private void ParseGif(byte[] gifData)
{
this._frameList = new List<GifFrame>();
this._currentParseGifFrame = new GifFrame();
this.ParseGifDataStream(gifData, 0);
}
private int ParseBlock(byte[] gifData, int offset)
{
switch (gifData[offset])
{
case 0x21:
if (gifData[offset + 1] == 0xf9)
{
return this.ParseGraphicControlExtension(gifData, offset);
}
return this.ParseExtensionBlock(gifData, offset);
case 0x2c:
offset = this.ParseGraphicBlock(gifData, offset);
this._frameList.Add(this._currentParseGifFrame);
this._currentParseGifFrame = new GifFrame();
return offset;
case 0x3b:
return -1;
}
throw new Exception("GIF format incorrect: missing graphic block or special-purpose block. ");
}
