lyfz_repos/铂金版源码/ManagementServer/LYFZ.ComponentLibrary/OtherExpansionControl/LYFZ.OtherExpansion.SkinClass/GraphicsPathHelper.cs

using System;
using System.Drawing;
using System.Drawing.Drawing2D;
namespace LYFZ.OtherExpansion.SkinClass
{
	public static class GraphicsPathHelper
	{
		public static GraphicsPath CreatePath(Rectangle rect, int radius, RoundStyle style, bool correction)
		{
			GraphicsPath path = new GraphicsPath();
			int radiusCorrection = correction ? 1 : 0;
			switch (style)
			{
			case RoundStyle.None:
				path.AddRectangle(rect);
				break;
			case RoundStyle.All:
				path.AddArc(rect.X, rect.Y, radius, radius, 180f, 90f);
				path.AddArc(rect.Right - radius - radiusCorrection, rect.Y, radius, radius, 270f, 90f);
				path.AddArc(rect.Right - radius - radiusCorrection, rect.Bottom - radius - radiusCorrection, radius, radius, 0f, 90f);
				path.AddArc(rect.X, rect.Bottom - radius - radiusCorrection, radius, radius, 90f, 90f);
				break;
			case RoundStyle.Left:
				path.AddArc(rect.X, rect.Y, radius, radius, 180f, 90f);
				path.AddLine(rect.Right - radiusCorrection, rect.Y, rect.Right - radiusCorrection, rect.Bottom - radiusCorrection);
				path.AddArc(rect.X, rect.Bottom - radius - radiusCorrection, radius, radius, 90f, 90f);
				break;
			case RoundStyle.Right:
				path.AddArc(rect.Right - radius - radiusCorrection, rect.Y, radius, radius, 270f, 90f);
				path.AddArc(rect.Right - radius - radiusCorrection, rect.Bottom - radius - radiusCorrection, radius, radius, 0f, 90f);
				path.AddLine(rect.X, rect.Bottom - radiusCorrection, rect.X, rect.Y);
				break;
			case RoundStyle.Top:
				path.AddArc(rect.X, rect.Y, radius, radius, 180f, 90f);
				path.AddArc(rect.Right - radius - radiusCorrection, rect.Y, radius, radius, 270f, 90f);
				path.AddLine(rect.Right - radiusCorrection, rect.Bottom - radiusCorrection, rect.X, rect.Bottom - radiusCorrection);
				break;
			case RoundStyle.Bottom:
				path.AddArc(rect.Right - radius - radiusCorrection, rect.Bottom - radius - radiusCorrection, radius, radius, 0f, 90f);
				path.AddArc(rect.X, rect.Bottom - radius - radiusCorrection, radius, radius, 90f, 90f);
				path.AddLine(rect.X, rect.Y, rect.Right - radiusCorrection, rect.Y);
				break;
			case RoundStyle.BottomLeft:
				path.AddArc(rect.X, rect.Bottom - radius - radiusCorrection, radius, radius, 90f, 90f);
				path.AddLine(rect.X, rect.Y, rect.Right - radiusCorrection, rect.Y);
				path.AddLine(rect.Right - radiusCorrection, rect.Y, rect.Right - radiusCorrection, rect.Bottom - radiusCorrection);
				break;
			case RoundStyle.BottomRight:
				path.AddArc(rect.Right - radius - radiusCorrection, rect.Bottom - radius - radiusCorrection, radius, radius, 0f, 90f);
				path.AddLine(rect.X, rect.Bottom - radiusCorrection, rect.X, rect.Y);
				path.AddLine(rect.X, rect.Y, rect.Right - radiusCorrection, rect.Y);
				break;
			}
			path.CloseFigure();
			return path;
		}
	}
}