Width / 2.0;

double middleY = targetHelper.Height / 2.0;

double maximumR = targetHelper.Width * 0.75;

int maximumIndexX = sourceHelper.Width - 2;

int maximumIndexY = sourceHelper.Height - 2;

for(int y1 = 0; y1 < targetHelper.Height; y1++)

{

for (int x1 = 0; x1 < targetHelper.Width; x1++)

{

MapPixel(warpOperation, middleX, middleY, maximumR, x1, y1, out double x0, out double y0);

int indexX0 = (int)x0;

int indexY0 = (int)y0;

if((indexX0 < 0) || (indexX0 > maximumIndexX) || (indexY0 < 0) || (indexY0 > maximumIndexY))

{

targetHelper.SetPixel(x1, y1, 255, 255, 255, 255);

}

else

{

double deltaX0 = x0 - indexX0;

double deltaY0 = y0 - indexY0;

double deltaX1 = 1 - deltaX0;

double deltaY1 = 1 - deltaY0;

sourceHelper.GetPixel(indexX0 , indexY0 , out byte r00, out byte g00, out byte b00, out byte a00);

sourceHelper.GetPixel(indexX0 , indexY0 + 1, out byte r01, out byte g01, out byte b01, out byte a01);

sourceHelper.GetPixel(indexX0 + 1, indexY0 , out byte r10, out byte g10, out byte b10, out byte a10);

sourceHelper.GetPixel(indexX0 + 1, indexY0 + 1, out byte r11, out byte g11, out byte b11, out byte a11);

int r = (int)(r00 * deltaX1 * deltaY1 + r01 * deltaX1 * deltaY0 + r10 * deltaX0 * deltaY1 + r11 * deltaX0 * deltaY0);

int g = (int)(g00 * deltaX1 * deltaY1 + g01 * deltaX1 * deltaY0 + g10 * deltaX0 * deltaY1 + g11 * deltaX0 * deltaY0);

int b = (int)(b00 * deltaX1 * deltaY1 + b01 * deltaX1 * deltaY0 + b10 * deltaX0 * deltaY1 + b11 * deltaX0 * deltaY0);

int a = (int)(a00 * deltaX1 * deltaY1 + a01 * deltaX1 * deltaY0 + a10 * deltaX0 * deltaY1 + a11 * deltaX0 * deltaY0);

targetHelper.SetPixel(x1, y1, (byte)r, (byte)g, (byte)b, (byte)a);

}

#endregion

////////////////////////////////////////////////////////////////////////////////////////// Instance

//////////////////////////////////////////////////////////////////////////////// Public

#region 비트맵 잠금 설정하기 - LockBitmap()

/// <summary>

/// 비트맵 잠금 설정하기

/// </summary>

public void LockBitmap()

{

if(IsLocked)

{

return;

}

Rectangle boundRectangle = new Rectangle

(

Bitmap.Width,

Bitmap.Height

);

this.bitmapData = Bitmap.LockBits

(

boundRectangle,

ImageLockMode.ReadWrite,

PixelFormat.Format32bppArgb

);

RowSizeByteCount = this.bitmapData.Stride;

int totalSize = this.bitmapData.Stride * this.bitmapData.Height;

ImageByteArray = new byte[totalSize];

Marshal.Copy(this.bitmapData.Scan0, ImageByteArray, 0, totalSize);

this.isLocked = true;

}

#endregion

#region 비트맵 잠금 해제하기 - UnlockBitmap()

/// <summary>

/// 비트맵 잠금 해제하기

/// </summary>

public void UnlockBitmap()

{

if(!IsLocked)

{

return;

}

int totalSize = this.bitmapData.Stride * this.bitmapData.Height;

Marshal.Copy(ImageByteArray, 0, this.bitmapData.Scan0, totalSize);

Bitmap.UnlockBits(this.bitmapData);

ImageByteArray = null;

this.bitmapData = null;

this.isLocked = false;

}

#endregion

#region 픽셀 설정하기 - SetPixel(x, y, red, green, blue, alpha)

/// <summary>

/// 픽셀 설정하기

/// </summary>

/// <param name="x">X</param>

/// <param name="y">Y</param>

/// <param name="red">적색 채널</param>

/// <param name="green">녹색 채널</param>

/// <param name="blue">청색 채널</param>

/// <param name="alpha">알파 채널</param>

public void SetPixel(int x, int y, byte red, byte green, byte blue, byte alpha)

{

int i = y * this.bitmapData.Stride + x * 4;

ImageByteArray[i++] = blue;

ImageByteArray[i++] = green;

ImageByteArray[i++] = red;

ImageByteArray[i ] = alpha;

}

#endregion

#region 픽셀 구하기 - GetPixel(x, y, red, green, blue, alpha)

/// <summary>

/// 픽셀 구하기

/// </summary>

/// <param name="x">X</param>

/// <param name="y">Y</param>

/// <param name="red">적색 채널</param>

/// <param name="green">녹색 채널</param>

/// <param name="blue">청색 채널</param>

/// <param name="alpha">알파 채널</param>

public void GetPixel(int x, int y, out byte red, out byte green, out byte blue, out byte alpha)

{

int i = y * this.bitmapData.Stride + x * 4;

blue = ImageByteArray[i++];

green = ImageByteArray[i++];

red = ImageByteArray[i++];

alpha = ImageByteArray[i ];

}

#endregion

#region 알파 채널 설정하기 - SetAlpha(x, y, alpha)

/// <summary>

/// 알파 채널 설정하기

/// </summary>

/// <param name="x">X</param>

/// <param name="y">Y</param>

/// <param name="alpha">알파 채널</param>

public void SetAlpha(int x, int y, byte alpha)

{

int i = y * this.bitmapData.Stride + x * 4;

ImageByteArray[i + 3] = alpha;

}

#endregion

#region 알파 채널 구하기 - GetAlpha(x, y)

/// <summary>

/// 알파 채널 구하기

/// </summary>

/// <param name="x">X</param>

/// <param name="y">Y</param>

/// <returns>알파 채널</returns>

public byte GetAlpha(int x, int y)

{

int i = y * this.bitmapData.Stride + x * 4;

return ImageByteArray[i + 3];

}

#endregion

#region 녹색 채널 설정하기 - SetGreen(x, y, green)

/// <summary>

/// 녹색 채널 설정하기

/// </summary>

/// <param name="x">X</param>

/// <param name="y">Y</param>

/// <param name="green">녹색 채널</param>

public void SetGreen(int x, int y, byte green)

{

int i = y * this.bitmapData.Stride + x * 4;

ImageByteArray[i + 1] = green;

}

#endregion

#region 녹색 채널 구하기 - GetGreen(x, y)

/// <summary>

/// 녹색 채널 구하기

/// </summary>

/// <param name="x">X</param>

/// <param name="y">Y</param>

/// <returns>녹색 채널</returns>

public byte GetGreen(int x, int y)

{

int i = y * this.bitmapData.Stride + x * 4;

return ImageByteArray[i + 1];

}

#endregion

#region 청색 채널 설정하기 - SetBlue(x, y, blue)

/// <summary>

/// 청색 채널 설정하기

/// </summary>

/// <param name="x">X</param>

/// <param name="y">Y</param>

/// <param name="blue">청색 채널</param>

public void SetBlue(int x, int y, byte blue)

{

int i = y * this.bitmapData.Stride + x * 4;

ImageByteArray[i] = blue;

}

#endregion

#region 청색 채널 구하기 - GetBlue(x, y)

/// <summary>

/// 청색 채널 구하기

/// </summary>

/// <param name="x">X</param>

/// <param name="y">Y</param>

/// <returns>청색 채널</returns>

public byte GetBlue(int x, int y)

{

int i = y * this.bitmapData.Stride + x * 4;

return ImageByteArray[i];

}

#endregion

#region 적색 채널 설정하기- SetRed(x, y, red)

/// <summary>

/// 적색 채널 설정하기

/// </summary>

/// <param name="x">X</param>

/// <param name="y">Y</param>

/// <param name="red">적색 채널</param>

public void SetRed(int x, int y, byte red)

{

int i = y * this.bitmapData.Stride + x * 4;

ImageByteArray[i + 2] = red;

}

#endregion

#region 적색 채널 구하기 - GetRed(x, y)

/// <summary>

/// 적색 채널 구하기

/// </summary>

/// <param name="x">X</param>

/// <param name="y">Y</param>

/// <returns>적색 채널</returns>

public byte GetRed(int x, int y)

{

int i = y * this.bitmapData.Stride + x * 4;

return ImageByteArray[i + 2];

}

#endregion

#region 적색 채널 지우기 - ClearRed()

/// <summary>

/// 적색 채널 지우기

/// </summary>

public void ClearRed()

{

bool wasLocked = IsLocked;

LockBitmap();

for(int y = 0; y < Height; y++)

{

for(int x = 0; x < Width; x++)

{

SetRed(x, y, 0);

}

if(!wasLocked)

{

UnlockBitmap();

}

#endregion

#region 녹색 채널 지우기 - ClearGreen()

/// <summary>

/// 녹색 채널 지우기

/// </summary>

public void ClearGreen()

{

bool wasLocked = IsLocked;

LockBitmap();

for(int y = 0; y < Height; y++)

{

for(int x = 0; x < Width; x++)

{

SetGreen(x, y, 0);

}

if(!wasLocked)

{

UnlockBitmap();

}

#endregion

#region 청색 채널 지우기 - ClearBlue()

/// <summary>

/// 청색 채널 지우기

/// </summary>

public void ClearBlue()

{

bool wasLocked = IsLocked;

LockBitmap();

for(int y = 0; y < Height; y++)

{

for(int x = 0; x < Width; x++)

{

SetBlue(x, y, 0);

}

if(!wasLocked)

{

UnlockBitmap();

}

#endregion

#region 채널 평균 값으로 회색조 비트맵으로 변환하기 - ConvertToAverageGrayscaleBitmap()

/// <summary>

/// 채널 평균 값으로 회색조 비트맵으로 변환하기

/// </summary>

public void ConvertToAverageGrayscaleBitmap()

{

bool wasLocked = IsLocked;

LockBitmap();

for(int y = 0; y < Height; y++)

{

for(int x = 0; x < Width; x++)

{

GetPixel(x, y, out byte red, out byte green, out byte blue, out byte alpha);

byte gray = (byte)((red + green + blue) / 3);

SetPixel(x, y, gray, gray, gray, alpha);

}

if(!wasLocked)

{

UnlockBitmap();

}

#endregion

#region 회색조 비트맵으로 변환하기 - ConvertToGrayscaleBitmap()

/// <summary>

/// 회색조 비트맵으로 변환하기

/// </summary>

public void ConvertToGrayscaleBitmap()

{

bool wasLocked = IsLocked;

LockBitmap();

for(int y = 0; y < Height; y++)

{

for(int x = 0; x < Width; x++)

{

GetPixel(x, y, out byte red, out byte green, out byte blue, out byte alpha);

byte gray = (byte)(0.3 * red + 0.5 * green + 0.2 * blue);

SetPixel(x, y, gray, gray, gray, alpha);

}

if(!wasLocked)

{

UnlockBitmap();

}

#endregion

#region 비트맵 반전하기 - InvertBitmap()

/// <summary>

/// 비트맵 반전하기

/// </summary>

public void InvertBitmap()

{

bool wasLocked = IsLocked;

LockBitmap();

for(int y = 0; y < Height; y++)

{

for(int x = 0; x < Width; x++)

{

byte red = (byte)(255 - GetRed (x, y));

byte green = (byte)(255 - GetGreen(x, y));

byte blue = (byte)(255 - GetBlue (x, y));

byte alpha = GetAlpha(x, y);

SetPixel(x, y, red, green, blue, alpha);

}

if(!wasLocked)

{

UnlockBitmap();

}

#endregion

#region 복제하기 - Clone()

/// <summary>

/// 복제하기

/// </summary>

/// <returns>비트맵 헬퍼</returns>

public BitmapHelper Clone()

{

bool wasLocked = this.IsLocked;

LockBitmap();

BitmapHelper bitmapHelper = MemberwiseClone() as BitmapHelper;

bitmapHelper.Bitmap = new Bitmap(Bitmap.Width, Bitmap.Height);

bitmapHelper.isLocked = false;

if(!wasLocked)

{

UnlockBitmap();

}

return bitmapHelper;

}

#endregion

#region 필터 적용하기 - ApplyFilter(filter, targetLocked)

/// <summary>

/// 필터 적용하기

/// </summary>

/// <param name="filter">필터</param>

/// <param name="targetLocked">타겟 잠금 여부</param>

/// <returns>비트맵 헬퍼</returns>

public BitmapHelper ApplyFilter(Filter filter, bool targetLocked)

{

BitmapHelper targetHelper = Clone();

bool wasLocked = IsLocked;

LockBitmap();

targetHelper.LockBitmap();

int offsetX = -(int)(filter.KernelArray.GetUpperBound(1) / 2);

int offsetY = -(int)(filter.KernelArray.GetUpperBound(0) / 2);

int minimumX = -offsetX;

int maximumX = Bitmap.Width - filter.KernelArray.GetUpperBound(1);

int minimumY = -offsetY;

int maximumY = Bitmap.Height - filter.KernelArray.GetUpperBound(0);

int maximumRow = filter.KernelArray.GetUpperBound(0);

int maximumColumn = filter.KernelArray.GetUpperBound(1);

for(int x = minimumX; x <= maximumX; x++)

{

for(int y = minimumY; y <= maximumY; y++)

{

bool skipPixel = false;

float red = 0;

float green = 0;

float blue = 0;

for(int row = 0; row <= maximumRow; row++)

{

for(int column = 0; column <= maximumColumn; column++)

{

int indexX = x + column + offsetX;

int indexY = y + row + offsetY;

GetPixel(indexX, indexY, out byte newRed, out byte newGreen, out byte newBlue, out byte newAlpha);

if(newAlpha == 0)

{

skipPixel = true;

break;

}

red += newRed * filter.KernelArray[row, column];

green += newGreen * filter.KernelArray[row, column];

blue += newBlue * filter.KernelArray[row, column];

}

if(skipPixel)

{

break;

}

if(!skipPixel)

{

red = filter.Offset + red / filter.Weight;

if(red < 0)

{

red = 0;

}

if(red > 255)

{

red = 255;

}

green = filter.Offset + green / filter.Weight;

if(green < 0)

{

green = 0;

}

if(green > 255)

{

green = 255;

}

blue = filter.Offset + blue / filter.Weight;

if(blue < 0)

{

blue = 0;

}

if(blue > 255)

{

blue = 255;

}

targetHelper.SetPixel(x, y, (byte)red, (byte)green, (byte)blue, GetAlpha(x, y));

}

if(!targetLocked)

{

targetHelper.UnlockBitmap();

}

if(!wasLocked)

{

UnlockBitmap();

}

return targetHelper;

}

#endregion

#region 워프하기 - Warp(warpOperation, targetLocked)

/// <summary>

/// 워프하기

/// </summary>

/// <param name="warpOperation">워프 연산</param>

/// <param name="targetLocked">타겟 잠금 여부</param>

/// <returns>비트맵 헬퍼</returns>

public BitmapHelper Warp(WarpOperation warpOperation, bool targetLocked)

{

BitmapHelper targetHelper = Clone();

bool wasLocked = IsLocked;

LockBitmap();

targetHelper.LockBitmap();

WarpBitmap(this, targetHelper, warpOperation);

if(!targetLocked)

{

targetHelper.UnlockBitmap();

}

if(!wasLocked)

{

UnlockBitmap();

}

return targetHelper;

}

#endregion

}

▶ PointInfo.cs


namespace TestProject
{
    /// <summary>
    /// 포인트 정보
    /// </summary>
    public class PointInfo
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region Field

        /// <summary>
        /// 복소수 Z
        /// </summary>
        public Complex Z;

        /// <summary>
        /// 단계 번호
        /// </summary>
        public int StepNumber;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - PointInfo(z, stepNumber)

        /// <summary>
        /// 생성자
        /// </summary>
        /// <param name="z">복소수 Z</param>
        /// <param name="stepNumber">단계 번호</param>
        public PointInfo(Complex z, int stepNumber)
        {
            Z          = z;
            StepNumber = stepNumber;
        }

        #endregion
    }
}

namespace TestProject

{

/// <summary>

/// 포인트 정보

/// </summary>

public class PointInfo

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Public

#region Field

/// <summary>

/// 복소수 Z

/// </summary>

public Complex Z;

/// <summary>

/// 단계 번호

/// </summary>

public int StepNumber;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - PointInfo(z, stepNumber)

/// <summary>

/// 생성자

/// </summary>

/// <param name="z">복소수 Z</param>

/// <param name="stepNumber">단계 번호</param>

public PointInfo(Complex z, int stepNumber)

{

Z = z;

StepNumber = stepNumber;

}

#endregion

}

▶ Complex.cs

[C#/WINFORM] 육각형 그리드 그리기

■ 육각형 그리드를 그리는 방법을 보여준다. ▶ MainForm.cs


using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Windows.Forms;

namespace TestProject
{
    /// <summary>
    /// 메인 폼
    /// </summary>
    public partial class MainForm : Form
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 육각형 너비
        /// </summary>
        private const float HEXAGON_WIDTH = 50;

        /// <summary>
        /// 육각형 위치 리스트
        /// </summary>
        private List<PointF> hexagonPointList = new List<PointF>();

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainForm()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainForm()
        {
            InitializeComponent();

            this.pictureBox.Resize     += pictureBox_Resize;
            this.pictureBox.Paint      += pictureBox_Paint;
            this.pictureBox.MouseMove  += pictureBox_MouseMove;
            this.pictureBox.MouseClick += pictureBox_MouseClick;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private
        //////////////////////////////////////////////////////////////////////////////// Event

        #region 픽처 박스 크기 조정시 처리하기 - pictureBox_Resize(sender, e)

        /// <summary>
        /// 픽처 박스 크기 조정시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void pictureBox_Resize(object sender, EventArgs e)
        {
            this.pictureBox.Refresh();
        }

        #endregion
        #region 픽처 박스 페인트시 처리하기 - pictureBox_Paint(sender, e)

        /// <summary>
        /// 픽처 박스 페인트시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void pictureBox_Paint(object sender, PaintEventArgs e)
        {
            e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;

            foreach(PointF hexagonPoint in this.hexagonPointList)
            {
                e.Graphics.FillPolygon
                (
                    Brushes.LightBlue,
                    GetHexagonPointArray
                    (
                        HEXAGON_WIDTH,
                        hexagonPoint.X,
                        hexagonPoint.Y
                    )
                );
            }

            DrawHexagonGrid
            (
                e.Graphics,
                Pens.Black,
                this.pictureBox.ClientSize.Width,
                this.pictureBox.ClientSize.Height,
                HEXAGON_WIDTH
            );
        }

        #endregion
        #region 픽처 박스 마우스 이동시 처리하기 - pictureBox_MouseMove(sender, e)

        /// <summary>
        /// 픽처 박스 마우스 이동시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void pictureBox_MouseMove(object sender, MouseEventArgs e)
        {
            PointF hexagonPoint = GetHexagonPoint(e.X, e.Y, HEXAGON_WIDTH);

            Text = $"({hexagonPoint.Y}, {hexagonPoint.X})";
        }

        #endregion
        #region 픽처 박스 마우스 클릭시 처리하기 - pictureBox_MouseClick(sender, e)

        /// <summary>
        /// 픽처 박스 마우스 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void pictureBox_MouseClick(object sender, MouseEventArgs e)
        {
            PointF hexagonPoint = GetHexagonPoint(e.X, e.Y, HEXAGON_WIDTH);

            this.hexagonPointList.Add(hexagonPoint);

            this.pictureBox.Refresh();
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////// Function

        #region 육각형 높이 구하기 - GetHexgonHeight(width)

        /// <summary>
        /// 육각형 높이 구하기
        /// </summary>
        /// <param name="width">너비</param>
        /// <returns>육각형 높이</returns>
        private float GetHexgonHeight(float width)
        {
            return (float)(4 * (width / 2 / Math.Sqrt(3)));
        }

        #endregion
        #region 육각형 포인트 배열 구하기 - GetHexagonPointArray(width, row, column)

        /// <summary>
        /// 육각형 포인트 배열 구하기
        /// </summary>
        /// <param name="width">너비</param>
        /// <param name="row">행</param>
        /// <param name="column">열</param>
        /// <returns>육각형 포인트 배열</returns>
        private PointF[] GetHexagonPointArray(float width, float row, float column)
        {
            float height = GetHexgonHeight(width);
            float x      = width / 2;
            float y      = 0;

            x += column * width;

            if(row % 2 != 0)
            {
                x += width / 2;
            }

            y += row * (height * 0.75f);

            return new PointF[]
            {
                new PointF(x            , y                 ),
                new PointF(x + width / 2, y + height * 0.25f),
                new PointF(x + width / 2, y + height * 0.75f),
                new PointF(x            , y + height        ),
                new PointF(x - width / 2, y + height * 0.75f),
                new PointF(x - width / 2, y + height * 0.25f),
            };
        }

        #endregion
        #region 육각형 그리드 그리기 - DrawHexagonGrid(graphics, pen, maximumX, maximumY, height)

        /// <summary>
        /// 육각형 그리드 그리기
        /// </summary>
        /// <param name="graphics">그래픽스</param>
        /// <param name="pen">펜</param>
        /// <param name="maximumX">최대 X</param>
        /// <param name="maximumY">최대 Y</param>
        /// <param name="height">높이</param>
        private void DrawHexagonGrid(Graphics graphics, Pen pen, float maximumX, float maximumY, float height)
        {
            for(int row = 0; ; row++)
            {
                PointF[] hexagonPointArray = GetHexagonPointArray(height, row, 0);

                if(hexagonPointArray[3].Y > maximumY)
                {
                    break;
                }

                for(int column = 0; ; column++)
                {
                    hexagonPointArray = GetHexagonPointArray(height, row, column);

                    if(hexagonPointArray[1].X > maximumX)
                    {
                        break;
                    }

                    if(hexagonPointArray[3].Y <= maximumY)
                    {
                        graphics.DrawPolygon(pen, hexagonPointArray);
                    }
                }
            }
        }

        #endregion
        #region 육각형 위치 구하기 - GetHexagonPoint(x, y, width)

        /// <summary>
        /// 육각형 위치 구하기
        /// </summary>
        /// <param name="x">X</param>
        /// <param name="y">Y</param>
        /// <param name="width">너비</param>
        /// <returns>육각형 위치</returns>
        private PointF GetHexagonPoint(float x, float y, float width)
        {
            float row;
            float column;

            float height = GetHexgonHeight(width);

            row = (int)(y / (height * 0.75f));

            if(row % 2 == 0)
            {
                column = (int)Math.Floor(x / width);
            }
            else
            {
                column = (int)Math.Floor((x - width / 2) / width);
            }

            float testX = column * width;
            float testY = row * height * 0.75f;

            if(row % 2 != 0)
            {
                testX += width / 2;
            }

            bool isLeft  = false;
            bool isRight = false;

            float deltaY = y - testY;

            if(deltaY < height / 4)
            {
                float deltaX = x - (testX + width / 2);

                if(deltaY < 0.001)
                {
                    if(deltaY < 0)
                    {
                        isLeft = true;
                    }

                    if(deltaY > 0)
                    {
                        isRight = true;
                    }
                }
                else if(deltaX < 0)
                {
                    if(-deltaX / deltaY > Math.Sqrt(3))
                    {
                        isLeft = true;
                    }
                }
                else
                {
                    if(deltaX / deltaY > Math.Sqrt(3))
                    {
                        isRight = true;
                    }
                }
            }

            if(isLeft)
            {
                if(row % 2 == 0)
                {
                    column--;
                }

                row--;
            }
            else if(isRight)
            {
                if(row % 2 != 0)
                {
                    column++;
                }

                row--;
            }

            return new PointF(row, column);
        }

        #endregion
    }
}

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using System;

using System.Collections.Generic;

using System.Drawing;

using System.Drawing.Drawing2D;

using System.Windows.Forms;

namespace TestProject

{

/// <summary>

/// 메인 폼

/// </summary>

public partial class MainForm : Form

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Private

#region Field

/// <summary>

/// 육각형 너비

/// </summary>

private const float HEXAGON_WIDTH = 50;

/// <summary>

/// 육각형 위치 리스트

/// </summary>

private List<PointF> hexagonPointList = new List<PointF>();

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainForm()

/// <summary>

/// 생성자

/// </summary>

public MainForm()

{

InitializeComponent();

this.pictureBox.Resize += pictureBox_Resize;

this.pictureBox.Paint += pictureBox_Paint;

this.pictureBox.MouseMove += pictureBox_MouseMove;

this.pictureBox.MouseClick += pictureBox_MouseClick;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Private

//////////////////////////////////////////////////////////////////////////////// Event

#region 픽처 박스 크기 조정시 처리하기 - pictureBox_Resize(sender, e)

/// <summary>

/// 픽처 박스 크기 조정시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void pictureBox_Resize(object sender, EventArgs e)

{

this.pictureBox.Refresh();

}

#endregion

#region 픽처 박스 페인트시 처리하기 - pictureBox_Paint(sender, e)

/// <summary>

/// 픽처 박스 페인트시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void pictureBox_Paint(object sender, PaintEventArgs e)

{

e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;

foreach(PointF hexagonPoint in this.hexagonPointList)

{

e.Graphics.FillPolygon

(

Brushes.LightBlue,

GetHexagonPointArray

(

HEXAGON_WIDTH,

hexagonPoint.X,

hexagonPoint.Y

)

);

}

DrawHexagonGrid

(

e.Graphics,

Pens.Black,

this.pictureBox.ClientSize.Width,

this.pictureBox.ClientSize.Height,

HEXAGON_WIDTH

);

}

#endregion

#region 픽처 박스 마우스 이동시 처리하기 - pictureBox_MouseMove(sender, e)

/// <summary>

/// 픽처 박스 마우스 이동시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void pictureBox_MouseMove(object sender, MouseEventArgs e)

{

PointF hexagonPoint = GetHexagonPoint(e.X, e.Y, HEXAGON_WIDTH);

Text = $"({hexagonPoint.Y}, {hexagonPoint.X})";

}

#endregion

#region 픽처 박스 마우스 클릭시 처리하기 - pictureBox_MouseClick(sender, e)

/// <summary>

/// 픽처 박스 마우스 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void pictureBox_MouseClick(object sender, MouseEventArgs e)

{

PointF hexagonPoint = GetHexagonPoint(e.X, e.Y, HEXAGON_WIDTH);

this.hexagonPointList.Add(hexagonPoint);

this.pictureBox.Refresh();

}

#endregion

//////////////////////////////////////////////////////////////////////////////// Function

#region 육각형 높이 구하기 - GetHexgonHeight(width)

/// <summary>

/// 육각형 높이 구하기

/// </summary>

/// <param name="width">너비</param>

/// <returns>육각형 높이</returns>

private float GetHexgonHeight(float width)

{

return (float)(4 * (width / 2 / Math.Sqrt(3)));

}

#endregion

#region 육각형 포인트 배열 구하기 - GetHexagonPointArray(width, row, column)

/// <summary>

/// 육각형 포인트 배열 구하기

/// </summary>

/// <param name="width">너비</param>

/// <param name="row">행</param>

/// <param name="column">열</param>

/// <returns>육각형 포인트 배열</returns>

private PointF[] GetHexagonPointArray(float width, float row, float column)

{

float height = GetHexgonHeight(width);

float x = width / 2;

float y = 0;

x += column * width;

if(row % 2 != 0)

{

x += width / 2;

}

y += row * (height * 0.75f);

return new PointF[]

{

new PointF(x , y ),

new PointF(x + width / 2, y + height * 0.25f),

new PointF(x + width / 2, y + height * 0.75f),

new PointF(x , y + height ),

new PointF(x - width / 2, y + height * 0.75f),

new PointF(x - width / 2, y + height * 0.25f),

};

}

#endregion

#region 육각형 그리드 그리기 - DrawHexagonGrid(graphics, pen, maximumX, maximumY, height)

/// <summary>

/// 육각형 그리드 그리기

/// </summary>

/// <param name="graphics">그래픽스</param>

/// <param name="pen">펜</param>

/// <param name="maximumX">최대 X</param>

/// <param name="maximumY">최대 Y</param>

/// <param name="height">높이</param>

private void DrawHexagonGrid(Graphics graphics, Pen pen, float maximumX, float maximumY, float height)

{

for(int row = 0; ; row++)

{

PointF[] hexagonPointArray = GetHexagonPointArray(height, row, 0);

if(hexagonPointArray[3].Y > maximumY)

{

break;

}

for(int column = 0; ; column++)

{

hexagonPointArray = GetHexagonPointArray(height, row, column);

if(hexagonPointArray[1].X > maximumX)

{

break;

}

if(hexagonPointArray[3].Y <= maximumY)

{

graphics.DrawPolygon(pen, hexagonPointArray);

}

#endregion

#region 육각형 위치 구하기 - GetHexagonPoint(x, y, width)

/// <summary>

/// 육각형 위치 구하기

/// </summary>

/// <param name="x">X</param>

/// <param name="y">Y</param>

/// <param name="width">너비</param>

/// <returns>육각형 위치</returns>

private PointF GetHexagonPoint(float x, float y, float width)

{

float row;

float column;

float height = GetHexgonHeight(width);

row = (int)(y / (height * 0.75f));

if(row % 2 == 0)

{

column = (int)Math.Floor(x / width);

}

else

{

column = (int)Math.Floor((x - width / 2) / width);

}

float testX = column * width;

float testY = row * height * 0.75f;

if(row % 2 != 0)

{

testX += width / 2;

}

bool isLeft = false;

bool isRight = false;

float deltaY = y - testY;

if(deltaY < height / 4)

{

float deltaX = x - (testX + width / 2);

if(deltaY < 0.001)

{

if(deltaY < 0)

{

isLeft = true;

}

if(deltaY > 0)

{

isRight = true;

}

else if(deltaX < 0)

{

if(-deltaX / deltaY > Math.Sqrt(3))

{

isLeft = true;

}

else

{

if(deltaX / deltaY > Math.Sqrt(3))

{

isRight = true;

}

if(isLeft)

{

if(row % 2 == 0)

{

column--;

}

row--;

}

else if(isRight)

{

if(row % 2 != 0)

{

column++;

}

row--;

}

return new PointF(row, column);

}

#endregion

}

TestProject.zip

[C#/WINFORM] 바탕 화면에서 애니메이션 이미지 출력하기

■ 바탕 화면에서 애니메이션 이미지를 출력하는 방법을 보여준다. ▶ WIN32APIHelper.cs


using System;
using System.Drawing;
using System.Runtime.InteropServices;
using System.Windows.Forms;

namespace TestProject
{
    public static class WIN32Helper
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Import
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Public

        #region DC 구하기 - GetDC(windowHandle)

        /// <summary>
        /// DC 구하기
        /// </summary>
        /// <param name="windowHandle">윈도우 핸들</param>
        /// <returns>디바이스 컨텍스트 핸들</returns>
        [DllImport("user32", ExactSpelling = true, SetLastError = true)]
        public static extern IntPtr GetDC(IntPtr windowHandle);

        #endregion
        #region DC 해제하기 - ReleaseDC(windowHandle, deviceContextHandle)

        /// <summary>
        /// DC 해제하기
        /// </summary>
        /// <param name="windowHandle">윈도우 핸들</param>
        /// <param name="deviceContextHandle">디바이스 컨텍스트 핸들</param>
        /// <returns>처리 결과</returns>
        [DllImport("user32", ExactSpelling = true)]
        public static extern IntPtr ReleaseDC(IntPtr windowHandle, IntPtr deviceContextHandle);

        #endregion

        //////////////////////////////////////////////////////////////////////////////// Private

        #region 데스크톱 윈도우 구하기 - GetDesktopWindow()

        /// <summary>
        /// 데스크톱 윈도우 구하기
        /// </summary>
        /// <returns>데스크톱 윈도우 핸들</returns>
        [DllImport("user32", EntryPoint = "GetDesktopWindow")]
        private static extern IntPtr GetDesktopWindow();

        #endregion
        #region 비트맵 복사하기 - BitBlt(targetDCHandle, targetX, targetY, width, height, sourceDCHandle, sourceX, sourceY, rasterOperationCode

        /// <summary>
        /// 비트맵 복사하기
        /// </summary>
        /// <param name="targetDeviceContextHandle">타겟 디바이스 컨텍스트 핸들</param>
        /// <param name="targetX">타겟 X</param>
        /// <param name="targetY">타겟 Y</param>
        /// <param name="width">너비</param>
        /// <param name="height">높이</param>
        /// <param name="sourceDeviceContextHandle">소스 디바이스 컨텍스트 핸들</param>
        /// <param name="sourceX">소스 X</param>
        /// <param name="sourceY">소스 Y</param>
        /// <param name="rasterOperationCode">래스터 연산 코드</param>
        /// <returns>처리 결과</returns>
        [DllImport("gdi32", ExactSpelling = true)]
        private static extern IntPtr BitBlt
        (
            IntPtr targetDCHandle,
            int    targetX,
            int    targetY,
            int    width,
            int    height,
            IntPtr sourceDCHandle,
            int    sourceX,
            int    sourceY,
            int    rasterOperationCode
        );

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Public

        #region 화면 캡처하기 - CaptureScreen()

        /// <summary>
        /// 화면 캡처하기
        /// </summary>
        /// <returns>화면 캡처 비트맵</returns>
        public static Bitmap CaptureScreen()
        {
            int screenWidth  = Screen.PrimaryScreen.Bounds.Width;
            int screenHeight = Screen.PrimaryScreen.Bounds.Height;

            Bitmap screenBitmap = new Bitmap(screenWidth, screenHeight);

            Graphics screenGraphics = Graphics.FromImage(screenBitmap);

            IntPtr desktopDeviceContextHandle = GetDC(GetDesktopWindow());
            IntPtr screenDeviceContextHandle  = screenGraphics.GetHdc();

            BitBlt
            (
                screenDeviceContextHandle,
                0,
                0,
                screenWidth,
                screenHeight,
                desktopDeviceContextHandle,
                0,
                0,
                0x00CC0020 // SRCCOPY
            );

            ReleaseDC(GetDesktopWindow(), desktopDeviceContextHandle);

            screenGraphics.ReleaseHdc(screenDeviceContextHandle);
            screenGraphics.Dispose();

            return screenBitmap;
        }

        #endregion
    }
}

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using System;

using System.Drawing;

using System.Runtime.InteropServices;

using System.Windows.Forms;

namespace TestProject

{

public static class WIN32Helper

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Import

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Public

#region DC 구하기 - GetDC(windowHandle)

/// <summary>

/// DC 구하기

/// </summary>

/// <param name="windowHandle">윈도우 핸들</param>

/// <returns>디바이스 컨텍스트 핸들</returns>

[DllImport("user32", ExactSpelling = true, SetLastError = true)]

public static extern IntPtr GetDC(IntPtr windowHandle);

#endregion

#region DC 해제하기 - ReleaseDC(windowHandle, deviceContextHandle)

/// <summary>

/// DC 해제하기

/// </summary>

/// <param name="windowHandle">윈도우 핸들</param>

/// <param name="deviceContextHandle">디바이스 컨텍스트 핸들</param>

/// <returns>처리 결과</returns>

[DllImport("user32", ExactSpelling = true)]

public static extern IntPtr ReleaseDC(IntPtr windowHandle, IntPtr deviceContextHandle);

#endregion

//////////////////////////////////////////////////////////////////////////////// Private

#region 데스크톱 윈도우 구하기 - GetDesktopWindow()

/// <summary>

/// 데스크톱 윈도우 구하기

/// </summary>

/// <returns>데스크톱 윈도우 핸들</returns>

[DllImport("user32", EntryPoint = "GetDesktopWindow")]

private static extern IntPtr GetDesktopWindow();

#endregion

#region 비트맵 복사하기 - BitBlt(targetDCHandle, targetX, targetY, width, height, sourceDCHandle, sourceX, sourceY, rasterOperationCode

/// <summary>

/// 비트맵 복사하기

/// </summary>

/// <param name="targetDeviceContextHandle">타겟 디바이스 컨텍스트 핸들</param>

/// <param name="targetX">타겟 X</param>

/// <param name="targetY">타겟 Y</param>

/// <param name="width">너비</param>

/// <param name="height">높이</param>

/// <param name="sourceDeviceContextHandle">소스 디바이스 컨텍스트 핸들</param>

/// <param name="sourceX">소스 X</param>

/// <param name="sourceY">소스 Y</param>

/// <param name="rasterOperationCode">래스터 연산 코드</param>

/// <returns>처리 결과</returns>

[DllImport("gdi32", ExactSpelling = true)]

private static extern IntPtr BitBlt

(

IntPtr targetDCHandle,

int targetX,

int targetY,

int width,

int height,

IntPtr sourceDCHandle,

int sourceX,

int sourceY,

int rasterOperationCode

);

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Public

#region 화면 캡처하기 - CaptureScreen()

/// <summary>

/// 화면 캡처하기

/// </summary>

/// <returns>화면 캡처 비트맵</returns>

public static Bitmap CaptureScreen()

{

int screenWidth = Screen.PrimaryScreen.Bounds.Width;

int screenHeight = Screen.PrimaryScreen.Bounds.Height;

Bitmap screenBitmap = new Bitmap(screenWidth, screenHeight);

Graphics screenGraphics = Graphics.FromImage(screenBitmap);

IntPtr desktopDeviceContextHandle = GetDC(GetDesktopWindow());

IntPtr screenDeviceContextHandle = screenGraphics.GetHdc();

BitBlt

(

screenDeviceContextHandle,

screenWidth,

screenHeight,

desktopDeviceContextHandle,

0x00CC0020 // SRCCOPY

);

ReleaseDC(GetDesktopWindow(), desktopDeviceContextHandle);

screenGraphics.ReleaseHdc(screenDeviceContextHandle);

screenGraphics.Dispose();

return screenBitmap;

}

#endregion

}

▶ MainForm.cs


using System;
using System.Drawing;
using System.Windows.Forms;

namespace TestProject
{
    /// <summary>
    /// 메인 폼
    /// </summary>
    public partial class MainForm : Form
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainForm()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainForm()
        {
            InitializeComponent();

            this.moveButton.Click += moveButton_Click;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region 이동 버튼 클릭시 처리하기 - moveButton_Click(sender, e)

        /// <summary>
        /// 이동 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void moveButton_Click(object sender, EventArgs e)
        {
            const int MOVE_STEP = 10;

            Bitmap bitmap = new Bitmap(Image.FromFile("IMAGE\\sample.png"));

            Rectangle targetRectangle = new Rectangle(0, 0, bitmap.Width, bitmap.Height);

            Bitmap desktopBitmap = WIN32Helper.CaptureScreen();
            Bitmap bufferBitmap  = new Bitmap(targetRectangle.Width + MOVE_STEP, targetRectangle.Height + MOVE_STEP);

            IntPtr desktopDCHandle = WIN32Helper.GetDC(IntPtr.Zero);

            Graphics desktopGraphics = Graphics.FromHdc(desktopDCHandle);
            Graphics bufferGraphics  = Graphics.FromImage(bufferBitmap);

            Point targetPoint = new Point(500, 300);

            for(int i = 0, j = 0; i < 100; i += MOVE_STEP, j += MOVE_STEP)
            {
                bufferGraphics.DrawImage
                (
                    desktopBitmap,
                    0,
                    0,
                    new Rectangle
                    (
                        targetPoint.X + i,
                        targetPoint.Y + j,
                        targetRectangle.Width  + MOVE_STEP,
                        targetRectangle.Height + MOVE_STEP
                    ),
                    GraphicsUnit.Pixel
                );

                bufferGraphics.DrawImage
                (
                    bitmap,
                    MOVE_STEP,
                    MOVE_STEP,
                    targetRectangle,
                    GraphicsUnit.Pixel
                );

                desktopGraphics.DrawImage(bufferBitmap, targetPoint.X + i, targetPoint.Y + j);
            }

            for(int i = 100, j = 100; i > 0; i -= MOVE_STEP, j -= MOVE_STEP)
            {
                bufferGraphics.DrawImage
                (
                    desktopBitmap,
                    0,
                    0,
                    new Rectangle
                    (
                        targetPoint.X + i,
                        targetPoint.Y + j,
                        targetRectangle.Width  + MOVE_STEP,
                        targetRectangle.Height + MOVE_STEP
                    ),
                    GraphicsUnit.Pixel
                );

                bufferGraphics.DrawImage(bitmap, 0, 0, targetRectangle, GraphicsUnit.Pixel);

                desktopGraphics.DrawImage(bufferBitmap, targetPoint.X + i, targetPoint.Y + j);
            }

            bufferGraphics.Dispose();
            desktopGraphics.Dispose();

            WIN32Helper.ReleaseDC(IntPtr.Zero, desktopDCHandle);
        }

        #endregion
    }
}

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using System;

using System.Drawing;

using System.Windows.Forms;

namespace TestProject

{

/// <summary>

/// 메인 폼

/// </summary>

public partial class MainForm : Form

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainForm()

/// <summary>

/// 생성자

/// </summary>

public MainForm()

{

InitializeComponent();

this.moveButton.Click += moveButton_Click;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Private

#region 이동 버튼 클릭시 처리하기 - moveButton_Click(sender, e)

/// <summary>

/// 이동 버튼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void moveButton_Click(object sender, EventArgs e)

{

const int MOVE_STEP = 10;

Bitmap bitmap = new Bitmap(Image.FromFile("IMAGE\\sample.png"));

Rectangle targetRectangle = new Rectangle(0, 0, bitmap.Width, bitmap.Height);

Bitmap desktopBitmap = WIN32Helper.CaptureScreen();

Bitmap bufferBitmap = new Bitmap(targetRectangle.Width + MOVE_STEP, targetRectangle.Height + MOVE_STEP);

IntPtr desktopDCHandle = WIN32Helper.GetDC(IntPtr.Zero);

Graphics desktopGraphics = Graphics.FromHdc(desktopDCHandle);

Graphics bufferGraphics = Graphics.FromImage(bufferBitmap);

Point targetPoint = new Point(500, 300);

for(int i = 0, j = 0; i < 100; i += MOVE_STEP, j += MOVE_STEP)

{

bufferGraphics.DrawImage

(

desktopBitmap,

new Rectangle

(

targetPoint.X + i,

targetPoint.Y + j,

targetRectangle.Width + MOVE_STEP,

targetRectangle.Height + MOVE_STEP

GraphicsUnit.Pixel

);

bufferGraphics.DrawImage

(

bitmap,

MOVE_STEP,

targetRectangle,

GraphicsUnit.Pixel

);

desktopGraphics.DrawImage(bufferBitmap, targetPoint.X + i, targetPoint.Y + j);

}

for(int i = 100, j = 100; i > 0; i -= MOVE_STEP, j -= MOVE_STEP)

{

bufferGraphics.DrawImage

(

desktopBitmap,

new Rectangle

(

targetPoint.X + i,

targetPoint.Y + j,

targetRectangle.Width + MOVE_STEP,

targetRectangle.Height + MOVE_STEP

GraphicsUnit.Pixel

);

bufferGraphics.DrawImage(bitmap, 0, 0, targetRectangle, GraphicsUnit.Pixel);

desktopGraphics.DrawImage(bufferBitmap, targetPoint.X + i, targetPoint.Y + j);

}

bufferGraphics.Dispose();

desktopGraphics.Dispose();

WIN32Helper.ReleaseDC(IntPtr.Zero, desktopDCHandle);

}

#endregion

}

TestProject.zip

[C#/WINFORM] ElementHost 클래스 : PropertyMap 속성을 사용해 WPF 엘리먼트 속성 매핑 설정하기

■ ElementHost 컨트롤의 PropertyMap 속성을 사용하여 Windows Forms 속성을 호스팅된 WPF 엘리먼트의 해당 속성에 매핑하는 방법을 보여준다. ▶ MainForm.cs


using System;
using System.Drawing;
using System.IO;
using System.Reflection;
using System.Windows;
using System.Windows.Forms;
using System.Windows.Forms.Integration;
using System.Windows.Media;
using System.Windows.Media.Imaging;

namespace TestProject
{
    /// <summary>
    /// 메인 폼
    /// </summary>
    public partial class MainForm : Form
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainForm()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainForm()
        {
            InitializeComponent();

            Load   += Form_Load;
            Resize += Form_Resize;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private
        //////////////////////////////////////////////////////////////////////////////// Event

        #region 폼 로드시 처리하기 - Form_Load(sender, e)

        /// <summary>
        /// 폼 로드시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void Form_Load(object sender, EventArgs e)
        {
            System.Windows.Controls.Button button = new System.Windows.Controls.Button();

            button.Content = "Windows Presentation Foundation Button";

            this.elementHost.Child = button;

            AddMarginPropertyMapping();

            RemoveCursorPropertyMapping();

            AddRegionPropertyMapping();

            ExtendBackColorPropertyMapping();

            this.elementHost.Margin = new Padding(30, 30, 30, 30);

            this.elementHost.Region = new Region();

            this.elementHost.BackColor = System.Drawing.Color.AliceBlue;
        }

        #endregion
        #region 폼 크기 변경시 처리하기 - Form_Resize(sender, e)

        /// <summary>
        /// 폼 크기 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void Form_Resize(object sender, EventArgs e)
        {
            ProcessRegionPropertyTranslator(this.elementHost, "Region", null);
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////// Function

        #region 마진 속성 번역자 처리하기 - ProcessMarginPropertyTranslator(hostObject, propertyName, value)

        /// <summary>
        /// 마진 속성 번역자 처리하기
        /// </summary>
        /// <param name="hostObject">호스트 객체</param>
        /// <param name="propertyName">속성명</param>
        /// <param name="value">값</param>
        private void ProcessMarginPropertyTranslator(object hostObject, string propertyName, object value)
        {
            ElementHost elementHost = hostObject as ElementHost;

            Padding padding = (Padding)value;

            System.Windows.Controls.Button button = elementHost.Child as System.Windows.Controls.Button;

            Thickness thickness = new Thickness(padding.Left, padding.Top, padding.Right, padding.Bottom);

            button.Margin = thickness;
        }

        #endregion
        #region 영역 속성 번역자 처리하기 - ProcessRegionPropertyTranslator(hostObject, propertyName, value)

        /// <summary>
        /// 영역 속성 번역자 처리하기
        /// </summary>
        /// <param name="hostObject">호스트 객체</param>
        /// <param name="propertyName">속성명</param>
        /// <param name="value">값</param>
        private void ProcessRegionPropertyTranslator(object hostObject, string propertyName, object value)
        {
            ElementHost elementHost = hostObject as ElementHost;

            System.Windows.Controls.Button button = elementHost.Child as System.Windows.Controls.Button;

            button.Clip = new EllipseGeometry
            (
                new Rect
                (
                    0,
                    0,
                    this.elementHost.Width  - (button.Margin.Left + button.Margin.Right ),
                    this.elementHost.Height - (button.Margin.Top  + button.Margin.Bottom)
                )
            );
        }

        #endregion
        #region 배경색 속성 번역자 처리하기 - ProcessBackColorPropertyTranslator(hostObject, propertyName, value)

        /// <summary>
        /// 배경색 속성 번역자 처리하기
        /// </summary>
        /// <param name="hostObject">호스트 객체</param>
        /// <param name="propertyName">속성명</param>
        /// <param name="value">값</param>
        private void ProcessBackColorPropertyTranslator(object hostObject, string propertyName, object value)
        {
            string assemblyFilePath = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);

            string imageFilePath = Path.Combine(assemblyFilePath, "IMAGE", "sample.jpg");

            ImageBrush imageBrush = new ImageBrush(new BitmapImage(new Uri(@"file:///" + imageFilePath)));

            ElementHost elementHost = hostObject as ElementHost;

            System.Windows.Controls.Button button = elementHost.Child as System.Windows.Controls.Button;

            button.Background = imageBrush;
        }

        #endregion

        #region 마진 속성 매핑 추가하기 - AddMarginPropertyMapping()

        /// <summary>
        /// 마진 속성 매핑 추가하기
        /// </summary>
        private void AddMarginPropertyMapping()
        {
            this.elementHost.PropertyMap.Add("Margin", new PropertyTranslator(ProcessMarginPropertyTranslator));
        }

        #endregion
        #region 커서 속성 매핑 제거하기 - RemoveCursorPropertyMapping()

        /// <summary>
        /// 커서 속성 매핑 제거하기
        /// </summary>
        private void RemoveCursorPropertyMapping()
        {
            this.elementHost.PropertyMap.Remove("Cursor");
        }

        #endregion
        #region 영역 속성 매핑 추가하기 - AddRegionPropertyMapping()

        /// <summary>
        /// 영역 속성 매핑 추가하기
        /// </summary>
        private void AddRegionPropertyMapping()
        {
            this.elementHost.PropertyMap.Add("Region", new PropertyTranslator(ProcessRegionPropertyTranslator));
        }

        #endregion
        #region 배경색 속성 매핑 확장하기 - ExtendBackColorPropertyMapping()

        /// <summary>
        /// 배경색 속성 매핑 확장하기
        /// </summary>
        private void ExtendBackColorPropertyMapping()
        {
            if(this.elementHost.PropertyMap["BackColor"] != null)
            {
                this.elementHost.PropertyMap["BackColor"] += new PropertyTranslator(ProcessBackColorPropertyTranslator);
            }
        }

        #endregion
    }
}

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using System;

using System.Drawing;

using System.IO;

using System.Reflection;

using System.Windows;

using System.Windows.Forms;

using System.Windows.Forms.Integration;

using System.Windows.Media;

using System.Windows.Media.Imaging;

namespace TestProject

{

/// <summary>

/// 메인 폼

/// </summary>

public partial class MainForm : Form

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainForm()

/// <summary>

/// 생성자

/// </summary>

public MainForm()

{

InitializeComponent();

Load += Form_Load;

Resize += Form_Resize;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Private

//////////////////////////////////////////////////////////////////////////////// Event

#region 폼 로드시 처리하기 - Form_Load(sender, e)

/// <summary>

/// 폼 로드시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void Form_Load(object sender, EventArgs e)

{

System.Windows.Controls.Button button = new System.Windows.Controls.Button();

button.Content = "Windows Presentation Foundation Button";

this.elementHost.Child = button;

AddMarginPropertyMapping();

RemoveCursorPropertyMapping();

AddRegionPropertyMapping();

ExtendBackColorPropertyMapping();

this.elementHost.Margin = new Padding(30, 30, 30, 30);

this.elementHost.Region = new Region();

this.elementHost.BackColor = System.Drawing.Color.AliceBlue;

}

#endregion

#region 폼 크기 변경시 처리하기 - Form_Resize(sender, e)

/// <summary>

/// 폼 크기 변경시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void Form_Resize(object sender, EventArgs e)

{

ProcessRegionPropertyTranslator(this.elementHost, "Region", null);

}

#endregion

//////////////////////////////////////////////////////////////////////////////// Function

#region 마진 속성 번역자 처리하기 - ProcessMarginPropertyTranslator(hostObject, propertyName, value)

/// <summary>

/// 마진 속성 번역자 처리하기

/// </summary>

/// <param name="hostObject">호스트 객체</param>

/// <param name="propertyName">속성명</param>

/// <param name="value">값</param>

private void ProcessMarginPropertyTranslator(object hostObject, string propertyName, object value)

{

ElementHost elementHost = hostObject as ElementHost;

Padding padding = (Padding)value;

System.Windows.Controls.Button button = elementHost.Child as System.Windows.Controls.Button;

Thickness thickness = new Thickness(padding.Left, padding.Top, padding.Right, padding.Bottom);

button.Margin = thickness;

}

#endregion

#region 영역 속성 번역자 처리하기 - ProcessRegionPropertyTranslator(hostObject, propertyName, value)

/// <summary>

/// 영역 속성 번역자 처리하기

/// </summary>

/// <param name="hostObject">호스트 객체</param>

/// <param name="propertyName">속성명</param>

/// <param name="value">값</param>

private void ProcessRegionPropertyTranslator(object hostObject, string propertyName, object value)

{

ElementHost elementHost = hostObject as ElementHost;

System.Windows.Controls.Button button = elementHost.Child as System.Windows.Controls.Button;

button.Clip = new EllipseGeometry

(

new Rect

(

this.elementHost.Width - (button.Margin.Left + button.Margin.Right ),

this.elementHost.Height - (button.Margin.Top + button.Margin.Bottom)

)

);

}

#endregion

#region 배경색 속성 번역자 처리하기 - ProcessBackColorPropertyTranslator(hostObject, propertyName, value)

/// <summary>

/// 배경색 속성 번역자 처리하기

/// </summary>

/// <param name="hostObject">호스트 객체</param>

/// <param name="propertyName">속성명</param>

/// <param name="value">값</param>

private void ProcessBackColorPropertyTranslator(object hostObject, string propertyName, object value)

{

string assemblyFilePath = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);

string imageFilePath = Path.Combine(assemblyFilePath, "IMAGE", "sample.jpg");

ImageBrush imageBrush = new ImageBrush(new BitmapImage(new Uri(@"file:///" + imageFilePath)));

ElementHost elementHost = hostObject as ElementHost;

System.Windows.Controls.Button button = elementHost.Child as System.Windows.Controls.Button;

button.Background = imageBrush;

}

#endregion

#region 마진 속성 매핑 추가하기 - AddMarginPropertyMapping()

/// <summary>

/// 마진 속성 매핑 추가하기

/// </summary>

private void AddMarginPropertyMapping()

{

this.elementHost.PropertyMap.Add("Margin", new PropertyTranslator(ProcessMarginPropertyTranslator));

}

#endregion

#region 커서 속성 매핑 제거하기 - RemoveCursorPropertyMapping()

/// <summary>

/// 커서 속성 매핑 제거하기

/// </summary>

private void RemoveCursorPropertyMapping()

{

this.elementHost.PropertyMap.Remove("Cursor");

}

#endregion

#region 영역 속성 매핑 추가하기 - AddRegionPropertyMapping()

/// <summary>

/// 영역 속성 매핑 추가하기

/// </summary>

private void AddRegionPropertyMapping()

{

this.elementHost.PropertyMap.Add("Region", new PropertyTranslator(ProcessRegionPropertyTranslator));

}

#endregion

#region 배경색 속성 매핑 확장하기 - ExtendBackColorPropertyMapping()

/// <summary>

/// 배경색 속성 매핑 확장하기

/// </summary>

private void ExtendBackColorPropertyMapping()

{

if(this.elementHost.PropertyMap["BackColor"] != null)

{

this.elementHost.PropertyMap["BackColor"] += new PropertyTranslator(ProcessBackColorPropertyTranslator);

}

#endregion

}

TestProject.zip

[C#/WINFORM] ElementHost 클래스 : WPF 복합 컨트롤 호스트하기

■ Windows Forms 응용 프로그램에서 데이터 입력을 수행하기 위해 WPF 복합 컨트롤을 호스팅하는 응용 프로그램을 작성한다. [TestLibrary 프로젝트] ▶ CustomControlEventArgs.cs


using System;

namespace TestLibrary
{
    /// <summary>
    /// 커스텀 컨트롤 이벤트 인자
    /// </summary>
    public class CustomControlEventArgs : EventArgs
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// OK 버튼 클릭 여부
        /// </summary>
        private bool okButtonClicked;

        /// <summary>
        /// 명칭
        /// </summary>
        private string name;

        /// <summary>
        /// 주소
        /// </summary>
        private string address;

        /// <summary>
        /// 도시
        /// </summary>
        private string city;

        /// <summary>
        /// 주
        /// </summary>
        private string state;

        /// <summary>
        /// 우편 번호
        /// </summary>
        private string zip;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Property
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region OK 버튼 클릭 여부 - OKButtonClicked

        /// <summary>
        /// OK 버튼 클릭 여부
        /// </summary>
        public bool OKButtonClicked
        {
            get
            {
                return this.okButtonClicked;
            }
            set
            {
                this.okButtonClicked = value;
            }
        }

        #endregion
        #region 명칭 - Name

        /// <summary>
        /// 명칭
        /// </summary>
        public string Name
        {
            get
            {
                return this.name;
            }
            set
            {
                this.name = value;
            }
        }

        #endregion
        #region 주소 - Address

        /// <summary>
        /// 주소
        /// </summary>
        public string Address
        {
            get
            {
                return this.address;
            }
            set
            {
                this.address = value;
            }
        }

        #endregion
        #region 도시 - City

        /// <summary>
        /// 도시
        /// </summary>
        public string City
        {
            get
            {
                return this.city;
            }
            set
            {
                this.city = value;
            }
        }

        #endregion
        #region 주 - State

        /// <summary>
        /// 주
        /// </summary>
        public string State
        {
            get
            {
                return this.state;
            }
            set
            {
                this.state = value;
            }
        }

        #endregion
        #region 우편 번호 - Zip

        /// <summary>
        /// 우편 번호
        /// </summary>
        public string Zip
        {
            get
            {
                return this.zip;
            }
            set
            {
                this.zip = value;
            }
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Consturctor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - CustomControlEventArgs(okButtonClicked, name, address, city, state, zip)

        /// <summary>
        /// 생성자
        /// </summary>
        /// <param name="okButtonClicked">OK 버튼 클릭 여부</param>
        /// <param name="name">명칭</param>
        /// <param name="address">주소</param>
        /// <param name="city">도시</param>
        /// <param name="state">주</param>
        /// <param name="zip">우편 번호</param>
        public CustomControlEventArgs(bool okButtonClicked, string name, string address, string city, string state, string zip)
        {
            this.okButtonClicked = okButtonClicked;
            this.name            = name;
            this.address         = address;
            this.city            = city;
            this.state           = state;
            this.zip             = zip;
        }

        #endregion
    }
}

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using System;

namespace TestLibrary

{

/// <summary>

/// 커스텀 컨트롤 이벤트 인자

/// </summary>

public class CustomControlEventArgs : EventArgs

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Private

#region Field

/// <summary>

/// OK 버튼 클릭 여부

/// </summary>

private bool okButtonClicked;

/// <summary>

/// 명칭

/// </summary>

private string name;

/// <summary>

/// 주소

/// </summary>

private string address;

/// <summary>

/// 도시

/// </summary>

private string city;

/// <summary>

/// 주

/// </summary>

private string state;

/// <summary>

/// 우편 번호

/// </summary>

private string zip;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Property

////////////////////////////////////////////////////////////////////////////////////////// Public

#region OK 버튼 클릭 여부 - OKButtonClicked

/// <summary>

/// OK 버튼 클릭 여부

/// </summary>

public bool OKButtonClicked

{

get

{

return this.okButtonClicked;

}

set

{

this.okButtonClicked = value;

}

#endregion

#region 명칭 - Name

/// <summary>

/// 명칭

/// </summary>

public string Name

{

get

{

return this.name;

}

set

{

this.name = value;

}

#endregion

#region 주소 - Address

/// <summary>

/// 주소

/// </summary>

public string Address

{

get

{

return this.address;

}

set

{

this.address = value;

}

#endregion

#region 도시 - City

/// <summary>

/// 도시

/// </summary>

public string City

{

get

{

return this.city;

}

set

{

this.city = value;

}

#endregion

#region 주 - State

/// <summary>

/// 주

/// </summary>

public string State

{

get

{

return this.state;

}

set

{

this.state = value;

}

#endregion

#region 우편 번호 - Zip

/// <summary>

/// 우편 번호

/// </summary>

public string Zip

{

get

{

return this.zip;

}

set

{

this.zip = value;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Consturctor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - CustomControlEventArgs(okButtonClicked, name, address, city, state, zip)

/// <summary>

/// 생성자

/// </summary>

/// <param name="okButtonClicked">OK 버튼 클릭 여부</param>

/// <param name="name">명칭</param>

/// <param name="address">주소</param>

/// <param name="city">도시</param>

/// <param name="state">주</param>

/// <param name="zip">우편 번호</param>

public CustomControlEventArgs(bool okButtonClicked, string name, string address, string city, string state, string zip)

{

this.okButtonClicked = okButtonClicked;

this.name = name;

this.address = address;

this.city = city;

this.state = state;

this.zip = zip;

}

#endregion

}

▶

[C#/WINFORM] ElementHost 클래스 : WPF 복합 컨트롤 사용하기

■ WPF 복합 컨트롤을 만들고 ElementHost 컨트롤을 사용하여 Windows Forms 컨트롤 및 폼에서 호스트하는 방법을 보여준다. 두 개의 자식 컨트롤이 포함된 WPF

[C#/WINFORM] RNGCryptoServiceProvider 클래스 : GetBytes 메소드를 사용해 임시 패스워드 생성기 만들기

■ RNGCryptoServiceProvider 클래스의 GetBytes 메소드를 사용해 임시 패스워드 생성기를 만드는 방법을 보여준다. ▶ MainForm.cs


using System;
using System.Security.Cryptography;
using System.Text;
using System.Windows.Forms;

namespace TestProject
{
    /// <summary>
    /// 메인 폼
    /// </summary>
    public partial class MainForm : Form
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 소문자 목록
        /// </summary>
        private const string LOWER_CASE_CHARACTER_LIST = "abcdefghijklmnopqrstuvwxyz";

        /// <summary>
        /// 대문자 목록
        /// </summary>
        private const string UPPER_CASE_CHARACTER_LIST = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";

        /// <summary>
        /// 숫자 문자 목록
        /// </summary>
        private const string NUMBER_CHARACTER_LIST = "0123456789";

        /// <summary>
        /// 특수 문자 목록
        /// </summary>
        private const string SPECIAL_CHARACTER_LIST = @"~!@#$%^&*():;[]{}<>,.?/\|";

        /// <summary>
        /// RNG 암호 서비스 공급자
        /// </summary>
        private RNGCryptoServiceProvider rngCryptoServiceProvider = new RNGCryptoServiceProvider();

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainForm()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainForm()
        {
            InitializeComponent();

            this.allowLowercaseCheckBox.CheckedChanged             += allowLowercaseCheckBox_CheckedChanged;
            this.requireLowercaseCheckBox.CheckedChanged           += requireLowercaseCheckBox_CheckedChanged;
            this.allowUppercaseCheckBox.CheckedChanged             += allowUppercaseCheckBox_CheckedChanged;
            this.requireUppercaseCheckBox.CheckedChanged           += requireUppercaseCheckBox_CheckedChanged;
            this.allowNumberChceckBox.CheckedChanged               += allowNumberChceckBox_CheckedChanged;
            this.requireNumberCheckBox.CheckedChanged              += requireNumberCheckBox_CheckedChanged;
            this.allowSpecialCharacterCheckBox.CheckedChanged      += allowSpecialCharacterCheckBox_CheckedChanged;
            this.requireSpecialCharacterCheckBox.CheckedChanged    += requireSpecialCharacterCheckBox_CheckedChanged;
            this.allowUnderscoreCharacterCheckBox.CheckedChanged   += allowUnderscoreCharacterCheckBox_CheckedChanged;
            this.requireUnderscoreCharacterCheckBox.CheckedChanged += requireUnderscoreCharacterCheckBox_CheckedChanged;
            this.allowWhitespaceCharacterCheckBox.CheckedChanged   += allowWhitespaceCharacterCheckBox_CheckedChanged;
            this.requireWhitespaceCharacterCheckBox.CheckedChanged += requireWhitespaceCharacterCheckBox_CheckedChanged;
            this.allowOtherCheckBox.CheckedChanged                 += allowOtherCheckBox_CheckedChanged;
            this.requireOtherCheckBox.CheckedChanged               += requireOtherCheckBox_CheckedChanged;
            this.generateButton.Click                              += generateButton_Click;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private
        //////////////////////////////////////////////////////////////////////////////// Event

        #region 소문자 허용 체크 박스 체크 변경시 처리하기 - allowLowercaseCheckBox_CheckedChanged(sender, e)

        /// <summary>
        /// 소문자 허용 체크 박스 체크 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void allowLowercaseCheckBox_CheckedChanged(object sender, EventArgs e)
        {
            if(!this.allowLowercaseCheckBox.Checked)
            {
                this.requireLowercaseCheckBox.Checked = false;
            }
        }

        #endregion
        #region 소문자 필수 체크 박스 체크 변경시 처리하기 - requireLowercaseCheckBox_CheckedChanged(sender, e)

        /// <summary>
        /// 소문자 필수 체크 박스 체크 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void requireLowercaseCheckBox_CheckedChanged(object sender, EventArgs e)
        {
            if(this.requireLowercaseCheckBox.Checked)
            {
                this.allowLowercaseCheckBox.Checked = true;
            }
        }

        #endregion
        #region 대문자 허용 체크 박스 체크 변경시 처리하기 - allowUppercaseCheckBox_CheckedChanged(sender, e)

        /// <summary>
        /// 대문자 허용 체크 박스 체크 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void allowUppercaseCheckBox_CheckedChanged(object sender, EventArgs e)
        {
            if(!this.allowUppercaseCheckBox.Checked)
            {
                this.requireUppercaseCheckBox.Checked = false;
            }
        }

        #endregion
        #region 대문자 필수 체크 박스 체크 변경시 처리하기 - requireUppercaseCheckBox_CheckedChanged(sender, e)

        /// <summary>
        /// 대문자 필수 체크 박스 체크 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void requireUppercaseCheckBox_CheckedChanged(object sender, EventArgs e)
        {
            if(this.requireUppercaseCheckBox.Checked)
            {
                this.allowUppercaseCheckBox.Checked = true;
            }
        }

        #endregion
        #region 숫자 허용 체크 박스 체크 변경시 처리하기 - allowNumberChceckBox_CheckedChanged(sender, e)

        /// <summary>
        /// 숫자 허용 체크 박스 체크 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void allowNumberChceckBox_CheckedChanged(object sender, EventArgs e)
        {
            if(!this.allowNumberChceckBox.Checked)
            {
                this.requireNumberCheckBox.Checked = false;
            }
        }

        #endregion
        #region 숫자 필수 체크 박스 체크 변경시 처리하기 - requireNumberCheckBox_CheckedChanged(sender, e)

        /// <summary>
        /// 숫자 필수 체크 박스 체크 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void requireNumberCheckBox_CheckedChanged(object sender, EventArgs e)
        {
            if(requireNumberCheckBox.Checked)
            {
                this.allowNumberChceckBox.Checked = true;
            }
        }

        #endregion
        #region 특수 문자 허용 체크 박스 체크 변경시 처리하기 - allowSpecialCharacterCheckBox_CheckedChanged(sender, e)

        /// <summary>
        /// 특수 문자 허용 체크 박스 체크 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void allowSpecialCharacterCheckBox_CheckedChanged(object sender, EventArgs e)
        {
            if(!this.allowSpecialCharacterCheckBox.Checked)
            {
                this.requireSpecialCharacterCheckBox.Checked = false;
            }
        }

        #endregion
        #region 특수 문자 필수 체크 박스 체크 변경시 처리하기 - requireSpecialCharacterCheckBox_CheckedChanged(sender, e)

        /// <summary>
        /// 특수 문자 필수 체크 박스 체크 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void requireSpecialCharacterCheckBox_CheckedChanged(object sender, EventArgs e)
        {
            if(this.requireSpecialCharacterCheckBox.Checked)
            {
                this.allowSpecialCharacterCheckBox.Checked = true;
            }
        }

        #endregion
        #region 밑줄 문자 허용 체크 박스 체크 변경시 처리하기 - allowUnderscoreCharacterCheckBox_CheckedChanged(sender, e)

        /// <summary>
        /// 밑줄 문자 허용 체크 박스 체크 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void allowUnderscoreCharacterCheckBox_CheckedChanged(object sender, EventArgs e)
        {
            if(!this.allowUnderscoreCharacterCheckBox.Checked)
            {
                this.requireUnderscoreCharacterCheckBox.Checked = false;
            }
        }

        #endregion
        #region 밑줄 문자 체크 박스 체크 변경시 처리하기 - requireUnderscoreCharacterCheckBox_CheckedChanged(sender, e)

        /// <summary>
        /// 밑줄 문자 체크 박스 체크 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void requireUnderscoreCharacterCheckBox_CheckedChanged(object sender, EventArgs e)
        {
            if(this.requireUnderscoreCharacterCheckBox.Checked)
            {
                this.allowUnderscoreCharacterCheckBox.Checked = true;
            }
        }

        #endregion
        #region 공백 문자 허용 체크 박스 체크 변경시 처리하기 - allowWhitespaceCharacterCheckBox_CheckedChanged(sender, e)

        /// <summary>
        /// 공백 문자 허용 체크 박스 체크 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void allowWhitespaceCharacterCheckBox_CheckedChanged(object sender, EventArgs e)
        {
            if(!this.allowWhitespaceCharacterCheckBox.Checked)
            {
                this.requireWhitespaceCharacterCheckBox.Checked = false;
            }
        }

        #endregion
        #region 공백 문자 필수 체크 박스 체크 변경시 처리하기 - requireWhitespaceCharacterCheckBox_CheckedChanged(sender, e)

        /// <summary>
        /// 공백 문자 필수 체크 박스 체크 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void requireWhitespaceCharacterCheckBox_CheckedChanged(object sender, EventArgs e)
        {
            if(this.requireWhitespaceCharacterCheckBox.Checked)
            {
                this.allowWhitespaceCharacterCheckBox.Checked = true;
            }
        }

        #endregion
        #region 기타 허용 체크 박스 체크 변경시 처리하기 - allowOtherCheckBox_CheckedChanged(sender, e)

        /// <summary>
        /// 기타 허용 체크 박스 체크 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void allowOtherCheckBox_CheckedChanged(object sender, EventArgs e)
        {
            if(!this.allowOtherCheckBox.Checked)
            {
                this.requireOtherCheckBox.Checked = false;
            }
        }

        #endregion
        #region 기타 필수 체크 박스 체크 변경시 처리하기 - requireOtherCheckBox_CheckedChanged(sender, e)

        /// <summary>
        /// 기타 필수 체크 박스 체크 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void requireOtherCheckBox_CheckedChanged(object sender, EventArgs e)
        {
            if(this.requireOtherCheckBox.Checked)
            {
                this.allowOtherCheckBox.Checked = true;
            }
        }

        #endregion
        #region 생성하기 버튼 클릭시 처리하기 - generateButton_Click(sender, e)

        /// <summary>
        /// 생성하기 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void generateButton_Click(object sender, EventArgs e)
        {
            try
            {
                this.passwordTextBox.Text = GetRandomPassword();

                Clipboard.Clear();

                Clipboard.SetText(this.passwordTextBox.Text);
            }
            catch(Exception exception)
            {
                MessageBox.Show(exception.Message);
            }

            this.passwordTextBox.SelectAll();

            this.passwordTextBox.Focus();
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////// Function

        #region 임의 정수 값 구하기 - GetRandomIntegerValue(minimumValue, maximumValue)

        /// <summary>
        /// 임의 정수 값 구하기
        /// </summary>
        /// <param name="minimumValue">최소 값</param>
        /// <param name="maximumValue">최대 값</param>
        /// <returns>임의 정수 값</returns>
        private int GetRandomIntegerValue(int minimumValue, int maximumValue)
        {
            uint scale = uint.MaxValue;

            while(scale == uint.MaxValue)
            {
                byte[] byteArray = new byte[4];

                this.rngCryptoServiceProvider.GetBytes(byteArray);

                scale = BitConverter.ToUInt32(byteArray, 0);
            }

            return (int)(minimumValue + (maximumValue - minimumValue) * (scale / (double)uint.MaxValue));
        }

        #endregion
        #region 임의 문자 구하기 - GetRandomCharacter(source)

        /// <summary>
        /// 임의 문자 구하기
        /// </summary>
        /// <param name="source">소스 문자열</param>
        /// <returns>임의 문자</returns>
        private string GetRandomCharacter(string source)
        {
            return source.Substring(GetRandomIntegerValue(0, source.Length - 1), 1);
        }

        #endregion
        #region 문자열 임의로 섞기 - RandomizeString(source)

        /// <summary>
        /// 문자열 임의로 섞기
        /// </summary>
        /// <param name="source">소스 문자열</param>
        /// <returns>임의로 섞은 문자열</returns>
        private string RandomizeString(string source)
        {
            string target = string.Empty;

            while(source.Length > 0)
            {
                int index = GetRandomIntegerValue(0, source.Length - 1);

                target += source.Substring(index, 1);

                source = source.Remove(index, 1);
            }

            return target;
        }

        #endregion
        #region 임의 패스워드 구하기 - GetRandomPassword()

        /// <summary>
        /// 임의 패스워드 구하기
        /// </summary>
        /// <returns>임의 패스워드</returns>
        private string GetRandomPassword()
        {
            string other = this.otherTextBox.Text;

            if(this.requireOtherCheckBox.Checked && (other.Length < 1))
            {
                MessageBox.Show
                (
                    this,
                    "You cannot require characters from a blank string.",
                    "ERROR",
                    MessageBoxButtons.OK,
                    MessageBoxIcon.Error
                );

                this.otherTextBox.Focus();

                return this.passwordTextBox.Text;
            }

            StringBuilder allowedStringBuilder = new StringBuilder();

            if(this.allowLowercaseCheckBox.Checked)
            {
                allowedStringBuilder.Append(LOWER_CASE_CHARACTER_LIST);
            }

            if(this.allowUppercaseCheckBox.Checked)
            {
                allowedStringBuilder.Append(UPPER_CASE_CHARACTER_LIST);
            }

            if(this.allowNumberChceckBox.Checked)
            {
                allowedStringBuilder.Append(NUMBER_CHARACTER_LIST);
            }

            if(this.allowSpecialCharacterCheckBox.Checked)
            {
                allowedStringBuilder.Append(SPECIAL_CHARACTER_LIST);
            }

            if(this.allowUnderscoreCharacterCheckBox.Checked)
            {
                allowedStringBuilder.Append("_");
            }

            if(this.allowWhitespaceCharacterCheckBox.Checked)
            {
                allowedStringBuilder.Append(" ");
            }

            if(this.allowOtherCheckBox.Checked)
            {
                allowedStringBuilder.Append(other);
            }

            string allowed = allowedStringBuilder.ToString();

            int minimumLength  = int.Parse(minimumLengthTextBox.Text);
            int maximumLength  = int.Parse(maximumLengthTextBox.Text);
            int passwordLength = GetRandomIntegerValue(minimumLength, maximumLength);

            string password = string.Empty;

            if(this.requireLowercaseCheckBox.Checked && (password.IndexOfAny(LOWER_CASE_CHARACTER_LIST.ToCharArray()) == -1))
            {
                password += GetRandomCharacter(LOWER_CASE_CHARACTER_LIST);
            }

            if(requireUppercaseCheckBox.Checked && (password.IndexOfAny(UPPER_CASE_CHARACTER_LIST.ToCharArray()) == -1))
            {
                password += GetRandomCharacter(UPPER_CASE_CHARACTER_LIST);
            }

            if(requireNumberCheckBox.Checked && (password.IndexOfAny(NUMBER_CHARACTER_LIST.ToCharArray()) == -1))
            {
                password += GetRandomCharacter(NUMBER_CHARACTER_LIST);
            }

            if(requireSpecialCharacterCheckBox.Checked && (password.IndexOfAny(SPECIAL_CHARACTER_LIST.ToCharArray()) == -1))
            {
                password += GetRandomCharacter(SPECIAL_CHARACTER_LIST);
            }

            if(requireUnderscoreCharacterCheckBox.Checked && (password.IndexOfAny("_".ToCharArray()) == -1))
            {
                password += "_";
            }

            if(requireWhitespaceCharacterCheckBox.Checked && (password.IndexOfAny(" ".ToCharArray()) == -1))
            {
                password += " ";
            }

            if(requireOtherCheckBox.Checked && (password.IndexOfAny(other.ToCharArray()) == -1))
            {
                password += GetRandomCharacter(other);
            }

            while(password.Length < passwordLength)
            {
                password += allowed.Substring(GetRandomIntegerValue(0, allowed.Length - 1), 1);
            }

            password = RandomizeString(password);

            return password;
        }

        #endregion
    }
}

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using System;

using System.Security.Cryptography;

using System.Text;

using System.Windows.Forms;

namespace TestProject

{

/// <summary>

/// 메인 폼

/// </summary>

public partial class MainForm : Form

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Private

#region Field

/// <summary>

/// 소문자 목록

/// </summary>

private const string LOWER_CASE_CHARACTER_LIST = "abcdefghijklmnopqrstuvwxyz";

/// <summary>

/// 대문자 목록

/// </summary>

private const string UPPER_CASE_CHARACTER_LIST = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";

/// <summary>

/// 숫자 문자 목록

/// </summary>

private const string NUMBER_CHARACTER_LIST = "0123456789";

/// <summary>

/// 특수 문자 목록

/// </summary>

private const string SPECIAL_CHARACTER_LIST = @"~!@#$%^&*():;[]{}<>,.?/\|";

/// <summary>

/// RNG 암호 서비스 공급자

/// </summary>

private RNGCryptoServiceProvider rngCryptoServiceProvider = new RNGCryptoServiceProvider();

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainForm()

/// <summary>

/// 생성자

/// </summary>

public MainForm()

{

InitializeComponent();

this.allowLowercaseCheckBox.CheckedChanged += allowLowercaseCheckBox_CheckedChanged;

this.requireLowercaseCheckBox.CheckedChanged += requireLowercaseCheckBox_CheckedChanged;

this.allowUppercaseCheckBox.CheckedChanged += allowUppercaseCheckBox_CheckedChanged;

this.requireUppercaseCheckBox.CheckedChanged += requireUppercaseCheckBox_CheckedChanged;

this.allowNumberChceckBox.CheckedChanged += allowNumberChceckBox_CheckedChanged;

this.requireNumberCheckBox.CheckedChanged += requireNumberCheckBox_CheckedChanged;

this.allowSpecialCharacterCheckBox.CheckedChanged += allowSpecialCharacterCheckBox_CheckedChanged;

this.requireSpecialCharacterCheckBox.CheckedChanged += requireSpecialCharacterCheckBox_CheckedChanged;

this.allowUnderscoreCharacterCheckBox.CheckedChanged += allowUnderscoreCharacterCheckBox_CheckedChanged;

this.requireUnderscoreCharacterCheckBox.CheckedChanged += requireUnderscoreCharacterCheckBox_CheckedChanged;

this.allowWhitespaceCharacterCheckBox.CheckedChanged += allowWhitespaceCharacterCheckBox_CheckedChanged;

this.requireWhitespaceCharacterCheckBox.CheckedChanged += requireWhitespaceCharacterCheckBox_CheckedChanged;

this.allowOtherCheckBox.CheckedChanged += allowOtherCheckBox_CheckedChanged;

this.requireOtherCheckBox.CheckedChanged += requireOtherCheckBox_CheckedChanged;

this.generateButton.Click += generateButton_Click;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Private

//////////////////////////////////////////////////////////////////////////////// Event

#region 소문자 허용 체크 박스 체크 변경시 처리하기 - allowLowercaseCheckBox_CheckedChanged(sender, e)

/// <summary>

/// 소문자 허용 체크 박스 체크 변경시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void allowLowercaseCheckBox_CheckedChanged(object sender, EventArgs e)

{

if(!this.allowLowercaseCheckBox.Checked)

{

this.requireLowercaseCheckBox.Checked = false;

}

#endregion

#region 소문자 필수 체크 박스 체크 변경시 처리하기 - requireLowercaseCheckBox_CheckedChanged(sender, e)

/// <summary>

/// 소문자 필수 체크 박스 체크 변경시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void requireLowercaseCheckBox_CheckedChanged(object sender, EventArgs e)

{

if(this.requireLowercaseCheckBox.Checked)

{

this.allowLowercaseCheckBox.Checked = true;

}

#endregion

#region 대문자 허용 체크 박스 체크 변경시 처리하기 - allowUppercaseCheckBox_CheckedChanged(sender, e)

/// <summary>

/// 대문자 허용 체크 박스 체크 변경시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void allowUppercaseCheckBox_CheckedChanged(object sender, EventArgs e)

{

if(!this.allowUppercaseCheckBox.Checked)

{

this.requireUppercaseCheckBox.Checked = false;

}

#endregion

#region 대문자 필수 체크 박스 체크 변경시 처리하기 - requireUppercaseCheckBox_CheckedChanged(sender, e)

/// <summary>

/// 대문자 필수 체크 박스 체크 변경시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void requireUppercaseCheckBox_CheckedChanged(object sender, EventArgs e)

{

if(this.requireUppercaseCheckBox.Checked)

{

this.allowUppercaseCheckBox.Checked = true;

}

#endregion

#region 숫자 허용 체크 박스 체크 변경시 처리하기 - allowNumberChceckBox_CheckedChanged(sender, e)

/// <summary>

/// 숫자 허용 체크 박스 체크 변경시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void allowNumberChceckBox_CheckedChanged(object sender, EventArgs e)

{

if(!this.allowNumberChceckBox.Checked)

{

this.requireNumberCheckBox.Checked = false;

}

#endregion

#region 숫자 필수 체크 박스 체크 변경시 처리하기 - requireNumberCheckBox_CheckedChanged(sender, e)

/// <summary>

/// 숫자 필수 체크 박스 체크 변경시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void requireNumberCheckBox_CheckedChanged(object sender, EventArgs e)

{

if(requireNumberCheckBox.Checked)

{

this.allowNumberChceckBox.Checked = true;

}

#endregion

#region 특수 문자 허용 체크 박스 체크 변경시 처리하기 - allowSpecialCharacterCheckBox_CheckedChanged(sender, e)

/// <summary>

/// 특수 문자 허용 체크 박스 체크 변경시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void allowSpecialCharacterCheckBox_CheckedChanged(object sender, EventArgs e)

{

if(!this.allowSpecialCharacterCheckBox.Checked)

{

this.requireSpecialCharacterCheckBox.Checked = false;

}

#endregion

#region 특수 문자 필수 체크 박스 체크 변경시 처리하기 - requireSpecialCharacterCheckBox_CheckedChanged(sender, e)

/// <summary>

/// 특수 문자 필수 체크 박스 체크 변경시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void requireSpecialCharacterCheckBox_CheckedChanged(object sender, EventArgs e)

{

if(this.requireSpecialCharacterCheckBox.Checked)

{

this.allowSpecialCharacterCheckBox.Checked = true;

}

#endregion

#region 밑줄 문자 허용 체크 박스 체크 변경시 처리하기 - allowUnderscoreCharacterCheckBox_CheckedChanged(sender, e)

/// <summary>

/// 밑줄 문자 허용 체크 박스 체크 변경시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void allowUnderscoreCharacterCheckBox_CheckedChanged(object sender, EventArgs e)

{

if(!this.allowUnderscoreCharacterCheckBox.Checked)

{

this.requireUnderscoreCharacterCheckBox.Checked = false;

}

#endregion

#region 밑줄 문자 체크 박스 체크 변경시 처리하기 - requireUnderscoreCharacterCheckBox_CheckedChanged(sender, e)

/// <summary>

/// 밑줄 문자 체크 박스 체크 변경시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void requireUnderscoreCharacterCheckBox_CheckedChanged(object sender, EventArgs e)

{

if(this.requireUnderscoreCharacterCheckBox.Checked)

{

this.allowUnderscoreCharacterCheckBox.Checked = true;

}

#endregion

#region 공백 문자 허용 체크 박스 체크 변경시 처리하기 - allowWhitespaceCharacterCheckBox_CheckedChanged(sender, e)

/// <summary>

/// 공백 문자 허용 체크 박스 체크 변경시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void allowWhitespaceCharacterCheckBox_CheckedChanged(object sender, EventArgs e)

{

if(!this.allowWhitespaceCharacterCheckBox.Checked)

{

this.requireWhitespaceCharacterCheckBox.Checked = false;

}

#endregion

#region 공백 문자 필수 체크 박스 체크 변경시 처리하기 - requireWhitespaceCharacterCheckBox_CheckedChanged(sender, e)

/// <summary>

/// 공백 문자 필수 체크 박스 체크 변경시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void requireWhitespaceCharacterCheckBox_CheckedChanged(object sender, EventArgs e)

{

if(this.requireWhitespaceCharacterCheckBox.Checked)

{

this.allowWhitespaceCharacterCheckBox.Checked = true;

}

#endregion

#region 기타 허용 체크 박스 체크 변경시 처리하기 - allowOtherCheckBox_CheckedChanged(sender, e)

/// <summary>

/// 기타 허용 체크 박스 체크 변경시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void allowOtherCheckBox_CheckedChanged(object sender, EventArgs e)

{

if(!this.allowOtherCheckBox.Checked)

{

this.requireOtherCheckBox.Checked = false;

}

#endregion

#region 기타 필수 체크 박스 체크 변경시 처리하기 - requireOtherCheckBox_CheckedChanged(sender, e)

/// <summary>

/// 기타 필수 체크 박스 체크 변경시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void requireOtherCheckBox_CheckedChanged(object sender, EventArgs e)

{

if(this.requireOtherCheckBox.Checked)

{

this.allowOtherCheckBox.Checked = true;

}

#endregion

#region 생성하기 버튼 클릭시 처리하기 - generateButton_Click(sender, e)

/// <summary>

/// 생성하기 버튼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void generateButton_Click(object sender, EventArgs e)

{

try

{

this.passwordTextBox.Text = GetRandomPassword();

Clipboard.Clear();

Clipboard.SetText(this.passwordTextBox.Text);

}

catch(Exception exception)

{

MessageBox.Show(exception.Message);

}

this.passwordTextBox.SelectAll();

this.passwordTextBox.Focus();

}

#endregion

//////////////////////////////////////////////////////////////////////////////// Function

#region 임의 정수 값 구하기 - GetRandomIntegerValue(minimumValue, maximumValue)

/// <summary>

/// 임의 정수 값 구하기

/// </summary>

/// <param name="minimumValue">최소 값</param>

/// <param name="maximumValue">최대 값</param>

/// <returns>임의 정수 값</returns>

private int GetRandomIntegerValue(int minimumValue, int maximumValue)

{

uint scale = uint.MaxValue;

while(scale == uint.MaxValue)

{

byte[] byteArray = new byte[4];

this.rngCryptoServiceProvider.GetBytes(byteArray);

scale = BitConverter.ToUInt32(byteArray, 0);

}

return (int)(minimumValue + (maximumValue - minimumValue) * (scale / (double)uint.MaxValue));

}

#endregion

#region 임의 문자 구하기 - GetRandomCharacter(source)

/// <summary>

/// 임의 문자 구하기

/// </summary>

/// <param name="source">소스 문자열</param>

/// <returns>임의 문자</returns>

private string GetRandomCharacter(string source)

{

return source.Substring(GetRandomIntegerValue(0, source.Length - 1), 1);

}

#endregion

#region 문자열 임의로 섞기 - RandomizeString(source)

/// <summary>

/// 문자열 임의로 섞기

/// </summary>

/// <param name="source">소스 문자열</param>

/// <returns>임의로 섞은 문자열</returns>

private string RandomizeString(string source)

{

string target = string.Empty;

while(source.Length > 0)

{

int index = GetRandomIntegerValue(0, source.Length - 1);

target += source.Substring(index, 1);

source = source.Remove(index, 1);

}

return target;

}

#endregion

#region 임의 패스워드 구하기 - GetRandomPassword()

/// <summary>

/// 임의 패스워드 구하기

/// </summary>

/// <returns>임의 패스워드</returns>

private string GetRandomPassword()

{

string other = this.otherTextBox.Text;

if(this.requireOtherCheckBox.Checked && (other.Length < 1))

{

MessageBox.Show

(

this,

"You cannot require characters from a blank string.",

"ERROR",

MessageBoxButtons.OK,

MessageBoxIcon.Error

);

this.otherTextBox.Focus();

return this.passwordTextBox.Text;

}

StringBuilder allowedStringBuilder = new StringBuilder();

if(this.allowLowercaseCheckBox.Checked)

{

allowedStringBuilder.Append(LOWER_CASE_CHARACTER_LIST);

}

if(this.allowUppercaseCheckBox.Checked)

{

allowedStringBuilder.Append(UPPER_CASE_CHARACTER_LIST);

}

if(this.allowNumberChceckBox.Checked)

{

allowedStringBuilder.Append(NUMBER_CHARACTER_LIST);

}

if(this.allowSpecialCharacterCheckBox.Checked)

{

allowedStringBuilder.Append(SPECIAL_CHARACTER_LIST);

}

if(this.allowUnderscoreCharacterCheckBox.Checked)

{

allowedStringBuilder.Append("_");

}

if(this.allowWhitespaceCharacterCheckBox.Checked)

{

allowedStringBuilder.Append(" ");

}

if(this.allowOtherCheckBox.Checked)

{

allowedStringBuilder.Append(other);

}

string allowed = allowedStringBuilder.ToString();

int minimumLength = int.Parse(minimumLengthTextBox.Text);

int maximumLength = int.Parse(maximumLengthTextBox.Text);

int passwordLength = GetRandomIntegerValue(minimumLength, maximumLength);

string password = string.Empty;

if(this.requireLowercaseCheckBox.Checked && (password.IndexOfAny(LOWER_CASE_CHARACTER_LIST.ToCharArray()) == -1))

{

password += GetRandomCharacter(LOWER_CASE_CHARACTER_LIST);

}

if(requireUppercaseCheckBox.Checked && (password.IndexOfAny(UPPER_CASE_CHARACTER_LIST.ToCharArray()) == -1))

{

password += GetRandomCharacter(UPPER_CASE_CHARACTER_LIST);

}

if(requireNumberCheckBox.Checked && (password.IndexOfAny(NUMBER_CHARACTER_LIST.ToCharArray()) == -1))

{

password += GetRandomCharacter(NUMBER_CHARACTER_LIST);

}

if(requireSpecialCharacterCheckBox.Checked && (password.IndexOfAny(SPECIAL_CHARACTER_LIST.ToCharArray()) == -1))

{

password += GetRandomCharacter(SPECIAL_CHARACTER_LIST);

}

if(requireUnderscoreCharacterCheckBox.Checked && (password.IndexOfAny("_".ToCharArray()) == -1))

{

password += "_";

}

if(requireWhitespaceCharacterCheckBox.Checked && (password.IndexOfAny(" ".ToCharArray()) == -1))

{

password += " ";

}

if(requireOtherCheckBox.Checked && (password.IndexOfAny(other.ToCharArray()) == -1))

{

password += GetRandomCharacter(other);

}

while(password.Length < passwordLength)

{

password += allowed.Substring(GetRandomIntegerValue(0, allowed.Length - 1), 1);

}

password = RandomizeString(password);

return password;

}

#endregion

}

TestProject.zip

[C#/WINFORM/.NET6] 이미지 RTF 구하기

■ Image 객체에서 이미지의 RTF를 구하는 방법을 보여준다. ▶ 예제 코드 (C#)


using System.Drawing.Imaging;
using System.Runtime.InteropServices;
using System.Text;

#region 이미지 RTF 구하기 - GetImageRTF(image)

/// <summary>
/// 이미지 RTF 구하기
/// </summary>
/// <param name="image">이미지</param>
/// <returns>이미지 RTF</returns>
public string GetImageRTF(Image image)
{
    const int MM_ISOTROPIC   = 7; // 메타 파일이 1:1 종횡비를 유지하는지 확인한다.
    const int MM_ANISOTROPIC = 8; // 메타 파일의 X 좌표와 Y 좌표를 독립적으로 조정할 수 있습니다.

    int mappingMode = MM_ANISOTROPIC;

    MemoryStream stream   = null;
    Graphics     graphics = null;
    Metafile     metaFile = null;
    IntPtr       deviceContextHandle;

    try
    {
        StringBuilder stringBuilder = new StringBuilder();

        stream = new MemoryStream();

        using(graphics = Graphics.FromHwnd(new IntPtr(0)))
        {
            deviceContextHandle = graphics.GetHdc();

            metaFile = new Metafile(stream, deviceContextHandle);

            graphics.ReleaseHdc(deviceContextHandle);
        }

        using(graphics = Graphics.FromImage(metaFile))
        {
            graphics.DrawImage(image, new Rectangle(0, 0, image.Width, image.Height));
        }

        IntPtr emfHandle = metaFile.GetHenhmetafile();

        uint bufferSize = GdipEmfToWmfBits(emfHandle, 0, null, mappingMode, EMFToWMFBitsFlag.Default);

        byte[] bufferByteArray = new byte[bufferSize];

        GdipEmfToWmfBits(emfHandle, bufferSize, bufferByteArray, mappingMode, EMFToWMFBitsFlag.Default);

        for(int i = 0; i < bufferByteArray.Length; ++i)
        {
            stringBuilder.Append(string.Format("{0:X2}", bufferByteArray[i]));
        }

        return stringBuilder.ToString();
    }
    finally
    {
        if(graphics != null)
        {
            graphics.Dispose();
        }

        if(metaFile != null)
        {
            metaFile.Dispose();
        }

        if(stream != null)
        {
            stream.Close();
        }
    }
}

#endregion

/// <summary>
/// EMF→WMF 비트 플래그
/// </summary>
public enum EMFToWMFBitsFlag
{
    /// <summary>
    /// Default
    /// </summary>
    Default = 0x00000000,

    /// <summary>
    /// Embed EMF
    /// </summary>
    EmbedEMF = 0x00000001,

    /// <summary>
    /// Include Placeable
    /// </summary>
    IncludePlaceable = 0x00000002,

    /// <summary>
    /// No XOR Clip
    /// </summary>
    NoXORClip = 0x00000004
};

#region GDI+ EMF→WMF 변환하기 - GdipEmfToWmfBits(emfHandle, bufferSize, bufferByteArray, mappingMode, flag)

/// <summary>
/// GDI+ EMF→WMF 변환하기
/// </summary>
/// <param name="emfHandle">EMF 핸들</param>
/// <param name="bufferSize">버퍼 크기</param>
/// <param name="bufferByteArray">버퍼 바이트 배열</param>
/// <param name="mappingMode">매핑 모드</param>
/// <param name="flag">플래그</param>
/// <returns>처리 결과</returns>
[DllImport("gdiplus")]
private static extern uint GdipEmfToWmfBits(IntPtr emfHandle, uint bufferSize, byte[] bufferByteArray, int mappingMode, EMFToWMFBitsFlag flag);

#endregion

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using System.Drawing.Imaging;

using System.Runtime.InteropServices;

using System.Text;

#region 이미지 RTF 구하기 - GetImageRTF(image)

/// <summary>

/// 이미지 RTF 구하기

/// </summary>

/// <param name="image">이미지</param>

/// <returns>이미지 RTF</returns>

public string GetImageRTF(Image image)

{

const int MM_ISOTROPIC = 7; // 메타 파일이 1:1 종횡비를 유지하는지 확인한다.

const int MM_ANISOTROPIC = 8; // 메타 파일의 X 좌표와 Y 좌표를 독립적으로 조정할 수 있습니다.

int mappingMode = MM_ANISOTROPIC;

MemoryStream stream = null;

Graphics graphics = null;

Metafile metaFile = null;

IntPtr deviceContextHandle;

try

{

StringBuilder stringBuilder = new StringBuilder();

stream = new MemoryStream();

using(graphics = Graphics.FromHwnd(new IntPtr(0)))

{

deviceContextHandle = graphics.GetHdc();

metaFile = new Metafile(stream, deviceContextHandle);

graphics.ReleaseHdc(deviceContextHandle);

}

using(graphics = Graphics.FromImage(metaFile))

{

graphics.DrawImage(image, new Rectangle(0, 0, image.Width, image.Height));

}

IntPtr emfHandle = metaFile.GetHenhmetafile();

uint bufferSize = GdipEmfToWmfBits(emfHandle, 0, null, mappingMode, EMFToWMFBitsFlag.Default);

byte[] bufferByteArray = new byte[bufferSize];

GdipEmfToWmfBits(emfHandle, bufferSize, bufferByteArray, mappingMode, EMFToWMFBitsFlag.Default);

for(int i = 0; i < bufferByteArray.Length; ++i)

{

stringBuilder.Append(string.Format("{0:X2}", bufferByteArray[i]));

}

return stringBuilder.ToString();

}

finally

{

if(graphics != null)

{

graphics.Dispose();

}

if(metaFile != null)

{

metaFile.Dispose();

}

if(stream != null)

{

stream.Close();

}

#endregion

/// <summary>

/// EMF→WMF 비트 플래그

/// </summary>

public enum EMFToWMFBitsFlag

{

/// <summary>

/// Default

/// </summary>

Default = 0x00000000,

/// <summary>

/// Embed EMF

/// </summary>

EmbedEMF = 0x00000001,

/// <summary>

/// Include Placeable

/// </summary>

IncludePlaceable = 0x00000002,

/// <summary>

/// No XOR Clip

/// </summary>

NoXORClip = 0x00000004

};

#region GDI+ EMF→WMF 변환하기 - GdipEmfToWmfBits(emfHandle, bufferSize, bufferByteArray, mappingMode, flag)

/// <summary>

/// GDI+ EMF→WMF 변환하기

/// </summary>

/// <param name="emfHandle">EMF 핸들</param>

/// <param name="bufferSize">버퍼 크기</param>

/// <param name="bufferByteArray">버퍼 바이트 배열</param>

/// <param name="mappingMode">매핑 모드</param>

/// <param name="flag">플래그</param>

/// <returns>처리 결과</returns>

[DllImport("gdiplus")]

private static extern uint GdipEmfToWmfBits(IntPtr emfHandle, uint bufferSize, byte[] bufferByteArray, int mappingMode, EMFToWMFBitsFlag flag);

#endregion

[C#/WINFORM/.NET6] 마우스 이벤트 발생시키기

■ 마우스 이벤트를 발생시키는 방법을 보여준다. ▶ MouseEventFlags.cs


namespace TestProject;

/// <summary>
/// 마우스 이벤트 플래그
/// </summary>
[Flags]
public enum MouseEventFlags
{
    /// <summary>
    /// 이동
    /// </summary>
    Move = 0x00000001,

    /// <summary>
    /// 왼쪽 DOWN
    /// </summary>
    LeftDown = 0x00000002,

    /// <summary>
    /// 왼쪽 UP
    /// </summary>
    LeftUp = 0x00000004,

    /// <summary>
    /// 오른쪽 DOWN
    /// </summary>
    RightDown = 0x00000008,

    /// <summary>
    /// 오른쪽 UP
    /// </summary>
    RightUp = 0x00000010,

    /// <summary>
    /// 가운데 DOWN
    /// </summary>
    MiddleDown = 0x00000020,

    /// <summary>
    /// 가운데 UP
    /// </summary>
    MiddleUp = 0x00000040,

    /// <summary>
    /// 절대
    /// </summary>
    Absolute = 0x00008000
};

namespace TestProject;

/// <summary>

/// 마우스 이벤트 플래그

/// </summary>

[Flags]

public enum MouseEventFlags

{

/// <summary>

/// 이동

/// </summary>

Move = 0x00000001,

/// <summary>

/// 왼쪽 DOWN

/// </summary>

LeftDown = 0x00000002,

/// <summary>

/// 왼쪽 UP

/// </summary>

LeftUp = 0x00000004,

/// <summary>

/// 오른쪽 DOWN

/// </summary>

RightDown = 0x00000008,

/// <summary>

/// 오른쪽 UP

/// </summary>

RightUp = 0x00000010,

/// <summary>

/// 가운데 DOWN

/// </summary>

MiddleDown = 0x00000020,

/// <summary>

/// 가운데 UP

/// </summary>

MiddleUp = 0x00000040,

/// <summary>

/// 절대

/// </summary>

Absolute = 0x00008000

};

▶ MousePoint.cs


using System.Runtime.InteropServices;

namespace TestProject;

/// <summary>
/// 마우스 포인트
/// </summary>
[StructLayout(LayoutKind.Sequential)]
public struct MousePoint
{
    //////////////////////////////////////////////////////////////////////////////////////////////////// Field
    ////////////////////////////////////////////////////////////////////////////////////////// Public

    #region Field

    /// <summary>
    /// X
    /// </summary>
    public int X;

    /// <summary>
    /// Y
    /// </summary>
    public int Y;

    #endregion

    //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
    ////////////////////////////////////////////////////////////////////////////////////////// Public

    #region 생성자 - MousePoint(x, y)

    /// <summary>
    /// 생성자
    /// </summary>
    /// <param name="x">X</param>
    /// <param name="y">Y</param>
    public MousePoint(int x, int y)
    {
        X = x;
        Y = y;
    }

    #endregion
}

using System.Runtime.InteropServices;

namespace TestProject;

/// <summary>

/// 마우스 포인트

/// </summary>

[StructLayout(LayoutKind.Sequential)]

public struct MousePoint

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Public

#region Field

/// <summary>

/// X

/// </summary>

public int X;

/// <summary>

/// Y

/// </summary>

public int Y;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MousePoint(x, y)

/// <summary>

/// 생성자

/// </summary>

/// <param name="x">X</param>

/// <param name="y">Y</param>

public MousePoint(int x, int y)

{

X = x;

Y = y;

}

#endregion

}

▶ MouseHelper.cs


using System.Runtime.InteropServices;

namespace TestProject;

/// <summary>
/// 마우스 헬퍼
/// </summary>
public static class MouseHelper
{
    //////////////////////////////////////////////////////////////////////////////////////////////////// Import
    ////////////////////////////////////////////////////////////////////////////////////////// Static
    //////////////////////////////////////////////////////////////////////////////// Private

    #region 커서 위치 설정하기 - SetCursorPos(x, y)

    /// <summary>
    /// 커서 위치 설정하기
    /// </summary>
    /// <param name="x">X</param>
    /// <param name="y">Y</param>
    /// <returns>처리 결과</returns>
    [DllImport("user32", EntryPoint = "SetCursorPos")]
    [return: MarshalAs(UnmanagedType.Bool)]
    private static extern bool SetCursorPos(int x, int y);

    #endregion
    #region 커서 위치 구하기 - GetCursorPos(mousePoint)

    /// <summary>
    /// 커서 위치 구하기
    /// </summary>
    /// <param name="mousePoint">마우스 포인트</param>
    /// <returns>처리 결과</returns>
    [DllImport("user32")]
    [return: MarshalAs(UnmanagedType.Bool)]
    private static extern bool GetCursorPos(out MousePoint mousePoint);

    #endregion
    #region 마우스 이벤트 발생시키기 - mouse_event(flag, deltaX, deltaY, data, extraInformation)

    /// <summary>
    /// 마우스 이벤트 발생시키기
    /// </summary>
    /// <param name="flag">플래그</param>
    /// <param name="deltaX">델타 X</param>
    /// <param name="deltaY">델타 Y</param>
    /// <param name="data">데이터</param>
    /// <param name="extraInformation">부가 정보</param>
    [DllImport("user32")]
    private static extern void mouse_event(int flag, int deltaX, int deltaY, int data, int extraInformation);

    #endregion

    //////////////////////////////////////////////////////////////////////////////////////////////////// Method
    ////////////////////////////////////////////////////////////////////////////////////////// Static
    //////////////////////////////////////////////////////////////////////////////// Public

    #region 커서 위치 설정하기 - SetCursorPosition(mousePoint)

    /// <summary>
    /// 커서 위치 설정하기
    /// </summary>
    /// <param name="mousePoint">마우스 포인트</param>
    public static void SetCursorPosition(MousePoint mousePoint)
    {
        SetCursorPos(mousePoint.X, mousePoint.Y);
    }

    #endregion
    #region 커서 위치 설정하기 - SetCursorPosition(x, y)

    /// <summary>
    /// 커서 위치 설정하기
    /// </summary>
    /// <param name="x">X</param>
    /// <param name="y">Y</param>
    public static void SetCursorPosition(int x, int y)
    {
        SetCursorPos(x, y);
    }

    #endregion
    #region 커서 위치 구하기 - GetCursorPosition()

    /// <summary>
    /// 커서 위치 구하기
    /// </summary>
    /// <returns>마우스 포인트</returns>
    public static MousePoint GetCursorPosition()
    {
        MousePoint mousePoint;

        bool result = GetCursorPos(out mousePoint);

        if(!result)
        {
            mousePoint = new MousePoint(0, 0);
        }

        return mousePoint;
    }

    #endregion
    #region 마우스 이벤트 발생시키기 - MouseEvent(flag)

    /// <summary>
    /// 마우스 이벤트 발생시키기
    /// </summary>
    /// <param name="flag">플래그</param>
    public static void MouseEvent(MouseEventFlags flag)
    {
        MousePoint mousePoint = GetCursorPosition();

        mouse_event((int)flag, mousePoint.X, mousePoint.Y, 0, 0);
    }

    #endregion
}

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using System.Runtime.InteropServices;

namespace TestProject;

/// <summary>

/// 마우스 헬퍼

/// </summary>

public static class MouseHelper

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Import

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Private

#region 커서 위치 설정하기 - SetCursorPos(x, y)

/// <summary>

/// 커서 위치 설정하기

/// </summary>

/// <param name="x">X</param>

/// <param name="y">Y</param>

/// <returns>처리 결과</returns>

[DllImport("user32", EntryPoint = "SetCursorPos")]

[return: MarshalAs(UnmanagedType.Bool)]

private static extern bool SetCursorPos(int x, int y);

#endregion

#region 커서 위치 구하기 - GetCursorPos(mousePoint)

/// <summary>

/// 커서 위치 구하기

/// </summary>

/// <param name="mousePoint">마우스 포인트</param>

/// <returns>처리 결과</returns>

[DllImport("user32")]

[return: MarshalAs(UnmanagedType.Bool)]

private static extern bool GetCursorPos(out MousePoint mousePoint);

#endregion

#region 마우스 이벤트 발생시키기 - mouse_event(flag, deltaX, deltaY, data, extraInformation)

/// <summary>

/// 마우스 이벤트 발생시키기

/// </summary>

/// <param name="flag">플래그</param>

/// <param name="deltaX">델타 X</param>

/// <param name="deltaY">델타 Y</param>

/// <param name="data">데이터</param>

/// <param name="extraInformation">부가 정보</param>

[DllImport("user32")]

private static extern void mouse_event(int flag, int deltaX, int deltaY, int data, int extraInformation);

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Public

#region 커서 위치 설정하기 - SetCursorPosition(mousePoint)

/// <summary>

/// 커서 위치 설정하기

/// </summary>

/// <param name="mousePoint">마우스 포인트</param>

public static void SetCursorPosition(MousePoint mousePoint)

{

SetCursorPos(mousePoint.X, mousePoint.Y);

}

#endregion

#region 커서 위치 설정하기 - SetCursorPosition(x, y)

/// <summary>

/// 커서 위치 설정하기

/// </summary>

/// <param name="x">X</param>

/// <param name="y">Y</param>

public static void SetCursorPosition(int x, int y)

{

SetCursorPos(x, y);

}

#endregion

#region 커서 위치 구하기 - GetCursorPosition()

/// <summary>

/// 커서 위치 구하기

/// </summary>

/// <returns>마우스 포인트</returns>

public static MousePoint GetCursorPosition()

{

MousePoint mousePoint;

bool result = GetCursorPos(out mousePoint);

if(!result)

{

mousePoint = new MousePoint(0, 0);

}

return mousePoint;

}

#endregion

#region 마우스 이벤트 발생시키기 - MouseEvent(flag)

/// <summary>

/// 마우스 이벤트 발생시키기

/// </summary>

/// <param name="flag">플래그</param>

public static void MouseEvent(MouseEventFlags flag)

{

MousePoint mousePoint = GetCursorPosition();

mouse_event((int)flag, mousePoint.X, mousePoint.Y, 0, 0);

}

#endregion

}

▶ MainForm.cs


namespace TestProject
{
    /// <summary>
    /// 메인 폼
    /// </summary>
    public partial class MainForm : Form
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainForm()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainForm()
        {
            InitializeComponent();

            this.executeButton.Click     += executeButton_Click;
            this.showMessageButton.Click += showMessageButton_Click;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region 실행 버튼 클릭시 처리하기 - executeButton_Click(sender, e)

        /// <summary>
        /// 실행 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void executeButton_Click(object sender, EventArgs e)
        {
            Point clientPoint = this.showMessageButton.Location;
            Point screenPoint = PointToScreen(clientPoint);

            screenPoint.X += this.showMessageButton.Width  / 2;
            screenPoint.Y += this.showMessageButton.Height / 2;

            MouseHelper.SetCursorPosition(screenPoint.X, screenPoint.Y);

            MouseHelper.MouseEvent(MouseEventFlags.LeftDown);
            MouseHelper.MouseEvent(MouseEventFlags.LeftUp  );
        }

        #endregion
        #region 메시지 표시 버튼 클릭시 처리하기 - showMessageButton_Click(sender, e)

        /// <summary>
        /// 메시지 표시 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void showMessageButton_Click(object sender, EventArgs e)
        {
            MessageBox.Show(this, DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));
        }

        #endregion
    }
}

namespace TestProject

{

/// <summary>

/// 메인 폼

/// </summary>

public partial class MainForm : Form

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainForm()

/// <summary>

/// 생성자

/// </summary>

public MainForm()

{

InitializeComponent();

this.executeButton.Click += executeButton_Click;

this.showMessageButton.Click += showMessageButton_Click;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Private

#region 실행 버튼 클릭시 처리하기 - executeButton_Click(sender, e)

/// <summary>

/// 실행 버튼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void executeButton_Click(object sender, EventArgs e)

{

Point clientPoint = this.showMessageButton.Location;

Point screenPoint = PointToScreen(clientPoint);

screenPoint.X += this.showMessageButton.Width / 2;

screenPoint.Y += this.showMessageButton.Height / 2;

MouseHelper.SetCursorPosition(screenPoint.X, screenPoint.Y);

MouseHelper.MouseEvent(MouseEventFlags.LeftDown);

MouseHelper.MouseEvent(MouseEventFlags.LeftUp );

}

#endregion

#region 메시지 표시 버튼 클릭시 처리하기 - showMessageButton_Click(sender, e)

/// <summary>

/// 메시지 표시 버튼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void showMessageButton_Click(object sender, EventArgs e)

{

MessageBox.Show(this, DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));

}

#endregion

}

TestProject.zip

[C#/WINFORM/.NET6] Point 구조체 : 선의 왼쪽 포인트 여부 구하기

■ Point 구조체를 사용해 선의 왼쪽 포인트 여부를 구하는 방법을 보여준다. ▶ Program.cs


using System.Drawing;

namespace TestProject;

/// <summary>
/// 프로그램
/// </summary>
class Program
{
    //////////////////////////////////////////////////////////////////////////////////////////////////// Method
    ////////////////////////////////////////////////////////////////////////////////////////// Static
    //////////////////////////////////////////////////////////////////////////////// Private

    #region 왼쪽 포인트 여부 구하기 - IsLeftPoint(lineStartPoint, lineEndPoint, sourcePoint)

    /// <summary>
    /// 왼쪽 포인트 여부 구하기
    /// </summary>
    /// <param name="lineStartPoint">선 시작 포인트</param>
    /// <param name="lineEndPoint">선 종료 포인트</param>
    /// <param name="sourcePoint">소스 포인트</param>
    /// <returns>왼쪽 포인트 여부</returns>
    /// <remarks>데카르트 좌표계 기준이다.</remarks>
    private static bool IsLeftPoint(Point lineStartPoint, Point lineEndPoint, Point sourcePoint)
    {
         return
         (
            (lineEndPoint.X - lineStartPoint.X) * (sourcePoint.Y - lineStartPoint.Y) -
            (lineEndPoint.Y - lineStartPoint.Y) * (sourcePoint.X - lineStartPoint.X)
         ) > 0;
    }

    #endregion
    #region 프로그램 시작하기 - Main()

    /// <summary>
    /// 프로그램 시작하기
    /// </summary>
    private static void Main()
    {
        Point lineStartPoint = new Point(0  , 0  );
        Point lineEndPoint   = new Point(100, 100);

        Console.WriteLine(IsLeftPoint(lineStartPoint, lineEndPoint, new Point(0  , 100)));
        Console.WriteLine(IsLeftPoint(lineStartPoint, lineEndPoint, new Point(100, 0  )));
    }

    #endregion
}

using System.Drawing;

namespace TestProject;

/// <summary>

/// 프로그램

/// </summary>

class Program

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Private

#region 왼쪽 포인트 여부 구하기 - IsLeftPoint(lineStartPoint, lineEndPoint, sourcePoint)

/// <summary>

/// 왼쪽 포인트 여부 구하기

/// </summary>

/// <param name="lineStartPoint">선 시작 포인트</param>

/// <param name="lineEndPoint">선 종료 포인트</param>

/// <param name="sourcePoint">소스 포인트</param>

/// <returns>왼쪽 포인트 여부</returns>

/// <remarks>데카르트 좌표계 기준이다.</remarks>

private static bool IsLeftPoint(Point lineStartPoint, Point lineEndPoint, Point sourcePoint)

{

return

(

(lineEndPoint.X - lineStartPoint.X) * (sourcePoint.Y - lineStartPoint.Y) -

(lineEndPoint.Y - lineStartPoint.Y) * (sourcePoint.X - lineStartPoint.X)

) > 0;

}

#endregion

#region 프로그램 시작하기 - Main()

/// <summary>

/// 프로그램 시작하기

/// </summary>

private static void Main()

{

Point lineStartPoint = new Point(0 , 0 );

Point lineEndPoint = new Point(100, 100);

Console.WriteLine(IsLeftPoint(lineStartPoint, lineEndPoint, new Point(0 , 100)));

Console.WriteLine(IsLeftPoint(lineStartPoint, lineEndPoint, new Point(100, 0 )));

}

#endregion

}

TestProject.zip

[C#/WINFORM/.NET6] 별점(Star Rating) 그리기

■ 별점(Star Rating)을 그리는 방법을 보여준다. ▶ MainForm.cs


using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Imaging;
using System.IO;
using System.Windows.Forms;

namespace TestProject
{
    /// <summary>
    /// 메인 폼
    /// </summary>
    public partial class MainForm : Form
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainForm()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainForm()
        {
            InitializeComponent();
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private
        //////////////////////////////////////////////////////////////////////////////// Event

        #region 그리기 버튼 클릭시 처리하기 - drawButton_Click(sender, e)

        /// <summary>
        /// 그리기 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void drawButton_Click(object sender, EventArgs e)
        {
            int fillStarCount = int.Parse(this.fillStarCountTextBox.Text);
            int starHeight    = int.Parse(this.starHeightTextBox.Text);

            double radius    = starHeight / (1 + Math.Sin(GetRadian(54)));
            double starWidth = 2 * radius * Math.Cos(GetRadian(18));
            double margin    = starWidth * 0.1;
            double x         = margin;
            double minmumY   = margin;

            Rectangle rectangle = new Rectangle
            (
                (int)x,
                (int)minmumY,
                (int)(2 * radius),
                (int)(2 * radius)
            );

            int bitmapWidth  = (int)(5 * starWidth + 6 * margin);
            int bitmapHeight = (int)(   starHeight + 2 * margin);

            Bitmap bitmap = new Bitmap(bitmapWidth, bitmapHeight);

            using(Graphics graphics = Graphics.FromImage(bitmap))
            {
                graphics.Clear(Color.Transparent);

                graphics.SmoothingMode = SmoothingMode.AntiAlias;

                for(int i = 0; i < 5; i++)
                {
                    PointF[] pointArray = GetStarPointArray(-Math.PI / 2, 5, 2, rectangle);

                    if(i < fillStarCount)
                    {
                        graphics.FillPolygon(Brushes.Yellow, pointArray);
                    }
                    else
                    {
                        graphics.FillPolygon(Brushes.White, pointArray);
                    }

                    graphics.DrawPolygon(Pens.Black, pointArray);

                    x += starWidth + margin;

                    rectangle.X = (int)x;
                }
            }

            this.pictureBox.Image   = bitmap;
            this.pictureBox.Visible = true;

            string filePath = fillStarCount.ToString() + "stars.png";

            SaveImage(bitmap, filePath);
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////// Function

        #region 라디안 구하기 - GetRadian(degree)

        /// <summary>
        /// 라디안 구하기
        /// </summary>
        /// <param name="degree">도</param>
        /// <returns>라디안</returns>
        private double GetRadian(double degree)
        {
            return degree * Math.PI / 180;
        }

        #endregion
        #region 교차점 찾기 - FindIntersectionPoint(startPoint1, endPoint1, startPoint2, endPoint2,
            linesIntersect, segmentsIntersect, intersectionPoint, closePoint1, closePoint2)

        /// <summary>
        /// 교차점 찾기
        /// </summary>
        /// <param name="startPoint1">시작 포인트 1</param>
        /// <param name="endPoint1">종료 포인트 1</param>
        /// <param name="startPoint2">시작 포인트 2</param>
        /// <param name="endPoint2">종료 포인트 2</param>
        /// <param name="linesIntersect">선 교차 여부</param>
        /// <param name="segmentsIntersect">세그먼트 교차 여부</param>
        /// <param name="intersectionPoint">교차점</param>
        /// <param name="closePoint1">근접 포인트 1</param>
        /// <param name="closePoint2">근접 포인트 2</param>
        private void FindIntersectionPoint
        (
            PointF     startPoint1,
            PointF     endPoint1,
            PointF     startPoint2,
            PointF     endPoint2,
            out bool   linesIntersect,
            out bool   segmentsIntersect,
            out PointF intersectionPoint,
            out PointF closePoint1,
            out PointF closePoint2
        )
        {
            float deltaX1 = endPoint1.X - startPoint1.X;
            float deltaY1 = endPoint1.Y - startPoint1.Y;
            float deltaX2 = endPoint2.X - startPoint2.X;
            float deltaY2 = endPoint2.Y - startPoint2.Y;

            float denominator = (deltaY1 * deltaX2 - deltaX1 * deltaY2);

            float t1 = ((startPoint1.X - startPoint2.X) * deltaY2 + (startPoint2.Y - startPoint1.Y) * deltaX2) / denominator;

            if(float.IsInfinity(t1))
            {
                linesIntersect    = false;
                segmentsIntersect = false;

                intersectionPoint = new PointF(float.NaN, float.NaN);

                closePoint1 = new PointF(float.NaN, float.NaN);
                closePoint2 = new PointF(float.NaN, float.NaN);

                return;
            }

            linesIntersect = true;

            float t2 = ((startPoint2.X - startPoint1.X) * deltaY1 + (startPoint1.Y - startPoint2.Y) * deltaX1) / -denominator;

            intersectionPoint = new PointF(startPoint1.X + deltaX1 * t1, startPoint1.Y + deltaY1 * t1);

            segmentsIntersect = ((t1 >= 0) && (t1 <= 1) && (t2 >= 0) && (t2 <= 1));

            if(t1 < 0)
            {
                t1 = 0;
            }
            else if(t1 > 1)
            {
                t1 = 1;
            }

            if(t2 < 0)
            {
                t2 = 0;
            }
            else if(t2 > 1)
            {
                t2 = 1;
            }

            closePoint1 = new PointF(startPoint1.X + deltaX1 * t1, startPoint1.Y + deltaY1 * t1);
            closePoint2 = new PointF(startPoint2.X + deltaX2 * t2, startPoint2.Y + deltaY2 * t2);
        }

        #endregion
        #region 오목 반경 계산하기 - CalculateConcaveRadius(pointCount, skipCount)

        /// <summary>
        /// 오목 반경 계산하기
        /// </summary>
        /// <param name="pointCount">포인트 카운트</param>
        /// <param name="skipCount">스킵 카운트</param>
        /// <returns>오목 반경</returns>
        private double CalculateConcaveRadius(int pointCount, int skipCount)
        {
            if(pointCount < 5)
            {
                return 0.33f;
            }

            double deltaTheta = 2 * Math.PI / pointCount;
            double theta00    = -Math.PI / 2;
            double theta01    = theta00 + deltaTheta * skipCount;
            double theta10    = theta00 + deltaTheta;
            double theta11    = theta10 - deltaTheta * skipCount;

            PointF point00 = new PointF
            (
                (float)Math.Cos(theta00),
                (float)Math.Sin(theta00)
            );

            PointF point01 = new PointF
            (
                (float)Math.Cos(theta01),
                (float)Math.Sin(theta01)
            );

            PointF point10 = new PointF
            (
                (float)Math.Cos(theta10),
                (float)Math.Sin(theta10)
            );

            PointF point11 = new PointF
            (
                (float)Math.Cos(theta11),
                (float)Math.Sin(theta11)
            );

            bool   linesIntersect;
            bool   segmentsIntersect;
            PointF intersectionPoint;
            PointF closePoint1;
            PointF closePoint2;

            FindIntersectionPoint
            (
                point00,
                point01,
                point10,
                point11,
                out linesIntersect,
                out segmentsIntersect,
                out intersectionPoint,
                out closePoint1,
                out closePoint2
            );

            return Math.Sqrt(intersectionPoint.X * intersectionPoint.X + intersectionPoint.Y * intersectionPoint.Y);
        }

        #endregion
        #region 별 포인트 배열 구하기 - GetStarPointArray(startTheta, pointCount, skipCount, rectangle)

        /// <summary>
        /// 별 포인트 배열 구하기
        /// </summary>
        /// <param name="startTheta">시작 세타</param>
        /// <param name="pointCount">포인트 수</param>
        /// <param name="skipCount">건너뛰기 수</param>
        /// <param name="rectangle">사각형</param>
        /// <returns>별 포인트 배열</returns>
        private PointF[] GetStarPointArray(double startTheta, int pointCount, int skipCount, Rectangle rectangle)
        {
            double theta;
            double deltaTheta;

            PointF[] pointArray;

            float rx = rectangle.Width / 2f;
            float ry = rectangle.Height / 2f;
            float cx = rectangle.X + rx;
            float cy = rectangle.Y + ry;

            if(skipCount == 1)
            {
                pointArray = new PointF[pointCount];
                theta      = startTheta;
                deltaTheta = 2 * Math.PI / pointCount;

                for(int i = 0; i < pointCount; i++)
                {
                    pointArray[i] = new PointF
                    (
                        (float)(cx + rx * Math.Cos(theta)),
                        (float)(cy + ry * Math.Sin(theta))
                    );

                    theta += deltaTheta;
                }

                return pointArray;
            }

            double concaveRadius = CalculateConcaveRadius(pointCount, skipCount);

            pointArray = new PointF[2 * pointCount];
            theta      = startTheta;
            deltaTheta = Math.PI / pointCount;

            for(int i = 0; i < pointCount; i++)
            {
                pointArray[2 * i] = new PointF
                (
                    (float)(cx + rx * Math.Cos(theta)),
                    (float)(cy + ry * Math.Sin(theta))
                );

                theta += deltaTheta;

                pointArray[2 * i + 1] = new PointF
                (
                    (float)(cx + rx * Math.Cos(theta) * concaveRadius),
                    (float)(cy + ry * Math.Sin(theta) * concaveRadius)
                );

                theta += deltaTheta;
            }

            return pointArray;
        }

        #endregion
        #region 이미지 저장하기 - SaveImage(image, filePath)

        /// <summary>
        /// 이미지 저장하기
        /// </summary>
        /// <param name="image">이미지</param>
        /// <param name="filePath">파일 경로</param>
        private void SaveImage(Image image, string filePath)
        {
            string fileExtension = Path.GetExtension(filePath);

            switch(fileExtension.ToLower())
            {
                case ".bmp"  : image.Save(filePath, ImageFormat.Bmp ); break;
                case ".exif" : image.Save(filePath, ImageFormat.Exif); break;
                case ".gif"  : image.Save(filePath, ImageFormat.Gif ); break;
                case ".jpg"  :
                case ".jpeg" : image.Save(filePath, ImageFormat.Jpeg); break;
                case ".png"  : image.Save(filePath, ImageFormat.Png ); break;
                case ".tif"  :
                case ".tiff" : image.Save(filePath, ImageFormat.Tiff); break;
                default      : throw new NotSupportedException($"알 수 없는 파일 확장자 :{fileExtension}");
            }
        }

        #endregion
    }
}

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using System;

using System.Drawing;

using System.Drawing.Drawing2D;

using System.Drawing.Imaging;

using System.IO;

using System.Windows.Forms;

namespace TestProject

{

/// <summary>

/// 메인 폼

/// </summary>

public partial class MainForm : Form

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainForm()

/// <summary>

/// 생성자

/// </summary>

public MainForm()

{

InitializeComponent();

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Private

//////////////////////////////////////////////////////////////////////////////// Event

#region 그리기 버튼 클릭시 처리하기 - drawButton_Click(sender, e)

/// <summary>

/// 그리기 버튼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void drawButton_Click(object sender, EventArgs e)

{

int fillStarCount = int.Parse(this.fillStarCountTextBox.Text);

int starHeight = int.Parse(this.starHeightTextBox.Text);

double radius = starHeight / (1 + Math.Sin(GetRadian(54)));

double starWidth = 2 * radius * Math.Cos(GetRadian(18));

double margin = starWidth * 0.1;

double x = margin;

double minmumY = margin;

Rectangle rectangle = new Rectangle

(

(int)x,

(int)minmumY,

(int)(2 * radius),

(int)(2 * radius)

);

int bitmapWidth = (int)(5 * starWidth + 6 * margin);

int bitmapHeight = (int)( starHeight + 2 * margin);

Bitmap bitmap = new Bitmap(bitmapWidth, bitmapHeight);

using(Graphics graphics = Graphics.FromImage(bitmap))

{

graphics.Clear(Color.Transparent);

graphics.SmoothingMode = SmoothingMode.AntiAlias;

for(int i = 0; i < 5; i++)

{

PointF[] pointArray = GetStarPointArray(-Math.PI / 2, 5, 2, rectangle);

if(i < fillStarCount)

{

graphics.FillPolygon(Brushes.Yellow, pointArray);

}

else

{

graphics.FillPolygon(Brushes.White, pointArray);

}

graphics.DrawPolygon(Pens.Black, pointArray);

x += starWidth + margin;

rectangle.X = (int)x;

}

this.pictureBox.Image = bitmap;

this.pictureBox.Visible = true;

string filePath = fillStarCount.ToString() + "stars.png";

SaveImage(bitmap, filePath);

}

#endregion

//////////////////////////////////////////////////////////////////////////////// Function

#region 라디안 구하기 - GetRadian(degree)

/// <summary>

/// 라디안 구하기

/// </summary>

/// <param name="degree">도</param>

/// <returns>라디안</returns>

private double GetRadian(double degree)

{

return degree * Math.PI / 180;

}

#endregion

#region 교차점 찾기 - FindIntersectionPoint(startPoint1, endPoint1, startPoint2, endPoint2,

linesIntersect, segmentsIntersect, intersectionPoint, closePoint1, closePoint2)

/// <summary>

/// 교차점 찾기

/// </summary>

/// <param name="startPoint1">시작 포인트 1</param>

/// <param name="endPoint1">종료 포인트 1</param>

/// <param name="startPoint2">시작 포인트 2</param>

/// <param name="endPoint2">종료 포인트 2</param>

/// <param name="linesIntersect">선 교차 여부</param>

/// <param name="segmentsIntersect">세그먼트 교차 여부</param>

/// <param name="intersectionPoint">교차점</param>

/// <param name="closePoint1">근접 포인트 1</param>

/// <param name="closePoint2">근접 포인트 2</param>

private void FindIntersectionPoint

(

PointF startPoint1,

PointF endPoint1,

PointF startPoint2,

PointF endPoint2,

out bool linesIntersect,

out bool segmentsIntersect,

out PointF intersectionPoint,

out PointF closePoint1,

out PointF closePoint2

)

{

float deltaX1 = endPoint1.X - startPoint1.X;

float deltaY1 = endPoint1.Y - startPoint1.Y;

float deltaX2 = endPoint2.X - startPoint2.X;

float deltaY2 = endPoint2.Y - startPoint2.Y;

float denominator = (deltaY1 * deltaX2 - deltaX1 * deltaY2);

float t1 = ((startPoint1.X - startPoint2.X) * deltaY2 + (startPoint2.Y - startPoint1.Y) * deltaX2) / denominator;

if(float.IsInfinity(t1))

{

linesIntersect = false;

segmentsIntersect = false;

intersectionPoint = new PointF(float.NaN, float.NaN);

closePoint1 = new PointF(float.NaN, float.NaN);

closePoint2 = new PointF(float.NaN, float.NaN);

return;

}

linesIntersect = true;

float t2 = ((startPoint2.X - startPoint1.X) * deltaY1 + (startPoint1.Y - startPoint2.Y) * deltaX1) / -denominator;

intersectionPoint = new PointF(startPoint1.X + deltaX1 * t1, startPoint1.Y + deltaY1 * t1);

segmentsIntersect = ((t1 >= 0) && (t1 <= 1) && (t2 >= 0) && (t2 <= 1));

if(t1 < 0)

{

t1 = 0;

}

else if(t1 > 1)

{

t1 = 1;

}

if(t2 < 0)

{

t2 = 0;

}

else if(t2 > 1)

{

t2 = 1;

}

closePoint1 = new PointF(startPoint1.X + deltaX1 * t1, startPoint1.Y + deltaY1 * t1);

closePoint2 = new PointF(startPoint2.X + deltaX2 * t2, startPoint2.Y + deltaY2 * t2);

}

#endregion

#region 오목 반경 계산하기 - CalculateConcaveRadius(pointCount, skipCount)

/// <summary>

/// 오목 반경 계산하기

/// </summary>

/// <param name="pointCount">포인트 카운트</param>

/// <param name="skipCount">스킵 카운트</param>

/// <returns>오목 반경</returns>

private double CalculateConcaveRadius(int pointCount, int skipCount)

{

if(pointCount < 5)

{

return 0.33f;

}

double deltaTheta = 2 * Math.PI / pointCount;

double theta00 = -Math.PI / 2;

double theta01 = theta00 + deltaTheta * skipCount;

double theta10 = theta00 + deltaTheta;

double theta11 = theta10 - deltaTheta * skipCount;

PointF point00 = new PointF

(

(float)Math.Cos(theta00),

(float)Math.Sin(theta00)

);

PointF point01 = new PointF

(

(float)Math.Cos(theta01),

(float)Math.Sin(theta01)

);

PointF point10 = new PointF

(

(float)Math.Cos(theta10),

(float)Math.Sin(theta10)

);

PointF point11 = new PointF

(

(float)Math.Cos(theta11),

(float)Math.Sin(theta11)

);

bool linesIntersect;

bool segmentsIntersect;

PointF intersectionPoint;

PointF closePoint1;

PointF closePoint2;

FindIntersectionPoint

(

point00,

point01,

point10,

point11,

out linesIntersect,

out segmentsIntersect,

out intersectionPoint,

out closePoint1,

out closePoint2

);

return Math.Sqrt(intersectionPoint.X * intersectionPoint.X + intersectionPoint.Y * intersectionPoint.Y);

}

#endregion

#region 별 포인트 배열 구하기 - GetStarPointArray(startTheta, pointCount, skipCount, rectangle)

/// <summary>

/// 별 포인트 배열 구하기

/// </summary>

/// <param name="startTheta">시작 세타</param>

/// <param name="pointCount">포인트 수</param>

/// <param name="skipCount">건너뛰기 수</param>

/// <param name="rectangle">사각형</param>

/// <returns>별 포인트 배열</returns>

private PointF[] GetStarPointArray(double startTheta, int pointCount, int skipCount, Rectangle rectangle)

{

double theta;

double deltaTheta;

PointF[] pointArray;

float rx = rectangle.Width / 2f;

float ry = rectangle.Height / 2f;

float cx = rectangle.X + rx;

float cy = rectangle.Y + ry;

if(skipCount == 1)

{

pointArray = new PointF[pointCount];

theta = startTheta;

deltaTheta = 2 * Math.PI / pointCount;

for(int i = 0; i < pointCount; i++)

{

pointArray[i] = new PointF

(

(float)(cx + rx * Math.Cos(theta)),

(float)(cy + ry * Math.Sin(theta))

);

theta += deltaTheta;

}

return pointArray;

}

double concaveRadius = CalculateConcaveRadius(pointCount, skipCount);

pointArray = new PointF[2 * pointCount];

theta = startTheta;

deltaTheta = Math.PI / pointCount;

for(int i = 0; i < pointCount; i++)

{

pointArray[2 * i] = new PointF

(

(float)(cx + rx * Math.Cos(theta)),

(float)(cy + ry * Math.Sin(theta))

);

theta += deltaTheta;

pointArray[2 * i + 1] = new PointF

(

(float)(cx + rx * Math.Cos(theta) * concaveRadius),

(float)(cy + ry * Math.Sin(theta) * concaveRadius)

);

theta += deltaTheta;

}

return pointArray;

}

#endregion

#region 이미지 저장하기 - SaveImage(image, filePath)

/// <summary>

/// 이미지 저장하기

/// </summary>

/// <param name="image">이미지</param>

/// <param name="filePath">파일 경로</param>

private void SaveImage(Image image, string filePath)

{

string fileExtension = Path.GetExtension(filePath);

switch(fileExtension.ToLower())

{

case ".bmp" : image.Save(filePath, ImageFormat.Bmp ); break;

case ".exif" : image.Save(filePath, ImageFormat.Exif); break;

case ".gif" : image.Save(filePath, ImageFormat.Gif ); break;

case ".jpg" :

case ".jpeg" : image.Save(filePath, ImageFormat.Jpeg); break;

case ".png" : image.Save(filePath, ImageFormat.Png ); break;

case ".tif" :

case ".tiff" : image.Save(filePath, ImageFormat.Tiff); break;

default : throw new NotSupportedException($"알 수 없는 파일 확장자 :{fileExtension}");

}

#endregion

}

TestProject.zip

[C#/WINFORM/.NET6] 비주얼 스튜디오 2022에서 단일 실행 파일 배포하기

■ 비주얼 스튜디오 2022에서 단일 실행 파일을 배포하는 방법을 보여준다. 1. Visual Studio를 실행하고 해당 프로젝트를 로드한다. 2. [솔루션 탐색기]에서 해당 프로젝트

[C#/WINFORM/.NET6] ISynchronizeInvoke 인터페이스 : InvokeRequired 코드 패턴 자동화하기

■ ISynchronizeInvoke 인터페이스를 사용해 InvokeRequired 코드 패턴을 자동화하는 방법을 보여준다. ▶ SynchronizeInvokeExtension.cs


using System.ComponentModel;

namespace TestProject;

/// <summary>
/// 호출 동기화 확장
/// </summary>
public static class SynchronizeInvokeExtension
{
    //////////////////////////////////////////////////////////////////////////////////////////////////// Method
    ////////////////////////////////////////////////////////////////////////////////////////// Static
    //////////////////////////////////////////////////////////////////////////////// Public

    #region 필요시 호출하기 - InvokeIfRequired<TTarget>(targetObject, action)

    /// <summary>
    /// 필요시 호출하기
    /// </summary>
    /// <typeparam name="TTarget">타겟 객체 타입</typeparam>
    /// <param name="targetObject">타겟 객체</param>
    /// <param name="action">액션</param>
    public static void InvokeIfRequired<TTarget>(this TTarget targetObject, Action<TTarget> action) where TTarget : ISynchronizeInvoke
    {
        if(targetObject.InvokeRequired)
        {
            targetObject.Invoke(action, new object[] { targetObject });
        }
        else
        {
            action(targetObject);
        }
    }

    #endregion
    #region 필요시 호출하기 - InvokeIfRequired<TTarget, TResult>(targetObject, function)

    /// <summary>
    /// 필요시 호출하기
    /// </summary>
    /// <typeparam name="TTarget">타겟 객체 타입</typeparam>
    /// <typeparam name="TResult">결과 타입</typeparam>
    /// <param name="targetObject">타겟 객체</param>
    /// <param name="function">함수</param>
    /// <returns>처리 결과</returns>
    public static TResult InvokeIfRequired<TTarget, TResult>(this TTarget targetObject, Func<TTarget, TResult> function) where TTarget : ISynchronizeInvoke
    {
        return targetObject.InvokeRequired ? (TResult)targetObject.Invoke(function, new object[] { targetObject }) : function(targetObject);
    }

    #endregion
}

using System.ComponentModel;

namespace TestProject;

/// <summary>

/// 호출 동기화 확장

/// </summary>

public static class SynchronizeInvokeExtension

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Public

#region 필요시 호출하기 - InvokeIfRequired<TTarget>(targetObject, action)

/// <summary>

/// 필요시 호출하기

/// </summary>

/// <typeparam name="TTarget">타겟 객체 타입</typeparam>

/// <param name="targetObject">타겟 객체</param>

/// <param name="action">액션</param>

public static void InvokeIfRequired<TTarget>(this TTarget targetObject, Action<TTarget> action) where TTarget : ISynchronizeInvoke

{

if(targetObject.InvokeRequired)

{

targetObject.Invoke(action, new object[] { targetObject });

}

else

{

action(targetObject);

}

#endregion

#region 필요시 호출하기 - InvokeIfRequired<TTarget, TResult>(targetObject, function)

/// <summary>

/// 필요시 호출하기

/// </summary>

/// <typeparam name="TTarget">타겟 객체 타입</typeparam>

/// <typeparam name="TResult">결과 타입</typeparam>

/// <param name="targetObject">타겟 객체</param>

/// <param name="function">함수</param>

/// <returns>처리 결과</returns>

public static TResult InvokeIfRequired<TTarget, TResult>(this TTarget targetObject, Func<TTarget, TResult> function) where TTarget : ISynchronizeInvoke

{

return targetObject.InvokeRequired ? (TResult)targetObject.Invoke(function, new object[] { targetObject }) : function(targetObject);

}

#endregion

}

▶ MainForm.cs


namespace TestProject
{
    /// <summary>
    /// 메인 폼
    /// </summary>
    public partial class MainForm : Form
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainForm()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainForm()
        {
            InitializeComponent();

            this.runButton.Click += runButton_Click;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private
        //////////////////////////////////////////////////////////////////////////////// Event

        #region 실행 버튼 클릭시 처리하기 - runButton_Click(sender, e)

        /// <summary>
        /// 실행 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void runButton_Click(object sender, EventArgs e)
        {
            Button button = sender as Button;

            button.Enabled = false;

            Thread thread = new Thread(new ThreadStart(ProcessThread));

            thread.Start();

        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////// Function

        #region 스레드 처리하기 - ProcessThread()

        /// <summary>
        /// 스레드 처리하기
        /// </summary>
        private void ProcessThread()
        {
            for(int i = 0; i < 10; i++)
            {
                this.InvokeIfRequired((form) => { this.messageLabel.Text = (i + 1).ToString(); });

                Thread.Sleep(500);
            }

            this.InvokeIfRequired
            (
                (form) =>
                {
                    this.messageLabel.Text = string.Empty;

                    this.runButton.Enabled = true;
                }
            );
        }

        #endregion
    }
}

namespace TestProject

{

/// <summary>

/// 메인 폼

/// </summary>

public partial class MainForm : Form

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainForm()

/// <summary>

/// 생성자

/// </summary>

public MainForm()

{

InitializeComponent();

this.runButton.Click += runButton_Click;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Private

//////////////////////////////////////////////////////////////////////////////// Event

#region 실행 버튼 클릭시 처리하기 - runButton_Click(sender, e)

/// <summary>

/// 실행 버튼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void runButton_Click(object sender, EventArgs e)

{

Button button = sender as Button;

button.Enabled = false;

Thread thread = new Thread(new ThreadStart(ProcessThread));

thread.Start();

}

#endregion

//////////////////////////////////////////////////////////////////////////////// Function

#region 스레드 처리하기 - ProcessThread()

/// <summary>

/// 스레드 처리하기

/// </summary>

private void ProcessThread()

{

for(int i = 0; i < 10; i++)

{

this.InvokeIfRequired((form) => { this.messageLabel.Text = (i + 1).ToString(); });

Thread.Sleep(500);

}

this.InvokeIfRequired

(

(form) =>

{

this.messageLabel.Text = string.Empty;

this.runButton.Enabled = true;

}

);

}

#endregion

}

TestProject.zip

[C#/WINFORM/.NET6] MethodInvoker 대리자 : InvokeRequired 코드 패턴 자동화하기

■ MethodInvoker 대리자를 사용해 InvokeRequired 코드 패턴을 자동화하는 방법을 보여준다. ▶ ControlExtension.cs


namespace TestProject;

/// <summary>
/// 컨트롤 확장
/// </summary>
public static class ControlExtension
{
    //////////////////////////////////////////////////////////////////////////////////////////////////// Method
    ////////////////////////////////////////////////////////////////////////////////////////// Static
    //////////////////////////////////////////////////////////////////////////////// Public

    #region 필요시 호출하기 - InvokeIfRequired(control, methodInvoker)

    /// <summary>
    /// 필요시 호출하기
    /// </summary>
    /// <param name="control">컨트롤</param>
    /// <param name="methodInvoker">메소드 호출자</param>
    public static void InvokeIfRequired(this Control control, MethodInvoker methodInvoker)
    {
        if(control.InvokeRequired)
        {
            control.Invoke(methodInvoker);
        }
        else
        {
            methodInvoker();
        }
    }

    #endregion
}

namespace TestProject;

/// <summary>

/// 컨트롤 확장

/// </summary>

public static class ControlExtension

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Public

#region 필요시 호출하기 - InvokeIfRequired(control, methodInvoker)

/// <summary>

/// 필요시 호출하기

/// </summary>

/// <param name="control">컨트롤</param>

/// <param name="methodInvoker">메소드 호출자</param>

public static void InvokeIfRequired(this Control control, MethodInvoker methodInvoker)

{

if(control.InvokeRequired)

{

control.Invoke(methodInvoker);

}

else

{

methodInvoker();

}

#endregion

}

▶ MainForm.cs


namespace TestProject
{
    /// <summary>
    /// 메인 폼
    /// </summary>
    public partial class MainForm : Form
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainForm()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainForm()
        {
            InitializeComponent();

            this.runButton.Click += runButton_Click;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private
        //////////////////////////////////////////////////////////////////////////////// Event

        #region 실행 버튼 클릭시 처리하기 - runButton_Click(sender, e)

        /// <summary>
        /// 실행 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void runButton_Click(object sender, EventArgs e)
        {
            Button button = sender as Button;

            button.Enabled = false;

            Thread thread = new Thread(new ThreadStart(ProcessThread));

            thread.Start();

        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////// Function

        #region 스레드 처리하기 - ProcessThread()

        /// <summary>
        /// 스레드 처리하기
        /// </summary>
        private void ProcessThread()
        {
            for(int i = 0; i < 10; i++)
            {
                this.InvokeIfRequired(() => { this.messageLabel.Text = (i + 1).ToString(); });

                Thread.Sleep(500);
            }

            this.InvokeIfRequired
            (
                () =>
                {
                    this.messageLabel.Text = string.Empty;

                    this.runButton.Enabled = true;
                }
            );
        }

        #endregion
    }
}

namespace TestProject

{

/// <summary>

/// 메인 폼

/// </summary>

public partial class MainForm : Form

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainForm()

/// <summary>

/// 생성자

/// </summary>

public MainForm()

{

InitializeComponent();

this.runButton.Click += runButton_Click;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Private

//////////////////////////////////////////////////////////////////////////////// Event

#region 실행 버튼 클릭시 처리하기 - runButton_Click(sender, e)

/// <summary>

/// 실행 버튼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void runButton_Click(object sender, EventArgs e)

{

Button button = sender as Button;

button.Enabled = false;

Thread thread = new Thread(new ThreadStart(ProcessThread));

thread.Start();

}

#endregion

//////////////////////////////////////////////////////////////////////////////// Function

#region 스레드 처리하기 - ProcessThread()

/// <summary>

/// 스레드 처리하기

/// </summary>

private void ProcessThread()

{

for(int i = 0; i < 10; i++)

{

this.InvokeIfRequired(() => { this.messageLabel.Text = (i + 1).ToString(); });

Thread.Sleep(500);

}

this.InvokeIfRequired

(

() =>

{

this.messageLabel.Text = string.Empty;

this.runButton.Enabled = true;

}

);

}

#endregion

}

TestProject.zip

[C#/WINFORM/.NET6] 화면 돋보기 사용하기

■ 화면 돋보기를 사용하는 방법을 보여준다. ▶ MainForm.cs


namespace TestProject;

/// <summary>
/// 메인 폼
/// </summary>
public partial class MainForm : Form
{
    //////////////////////////////////////////////////////////////////////////////////////////////////// Field
    ////////////////////////////////////////////////////////////////////////////////////////// Private

    #region Field

    /// <summary>
    /// 스케일 비율
    /// </summary>
    private double scaleRate = 2.0d;

    #endregion

    //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
    ////////////////////////////////////////////////////////////////////////////////////////// Public

    #region 생성자 - MainForm()

    /// <summary>
    /// 생성자
    /// </summary>
    public MainForm()
    {
        InitializeComponent();

        KeyPreview = true;

        this.timer.Interval = 50;

        MouseWheel                     += Form_MouseWheel;
        this.timer.Tick                += timer_Tick;
        this.scaleInButton.MouseClick  += scaleInButton_MouseClick;
        this.scaleOutButton.MouseClick += scaleOutButton_MouseClick;

        this.timer.Start();
    }

    #endregion

    //////////////////////////////////////////////////////////////////////////////////////////////////// Method
    ////////////////////////////////////////////////////////////////////////////////////////// Private

    #region 폼 마우스 휠 처리하기 - Form_MouseWheel(sender, e)

    /// <summary>
    /// 폼 마우스 휠 처리하기
    /// </summary>
    /// <param name="sender">이벤트 발생자</param>
    /// <param name="e">이벤트 인자</param>
    private void Form_MouseWheel(object sender, MouseEventArgs e)
    {
        if(e.Delta < 0 && this.scaleRate > 0.2d)
        {
            this.scaleRate -= 0.1d;
        }
        else if(e.Delta > 0 && this.scaleRate < 5.0d)
        {
            this.scaleRate += 0.1d;
        }
    }

    #endregion
    #region 타이머 틱 처리하기 - timer_Tick(sender, e)

    /// <summary>
    /// 타이머 틱 처리하기
    /// </summary>
    /// <param name="sender">이벤트 발생자</param>
    /// <param name="e">이벤트 인자</param>
    private void timer_Tick(object sender, EventArgs e)
    {
        this.scaleLabel.Text = $"배율 : {this.scaleRate:#.00}";

        Size size = new Size(this.pictureBox.Width, this.pictureBox.Height);

        Bitmap bitmap = new Bitmap((int)(size.Width / this.scaleRate), (int)(size.Height / this.scaleRate));

        using Graphics graphics = Graphics.FromImage(bitmap);

        graphics.CopyFromScreen
        (
            (int)(MousePosition.X - size.Width  / (this.scaleRate * 2)),
            (int)(MousePosition.Y - size.Height / (this.scaleRate * 2)),
            0,
            0,
            size,
            CopyPixelOperation.SourceCopy
        );

        Bitmap temporaryBitmap = this.pictureBox.Image as Bitmap;

        this.pictureBox.Image = bitmap;

        if(temporaryBitmap != null)
        {
            temporaryBitmap.Dispose();
        }
    }

    #endregion
    #region 확대 버튼 클릭시 처리하기 - scaleInButton_MouseClick(sender, e)

    /// <summary>
    /// 확대 버튼 클릭시 처리하기
    /// </summary>
    /// <param name="sender">이벤트 발생자</param>
    /// <param name="e">이벤트 인자</param>
    private void scaleInButton_MouseClick(object sender, MouseEventArgs e)
    {
        if(e.Button == MouseButtons.Left && this.scaleRate < 5.0d)
        {
            this.scaleRate += 0.1d;
        }
    }

    #endregion
    #region 축소 버튼 클릭시 처리하기 - scaleOutButton_MouseClick(sender, e)

    /// <summary>
    /// 축소 버튼 클릭시 처리하기
    /// </summary>
    /// <param name="sender">이벤트 발생자</param>
    /// <param name="e">이벤트 인자</param>
    private void scaleOutButton_MouseClick(object sender, MouseEventArgs e)
    {
        if(e.Button == MouseButtons.Left && this.scaleRate > 0.2d)
        {
            this.scaleRate -= 0.1d;
        }
    }

    #endregion
}

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namespace TestProject;

/// <summary>

/// 메인 폼

/// </summary>

public partial class MainForm : Form

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Private

#region Field

/// <summary>

/// 스케일 비율

/// </summary>

private double scaleRate = 2.0d;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainForm()

/// <summary>

/// 생성자

/// </summary>

public MainForm()

{

InitializeComponent();

KeyPreview = true;

this.timer.Interval = 50;

MouseWheel += Form_MouseWheel;

this.timer.Tick += timer_Tick;

this.scaleInButton.MouseClick += scaleInButton_MouseClick;

this.scaleOutButton.MouseClick += scaleOutButton_MouseClick;

this.timer.Start();

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Private

#region 폼 마우스 휠 처리하기 - Form_MouseWheel(sender, e)

/// <summary>

/// 폼 마우스 휠 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void Form_MouseWheel(object sender, MouseEventArgs e)

{

if(e.Delta < 0 && this.scaleRate > 0.2d)

{

this.scaleRate -= 0.1d;

}

else if(e.Delta > 0 && this.scaleRate < 5.0d)

{

this.scaleRate += 0.1d;

}

#endregion

#region 타이머 틱 처리하기 - timer_Tick(sender, e)

/// <summary>

/// 타이머 틱 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void timer_Tick(object sender, EventArgs e)

{

this.scaleLabel.Text = $"배율 : {this.scaleRate:#.00}";

Size size = new Size(this.pictureBox.Width, this.pictureBox.Height);

Bitmap bitmap = new Bitmap((int)(size.Width / this.scaleRate), (int)(size.Height / this.scaleRate));

using Graphics graphics = Graphics.FromImage(bitmap);

graphics.CopyFromScreen

(

(int)(MousePosition.X - size.Width / (this.scaleRate * 2)),

(int)(MousePosition.Y - size.Height / (this.scaleRate * 2)),

size,

CopyPixelOperation.SourceCopy

);

Bitmap temporaryBitmap = this.pictureBox.Image as Bitmap;

this.pictureBox.Image = bitmap;

if(temporaryBitmap != null)

{

temporaryBitmap.Dispose();

}

#endregion

#region 확대 버튼 클릭시 처리하기 - scaleInButton_MouseClick(sender, e)

/// <summary>

/// 확대 버튼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void scaleInButton_MouseClick(object sender, MouseEventArgs e)

{

if(e.Button == MouseButtons.Left && this.scaleRate < 5.0d)

{

this.scaleRate += 0.1d;

}

#endregion

#region 축소 버튼 클릭시 처리하기 - scaleOutButton_MouseClick(sender, e)

/// <summary>

/// 축소 버튼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void scaleOutButton_MouseClick(object sender, MouseEventArgs e)

{

if(e.Button == MouseButtons.Left && this.scaleRate > 0.2d)

{

this.scaleRate -= 0.1d;

}

#endregion

}

TestProject.zip

[C#/WINFORM/.NET6] TextBox 클래스 : Multiline 속성이 False일 때 ENTER 키 누르는 경우 알림 소리 방지하기

■ TextBox 클래스의 Multiline 속성이 False일 때 ENTER 키 누르는 경우 알림 소리를 방지하는 방법을 보여준다. ▶ MainForm.cs


namespace TestProject
{
    /// <summary>
    /// 메인 폼
    /// </summary>
    public partial class MainForm : Form
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainForm()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainForm()
        {
            InitializeComponent();

            this.textBox2.KeyDown  += textBox2_KeyDown;
            this.textBox3.KeyPress += textBox3_KeyPress;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region 텍스트 박스 2 키 다운 처리하기 - textBox2_KeyDown(sender, e)

        /// <summary>
        /// 텍스트 박스 2 키 다운 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void textBox2_KeyDown(object sender, KeyEventArgs e)
        {
            if(e.KeyCode == Keys.Enter)
            {
                e.SuppressKeyPress = true;

                // 작업이 있다면 처리한다.
            }
        }

        #endregion
        #region textBox3_KeyPress(sender, e)

        /// <summary>
        /// 텍스트 박스 3 키 프레스 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void textBox3_KeyPress(object sender, KeyPressEventArgs e)
        {
            if(e.KeyChar == (char)Keys.Enter)
            {
                e.Handled = true;

                // 작업이 있다면 처리한다.
            }
        }

        #endregion
    }
}

namespace TestProject

{

/// <summary>

/// 메인 폼

/// </summary>

public partial class MainForm : Form

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainForm()

/// <summary>

/// 생성자

/// </summary>

public MainForm()

{

InitializeComponent();

this.textBox2.KeyDown += textBox2_KeyDown;

this.textBox3.KeyPress += textBox3_KeyPress;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Private

#region 텍스트 박스 2 키 다운 처리하기 - textBox2_KeyDown(sender, e)

/// <summary>

/// 텍스트 박스 2 키 다운 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void textBox2_KeyDown(object sender, KeyEventArgs e)

{

if(e.KeyCode == Keys.Enter)

{

e.SuppressKeyPress = true;

// 작업이 있다면 처리한다.

}

#endregion

#region textBox3_KeyPress(sender, e)

/// <summary>

/// 텍스트 박스 3 키 프레스 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void textBox3_KeyPress(object sender, KeyPressEventArgs e)

{

if(e.KeyChar == (char)Keys.Enter)

{

e.Handled = true;

// 작업이 있다면 처리한다.

}

#endregion

}

TestProject.zip

[C#/WINFORM/.NET6] Control 클래스 : 컨트롤 페인팅 보류하기/재개하기 (WIN32 API 함수 사용)

■ Control 클래스에서 컨트롤 페인팅을 보류하고 재개하는 방법을 보여준다. ▶ ControlHelper.cs


using System.Runtime.InteropServices;

/// <summary>
/// 컨트롤 헬퍼
/// </summary>
public class ControlHelper
{
    //////////////////////////////////////////////////////////////////////////////////////////////////// Import
    ////////////////////////////////////////////////////////////////////////////////////////// Static
    //////////////////////////////////////////////////////////////////////////////// Private

    #region 메시지 보내기 - SendMessage(windowHandle, message, wordParameter, longParameter)

    /// <summary>
    /// 메시지 보내기
    /// </summary>
    /// <param name="windowHandle">윈도우 핸들</param>
    /// <param name="message">메시지</param>
    /// <param name="wordParameter">WORD 매개 변수</param>
    /// <param name="longParameter">LONG 매개 변수</param>
    /// <returns>처리 결과</returns>
    [DllImport("user32")]
    private static extern int SendMessage(IntPtr windowHandle, int message, bool wordParameter, int longParameter);

    #endregion

    //////////////////////////////////////////////////////////////////////////////////////////////////// Field
    ////////////////////////////////////////////////////////////////////////////////////////// Private

    #region Field

    /// <summary>
    /// WM_SETREDRAW
    /// </summary>
    private const int WM_SETREDRAW = 11;

    #endregion

    //////////////////////////////////////////////////////////////////////////////////////////////////// Method
    ////////////////////////////////////////////////////////////////////////////////////////// Static
    //////////////////////////////////////////////////////////////////////////////// Public

    #region 페인팅 보류하기 - SuspendPainting(control)

    /// <summary>
    /// 페인팅 보류하기
    /// </summary>
    /// <param name="control">컨트롤</param>
    public static void SuspendPainting(Control control)
    {
        SendMessage(control.Handle, WM_SETREDRAW, false, 0);
    }

    #endregion
    #region 페인팅 재개하기 - ResumePainting(control)

    /// <summary>
    /// 페인팅 재개하기
    /// </summary>
    /// <param name="control">컨트롤</param>
    public static void ResumePainting(Control control)
    {
        SendMessage(control.Handle, WM_SETREDRAW, true, 0);

        control.Refresh();
    }

    #endregion
}

using System.Runtime.InteropServices;

/// <summary>

/// 컨트롤 헬퍼

/// </summary>

public class ControlHelper

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Import

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Private

#region 메시지 보내기 - SendMessage(windowHandle, message, wordParameter, longParameter)

/// <summary>

/// 메시지 보내기

/// </summary>

/// <param name="windowHandle">윈도우 핸들</param>

/// <param name="message">메시지</param>

/// <param name="wordParameter">WORD 매개 변수</param>

/// <param name="longParameter">LONG 매개 변수</param>

/// <returns>처리 결과</returns>

[DllImport("user32")]

private static extern int SendMessage(IntPtr windowHandle, int message, bool wordParameter, int longParameter);

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Private

#region Field

/// <summary>

/// WM_SETREDRAW

/// </summary>

private const int WM_SETREDRAW = 11;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Public

#region 페인팅 보류하기 - SuspendPainting(control)

/// <summary>

/// 페인팅 보류하기

/// </summary>

/// <param name="control">컨트롤</param>

public static void SuspendPainting(Control control)

{

SendMessage(control.Handle, WM_SETREDRAW, false, 0);

}

#endregion

#region 페인팅 재개하기 - ResumePainting(control)

/// <summary>

/// 페인팅 재개하기

/// </summary>

/// <param name="control">컨트롤</param>

public static void ResumePainting(Control control)

{

SendMessage(control.Handle, WM_SETREDRAW, true, 0);

control.Refresh();

}

#endregion

}

[C#/WINFORM/.NET6] Control 클래스 : 컨트롤 페인팅 보류하기/재개하기

■ Control 클래스에서 컨트롤 페인팅을 보류하고 재개하는 방법을 보여준다. ▶ ControlHelper.cs


namespace TestProject;

/// <summary>
/// 컨트롤 헬퍼
/// </summary>
public class ControlHelper
{
    //////////////////////////////////////////////////////////////////////////////////////////////////// Field
    ////////////////////////////////////////////////////////////////////////////////////////// Private

    #region Field

    /// <summary>
    /// WM_SETREDRAW
    /// </summary>
    private const int WM_SETREDRAW = 0x000b;

    #endregion

    //////////////////////////////////////////////////////////////////////////////////////////////////// Method
    ////////////////////////////////////////////////////////////////////////////////////////// Static
    //////////////////////////////////////////////////////////////////////////////// Public

    #region 페인팅 보류하기 - SuspendPainting(control)

    /// <summary>
    /// 페인팅 보류하기
    /// </summary>
    /// <param name="control">컨트롤</param>
    public static void SuspendPainting(Control control)
    {
        Message message = Message.Create(control.Handle, WM_SETREDRAW, IntPtr.Zero, IntPtr.Zero);

        NativeWindow nativeWindow = NativeWindow.FromHandle(control.Handle);

        nativeWindow.DefWndProc(ref message);
    }

    #endregion
    #region 페인팅 재개하기 - ResumePainting(control)

    /// <summary>
    /// 페인팅 재개하기
    /// </summary>
    /// <param name="control">컨트롤</param>
    public static void ResumePainting(Control control)
    {
        IntPtr wordParameter = new IntPtr(1);

        Message message = Message.Create(control.Handle, WM_SETREDRAW, wordParameter, IntPtr.Zero);

        NativeWindow nativeWindow = NativeWindow.FromHandle(control.Handle);

        nativeWindow.DefWndProc(ref message);

        control.Invalidate();
    }

    #endregion
}

namespace TestProject;

/// <summary>

/// 컨트롤 헬퍼

/// </summary>

public class ControlHelper

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Private

#region Field

/// <summary>

/// WM_SETREDRAW

/// </summary>

private const int WM_SETREDRAW = 0x000b;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Public

#region 페인팅 보류하기 - SuspendPainting(control)

/// <summary>

/// 페인팅 보류하기

/// </summary>

/// <param name="control">컨트롤</param>

public static void SuspendPainting(Control control)

{

Message message = Message.Create(control.Handle, WM_SETREDRAW, IntPtr.Zero, IntPtr.Zero);

NativeWindow nativeWindow = NativeWindow.FromHandle(control.Handle);

nativeWindow.DefWndProc(ref message);

}

#endregion

#region 페인팅 재개하기 - ResumePainting(control)

/// <summary>

/// 페인팅 재개하기

/// </summary>

/// <param name="control">컨트롤</param>

public static void ResumePainting(Control control)

{

IntPtr wordParameter = new IntPtr(1);

Message message = Message.Create(control.Handle, WM_SETREDRAW, wordParameter, IntPtr.Zero);

NativeWindow nativeWindow = NativeWindow.FromHandle(control.Handle);

nativeWindow.DefWndProc(ref message);

control.Invalidate();

}

#endregion

}

[C#/WINFORM] WebView2 클래스 사용하기

■ WebView2 클래스를 사용하는 방법을 보여준다. ▶ MainForm.cs


using System;
using System.Windows.Forms;

namespace TestProject
{
    /// <summary>
    /// 메인 폼
    /// </summary>
    public partial class MainForm : Form
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainForm()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainForm()
        {
            InitializeComponent();

            Load += Form_Load;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 폼 로드시 처리하기 - Form_Load(sender, e)

        /// <summary>
        /// 폼 로드시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void Form_Load(object sender, EventArgs e)
        {
            this.webView.Source = new Uri("https://icodebroker.tistory.com");
        }

        #endregion
    }
}

using System;

using System.Windows.Forms;

namespace TestProject

{

/// <summary>

/// 메인 폼

/// </summary>

public partial class MainForm : Form

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainForm()

/// <summary>

/// 생성자

/// </summary>

public MainForm()

{

InitializeComponent();

Load += Form_Load;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 폼 로드시 처리하기 - Form_Load(sender, e)

/// <summary>

/// 폼 로드시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void Form_Load(object sender, EventArgs e)

{

this.webView.Source = new Uri("https://icodebroker.tistory.com");

}

#endregion

}

TestProject.zip

[C#/WINFORM] ColorTranslator 클래스 : ToHtml 정적 메소드를 사용해 16진수 색상 코드 구하기

■ ColorTranslator 클래스의 ToHtml 정적 메소드를 사용해 16진수 색상 코드를 구하는 방법을 보여준다. ▶ 예제 코드 (C#)


using System.Drawing;

string colorCode = ColorTranslator.ToHtml(Color.FromArgb(255, 0, 0));

using System.Drawing;

string colorCode = ColorTranslator.ToHtml(Color.FromArgb(255, 0, 0));