108 lines
3.2 KiB
C#
108 lines
3.2 KiB
C#
using System;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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namespace Common.UIControls
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{
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public abstract class RoundedRectangle
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{
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[Flags]
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public enum RectangleCorners
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{
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None = 0, TopLeft = 1, TopRight = 2, BottomLeft = 4, BottomRight = 8,
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All = TopLeft | TopRight | BottomLeft | BottomRight
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}
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public static GraphicsPath Create(int x, int y, int width, int height,
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int radius, RectangleCorners corners)
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{
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int xw = x + width;
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int yh = y + height;
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int xwr = xw - radius;
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int yhr = yh - radius;
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int xr = x + radius;
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int yr = y + radius;
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int r2 = radius * 2;
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int xwr2 = xw - r2;
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int yhr2 = yh - r2;
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var p = new GraphicsPath();
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p.StartFigure();
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//Top Left Corner
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if ((RectangleCorners.TopLeft & corners) == RectangleCorners.TopLeft)
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{
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p.AddArc(x, y, r2, r2, 180, 90);
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}
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else
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{
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p.AddLine(x, yr, x, y);
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p.AddLine(x, y, xr, y);
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}
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//Top Edge
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p.AddLine(xr, y, xwr, y);
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//Top Right Corner
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if ((RectangleCorners.TopRight & corners) == RectangleCorners.TopRight)
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{
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p.AddArc(xwr2, y, r2, r2, 270, 90);
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}
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else
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{
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p.AddLine(xwr, y, xw, y);
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p.AddLine(xw, y, xw, yr);
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}
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//Right Edge
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p.AddLine(xw, yr, xw, yhr);
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//Bottom Right Corner
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if ((RectangleCorners.BottomRight & corners) == RectangleCorners.BottomRight)
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{
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p.AddArc(xwr2, yhr2, r2, r2, 0, 90);
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}
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else
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{
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p.AddLine(xw, yhr, xw, yh);
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p.AddLine(xw, yh, xwr, yh);
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}
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//Bottom Edge
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p.AddLine(xwr, yh, xr, yh);
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//Bottom Left Corner
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if ((RectangleCorners.BottomLeft & corners) == RectangleCorners.BottomLeft)
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{
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p.AddArc(x, yhr2, r2, r2, 90, 90);
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}
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else
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{
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p.AddLine(xr, yh, x, yh);
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p.AddLine(x, yh, x, yhr);
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}
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//Left Edge
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p.AddLine(x, yhr, x, yr);
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p.CloseFigure();
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return p;
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}
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public static GraphicsPath Create(Rectangle rect, int radius, RectangleCorners c)
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{ return Create(rect.X, rect.Y, rect.Width, rect.Height, radius, c); }
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public static GraphicsPath Create(int x, int y, int width, int height, int radius)
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{ return Create(x, y, width, height, radius, RectangleCorners.All); }
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public static GraphicsPath Create(Rectangle rect, int radius)
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{ return Create(rect.X, rect.Y, rect.Width, rect.Height, radius); }
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public static GraphicsPath Create(int x, int y, int width, int height)
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{ return Create(x, y, width, height, 5); }
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public static GraphicsPath Create(Rectangle rect)
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{ return Create(rect.X, rect.Y, rect.Width, rect.Height); }
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}
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}
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