Little Registry Cleaner/Common Tools/TreeViewAdv/GifDecoder.cs

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#pragma warning disable 675 // Bitwise-or operator used on a sign-extended operand

#region Java Info
/**
 * Class GifDecoder - Decodes a GIF file into one or more frames.
 * <br><pre>
 * Example:
 *    GifDecoder d = new GifDecoder();
 *    d.read("sample.gif");
 *    int n = d.getFrameCount();
 *    for (int i = 0; i < n; i++) {
 *       BufferedImage frame = d.getFrame(i);  // frame i
 *       int t = d.getDelay(i);  // display duration of frame in milliseconds
 *       // do something with frame
 *    }
 * </pre>
 * No copyright asserted on the source code of this class.  May be used for
 * any purpose, however, refer to the Unisys LZW patent for any additional
 * restrictions.  Please forward any corrections to kweiner@fmsware.com.
 *
 * @author Kevin Weiner, FM Software; LZW decoder adapted from John Cristy's ImageMagick.
 * @version 1.03 November 2003
 *
 */
#endregion

using System;
using System.Collections;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;

namespace Common_Tools.TreeViewAdv
{
	public class GifFrame
	{
		private Image _image;
		public Image Image
		{
			get { return _image; }
		}

		private int _delay;
		public int Delay
		{
			get { return _delay; }
		}

		public GifFrame(Image im, int del)
		{
			_image = im;
			_delay = del;
		}
	}

	public class GifDecoder 
	{
		public const int StatusOK = 0;//File read status: No errors.
		public const int StatusFormatError = 1; //File read status: Error decoding file (may be partially decoded)
		public const int StatusOpenError = 2; //Unable to open source.