| using System; |
| using System.Drawing; |
| using System.Drawing.Drawing2D; |
| using System.Drawing.Imaging; |
| using System.Windows.Forms; |
|
|
| namespace WeifenLuo.WinFormsUI.Docking |
| { |
| public static class DrawHelper |
| { |
| public static Point RtlTransform(Control control, Point point) |
| { |
| if (control.RightToLeft != RightToLeft.Yes) |
| return point; |
| else |
| return new Point(control.Right - point.X, point.Y); |
| } |
|
|
| public static Rectangle RtlTransform(Control control, Rectangle rectangle) |
| { |
| if (control.RightToLeft != RightToLeft.Yes) |
| return rectangle; |
| else |
| return new Rectangle(control.ClientRectangle.Right - rectangle.Right, rectangle.Y, rectangle.Width, rectangle.Height); |
| } |
|
|
| public static GraphicsPath GetRoundedCornerTab(GraphicsPath graphicsPath, Rectangle rect, bool upCorner) |
| { |
| if (graphicsPath == null) |
| graphicsPath = new GraphicsPath(); |
| else |
| graphicsPath.Reset(); |
| |
| int curveSize = 6; |
| if (upCorner) |
| { |
| graphicsPath.AddLine(rect.Left, rect.Bottom, rect.Left, rect.Top + curveSize / 2); |
| graphicsPath.AddArc(new Rectangle(rect.Left, rect.Top, curveSize, curveSize), 180, 90); |
| graphicsPath.AddLine(rect.Left + curveSize / 2, rect.Top, rect.Right - curveSize / 2, rect.Top); |
| graphicsPath.AddArc(new Rectangle(rect.Right - curveSize, rect.Top, curveSize, curveSize), -90, 90); |
| graphicsPath.AddLine(rect.Right, rect.Top + curveSize / 2, rect.Right, rect.Bottom); |
| } |
| else |
| { |
| graphicsPath.AddLine(rect.Right, rect.Top, rect.Right, rect.Bottom - curveSize / 2); |
| graphicsPath.AddArc(new Rectangle(rect.Right - curveSize, rect.Bottom - curveSize, curveSize, curveSize), 0, 90); |
| graphicsPath.AddLine(rect.Right - curveSize / 2, rect.Bottom, rect.Left + curveSize / 2, rect.Bottom); |
| graphicsPath.AddArc(new Rectangle(rect.Left, rect.Bottom - curveSize, curveSize, curveSize), 90, 90); |
| graphicsPath.AddLine(rect.Left, rect.Bottom - curveSize / 2, rect.Left, rect.Top); |
| } |
|
|
| return graphicsPath; |
| } |
|
|
| public static GraphicsPath CalculateGraphicsPathFromBitmap(Bitmap bitmap) |
| { |
| return CalculateGraphicsPathFromBitmap(bitmap, Color.Empty); |
| } |
|
|
| |
| public static GraphicsPath CalculateGraphicsPathFromBitmap(Bitmap bitmap, Color colorTransparent) |
| { |
| GraphicsPath graphicsPath = new GraphicsPath(); |
| if (colorTransparent == Color.Empty) |
| colorTransparent = bitmap.GetPixel(0, 0); |
|
|
| for(int row = 0; row < bitmap.Height; row ++) |
| { |
| int colOpaquePixel = 0; |
| for(int col = 0; col < bitmap.Width; col ++) |
| { |
| if(bitmap.GetPixel(col, row) != colorTransparent) |
| { |
| colOpaquePixel = col; |
| int colNext = col; |
| for(colNext = colOpaquePixel; colNext < bitmap.Width; colNext ++) |
| if(bitmap.GetPixel(colNext, row) == colorTransparent) |
| break; |
| |
| graphicsPath.AddRectangle(new Rectangle(colOpaquePixel, row, colNext - colOpaquePixel, 1)); |
| col = colNext; |
| } |
| } |
| } |
| return graphicsPath; |
| } |
|
|
| public static int Balance(int length, int margin, int input, int lower, int upper) |
| { |
| return Max(Min(input, upper - length - margin), lower + margin); |
| } |
|
|
| private static int Min(int one, int other) |
| { |
| return one > other ? other : one; |
| } |
|
|
| private static int Max(int one, int other) |
| { |
| return one < other ? other : one; |
| } |
| } |
| } |
|
|
