CommonTools/Util.cs

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using System;
using System.Collections.Generic;
using System.Text;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using System.Reflection;


namespace CommonTools
{
	class Util
	{
		public static Rectangle Rect(RectangleF rf)
		{
			Rectangle r = new Rectangle();
			r.X = (int)rf.X;
			r.Y = (int)rf.Y;
			r.Width = (int)rf.Width;
			r.Height = (int)rf.Height;
			return r;
		}
		public static RectangleF Rect(Rectangle r)
		{
			RectangleF rf = new RectangleF();
			rf.X = (float)r.X;
			rf.Y = (float)r.Y;
			rf.Width = (float)r.Width;
			rf.Height = (float)r.Height;
			return rf;
		}
		public static Point Point(PointF pf)
		{
			return new Point((int)pf.X, (int)pf.Y);
		}
		public static PointF Center(RectangleF r)
		{
			PointF center = r.Location;
			center.X += r.Width / 2;
			center.Y += r.Height / 2;
			return center;
		}

		public static void DrawFrame(Graphics dc, RectangleF r, float cornerRadius, Color color)
		{
			Pen pen = new Pen(color);
			if (cornerRadius <= 0)
			{
				dc.DrawRectangle(pen, Rect(r));
				return;
			}
			cornerRadius = (float)Math.Min(cornerRadius, Math.Floor(r.Width) - 2);
			cornerRadius = (float)Math.Min(cornerRadius, Math.Floor(r.Height) - 2);

			GraphicsPath path = new GraphicsPath();
			path.AddArc(r.X,r.Y, cornerRadius, cornerRadius, 180, 90);
			path.AddArc(r.Right-cornerRadius,r.Y, cornerRadius, cornerRadius, 270, 90);
			path.AddArc(r.Right-cornerRadius,r.Bottom-cornerRadius, cornerRadius, cornerRadius, 0, 90);
			path.AddArc(r.X,r.Bottom-cornerRadius, cornerRadius, cornerRadius, 90, 90);