49 lines
1.7 KiB
C#
49 lines
1.7 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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using System.Linq;
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using System.Text;
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using System.Windows.Forms;
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namespace DynamicLink.Controls
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{
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static class RoundedRectangle
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{
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public static GraphicsPath GetPath(Rectangle r, int radius)
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{
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GraphicsPath path = new GraphicsPath();
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int d = radius * 2;
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path.AddLine(r.Left + d, r.Top, r.Right - d, r.Top);
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path.AddArc(Rectangle.FromLTRB(r.Right - d, r.Top, r.Right, r.Top + d), -90, 90);
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path.AddLine(r.Right, r.Top + d, r.Right, r.Bottom - d);
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path.AddArc(Rectangle.FromLTRB(r.Right - d, r.Bottom - d, r.Right, r.Bottom), 0, 90);
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path.AddLine(r.Right - d, r.Bottom, r.Left + d, r.Bottom);
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path.AddArc(Rectangle.FromLTRB(r.Left, r.Bottom - d, r.Left + d, r.Bottom), 90, 90);
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path.AddLine(r.Left, r.Bottom - d, r.Left, r.Top + d);
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path.AddArc(Rectangle.FromLTRB(r.Left, r.Top, r.Left + d, r.Top + d), 180, 90);
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path.CloseFigure();
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return path;
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}
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public static void FillRoundedRectangle(Graphics graphics, Rectangle rectangle, Brush brush, int radius)
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{
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if (graphics == null)
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throw new ArgumentNullException("graphics");
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SmoothingMode mode = graphics.SmoothingMode;
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graphics.SmoothingMode = SmoothingMode.AntiAlias;
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using (GraphicsPath path = GetPath(rectangle, radius))
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{
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graphics.FillPath(brush, path);
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}
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graphics.SmoothingMode = mode;
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}
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}
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}
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