GifImageLib/GifAnimation.cs

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using System;
using System.IO;
using System.Collections.Generic;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media.Imaging;
using System.Windows.Threading;

namespace GifImageLib
{
    
    class GifAnimation : Viewbox
    {
       
        private class GifFrame : Image
        {
            //下载于www.51aspx.com
            public int delayTime;

            public int disposalMethod;
           
            public int left;
            
            public int top;
            
            public int width;
            
            public int height;
        }

        private Canvas canvas = null;

        private List<GifFrame> frameList = null;

        private int frameCounter = 0;
        private int numberOfFrames = 0;

        private int numberOfLoops = -1;
        private int currentLoop = 0;

        private int logicalWidth = 0;
        private int logicalHeight = 0;

        private DispatcherTimer frameTimer = null;

        private GifFrame currentParseGifFrame;

        public GifAnimation()
        {
            canvas = new Canvas();
            this.Child = canvas;
        }

        private void Reset()
        {
            if (frameList != null)
            {
                frameList.Clear();
            }
            frameList = null;