■ Bitmap 클래스를 사용해 합성 이미지를 만드는 방법을 보여준다.
▶ GraphicsExtension.cs
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using System.Drawing; namespace TestProject { /// <summary> /// 그래픽스 확장 /// </summary> public static class GraphicsExtension { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region 사각형 그리기 - DrawRectangle(graphics, pen, rectangle) /// <summary> /// 사각형 그리기 /// </summary> /// <param name="graphics">그래픽스</param> /// <param name="pen">펜</param> /// <param name="rectangle">사각형</param> public static void DrawRectangle(this Graphics graphics, Pen pen, RectangleF rectangle) { graphics.DrawRectangle(pen, rectangle.X, rectangle.Y, rectangle.Width, rectangle.Height); } #endregion #region 상자 그리기 - DrawBox(graphics, brush, pen, centerPoint, radius) /// <summary> /// 상자 그리기 /// </summary> /// <param name="graphics">그래픽스</param> /// <param name="brush">브러시</param> /// <param name="pen">펜</param> /// <param name="centerPoint">중심 포인트</param> /// <param name="radius">반경</param> public static void DrawBox(this Graphics graphics, Brush brush, Pen pen, PointF centerPoint, float radius) { RectangleF rectangle = new RectangleF ( centerPoint.X - radius, centerPoint.Y - radius, 2 * radius, 2 * radius ); graphics.FillRectangle(brush, rectangle); graphics.DrawRectangle(pen, rectangle); } #endregion #region 이미지 확대/축소하기 - ScaleImage(sourceBitmap, scale) /// <summary> /// 이미지 확대/축소하기 /// </summary> /// <param name="sourceBitmap">소스 비트맵</param> /// <param name="scale">스케일</param> /// <returns>비트맵</returns> public static Bitmap ScaleImage(this Bitmap sourceBitmap, float scale) { if(sourceBitmap == null) { return null; } int widthScaled = (int)(sourceBitmap.Width * scale); int heightScaled = (int)(sourceBitmap.Height * scale); Bitmap targetBitmap = new Bitmap(widthScaled, heightScaled); using(Graphics graphics = Graphics.FromImage(targetBitmap)) { Point[] targetPointArray = { new Point(0 , 0 ), new Point(widthScaled - 1, 0 ), new Point(0 , heightScaled - 1) }; Rectangle targetRectangle = new Rectangle ( 0, 0, sourceBitmap.Width - 1, sourceBitmap.Height - 1 ); graphics.DrawImage(sourceBitmap, targetPointArray, targetRectangle, GraphicsUnit.Pixel); } return targetBitmap; } #endregion } } |
▶ BitmapHelper.cs
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using System.Drawing; using System.Drawing.Imaging; using System.Runtime.InteropServices; namespace TestProject { /// <summary> /// 비트맵 헬퍼 /// </summary> public class BitmapHelper { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Public #region Field /// <summary> /// 픽셀 비트 수 /// </summary> public const int PIXEL_BIT_COUNT = 32; /// <summary> /// 이미지 바이트 배열 /// </summary> public byte[] ImageByteArray; /// <summary> /// 행 바이트 수 /// </summary> public int RowByteCount; #endregion ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 소스 비트맵 /// </summary> private Bitmap sourceBitmap; /// <summary> /// 소스 비트맵 데이터 /// </summary> private BitmapData sourceBitmapData; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 너비 - Width /// <summary> /// 너비 /// </summary> public int Width { get { return this.sourceBitmap.Width; } } #endregion #region 높이 - Height /// <summary> /// 높이 /// </summary> public int Height { get { return this.sourceBitmap.Height; } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - BitmapHelper(sourceBitmap) /// <summary> /// 생성자 /// </summary> /// <param name="sourceBitmap">소스 비트맵</param> public BitmapHelper(Bitmap sourceBitmap) { this.sourceBitmap = sourceBitmap; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Public #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.sourceBitmapData.Stride + x * 4; blue = ImageByteArray[i++]; green = ImageByteArray[i++]; red = ImageByteArray[i++]; alpha = ImageByteArray[i ]; } #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.sourceBitmapData.Stride + x * 4; return ImageByteArray[i + 2]; } #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.sourceBitmapData.Stride + x * 4; return ImageByteArray[i + 1]; } #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.sourceBitmapData.Stride + x * 4; return ImageByteArray[i]; } #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.sourceBitmapData.Stride + x * 4; return ImageByteArray[i + 3]; } #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.sourceBitmapData.Stride + x * 4; ImageByteArray[i++] = blue; ImageByteArray[i++] = green; ImageByteArray[i++] = red; ImageByteArray[i ] = alpha; } #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.sourceBitmapData.Stride + x * 4; ImageByteArray[i + 2] = red; } #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.sourceBitmapData.Stride + x * 4; ImageByteArray[i + 1] = green; } #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.sourceBitmapData.Stride + x * 4; ImageByteArray[i] = blue; } #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.sourceBitmapData.Stride + x * 4; ImageByteArray[i + 3] = alpha; } #endregion #region 비트맵 잠금 설정하기 - LockBitmap() /// <summary> /// 비트맵 잠금 설정하기 /// </summary> public void LockBitmap() { Rectangle sourceRectangle = new Rectangle ( 0, 0, this.sourceBitmap.Width, this.sourceBitmap.Height ); this.sourceBitmapData = this.sourceBitmap.LockBits ( sourceRectangle, ImageLockMode.ReadWrite, PixelFormat.Format32bppArgb ); RowByteCount = this.sourceBitmapData.Stride; int totalByteCount = this.sourceBitmapData.Stride * this.sourceBitmapData.Height; ImageByteArray = new byte[totalByteCount]; Marshal.Copy(this.sourceBitmapData.Scan0, ImageByteArray, 0, totalByteCount); } #endregion #region 비트맵 잠금 해제하기 - UnlockBitmap() /// <summary> /// 비트맵 잠금 해제하기 /// </summary> public void UnlockBitmap() { int totalByteCount = this.sourceBitmapData.Stride * this.sourceBitmapData.Height; Marshal.Copy(ImageByteArray, 0, this.sourceBitmapData.Scan0, totalByteCount); this.sourceBitmap.UnlockBits(this.sourceBitmapData); ImageByteArray = null; this.sourceBitmapData = null; } #endregion } } |
▶ MainForm.cs
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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 { //////////////////////////////////////////////////////////////////////////////////////////////////// Enumeration ////////////////////////////////////////////////////////////////////////////////////////// Private #region 히트 타입 - HitType /// <summary> /// 히트 타입 /// </summary> private enum HitType { /// <summary> /// 해당 무 /// </summary> None, /// <summary> /// 몸체 /// </summary> Body, /// <summary> /// 왼쪽 가장자리 /// </summary> LeftEdge, /// <summary> /// 오른쪽 가장자리 /// </summary> RightEdge, /// <summary> /// 위쪽 가장자리 /// </summary> TopEdge, /// <summary> /// 아래쪽 가장자리 /// </summary> BottomEdge, /// <summary> /// 상단 왼쪽 모서리 /// </summary> TopLeftCorner, /// <summary> /// 상단 오른쪽 모서리 /// </summary> TopRightCorner, /// <summary> /// 하단 왼쪽 모서리 /// </summary> BottomLeftCorner, /// <summary> /// 하단 오른쪽 모서리 /// </summary> BottomRightCorner, }; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 상자 반경 /// </summary> private const int BOX_RADIUS = 4; /// <summary> /// 배경 비트맵 /// </summary> private Bitmap backgroundBitmap = null; /// <summary> /// 전경 비트맵 /// </summary> private Bitmap foregroundBitmap = null; /// <summary> /// 전경 사각형 /// </summary> private RectangleF foregroundRectangle = new RectangleF(-10, -10, 1, 1); /// <summary> /// 드래그 여부 /// </summary> private bool isDragging = false; /// <summary> /// 히트 타입 /// </summary> private HitType hitType = HitType.None; /// <summary> /// 마지막 마우스 포인트 /// </summary> private Point lastMousePoint; /// <summary> /// 반대 모서리 /// </summary> private PointF oppositeCorner; /// <summary> /// 이미지 확대/축소 /// </summary> private float imageScale = 1f; /// <summary> /// 종횡비 /// </summary> private float aspectRatio = 1f; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainForm() /// <summary> /// 생성자 /// </summary> public MainForm() { InitializeComponent(); } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private //////////////////////////////////////////////////////////////////////////////// Event #region 배경 이미지 메뉴 항목 클릭시 처리하기 - backgroundImageMenuItem_Click(sender, e) /// <summary> /// 배경 이미지 메뉴 항목 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void backgroundImageMenuItem_Click(object sender, EventArgs e) { if(this.openFileDialog.ShowDialog() == DialogResult.OK) { this.backgroundBitmap = GetBitmap(this.openFileDialog.FileName); this.pictureBox.Image = this.backgroundBitmap.ScaleImage(this.imageScale); this.pictureBox.Refresh(); } } #endregion #region 전경 이미지 메뉴 항목 클릭시 처리하기 - foregroundImageMenuItem_Click(sender, e) /// <summary> /// 전경 이미지 메뉴 항목 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void foregroundImageMenuItem_Click(object sender, EventArgs e) { if(this.openFileDialog.ShowDialog() == DialogResult.OK) { this.foregroundBitmap = GetBitmap(this.openFileDialog.FileName); this.foregroundRectangle = new RectangleF ( 0, 0, this.foregroundBitmap.Width, this.foregroundBitmap.Height ); this.aspectRatio = (float)this.foregroundBitmap.Width / (float)this.foregroundBitmap.Height; Bitmap ellipseBitmap = new Bitmap(this.foregroundBitmap.Width, this.foregroundBitmap.Height); using(Graphics ellipseGraphics = Graphics.FromImage(ellipseBitmap)) { ellipseGraphics.Clear(Color.Transparent); using(GraphicsPath path = new GraphicsPath()) { path.AddEllipse(this.foregroundRectangle); using(PathGradientBrush brush = new PathGradientBrush(path)) { Blend blend = new Blend(); blend.Positions = new float[] { 0.0f, 0.05f, 1.0f }; blend.Factors = new float[] { 0.0f, 1.0f , 1.0f }; brush.CenterPoint = new PointF ( this.foregroundBitmap.Width / 2f, this.foregroundBitmap.Height / 2f ); brush.CenterColor = Color.White; brush.SurroundColors = new Color[] { Color.FromArgb(0, 0, 0, 0) }; brush.Blend = blend; ellipseGraphics.FillPath(brush, path); } } } CopyAlpha(this.foregroundBitmap, ellipseBitmap); this.pictureBox.Refresh(); } } #endregion #region 다른 이름으로 저장 메뉴 항목 클릭시 처리하기 - saveAsMenuItem_Click(sender, e) /// <summary> /// 다른 이름으로 저장 메뉴 항목 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void saveAsMenuItem_Click(object sender, EventArgs e) { if(this.saveFileDialog.ShowDialog() == DialogResult.OK) { Bitmap targetBitmap = new Bitmap(this.backgroundBitmap); if(this.foregroundBitmap != null) { using(Graphics targetGraphics = Graphics.FromImage(targetBitmap)) { targetGraphics.DrawImage(this.foregroundBitmap, this.foregroundRectangle); } } SaveImage(targetBitmap, this.saveFileDialog.FileName); } } #endregion #region 종료 메뉴 항목 클릭시 처리하기 - exitMenuItem_Click(sender, e) /// <summary> /// 종료 메뉴 항목 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void exitMenuItem_Click(object sender, EventArgs e) { Close(); } #endregion #region 확대/축소 메뉴 항목 클릭시 처리하기 - scaleMenuItem_Click(sender, e) /// <summary> /// 확대/축소 메뉴 항목 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void scaleMenuItem_Click(object sender, EventArgs e) { ToolStripMenuItem menuItem = sender as ToolStripMenuItem; string scaleText = menuItem.Text.Replace("&", "").Replace("%", ""); this.imageScale = float.Parse(scaleText) / 100f; this.pictureBox.Image = this.backgroundBitmap.ScaleImage(this.imageScale); this.pictureBox.Refresh(); this.scaleMenuItem.Text = "확대/축소 (" + menuItem.Text.Replace("&", "") + ")"; foreach(ToolStripMenuItem childMenuItem in scaleMenuItem.DropDownItems) { childMenuItem.Checked = (childMenuItem == menuItem); } } #endregion #region 픽처 박스 마우스 DOWN 처리하기 - pictureBox_MouseDown(sender, e) /// <summary> /// 픽처 박스 마우스 DOWN 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void pictureBox_MouseDown(object sender, MouseEventArgs e) { this.hitType = FindHitType(e.Location); if(this.hitType == HitType.None) { return; } this.lastMousePoint = e.Location; switch(this.hitType) { case HitType.None : break; case HitType.TopLeftCorner : case HitType.TopEdge : case HitType.LeftEdge : this.oppositeCorner = new PointF ( this.foregroundRectangle.Right, this.foregroundRectangle.Bottom ); break; case HitType.TopRightCorner : this.oppositeCorner = new PointF ( this.foregroundRectangle.Left, this.foregroundRectangle.Bottom ); break; case HitType.BottomRightCorner : case HitType.BottomEdge : case HitType.RightEdge : this.oppositeCorner = new PointF ( this.foregroundRectangle.Left, this.foregroundRectangle.Top ); break; case HitType.BottomLeftCorner : this.oppositeCorner = new PointF ( this.foregroundRectangle.Right, this.foregroundRectangle.Top ); break; } this.isDragging = true; } #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) { if(this.isDragging) { ProcessDraggingMouseMove(e.Location); } else { ProcessNotDraggingMouseMove(e.Location); } } #endregion #region 픽처 박스 마우스 UP 처리하기 - pictrueBox_MouseUp(sender, e) /// <summary> /// 픽처 박스 마우스 UP 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void pictrueBox_MouseUp(object sender, MouseEventArgs e) { this.isDragging = false; } #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; e.Graphics.InterpolationMode = InterpolationMode.High; try { RectangleF foregoundRectangleScaled = ScaleForegroundRectangle(); if(this.foregroundBitmap != null) { e.Graphics.DrawImage(this.foregroundBitmap, foregoundRectangleScaled); } using(Pen pen = new Pen(Color.Red, 2)) { e.Graphics.DrawRectangle(pen, foregoundRectangleScaled); pen.Color = Color.Yellow; pen.DashPattern = new float[] { 5, 5 }; e.Graphics.DrawRectangle(pen, foregoundRectangleScaled); } PointF[] cornerPointArray = { new PointF(foregoundRectangleScaled.Left , foregoundRectangleScaled.Top ), new PointF(foregoundRectangleScaled.Right, foregoundRectangleScaled.Top ), new PointF(foregoundRectangleScaled.Left , foregoundRectangleScaled.Bottom), new PointF(foregoundRectangleScaled.Right, foregoundRectangleScaled.Bottom), }; foreach(PointF point in cornerPointArray) { e.Graphics.DrawBox(Brushes.White, Pens.Black, point, BOX_RADIUS); } } catch { } } #endregion //////////////////////////////////////////////////////////////////////////////// Function #region 비트맵 구하기 - GetBitmap(filePath) /// <summary> /// 비트맵 구하기 /// </summary> /// <param name="filePath">파일 경로</param> /// <returns>비트맵</returns> private Bitmap GetBitmap(string filePath) { using(Bitmap bitmap = new Bitmap(filePath)) { return new Bitmap(bitmap); } } #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 확장 : " + fileExtension); } } #endregion #region 알파 채널 복사하기 - CopyAlpha(targetBitmap, sourceMaskBitmap) /// <summary> /// 알파 채널 복사하기 /// </summary> /// <param name="targetBitmap">타겟 비트맵</param> /// <param name="sourceMaskBitmap">소스 마스크 비트맵</param> private void CopyAlpha(Bitmap targetBitmap, Bitmap sourceMaskBitmap) { BitmapHelper targetBitmapHelper = new BitmapHelper(targetBitmap ); BitmapHelper sourceMaskBitmapHelper = new BitmapHelper(sourceMaskBitmap); targetBitmapHelper.LockBitmap(); sourceMaskBitmapHelper.LockBitmap(); for(int x = 0; x < targetBitmap.Width; x++) { for(int y = 0; y < targetBitmap.Height; y++) { targetBitmapHelper.SetAlpha(x, y, sourceMaskBitmapHelper.GetAlpha(x, y)); } } sourceMaskBitmapHelper.UnlockBitmap(); targetBitmapHelper.UnlockBitmap(); } #endregion #region 전경 이미지 사각형 확대/축소하기 - ScaleForegroundRectangle() /// <summary> /// 전경 이미지 사각형 확대/축소하기 /// </summary> /// <returns>전경 이미지 사각형 확대/축소하기</returns> private RectangleF ScaleForegroundRectangle() { float x = this.imageScale * this.foregroundRectangle.X; float y = this.imageScale * this.foregroundRectangle.Y; float width = this.imageScale * this.foregroundRectangle.Width; float height = this.imageScale * this.foregroundRectangle.Height; return new RectangleF(x, y, width, height); } #endregion #region 히트 타입 찾기 - FindHitType(point) /// <summary> /// 히트 타입 찾기 /// </summary> /// <param name="point">포인트</param> /// <returns>히트 타입</returns> private HitType FindHitType(Point point) { RectangleF rectangle = ScaleForegroundRectangle(); bool hitLeft; bool hitRight; bool hitTop; bool hitBottom; hitLeft = ((point.X >= rectangle.Left - BOX_RADIUS) && (point.X <= rectangle.Left + BOX_RADIUS)); hitRight = ((point.X >= rectangle.Right - BOX_RADIUS) && (point.X <= rectangle.Right + BOX_RADIUS)); hitTop = ((point.Y >= rectangle.Top - BOX_RADIUS) && (point.Y <= rectangle.Top + BOX_RADIUS)); hitBottom = ((point.Y >= rectangle.Bottom - BOX_RADIUS) && (point.Y <= rectangle.Bottom + BOX_RADIUS)); if(hitLeft && hitTop) { return HitType.TopLeftCorner; } if(hitRight && hitTop) { return HitType.TopRightCorner; } if(hitLeft && hitBottom) { return HitType.BottomLeftCorner; } if(hitRight && hitBottom) { return HitType.BottomRightCorner; } if(hitLeft) { return HitType.LeftEdge; } if(hitRight) { return HitType.RightEdge; } if(hitTop) { return HitType.TopEdge; } if(hitBottom) { return HitType.BottomEdge; } if((point.X >= rectangle.Left) && (point.X <= rectangle.Right ) && (point.Y >= rectangle.Top ) && (point.Y <= rectangle.Bottom)) { return HitType.Body; } return HitType.None; } #endregion #region 감소된 크기 구하기 - GetReducedSize(newWidth, newHeight) /// <summary> /// 감소된 크기 구하기 /// </summary> /// <param name="newWidth">신규 너비</param> /// <param name="newHeight">신규 높이</param> /// <returns>감소된 크기</returns> private SizeF GetReducedSize(float newWidth, float newHeight) { if(newWidth < 10) { newWidth = 10; } if(newHeight < 10) { newHeight = 10; } if(newWidth / newHeight > this.aspectRatio) { newWidth = newHeight * this.aspectRatio; } else { newHeight = newWidth / this.aspectRatio; } return new SizeF(newWidth, newHeight); } #endregion #region 확장된 크기 구하기 - GetEnlargedSize(newWidth, newHeight) /// <summary> /// 확장된 크기 구하기 /// </summary> /// <param name="newWidth">신규 너비</param> /// <param name="newHeight">신규 높이</param> /// <returns>확장된 크기</returns> private SizeF GetEnlargedSize(float newWidth, float newHeight) { if(newWidth < 10) { newWidth = 10; } if(newHeight < 10) { newHeight = 10; } if(newWidth / newHeight > this.aspectRatio) { newHeight = newWidth / this.aspectRatio; } else { newWidth = newHeight * this.aspectRatio; } return new SizeF(newWidth, newHeight); } #endregion #region 드래그하는 경우 마우스 이동시 처리하기 - ProcessDraggingMouseMove(mousePoint) /// <summary> /// 드래그하는 경우 마우스 이동시 처리하기 /// </summary> /// <param name="mousePoint">마우스 포인트</param> private void ProcessDraggingMouseMove(Point mousePoint) { float cornerWidth = Math.Abs(this.oppositeCorner.X - mousePoint.X / this.imageScale); float cornerHeight = Math.Abs(this.oppositeCorner.Y - mousePoint.Y / this.imageScale); SizeF cornerSize = GetReducedSize(cornerWidth, cornerHeight); SizeF edgeSize = new SizeF(); if((this.hitType == HitType.TopEdge) || (this.hitType == HitType.BottomEdge)) { edgeSize = GetEnlargedSize(0, cornerHeight); } else if((this.hitType == HitType.LeftEdge) || (this.hitType == HitType.RightEdge)) { edgeSize = GetEnlargedSize(cornerWidth, 0); } float centerX = this.foregroundRectangle.X + this.foregroundRectangle.Width / 2f; float centerY = this.foregroundRectangle.Y + this.foregroundRectangle.Height / 2f; switch(this.hitType) { case HitType.TopLeftCorner : this.foregroundRectangle = new RectangleF ( this.foregroundRectangle.Right - cornerSize.Width, this.foregroundRectangle.Bottom - cornerSize.Height, cornerSize.Width, cornerSize.Height ); break; case HitType.TopRightCorner : this.foregroundRectangle = new RectangleF ( this.foregroundRectangle.Left, this.foregroundRectangle.Bottom - cornerSize.Height, cornerSize.Width, cornerSize.Height ); break; case HitType.BottomRightCorner : this.foregroundRectangle = new RectangleF ( this.foregroundRectangle.X, this.foregroundRectangle.Y, cornerSize.Width, cornerSize.Height ); break; case HitType.BottomLeftCorner : this.foregroundRectangle = new RectangleF ( this.foregroundRectangle.Right - cornerSize.Width, this.foregroundRectangle.Top, cornerSize.Width, cornerSize.Height ); break; case HitType.TopEdge : this.foregroundRectangle = new RectangleF ( centerX - edgeSize.Width / 2f, this.foregroundRectangle.Bottom - edgeSize.Height, edgeSize.Width, edgeSize.Height ); break; case HitType.RightEdge : this.foregroundRectangle = new RectangleF ( this.foregroundRectangle.Left, centerY - edgeSize.Height / 2f, edgeSize.Width, edgeSize.Height ); break; case HitType.BottomEdge : this.foregroundRectangle = new RectangleF ( centerX - edgeSize.Width / 2f, this.foregroundRectangle.Top, edgeSize.Width, edgeSize.Height ); break; case HitType.LeftEdge : this.foregroundRectangle = new RectangleF ( this.foregroundRectangle.Right - edgeSize.Width, centerY - edgeSize.Height / 2f, edgeSize.Width, edgeSize.Height ); break; case HitType.Body : int deltaX = (int)((mousePoint.X - this.lastMousePoint.X) / this.imageScale); int deltaY = (int)((mousePoint.Y - this.lastMousePoint.Y) / this.imageScale); this.foregroundRectangle.X += deltaX; this.foregroundRectangle.Y += deltaY; break; } this.lastMousePoint = mousePoint; this.pictureBox.Refresh(); } #endregion #region 드래그하지 않는 경우 마우스 이동시 처리하기 - ProcessNotDraggingMouseMove(mousePoint) /// <summary> /// 드래그하지 않는 경우 마우스 이동시 처리하기 /// </summary> /// <param name="mousePoint">마우스 포인트</param> private void ProcessNotDraggingMouseMove(Point mousePoint) { Cursor newCursor = Cursors.Default; this.hitType = FindHitType(mousePoint); switch(this.hitType) { case HitType.TopLeftCorner : case HitType.BottomRightCorner : newCursor = Cursors.SizeNWSE; break; case HitType.TopRightCorner : case HitType.BottomLeftCorner : newCursor = Cursors.SizeNESW; break; case HitType.LeftEdge : case HitType.RightEdge : newCursor = Cursors.SizeWE; break; case HitType.TopEdge : case HitType.BottomEdge : newCursor = Cursors.SizeNS; break; case HitType.Body : newCursor = Cursors.SizeAll; break; } if(this.pictureBox.Cursor != newCursor) { this.pictureBox.Cursor = newCursor; } } #endregion } } |
