[C#/WINFORM] UserControl 클래스 : 이미지 버튼 만들기

■ UserControl 클래스를 사용해 이미지 버튼을 만드는 방법을 보여준다.

▶ ImageButton.cs


using System;
using System.ComponentModel;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Windows.Forms;

namespace TestProject
{
    /// <summary>
    /// 이미지 버튼
    /// </summary>
    public class ImageButton : UserControl
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Enumeration
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 이미지 버튼 스타일 - ImageButtonStyle

        /// <summary>
        /// 이미지 버튼 스타일
        /// </summary>
        public enum ImageButtonStyle
        {
            /// <summary>
            /// DEFAULT
            /// </summary>
            Default,

            /// <summary>
            /// FLAT
            /// </summary>
            Flat
        };

        #endregion

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

        #region 이미지 버튼 상태 - ImageButtonState

        /// <summary>
        /// 이미지 버튼 상태
        /// </summary>
        private enum ImageButtonState { None, Hover, Pressed };

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 컨테이너
        /// </summary>
        private Container container = null;

        /// <summary>
        /// 버튼 스타일
        /// </summary>
        private ImageButtonStyle buttonStyle = ImageButtonStyle.Default;

        /// <summary>
        /// 버튼 상태
        /// </summary>
        private ImageButtonState buttonState = ImageButtonState.None;

        /// <summary>
        /// 코너 반지름
        /// </summary>
        private int cornerRadius = 8;

        /// <summary>
        /// 배경 이미지
        /// </summary>
        private Image backImage;

        /// <summary>
        /// 이미지 크기
        /// </summary>
        private Size imageSize = new Size(24, 24);

        /// <summary>
        /// 이미지 정렬
        /// </summary>
        private ContentAlignment imageAlign = ContentAlignment.MiddleLeft;

        /// <summary>
        /// 이미지
        /// </summary>
        private Image image;

        /// <summary>
        /// 기본 색상
        /// </summary>
        private Color baseColor = Color.Black;

        /// <summary>
        /// 버튼 색상
        /// </summary>
        private Color buttonColor = Color.Black;

        /// <summary>
        /// 하이라이트 색상
        /// </summary>
        private Color highlightColor = Color.White;

        /// <summary>
        /// GLOW 투명도
        /// </summary>
        private int glowAlpha = 0;

        /// <summary>
        /// GLOW 색상
        /// </summary>
        private Color glowColor = Color.FromArgb(141, 189, 255);

        /// <summary>
        /// 전경색
        /// </summary>
        private Color foreColor = Color.White;

        /// <summary>
        /// 텍스트 정렬
        /// </summary>
        private ContentAlignment textAlign = ContentAlignment.MiddleCenter;

        /// <summary>
        /// 버튼 텍스트
        /// </summary>
        private string buttonText;

        /// <summary>
        /// 대화 상자 결과
        /// </summary>
        private DialogResult dialogResult = DialogResult.None;

        /// <summary>
        /// FADE IN 타이머
        /// </summary>
        private Timer fadeInTimer = null;

        /// <summary>
        /// FADE OUT 타이머
        /// </summary>
        private Timer fadeOutTimer = null;

        /// <summary>
        /// 키로 호출 여부
        /// </summary>
        private bool calledByKey = false;

        /// <summary>
        /// 클릭 여부
        /// </summary>
        private bool isClicked = false;

        #endregion

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

        #region 버튼 스타일 - ButtonStyle

        /// <summary>
        /// 버튼 스타일
        /// </summary>
        [Category("ImageButton")]
        [DefaultValue(typeof(ImageButtonStyle), "Default")]
        [Description("마우스가 클라이언트 영역 밖에 있는 동안 버튼 배경을 그릴지 여부를 설정합니다.")]
        public ImageButtonStyle ButtonStyle
        {
            get
            {
                return this.buttonStyle;
            }
            set
            {
                this.buttonStyle = value;

                Invalidate();
            }
        }

        #endregion
        #region 코너 반지름 - CornerRadius

        /// <summary>
        /// 코너 반지름
        /// </summary>
        [Category("ImageButton")]
        [DefaultValue(8)]
        [Description("버튼 모서리의 반지름입니다. 이 값이 클수록 모퉁이가 부드럽습니다. " +
                     "이 속성은 컨트롤 높이의 절반보다 커서는 안됩니다.")]
        public int CornerRadius
        {
            get
            {
                return this.cornerRadius;
            }
            set
            {
                this.cornerRadius = value;

                Invalidate();
            }
        }

        #endregion
        #region 배경 이미지 - BackImage

        /// <summary>
        /// 배경 이미지
        /// </summary>
        [Category("ImageButton")]
        [DefaultValue(null)]
        [Description("버튼의 배경 이미지로, 이 이미지는 버튼의 기본 색상 위에 그려집니다.")]
        public Image BackImage
        {
            get
            {
                return this.backImage;
            }
            set
            {
                this.backImage = value;

                Invalidate();
            }
        }

        #endregion
        #region 이미지 크기 - ImageSize

        /// <summary>
        /// 이미지 크기
        /// </summary>
        [Category("ImageButton")]
        [DefaultValue(typeof(Size), "24, 24")]
        [Description("버튼에 표시할 이미지의 크기입니다. 이 속성의 기본값은 24x24입니다.")]
        public Size ImageSize
        {
            get
            {
                return this.imageSize;
            }
            set
            {
                this.imageSize = value;

                Invalidate();
            }
        }

        #endregion
        #region 이미지 정렬 - ImageAlign

        /// <summary>
        /// 이미지 정렬
        /// </summary>
        [Category("ImageButton")]
        [DefaultValue(typeof(ContentAlignment), "MiddleLeft")]
        [Description("버튼에 관련한 이미지의 정렬 방법입니다.")]
        public ContentAlignment ImageAlign
        {
            get
            {
                return this.imageAlign;
            }
            set
            {
                this.imageAlign = value;

                Invalidate();
            }
        }

        #endregion
        #region 이미지 - Image

        /// <summary>
        /// 이미지
        /// </summary>
        [Category("ImageButton")]
        [DefaultValue(null)]
        [Description("이미지의 정렬 단추에 표시된 이미지는 단추와 관련하여 텍스트가 모호한 경우 " +
                     "사용자가 기능을 식별하는 데 도움이 됩니다.")]
        public Image Image
        {
            get
            {
                return this.image;
            }
            set
            {
                this.image = value;

                Invalidate();
            }
        }

        #endregion
        #region 기본 색상 - BaseColor

        [Category("ImageButton")]
        [DefaultValue(typeof(Color), "Black")]
        [Description("버튼의 나머지 부분이 그려지는 바탕 색상입니다. " +
                     "글래스 효과를 얻으려면 이 속성을 Transparent로 설정하십시오.")]
        public Color BaseColor
        {
            get
            {
                return this.baseColor;
            }
            set
            {
                this.baseColor = value;

                Invalidate();
            }
        }

        #endregion
        #region 버튼 색상 - ButtonColor

        /// <summary>
        /// 버튼 색상
        /// </summary>
        [Category("ImageButton")]
        [DefaultValue(typeof(Color), "Black")]
        [Description("기본 색상 위에 그려지는 버튼의 아래쪽 색상입니다.")]
        public Color ButtonColor
        {
            get
            {
                return this.buttonColor;
            }
            set
            {
                this.buttonColor = value;

                Invalidate();
            }
        }

        #endregion
        #region 하이라이트 색상 - HighlightColor

        /// <summary>
        /// 하이라이트 색상
        /// </summary>
        [Category("ImageButton")]
        [DefaultValue(typeof(Color), "White")]
        [Description("버튼 맨 위의 강조 표시 색상입니다.")]
        public Color HighlightColor
        {
            get
            {
                return this.highlightColor;
            }
            set
            {
                this.highlightColor = value;

                Invalidate();
            }
        }

        #endregion
        #region GLOW 색상 - GlowColor

        /// <summary>
        /// GLOW 색상
        /// </summary>
        [Category("ImageButton")]
        [DefaultValue(typeof(Color), "141,189,255")]
        [Description("마우스가 클라이언트 영역 안에 있을 때 버튼이 빛나는 색입니다.")]
        public Color GlowColor
        {
            get
            {
                return this.glowColor;
            }
            set
            {
                this.glowColor = value;

                Invalidate();
            }
        }

        #endregion
        #region 전경색 - ForeColor

        /// <summary>
        /// 전경색
        /// </summary>
        [Category("ImageButton")]
        [Browsable(true)]
        [DefaultValue(typeof(Color), "White")]
        [Description("텍스트가 그려지는 색 입니다.")]
        public override Color ForeColor
        {
            get
            {
                return this.foreColor;
            }
            set
            {
                this.foreColor = value;

                Invalidate();
            }
        }

        #endregion
        #region 텍스트 정렬 - TextAlign

        /// <summary>
        /// 텍스트 정렬
        /// </summary>
        [Category("ImageButton")]
        [DefaultValue(typeof(ContentAlignment), "MiddleCenter")]
        [Description("컨트롤에 표시되는 버튼 텍스트의 정렬 방법입니다.")]
        public ContentAlignment TextAlign
        {
            get
            {
                return this.textAlign;
            }
            set
            {
                this.textAlign = value;

                Invalidate();
            }
        }

        #endregion
        #region 버튼 텍스트 - ButtonText

        /// <summary>
        /// 버튼 텍스트
        /// </summary>
        [Category("ImageButton")]
        [Description("버튼에 표시되는 텍스트입니다.")]
        public String ButtonText
        {
            get
            {
                return this.buttonText;
            }
            set
            {
                this.buttonText = value;

                Invalidate();
            }
        }

        #endregion
        #region 대화 상자 결과 - DialogResult

        /// <summary>
        /// 대화 상자 결과
        /// </summary>
        [Category("ImageButton")]
        [DefaultValue(typeof(DialogResult), "DialogResult.None")]
        public DialogResult DialogResult
        {
            get
            {
                return this.dialogResult;
            }
            set
            {
                this.dialogResult = value;

                Invalidate();
            }
        }

        #endregion

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

        #region 생성자 - ImageButton()

        /// <summary>
        /// 생성자
        /// </summary>
        public ImageButton()
        {
            Name      = "ImageButton";
            Size      = new Size(100, 32);
            BackColor = Color.Transparent;

            this.SetStyle(ControlStyles.AllPaintingInWmPaint        , true);
            this.SetStyle(ControlStyles.DoubleBuffer                , true);
            this.SetStyle(ControlStyles.ResizeRedraw                , true);
            this.SetStyle(ControlStyles.Selectable                  , true);
            this.SetStyle(ControlStyles.SupportsTransparentBackColor, true);
            this.SetStyle(ControlStyles.UserPaint                   , true);

            this.fadeInTimer = new Timer();

            this.fadeInTimer.Interval  = 30;

            this.fadeOutTimer = new Timer();

            this.fadeOutTimer.Interval = 30;

            Resize                 += UserControl_Resize;
            Paint                  += UserControl_Paint;
            KeyUp                  += UserControl_KeyUp;
            KeyDown                += UserControl_KeyDown;
            MouseEnter             += UserControl_MouseEnter;
            MouseDown              += UserControl_MouseDown;
            MouseUp                += UserControl_MouseUp;
            MouseLeave             += UserControl_MouseLeave;
            GotFocus               += UserControl_MouseEnter;
            LostFocus              += UserControl_MouseLeave;
            this.fadeInTimer.Tick  += fadeInTimer_Tick;
            this.fadeOutTimer.Tick += fadeOutTimer_Tick;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Protected

        #region 리소스 해제하기 - Dispose(disposing)

        /// <summary>
        /// 리소스 해제하기
        /// </summary>
        protected override void Dispose(bool disposing)
        {
            if(disposing)
            {
                if(this.container != null)
                {
                    this.container.Dispose();
                }
            }

            base.Dispose(disposing);
        }

        #endregion

        ////////////////////////////////////////////////////////////////////////////////////////// Private
        //////////////////////////////////////////////////////////////////////////////// Event

        #region 사용자 컨트롤 크기 변경시 처리하기 - UserControl_Resize(sender, e)

        /// <summary>
        /// 사용자 컨트롤 크기 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void UserControl_Resize(object sender, EventArgs e)
        {
            Rectangle rectangle = ClientRectangle;

            rectangle.X -= 1;
            rectangle.Y -= 1;

            rectangle.Width  += 2;
            rectangle.Height += 2;

            using
            (
                GraphicsPath graphicsPath = GetRoundRectangleGraphicsPath
                (
                    rectangle,
                    CornerRadius,
                    CornerRadius,
                    CornerRadius,
                    CornerRadius
                )
            )
            {
                Region = new Region(graphicsPath);
            }
        }

        #endregion
        #region 사용자 컨트롤 페인트시 처리하기 - UserControl_Paint(sender, e)

        /// <summary>
        /// 사용자 컨트롤 페인트시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void UserControl_Paint(object sender, PaintEventArgs e)
        {
            e.Graphics.SmoothingMode     = SmoothingMode.AntiAlias;
            e.Graphics.InterpolationMode = InterpolationMode.HighQualityBicubic;

            DrawBackground(e.Graphics);
            DrawHighlight(e.Graphics);
            DrawImage(e.Graphics);
            DrawText(e.Graphics);
            DrawGlow(e.Graphics);
            DrawOuterBorder(e.Graphics);
            DrawInnerBorder(e.Graphics);
        }

        #endregion
        #region 사용자 컨트롤 키 UP시 처리하기 - UserControl_KeyUp(sender, e)

        /// <summary>
        /// 사용자 컨트롤 키 UP시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void UserControl_KeyUp(object sender, KeyEventArgs e)
        {
            if(e.KeyCode == Keys.Enter)
            {
                if(!this.isClicked)
                {
                    return;
                }

                MouseEventArgs mouseEventArgs = new MouseEventArgs(MouseButtons.Left, 0, 0, 0, 0);

                this.calledByKey = true;

                UserControl_MouseUp(sender, mouseEventArgs);
            }
        }

        #endregion
        #region 사용자 컨트롤 키 DOWN시 처리하기 - UserControl_KeyDown(sender, e)

        /// <summary>
        /// 사용자 컨트롤 키 DOWN시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void UserControl_KeyDown(object sender, KeyEventArgs e)
        {
            if(e.KeyCode == Keys.Enter)
            {
                MouseEventArgs mouseEventArgs = new MouseEventArgs(MouseButtons.Left, 0, 0, 0, 0);

                UserControl_MouseDown(sender, mouseEventArgs);
            }
        }

        #endregion
        #region 사용자 컨트롤 마우스 진입시 처리하기 - UserControl_MouseEnter(sender, e)

        /// <summary>
        /// 사용자 컨트롤 마우스 진입시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void UserControl_MouseEnter(object sender, EventArgs e)
        {
            this.buttonState = ImageButtonState.Hover;

            this.fadeOutTimer.Stop();

            this.fadeInTimer.Start();
        }

        #endregion
        #region 사용자 컨트롤 마우스 이탈시 처리하기 - UserControl_MouseLeave(sender, e)

        /// <summary>
        /// 사용자 컨트롤 마우스 이탈시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void UserControl_MouseLeave(object sender, EventArgs e)
        {
            this.buttonState = ImageButtonState.None;

            if(this.buttonStyle == ImageButtonStyle.Flat)
            {
                this.glowAlpha = 0;
            }

            this.fadeInTimer.Stop();

            this.fadeOutTimer.Start();

            this.isClicked = false;
        }

        #endregion
        #region 사용자 컨트롤 마우스 DOWN시 처리하기 - UserControl_MouseDown(sender, e)

        /// <summary>
        /// 사용자 컨트롤 마우스 DOWN시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void UserControl_MouseDown(object sender, MouseEventArgs e)
        {
            if(e.Button == MouseButtons.Left)
            {
                if(this.isClicked)
                {
                    return;
                }

                this.isClicked = true;

                this.buttonState = ImageButtonState.Pressed;

                if(this.buttonStyle != ImageButtonStyle.Flat)
                {
                    this.glowAlpha = 255;
                }

                this.fadeInTimer.Stop();

                this.fadeOutTimer.Stop();

                Invalidate();
            }
        }

        #endregion
        #region 사용자 컨트롤 마우스 UP시 처리하기 - UserControl_MouseUp(sender, e)

        /// <summary>
        /// 사용자 컨트롤 마우스 UP시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void UserControl_MouseUp(object sender, MouseEventArgs e)
        {
            if(e.Button == MouseButtons.Left)
            {
                this.buttonState = ImageButtonState.Hover;

                this.fadeInTimer.Stop();

                this.fadeOutTimer.Stop();

                Invalidate();

                if(this.calledByKey == true)
                {
                    OnClick(EventArgs.Empty);

                    this.calledByKey = false;
                }

                this.isClicked = false;
            }
        }

        #endregion

        #region FADE IN 타이머 틱 처리하기 - fadeInTimer_Tick(sender, e)

        /// <summary>
        /// FADE IN 타이머 틱 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void fadeInTimer_Tick(object sender, EventArgs e)
        {
            if(this.buttonStyle == ImageButtonStyle.Flat)
            {
                this.glowAlpha = 0;
            }

            if(this.glowAlpha + 30 >= 255)
            {
                this.glowAlpha = 255;

                this.fadeInTimer.Stop();
            }
            else
            {
                this.glowAlpha += 30;
            }

            Invalidate();
        }

        #endregion
        #region FADE OUT 타이머 틱 처리하기 - fadeOutTimer_Tick(sender, e)

        /// <summary>
        /// FADE OUT 타이머 틱 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void fadeOutTimer_Tick(object sender, EventArgs e)
        {
            if(this.buttonStyle == ImageButtonStyle.Flat)
            {
                this.glowAlpha = 0;
            }

            if(this.glowAlpha - 30 <= 0)
            {
                this.glowAlpha = 0;

                this.fadeOutTimer.Stop();
            }
            else
            {
                this.glowAlpha -= 30;
            }

            this.Invalidate();
        }

        #endregion

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

        #region 둥근 사각형 그래픽스 패스 구하기 - GetRoundRectangleGraphicsPath(rectangle, r1, r2, r3, r4)

        /// <summary>
        /// 둥근 사각형 그래픽스 패스 구하기
        /// </summary>
        /// <param name="rectangle">사각형</param>
        /// <param name="r1">R1</param>
        /// <param name="r2">R2</param>
        /// <param name="r3">R3</param>
        /// <param name="r4">R4</param>
        /// <returns>둥근 사각형 그래픽스 패스</returns>
        private GraphicsPath GetRoundRectangleGraphicsPath(RectangleF rectangle, float r1, float r2, float r3, float r4)
        {
            float x      = rectangle.X;
            float y      = rectangle.Y;
            float width  = rectangle.Width;
            float height = rectangle.Height;

            GraphicsPath graphicsPath = new GraphicsPath();

            graphicsPath.AddBezier(x, y + r1, x, y, x + r1, y, x + r1, y);

            graphicsPath.AddLine(x + r1, y, x + width - r2, y);

            graphicsPath.AddBezier(x + width - r2, y, x + width, y, x + width, y + r2, x + width, y + r2);

            graphicsPath.AddLine(x + width, y + r2, x + width, y + height - r3);

            graphicsPath.AddBezier
            (
                x + width,
                y + height - r3,
                x + width,
                y + height,
                x + width - r3,
                y + height,
                x + width - r3,
                y + height
            );

            graphicsPath.AddLine(x + width - r3, y + height, x + r4, y + height);

            graphicsPath.AddBezier(x + r4, y + height, x, y + height, x, y + height - r4, x, y + height - r4);

            graphicsPath.AddLine(x, y + height - r4, x, y + r1);

            return graphicsPath;
        }

        #endregion
        #region 문자열 포맷 구하기 - GetStringFormat(textAlignment)

        /// <summary>
        /// 문자열 포맷 구하기
        /// </summary>
        /// <param name="textAlignment">텍스트 정렬</param>
        /// <returns>문자열 포맷</returns>
        private StringFormat GetStringFormat(ContentAlignment textAlignment)
        {
            StringFormat stringFormat = new StringFormat();

            switch(textAlignment)
            {
                case ContentAlignment.TopLeft   :
                case ContentAlignment.TopCenter :
                case ContentAlignment.TopRight  :

                    stringFormat.LineAlignment = StringAlignment.Near;

                    break;

                case ContentAlignment.MiddleLeft   :
                case ContentAlignment.MiddleCenter :
                case ContentAlignment.MiddleRight  :

                    stringFormat.LineAlignment = StringAlignment.Center;

                    break;

                case ContentAlignment.BottomLeft   :
                case ContentAlignment.BottomCenter :
                case ContentAlignment.BottomRight  :

                    stringFormat.LineAlignment = StringAlignment.Far;
                    break;
            }

            switch(textAlignment)
            {
                case ContentAlignment.TopLeft    :
                case ContentAlignment.MiddleLeft :
                case ContentAlignment.BottomLeft :

                    stringFormat.Alignment = StringAlignment.Near;

                    break;

                case ContentAlignment.TopCenter    :
                case ContentAlignment.MiddleCenter :
                case ContentAlignment.BottomCenter :

                    stringFormat.Alignment = StringAlignment.Center;

                    break;

                case ContentAlignment.TopRight    :
                case ContentAlignment.MiddleRight :
                case ContentAlignment.BottomRight :

                    stringFormat.Alignment = StringAlignment.Far;

                    break;
            }

            return stringFormat;
        }

        #endregion
        #region 클리핑 영역 설정하기 - SetClippingArea(graphics)

        /// <summary>
        /// 클리핑 영역 설정하기
        /// </summary>
        /// <param name="graphics">그래픽스</param>
        private void SetClippingArea(Graphics graphics)
        {
            Rectangle rectangle = ClientRectangle;

            rectangle.X++;
            rectangle.Y++;

            rectangle.Width  -= 3;
            rectangle.Height -= 3;

            using
            (
                GraphicsPath graphicsPath = GetRoundRectangleGraphicsPath
                (
                    rectangle,
                    CornerRadius,
                    CornerRadius,
                    CornerRadius,
                    CornerRadius
                )
            )
            {
                graphics.SetClip(graphicsPath);
            }
        }

        #endregion

        #region 외부 테두리 그리기 - DrawOuterBorder(graphics)

        /// <summary>
        /// 외부 테두리 그리기
        /// </summary>
        /// <param name="graphics">그래픽스</param>
        private void DrawOuterBorder(Graphics graphics)
        {
            if(this.buttonStyle == ImageButtonStyle.Flat && this.buttonState == ImageButtonState.None)
            {
                return;
            }

            Rectangle rectangle = ClientRectangle;

            rectangle.Width  -= 1;
            rectangle.Height -= 1;

            using
            (
                GraphicsPath graphicsPath = GetRoundRectangleGraphicsPath
                (
                    rectangle,
                    CornerRadius,
                    CornerRadius,
                    CornerRadius,
                    CornerRadius
                )
            )
            {
                using(Pen pen = new Pen(this.buttonColor))
                {
                    graphics.DrawPath(pen, graphicsPath);
                }
            }
        }

        #endregion
        #region 내부 테두리 그리기 - DrawInnerBorder(graphics)

        /// <summary>
        /// 내부 테두리 그리기
        /// </summary>
        /// <param name="graphics">그래픽스</param>
        private void DrawInnerBorder(Graphics graphics)
        {
            if(this.buttonStyle == ImageButtonStyle.Flat && this.buttonState == ImageButtonState.None)
            {
                return;
            }

            Rectangle rectangle = ClientRectangle;

            rectangle.X++;
            rectangle.Y++;

            rectangle.Width  -= 3;
            rectangle.Height -= 3;

            using
            (
                GraphicsPath graphicsPath = GetRoundRectangleGraphicsPath
                (
                    rectangle,
                    CornerRadius,
                    CornerRadius,
                    CornerRadius,
                    CornerRadius
                )
            )
            {
                using(Pen pen = new Pen(this.highlightColor))
                {
                    graphics.DrawPath(pen, graphicsPath);
                }
            }
        }

        #endregion
        #region 배경 그리기 - DrawBackground(graphics)

        /// <summary>
        /// 배경 그리기
        /// </summary>
        /// <param name="graphics">그래픽스</param>
        private void DrawBackground(Graphics graphics)
        {
            if(this.buttonStyle == ImageButtonStyle.Flat && this.buttonState == ImageButtonState.None)
            {
                return;
            }

            int alpha = (this.buttonState == ImageButtonState.Pressed) ? 204 : 127;

            Rectangle rectangle = ClientRectangle;

            rectangle.Width--;
            rectangle.Height--;

            using
            (
                GraphicsPath graphicsPath = GetRoundRectangleGraphicsPath
                (
                    rectangle,
                    CornerRadius,
                    CornerRadius,
                    CornerRadius,
                    CornerRadius
                )
            )
            {
                using(SolidBrush solidBrush = new SolidBrush(this.baseColor))
                {
                    graphics.FillPath(solidBrush, graphicsPath);
                }

                SetClippingArea(graphics);

                if(this.backImage != null)
                {
                    graphics.DrawImage(this.backImage, ClientRectangle);
                }

                graphics.ResetClip();

                using(SolidBrush solidBrush = new SolidBrush(Color.FromArgb(alpha, this.ButtonColor)))
                {
                    graphics.FillPath(solidBrush, graphicsPath);
                }
            }
        }

        #endregion
        #region 하이라이트 그리기 - DrawHighlight(graphics)

        /// <summary>
        /// 하이라이트 그리기
        /// </summary>
        /// <param name="graphics">그래픽스</param>
        private void DrawHighlight(Graphics graphics)
        {
            if(this.buttonStyle == ImageButtonStyle.Flat && this.buttonState == ImageButtonState.None)
            {
                return;
            }

            int alpha = (this.buttonState == ImageButtonState.Pressed) ? 60 : 150;

            Rectangle rectangle = new Rectangle(0, 0, Width, Height / 2);

            GraphicsPath graphicsPath = GetRoundRectangleGraphicsPath
            (
                rectangle,
                CornerRadius,
                CornerRadius,
                0,
                0
            );

            LinearGradientBrush linearGradientBrush = new LinearGradientBrush
            (
                graphicsPath.GetBounds(),
                Color.FromArgb(alpha,
                this.HighlightColor),
                Color.FromArgb(alpha / 3, this.HighlightColor),
                LinearGradientMode.Vertical
            );

            graphics.FillPath(linearGradientBrush, graphicsPath);

            graphicsPath.Dispose();
            linearGradientBrush.Dispose();
        }

        #endregion
        #region GLOW 그리기 - DrawGlow(graphics)

        /// <summary>
        /// GLOW 그리기
        /// </summary>
        /// <param name="graphics">그래픽스</param>
        private void DrawGlow(Graphics graphics)
        {
            if(this.buttonState == ImageButtonState.Pressed || this.buttonState == ImageButtonState.None)
            {
                return;
            }

            SetClippingArea(graphics);

            using(GraphicsPath graphicsPath = new GraphicsPath())
            {
                graphicsPath.AddEllipse(-5, this.Height / 2 - 10, Width + 11, Height + 11);

                using(PathGradientBrush pathGradientBrush = new PathGradientBrush(graphicsPath))
                {
                    pathGradientBrush.CenterColor    = Color.FromArgb(this.glowAlpha, this.glowColor);
                    pathGradientBrush.SurroundColors = new Color[] { Color.FromArgb(0, this.glowColor) };

                    graphics.FillPath(pathGradientBrush, graphicsPath);
                }
            }

            graphics.ResetClip();
        }

        #endregion
        #region 텍스트 그리기 - DrawText(graphics)

        /// <summary>
        /// 텍스트 그리기
        /// </summary>
        /// <param name="graphics">그래픽스</param>
        private void DrawText(Graphics graphics)
        {
            StringFormat stringFormat = GetStringFormat(this.textAlign);

            Rectangle rectangle = new Rectangle(8, 8, Width - 17, Height - 17);

            graphics.DrawString
            (
                this.buttonText,
                Font,
                new SolidBrush(this.foreColor),
                rectangle,
                stringFormat
            );
        }

        #endregion
        #region 이미지 그리기 - DrawImage(graphics)

        /// <summary>
        /// 이미지 그리기
        /// </summary>
        /// <param name="graphics">그래픽스</param>
        private void DrawImage(Graphics graphics)
        {
            if(this.image == null)
            {
                return;
            }

            Rectangle rectangle = new Rectangle(8, 8, this.imageSize.Width, this.imageSize.Height);

            switch(this.imageAlign)
            {
                case ContentAlignment.TopCenter :

                    rectangle = new Rectangle
                    (
                        Width / 2 - this.imageSize.Width / 2,
                        8,
                        this.imageSize.Width,
                        this.imageSize.Height
                    );

                    break;

                case ContentAlignment.TopRight :

                    rectangle = new Rectangle
                    (
                        Width - 8 - this.imageSize.Width,
                        8,
                        this.imageSize.Width,
                        this.imageSize.Height
                    );

                    break;

                case ContentAlignment.MiddleLeft :

                    rectangle = new Rectangle
                    (
                        8,
                        Height / 2 - this.imageSize.Height / 2,
                        this.imageSize.Width,
                        this.imageSize.Height
                    );

                    break;

                case ContentAlignment.MiddleCenter :

                    rectangle = new Rectangle
                    (
                        Width  / 2 - this.imageSize.Width  / 2,
                        Height / 2 - this.imageSize.Height / 2,
                        this.imageSize.Width,
                        this.imageSize.Height
                    );

                    break;

                case ContentAlignment.MiddleRight :

                    rectangle = new Rectangle
                    (
                        Width  - 8 - this.imageSize.Width,
                        Height / 2 - this.imageSize.Height / 2,
                        this.imageSize.Width,
                        this.imageSize.Height
                    );

                    break;

                case ContentAlignment.BottomLeft :

                    rectangle = new Rectangle
                    (
                        8,
                        Height - 8 - this.imageSize.Height,
                        this.imageSize.Width,
                        this.imageSize.Height
                    );

                    break;

                case ContentAlignment.BottomCenter :

                    rectangle = new Rectangle
                    (
                        Width  / 2 - this.imageSize.Width / 2,
                        Height - 8 - this.imageSize.Height,
                        this.imageSize.Width,
                        this.imageSize.Height
                    );

                    break;

                case ContentAlignment.BottomRight :

                    rectangle = new Rectangle
                    (
                        Width  - 8 - this.imageSize.Width,
                        Height - 8 - this.imageSize.Height,
                        this.imageSize.Width,
                        this.imageSize.Height
                    );

                    break;
            }

            graphics.DrawImage(this.image, rectangle);
        }

        #endregion
    }
}

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using System;

using System.ComponentModel;

using System.Drawing;

using System.Drawing.Drawing2D;

using System.Windows.Forms;

namespace TestProject

{

/// <summary>

/// 이미지 버튼

/// </summary>

public class ImageButton : UserControl

{

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

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

#region 이미지 버튼 스타일 - ImageButtonStyle

/// <summary>

/// 이미지 버튼 스타일

/// </summary>

public enum ImageButtonStyle

{

/// <summary>

/// DEFAULT

/// </summary>

Default,

/// <summary>

/// FLAT

/// </summary>

Flat

};

#endregion

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

#region 이미지 버튼 상태 - ImageButtonState

/// <summary>

/// 이미지 버튼 상태

/// </summary>

private enum ImageButtonState { None, Hover, Pressed };

#endregion

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

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

#region Field

/// <summary>

/// 컨테이너

/// </summary>

private Container container = null;

/// <summary>

/// 버튼 스타일

/// </summary>

private ImageButtonStyle buttonStyle = ImageButtonStyle.Default;

/// <summary>

/// 버튼 상태

/// </summary>

private ImageButtonState buttonState = ImageButtonState.None;

/// <summary>

/// 코너 반지름

/// </summary>

private int cornerRadius = 8;

/// <summary>

/// 배경 이미지

/// </summary>

private Image backImage;

/// <summary>

/// 이미지 크기

/// </summary>

private Size imageSize = new Size(24, 24);

/// <summary>

/// 이미지 정렬

/// </summary>

private ContentAlignment imageAlign = ContentAlignment.MiddleLeft;

/// <summary>

/// 이미지

/// </summary>

private Image image;

/// <summary>

/// 기본 색상

/// </summary>

private Color baseColor = Color.Black;

/// <summary>

/// 버튼 색상

/// </summary>

private Color buttonColor = Color.Black;

/// <summary>

/// 하이라이트 색상

/// </summary>

private Color highlightColor = Color.White;

/// <summary>

/// GLOW 투명도

/// </summary>

private int glowAlpha = 0;

/// <summary>

/// GLOW 색상

/// </summary>

private Color glowColor = Color.FromArgb(141, 189, 255);

/// <summary>

/// 전경색

/// </summary>

private Color foreColor = Color.White;

/// <summary>

/// 텍스트 정렬

/// </summary>

private ContentAlignment textAlign = ContentAlignment.MiddleCenter;

/// <summary>

/// 버튼 텍스트

/// </summary>

private string buttonText;

/// <summary>

/// 대화 상자 결과

/// </summary>

private DialogResult dialogResult = DialogResult.None;

/// <summary>

/// FADE IN 타이머

/// </summary>

private Timer fadeInTimer = null;

/// <summary>

/// FADE OUT 타이머

/// </summary>

private Timer fadeOutTimer = null;

/// <summary>

/// 키로 호출 여부

/// </summary>

private bool calledByKey = false;

/// <summary>

/// 클릭 여부

/// </summary>

private bool isClicked = false;

#endregion

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

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

#region 버튼 스타일 - ButtonStyle

/// <summary>

/// 버튼 스타일

/// </summary>

[Category("ImageButton")]

[DefaultValue(typeof(ImageButtonStyle), "Default")]

[Description("마우스가 클라이언트 영역 밖에 있는 동안 버튼 배경을 그릴지 여부를 설정합니다.")]

public ImageButtonStyle ButtonStyle

{

get

{

return this.buttonStyle;

}

set

{

this.buttonStyle = value;

Invalidate();

}

#endregion

#region 코너 반지름 - CornerRadius

/// <summary>

/// 코너 반지름

/// </summary>

[Category("ImageButton")]

[DefaultValue(8)]

[Description("버튼 모서리의 반지름입니다. 이 값이 클수록 모퉁이가 부드럽습니다. " +

"이 속성은 컨트롤 높이의 절반보다 커서는 안됩니다.")]

public int CornerRadius

{

get

{

return this.cornerRadius;

}

set

{

this.cornerRadius = value;

Invalidate();

}

#endregion

#region 배경 이미지 - BackImage

/// <summary>

/// 배경 이미지

/// </summary>

[Category("ImageButton")]

[DefaultValue(null)]

[Description("버튼의 배경 이미지로, 이 이미지는 버튼의 기본 색상 위에 그려집니다.")]

public Image BackImage

{

get

{

return this.backImage;

}

set

{

this.backImage = value;

Invalidate();

}

#endregion

#region 이미지 크기 - ImageSize

/// <summary>

/// 이미지 크기

/// </summary>

[Category("ImageButton")]

[DefaultValue(typeof(Size), "24, 24")]

[Description("버튼에 표시할 이미지의 크기입니다. 이 속성의 기본값은 24x24입니다.")]

public Size ImageSize

{

get

{

return this.imageSize;

}

set

{

this.imageSize = value;

Invalidate();

}

#endregion

#region 이미지 정렬 - ImageAlign

/// <summary>

/// 이미지 정렬

/// </summary>

[Category("ImageButton")]

[DefaultValue(typeof(ContentAlignment), "MiddleLeft")]

[Description("버튼에 관련한 이미지의 정렬 방법입니다.")]

public ContentAlignment ImageAlign

{

get

{

return this.imageAlign;

}

set

{

this.imageAlign = value;

Invalidate();

}

#endregion

#region 이미지 - Image

/// <summary>

/// 이미지

/// </summary>

[Category("ImageButton")]

[DefaultValue(null)]

[Description("이미지의 정렬 단추에 표시된 이미지는 단추와 관련하여 텍스트가 모호한 경우 " +

"사용자가 기능을 식별하는 데 도움이 됩니다.")]

public Image Image

{

get

{

return this.image;

}

set

{

this.image = value;

Invalidate();

}

#endregion

#region 기본 색상 - BaseColor

[Category("ImageButton")]

[DefaultValue(typeof(Color), "Black")]

[Description("버튼의 나머지 부분이 그려지는 바탕 색상입니다. " +

"글래스 효과를 얻으려면 이 속성을 Transparent로 설정하십시오.")]

public Color BaseColor

{

get

{

return this.baseColor;

}

set

{

this.baseColor = value;

Invalidate();

}

#endregion

#region 버튼 색상 - ButtonColor

/// <summary>

/// 버튼 색상

/// </summary>

[Category("ImageButton")]

[DefaultValue(typeof(Color), "Black")]

[Description("기본 색상 위에 그려지는 버튼의 아래쪽 색상입니다.")]

public Color ButtonColor

{

get

{

return this.buttonColor;

}

set

{

this.buttonColor = value;

Invalidate();

}

#endregion

#region 하이라이트 색상 - HighlightColor

/// <summary>

/// 하이라이트 색상

/// </summary>

[Category("ImageButton")]

[DefaultValue(typeof(Color), "White")]

[Description("버튼 맨 위의 강조 표시 색상입니다.")]

public Color HighlightColor

{

get

{

return this.highlightColor;

}

set

{

this.highlightColor = value;

Invalidate();

}

#endregion

#region GLOW 색상 - GlowColor

/// <summary>

/// GLOW 색상

/// </summary>

[Category("ImageButton")]

[DefaultValue(typeof(Color), "141,189,255")]

[Description("마우스가 클라이언트 영역 안에 있을 때 버튼이 빛나는 색입니다.")]

public Color GlowColor

{

get

{

return this.glowColor;

}

set

{

this.glowColor = value;

Invalidate();

}

#endregion

#region 전경색 - ForeColor

/// <summary>

/// 전경색

/// </summary>

[Category("ImageButton")]

[Browsable(true)]

[DefaultValue(typeof(Color), "White")]

[Description("텍스트가 그려지는 색 입니다.")]

public override Color ForeColor

{

get

{

return this.foreColor;

}

set

{

this.foreColor = value;

Invalidate();

}

#endregion

#region 텍스트 정렬 - TextAlign

/// <summary>

/// 텍스트 정렬

/// </summary>

[Category("ImageButton")]

[DefaultValue(typeof(ContentAlignment), "MiddleCenter")]

[Description("컨트롤에 표시되는 버튼 텍스트의 정렬 방법입니다.")]

public ContentAlignment TextAlign

{

get

{

return this.textAlign;

}

set

{

this.textAlign = value;

Invalidate();

}

#endregion

#region 버튼 텍스트 - ButtonText

/// <summary>

/// 버튼 텍스트

/// </summary>

[Category("ImageButton")]

[Description("버튼에 표시되는 텍스트입니다.")]

public String ButtonText

{

get

{

return this.buttonText;

}

set

{

this.buttonText = value;

Invalidate();

}

#endregion

#region 대화 상자 결과 - DialogResult

/// <summary>

/// 대화 상자 결과

/// </summary>

[Category("ImageButton")]

[DefaultValue(typeof(DialogResult), "DialogResult.None")]

public DialogResult DialogResult

{

get

{

return this.dialogResult;

}

set

{

this.dialogResult = value;

Invalidate();

}

#endregion

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

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

#region 생성자 - ImageButton()

/// <summary>

/// 생성자

/// </summary>

public ImageButton()

{

Name = "ImageButton";

Size = new Size(100, 32);

BackColor = Color.Transparent;

this.SetStyle(ControlStyles.AllPaintingInWmPaint , true);

this.SetStyle(ControlStyles.DoubleBuffer , true);

this.SetStyle(ControlStyles.ResizeRedraw , true);

this.SetStyle(ControlStyles.Selectable , true);

this.SetStyle(ControlStyles.SupportsTransparentBackColor, true);

this.SetStyle(ControlStyles.UserPaint , true);

this.fadeInTimer = new Timer();

this.fadeInTimer.Interval = 30;

this.fadeOutTimer = new Timer();

this.fadeOutTimer.Interval = 30;

Resize += UserControl_Resize;

Paint += UserControl_Paint;

KeyUp += UserControl_KeyUp;

KeyDown += UserControl_KeyDown;

MouseEnter += UserControl_MouseEnter;

MouseDown += UserControl_MouseDown;

MouseUp += UserControl_MouseUp;

MouseLeave += UserControl_MouseLeave;

GotFocus += UserControl_MouseEnter;

LostFocus += UserControl_MouseLeave;

this.fadeInTimer.Tick += fadeInTimer_Tick;

this.fadeOutTimer.Tick += fadeOutTimer_Tick;

}

#endregion

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

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

#region 리소스 해제하기 - Dispose(disposing)

/// <summary>

/// 리소스 해제하기

/// </summary>

protected override void Dispose(bool disposing)

{

if(disposing)

{

if(this.container != null)

{

this.container.Dispose();

}

base.Dispose(disposing);

}

#endregion

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

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

#region 사용자 컨트롤 크기 변경시 처리하기 - UserControl_Resize(sender, e)

/// <summary>

/// 사용자 컨트롤 크기 변경시 처리하기

/// </summary>

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

/// <param name="e">이벤트 인자</param>

private void UserControl_Resize(object sender, EventArgs e)

{

Rectangle rectangle = ClientRectangle;

rectangle.X -= 1;

rectangle.Y -= 1;

rectangle.Width += 2;

rectangle.Height += 2;

using

(

GraphicsPath graphicsPath = GetRoundRectangleGraphicsPath

(

rectangle,

CornerRadius,

CornerRadius

)

{

Region = new Region(graphicsPath);

}

#endregion

#region 사용자 컨트롤 페인트시 처리하기 - UserControl_Paint(sender, e)

/// <summary>

/// 사용자 컨트롤 페인트시 처리하기

/// </summary>

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

/// <param name="e">이벤트 인자</param>

private void UserControl_Paint(object sender, PaintEventArgs e)

{

e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;

e.Graphics.InterpolationMode = InterpolationMode.HighQualityBicubic;

DrawBackground(e.Graphics);

DrawHighlight(e.Graphics);

DrawImage(e.Graphics);

DrawText(e.Graphics);

DrawGlow(e.Graphics);

DrawOuterBorder(e.Graphics);

DrawInnerBorder(e.Graphics);

}

#endregion

#region 사용자 컨트롤 키 UP시 처리하기 - UserControl_KeyUp(sender, e)

/// <summary>

/// 사용자 컨트롤 키 UP시 처리하기

/// </summary>

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

/// <param name="e">이벤트 인자</param>

private void UserControl_KeyUp(object sender, KeyEventArgs e)

{

if(e.KeyCode == Keys.Enter)

{

if(!this.isClicked)

{

return;

}

MouseEventArgs mouseEventArgs = new MouseEventArgs(MouseButtons.Left, 0, 0, 0, 0);

this.calledByKey = true;

UserControl_MouseUp(sender, mouseEventArgs);

}

#endregion

#region 사용자 컨트롤 키 DOWN시 처리하기 - UserControl_KeyDown(sender, e)

/// <summary>

/// 사용자 컨트롤 키 DOWN시 처리하기

/// </summary>

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

/// <param name="e">이벤트 인자</param>

private void UserControl_KeyDown(object sender, KeyEventArgs e)

{

if(e.KeyCode == Keys.Enter)

{

MouseEventArgs mouseEventArgs = new MouseEventArgs(MouseButtons.Left, 0, 0, 0, 0);

UserControl_MouseDown(sender, mouseEventArgs);

}

#endregion

#region 사용자 컨트롤 마우스 진입시 처리하기 - UserControl_MouseEnter(sender, e)

/// <summary>

/// 사용자 컨트롤 마우스 진입시 처리하기

/// </summary>

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

/// <param name="e">이벤트 인자</param>

private void UserControl_MouseEnter(object sender, EventArgs e)

{

this.buttonState = ImageButtonState.Hover;

this.fadeOutTimer.Stop();

this.fadeInTimer.Start();

}

#endregion

#region 사용자 컨트롤 마우스 이탈시 처리하기 - UserControl_MouseLeave(sender, e)

/// <summary>

/// 사용자 컨트롤 마우스 이탈시 처리하기

/// </summary>

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

/// <param name="e">이벤트 인자</param>

private void UserControl_MouseLeave(object sender, EventArgs e)

{

this.buttonState = ImageButtonState.None;

if(this.buttonStyle == ImageButtonStyle.Flat)

{

this.glowAlpha = 0;

}

this.fadeInTimer.Stop();

this.fadeOutTimer.Start();

this.isClicked = false;

}

#endregion

#region 사용자 컨트롤 마우스 DOWN시 처리하기 - UserControl_MouseDown(sender, e)

/// <summary>

/// 사용자 컨트롤 마우스 DOWN시 처리하기

/// </summary>

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

/// <param name="e">이벤트 인자</param>

private void UserControl_MouseDown(object sender, MouseEventArgs e)

{

if(e.Button == MouseButtons.Left)

{

if(this.isClicked)

{

return;

}

this.isClicked = true;

this.buttonState = ImageButtonState.Pressed;

if(this.buttonStyle != ImageButtonStyle.Flat)

{

this.glowAlpha = 255;

}

this.fadeInTimer.Stop();

this.fadeOutTimer.Stop();

Invalidate();

}

#endregion

#region 사용자 컨트롤 마우스 UP시 처리하기 - UserControl_MouseUp(sender, e)

/// <summary>

/// 사용자 컨트롤 마우스 UP시 처리하기

/// </summary>

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

/// <param name="e">이벤트 인자</param>

private void UserControl_MouseUp(object sender, MouseEventArgs e)

{

if(e.Button == MouseButtons.Left)

{

this.buttonState = ImageButtonState.Hover;

this.fadeInTimer.Stop();

this.fadeOutTimer.Stop();

Invalidate();

if(this.calledByKey == true)

{

OnClick(EventArgs.Empty);

this.calledByKey = false;

}

this.isClicked = false;

}

#endregion

#region FADE IN 타이머 틱 처리하기 - fadeInTimer_Tick(sender, e)

/// <summary>

/// FADE IN 타이머 틱 처리하기

/// </summary>

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

/// <param name="e">이벤트 인자</param>

private void fadeInTimer_Tick(object sender, EventArgs e)

{

if(this.buttonStyle == ImageButtonStyle.Flat)

{

this.glowAlpha = 0;

}

if(this.glowAlpha + 30 >= 255)

{

this.glowAlpha = 255;

this.fadeInTimer.Stop();

}

else

{

this.glowAlpha += 30;

}

Invalidate();

}

#endregion

#region FADE OUT 타이머 틱 처리하기 - fadeOutTimer_Tick(sender, e)

/// <summary>

/// FADE OUT 타이머 틱 처리하기

/// </summary>

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

/// <param name="e">이벤트 인자</param>

private void fadeOutTimer_Tick(object sender, EventArgs e)

{

if(this.buttonStyle == ImageButtonStyle.Flat)

{

this.glowAlpha = 0;

}

if(this.glowAlpha - 30 <= 0)

{

this.glowAlpha = 0;

this.fadeOutTimer.Stop();

}

else

{

this.glowAlpha -= 30;

}

this.Invalidate();

}

#endregion

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

#region 둥근 사각형 그래픽스 패스 구하기 - GetRoundRectangleGraphicsPath(rectangle, r1, r2, r3, r4)

/// <summary>

/// 둥근 사각형 그래픽스 패스 구하기

/// </summary>

/// <param name="rectangle">사각형</param>

/// <param name="r1">R1</param>

/// <param name="r2">R2</param>

/// <param name="r3">R3</param>

/// <param name="r4">R4</param>

/// <returns>둥근 사각형 그래픽스 패스</returns>

private GraphicsPath GetRoundRectangleGraphicsPath(RectangleF rectangle, float r1, float r2, float r3, float r4)

{

float x = rectangle.X;

float y = rectangle.Y;

float width = rectangle.Width;

float height = rectangle.Height;

GraphicsPath graphicsPath = new GraphicsPath();

graphicsPath.AddBezier(x, y + r1, x, y, x + r1, y, x + r1, y);

graphicsPath.AddLine(x + r1, y, x + width - r2, y);

graphicsPath.AddBezier(x + width - r2, y, x + width, y, x + width, y + r2, x + width, y + r2);

graphicsPath.AddLine(x + width, y + r2, x + width, y + height - r3);

graphicsPath.AddBezier

(

x + width,

y + height - r3,

x + width,

y + height,

x + width - r3,

y + height,

x + width - r3,

y + height

);

graphicsPath.AddLine(x + width - r3, y + height, x + r4, y + height);

graphicsPath.AddBezier(x + r4, y + height, x, y + height, x, y + height - r4, x, y + height - r4);

graphicsPath.AddLine(x, y + height - r4, x, y + r1);

return graphicsPath;

}

#endregion

#region 문자열 포맷 구하기 - GetStringFormat(textAlignment)

/// <summary>

/// 문자열 포맷 구하기

/// </summary>

/// <param name="textAlignment">텍스트 정렬</param>

/// <returns>문자열 포맷</returns>

private StringFormat GetStringFormat(ContentAlignment textAlignment)

{

StringFormat stringFormat = new StringFormat();

switch(textAlignment)

{

case ContentAlignment.TopLeft :

case ContentAlignment.TopCenter :

case ContentAlignment.TopRight :

stringFormat.LineAlignment = StringAlignment.Near;

break;

case ContentAlignment.MiddleLeft :

case ContentAlignment.MiddleCenter :

case ContentAlignment.MiddleRight :

stringFormat.LineAlignment = StringAlignment.Center;

break;

case ContentAlignment.BottomLeft :

case ContentAlignment.BottomCenter :

case ContentAlignment.BottomRight :

stringFormat.LineAlignment = StringAlignment.Far;

break;

}

switch(textAlignment)

{

case ContentAlignment.TopLeft :

case ContentAlignment.MiddleLeft :

case ContentAlignment.BottomLeft :

stringFormat.Alignment = StringAlignment.Near;

break;

case ContentAlignment.TopCenter :

case ContentAlignment.MiddleCenter :

case ContentAlignment.BottomCenter :

stringFormat.Alignment = StringAlignment.Center;

break;

case ContentAlignment.TopRight :

case ContentAlignment.MiddleRight :

case ContentAlignment.BottomRight :

stringFormat.Alignment = StringAlignment.Far;

break;

}

return stringFormat;

}

#endregion

#region 클리핑 영역 설정하기 - SetClippingArea(graphics)

/// <summary>

/// 클리핑 영역 설정하기

/// </summary>

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

private void SetClippingArea(Graphics graphics)

{

Rectangle rectangle = ClientRectangle;

rectangle.X++;

rectangle.Y++;

rectangle.Width -= 3;

rectangle.Height -= 3;

using

(

GraphicsPath graphicsPath = GetRoundRectangleGraphicsPath

(

rectangle,

CornerRadius,

CornerRadius

)

{

graphics.SetClip(graphicsPath);

}

#endregion

#region 외부 테두리 그리기 - DrawOuterBorder(graphics)

/// <summary>

/// 외부 테두리 그리기

/// </summary>

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

private void DrawOuterBorder(Graphics graphics)

{

if(this.buttonStyle == ImageButtonStyle.Flat && this.buttonState == ImageButtonState.None)

{

return;

}

Rectangle rectangle = ClientRectangle;

rectangle.Width -= 1;

rectangle.Height -= 1;

using

(

GraphicsPath graphicsPath = GetRoundRectangleGraphicsPath

(

rectangle,

CornerRadius,

CornerRadius

)

{

using(Pen pen = new Pen(this.buttonColor))

{

graphics.DrawPath(pen, graphicsPath);

}

#endregion

#region 내부 테두리 그리기 - DrawInnerBorder(graphics)

/// <summary>

/// 내부 테두리 그리기

/// </summary>

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

private void DrawInnerBorder(Graphics graphics)

{

if(this.buttonStyle == ImageButtonStyle.Flat && this.buttonState == ImageButtonState.None)

{

return;

}

Rectangle rectangle = ClientRectangle;

rectangle.X++;

rectangle.Y++;

rectangle.Width -= 3;

rectangle.Height -= 3;

using

(

GraphicsPath graphicsPath = GetRoundRectangleGraphicsPath

(

rectangle,

CornerRadius,

CornerRadius

)

{

using(Pen pen = new Pen(this.highlightColor))

{

graphics.DrawPath(pen, graphicsPath);

}

#endregion

#region 배경 그리기 - DrawBackground(graphics)

/// <summary>

/// 배경 그리기

/// </summary>

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

private void DrawBackground(Graphics graphics)

{

if(this.buttonStyle == ImageButtonStyle.Flat && this.buttonState == ImageButtonState.None)

{

return;

}

int alpha = (this.buttonState == ImageButtonState.Pressed) ? 204 : 127;

Rectangle rectangle = ClientRectangle;

rectangle.Width--;

rectangle.Height--;

using

(

GraphicsPath graphicsPath = GetRoundRectangleGraphicsPath

(

rectangle,

CornerRadius,

CornerRadius

)

{

using(SolidBrush solidBrush = new SolidBrush(this.baseColor))

{

graphics.FillPath(solidBrush, graphicsPath);

}

SetClippingArea(graphics);

if(this.backImage != null)

{

graphics.DrawImage(this.backImage, ClientRectangle);

}

graphics.ResetClip();

using(SolidBrush solidBrush = new SolidBrush(Color.FromArgb(alpha, this.ButtonColor)))

{

graphics.FillPath(solidBrush, graphicsPath);

}

#endregion

#region 하이라이트 그리기 - DrawHighlight(graphics)

/// <summary>

/// 하이라이트 그리기

/// </summary>

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

private void DrawHighlight(Graphics graphics)

{

if(this.buttonStyle == ImageButtonStyle.Flat && this.buttonState == ImageButtonState.None)

{

return;

}

int alpha = (this.buttonState == ImageButtonState.Pressed) ? 60 : 150;

Rectangle rectangle = new Rectangle(0, 0, Width, Height / 2);

GraphicsPath graphicsPath = GetRoundRectangleGraphicsPath

(

rectangle,

CornerRadius,

);

LinearGradientBrush linearGradientBrush = new LinearGradientBrush

(

graphicsPath.GetBounds(),

Color.FromArgb(alpha,

this.HighlightColor),

Color.FromArgb(alpha / 3, this.HighlightColor),

LinearGradientMode.Vertical

);

graphics.FillPath(linearGradientBrush, graphicsPath);

graphicsPath.Dispose();

linearGradientBrush.Dispose();

}

#endregion

#region GLOW 그리기 - DrawGlow(graphics)

/// <summary>

/// GLOW 그리기

/// </summary>

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

private void DrawGlow(Graphics graphics)

{

if(this.buttonState == ImageButtonState.Pressed || this.buttonState == ImageButtonState.None)

{

return;

}

SetClippingArea(graphics);

using(GraphicsPath graphicsPath = new GraphicsPath())

{

graphicsPath.AddEllipse(-5, this.Height / 2 - 10, Width + 11, Height + 11);

using(PathGradientBrush pathGradientBrush = new PathGradientBrush(graphicsPath))

{

pathGradientBrush.CenterColor = Color.FromArgb(this.glowAlpha, this.glowColor);

pathGradientBrush.SurroundColors = new Color[] { Color.FromArgb(0, this.glowColor) };

graphics.FillPath(pathGradientBrush, graphicsPath);

}

graphics.ResetClip();

}

#endregion

#region 텍스트 그리기 - DrawText(graphics)

/// <summary>

/// 텍스트 그리기

/// </summary>

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

private void DrawText(Graphics graphics)

{

StringFormat stringFormat = GetStringFormat(this.textAlign);

Rectangle rectangle = new Rectangle(8, 8, Width - 17, Height - 17);

graphics.DrawString

(

this.buttonText,

Font,

new SolidBrush(this.foreColor),

rectangle,

stringFormat

);

}

#endregion

#region 이미지 그리기 - DrawImage(graphics)

/// <summary>

/// 이미지 그리기

/// </summary>

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

private void DrawImage(Graphics graphics)

{

if(this.image == null)

{

return;

}

Rectangle rectangle = new Rectangle(8, 8, this.imageSize.Width, this.imageSize.Height);

switch(this.imageAlign)

{

case ContentAlignment.TopCenter :

rectangle = new Rectangle

(

Width / 2 - this.imageSize.Width / 2,

this.imageSize.Width,

this.imageSize.Height

);

break;

case ContentAlignment.TopRight :

rectangle = new Rectangle

(

Width - 8 - this.imageSize.Width,

this.imageSize.Width,

this.imageSize.Height

);

break;

case ContentAlignment.MiddleLeft :

rectangle = new Rectangle

(

Height / 2 - this.imageSize.Height / 2,

this.imageSize.Width,

this.imageSize.Height

);

break;

case ContentAlignment.MiddleCenter :

rectangle = new Rectangle

(

Width / 2 - this.imageSize.Width / 2,

Height / 2 - this.imageSize.Height / 2,

this.imageSize.Width,

this.imageSize.Height

);

break;

case ContentAlignment.MiddleRight :

rectangle = new Rectangle

(

Width - 8 - this.imageSize.Width,

Height / 2 - this.imageSize.Height / 2,

this.imageSize.Width,

this.imageSize.Height

);

break;

case ContentAlignment.BottomLeft :

rectangle = new Rectangle

(

Height - 8 - this.imageSize.Height,

this.imageSize.Width,

this.imageSize.Height

);

break;

case ContentAlignment.BottomCenter :

rectangle = new Rectangle

(

Width / 2 - this.imageSize.Width / 2,

Height - 8 - this.imageSize.Height,

this.imageSize.Width,

this.imageSize.Height

);

break;

case ContentAlignment.BottomRight :

rectangle = new Rectangle

(

Width - 8 - this.imageSize.Width,

Height - 8 - this.imageSize.Height,

this.imageSize.Width,

this.imageSize.Height

);

break;

}

graphics.DrawImage(this.image, rectangle);

}

#endregion

}

TestProject.zip