Article Two: Building a UI Platform in C# - Testing via UI Animation

// (c) 2003-2005 Datron, Inc.  All rights reserved. http://www.blix.net

using System;

namespace freeBlix
{
	public class Graphics: IDisposable
	{
		#region static FromImage
		public static Graphics FromImage(System.Drawing.Image aImage)
		{
			return new Graphics(System.Drawing.Graphics.FromImage(aImage));
		}
		#endregion

		#region Fields
		private System.Drawing.Graphics _WindowsGraphics;
		#endregion

		#region Graphics(aGraphics)
		public Graphics(System.Drawing.Graphics aGraphics)
		{
			_WindowsGraphics = aGraphics;
		}
		#endregion

		#region Clear
		public void Clear(System.Drawing.Color aColor)
		{
			_WindowsGraphics.Clear(aColor);
		}
		#endregion
		#region DrawImage(aImage, aLocation)
		public void DrawImage(System.Drawing.Image aImage, Point aLocation)
		{
			_WindowsGraphics.DrawImage(aImage, aLocation.X, aLocation.Y);
		}
		#endregion
		#region DrawImage(aImage, aLocation, aRectangle)
		public void DrawImage(System.Drawing.Image aImage, Point aLocation, Rectangle aRectangle)
		{	
			System.Drawing.Rectangle rectangle = new System.Drawing.Rectangle(aRectangle.Left, aRectangle.Top, aRectangle.Width, aRectangle.Height);

			_WindowsGraphics.DrawImage(aImage, aLocation.X, aLocation.Y, rectangle, System.Drawing.GraphicsUnit.Pixel);			
		}
		#endregion
		#region DrawImage(aImage, aDestinationRectangle, aSourceRectangle)
		public void DrawImage(System.Drawing.Image aImage, Rectangle aDestinationRectangle, Rectangle aSourceRectangle)
		{
			System.Drawing.Rectangle destRect = new System.Drawing.Rectangle(aDestinationRectangle.Left, aDestinationRectangle.Top, aDestinationRectangle.Width, aDestinationRectangle.Height);
			System.Drawing.Rectangle sourceRect = new System.Drawing.Rectangle(aSourceRectangle.Left, aSourceRectangle.Top, aSourceRectangle.Width, aSourceRectangle.Height);

			_WindowsGraphics.DrawImage(aImage, destRect, sourceRect, System.Drawing.GraphicsUnit.Pixel);
		}
		#endregion	
		#region DrawRectangle
		public void DrawRectangle(System.Drawing.Pen aPen, Rectangle aRectangle)
		{
			_WindowsGraphics.DrawRectangle(aPen, aRectangle.Left, aRectangle.Top, aRectangle.Width - 1, aRectangle.Height - 1);
		}
		#endregion
		#region DrawLine(aPen, aStartPoint, aEndPoint)
		public void DrawLine(System.Drawing.Pen aPen, Point aStartPoint, Point aEndPoint)
		{
			int x1 = aStartPoint.X;
			int x2 = aEndPoint.X;
			int y1 = aStartPoint.Y;
			int y2 = aEndPoint.Y;

			_WindowsGraphics.DrawLine(aPen, x1, y1, x2, y2);
		}
		#endregion
		#region DrawLine(aPen, aX1, aY1, aX2, aY2)
		public void DrawLine(System.Drawing.Pen aPen, int aX1, int aY1, int aX2, int aY2)
		{
			_WindowsGraphics.DrawLine(aPen, aX1, aY1, aX2, aY2);
		}
		#endregion
		#region DrawPixel(aPen, aX, aY)
		public void DrawPixel(System.Drawing.Pen aPen, int aX, int aY)
		{
			_WindowsGraphics.DrawLine(aPen, aX, aY, (float)aX + 0.1f, aY);
		}
		#endregion
		#region DrawPixel(aPen, aPoint)
		public void DrawPixel(System.Drawing.Pen aPen, Point aPoint)
		{
			_WindowsGraphics.DrawLine(aPen, aPoint.X, aPoint.Y, (float)aPoint.X + 0.1f, aPoint.Y);
		}
		#endregion
		#region FillRectangle
		public void FillRectangle(System.Drawing.Brush aBrush, Rectangle aRectangle)
		{
			_WindowsGraphics.FillRectangle(aBrush, aRectangle.Left, aRectangle.Top, aRectangle.Width, aRectangle.Height);
		}
		#endregion

		#region Clip
		public Rectangle Clip
		{
			get
			{
				System.Drawing.Rectangle clipBounds = System.Drawing.Rectangle.Truncate(_WindowsGraphics.ClipBounds);

				return new Rectangle(clipBounds.Left, clipBounds.Top, clipBounds.Width, clipBounds.Height);
			}
			set
			{
				System.Drawing.Rectangle rectangle = new System.Drawing.Rectangle(value.Left, value.Top, value.Width, value.Height);

				_WindowsGraphics.Clip = new System.Drawing.Region(rectangle);
			}
		}
		#endregion
		#region WindowsGraphics
		public System.Drawing.Graphics WindowsGraphics
		{
			get
			{
				return _WindowsGraphics;
			}
		}
		#endregion

		#region IDisposable
		void IDisposable.Dispose()
		{
			((IDisposable)_WindowsGraphics).Dispose();
		}
		#endregion
	}
}