如何制作会动的图片保存为gif等图片格式

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哦说的是C#如何制作会动的图片保存为gif等图片格式

以前用过一个把其他图片合成一个gif图片的工具
好像叫gifMaker什么的  不大记得了

菜鸟终于找到相关内容了大家研究研究如何制作保存gif
private void SetGifBackground(string gifPath)
        {
            Image gif = Image.FromFile(gifPath);
            System.Drawing.Imaging.FrameDimension fd = new System.Drawing.Imaging.FrameDimension(gif.FrameDimensionsList[0]);
            int count = gif.GetFrameCount(fd);    //获取帧数(gif图片可能包含多帧，其它格式图片一般仅一帧)
            Timer giftimer = new Timer();
            giftimer.Interval = 100;
            int i = 0;
            Image bgImg = null;
            giftimer.Tick += (s, e) => {
                if (i >= count) { i = 0; }
                gif.SelectActiveFrame(fd, i);
                stream = new ();
                gif.Save(stream, System.Drawing.Imaging.ImageFormat.Jpeg);
                if (bgImg != null) { bgImg.Dispose(); }
                bgImg = Image.FromStream(stream);
                this.BackgroundImage = bgImg;
                i++;
            };
            giftimer.Start();
        }

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合成GIF

/* create Gif */
//you should replace filepath
String [] imageFilePaths = new String[]{"c:\\01.png","c:\\02.png","c:\\03.png"};
String outputFilePath = "c:\\test.gif";
AnimatedGifEncoder e = new AnimatedGifEncoder();
e.Start( outputFilePath );
e.SetDelay(500);
//-1:no repeat,0:always repeat
e.SetRepeat(0);
for (int i = 0, count = imageFilePaths.Length; i < count; i++ )
{
    e.AddFrame( Image.FromFile( imageFilePaths[i] ) );
}
e.Finish();
/* extract Gif */
string outputPath = "c:\\";
GifDecoder gifDecoder = new GifDecoder();
gifDecoder.Read( "c:\\test.gif" );
for ( int i = 0, count = gifDecoder.GetFrameCount(); i < count; i++ )
{
    Image frame = gifDecoder.GetFrame( i ); // frame i
    frame.Save( outputPath + Guid.NewGuid().ToString() + ".png", ImageFormat.Png );
}

分解GIF

using System.Drawing.Drawing2D;
using System.Drawing.Imaging;

Image imgGif = Image.FromFile(@"d:\test.gif");
//Create a new FrameDimension object from this image
FrameDimension ImgFrmDim = new FrameDimension( imgGif.FrameDimensionsList[0] );

//Determine the number of frames in the image
//Note that all images contain at least 1 frame,
//but an animated GIF will contain more than 1 frame.

int nFrameCount = imgGif.GetFrameCount( ImgFrmDim );

// Save every frame into jpeg format
for( int i = 0; i < nFrameCount; i++ )
{
    imgGif.SelectActiveFrame( ImgFrmDim, i );
    imgGif.Save( string.Format( @"d:\Frame{0}.jpg", i ), ImageFormat.Jpeg );
}

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