private void ReadFrames(Stream stream, bool metadataOnly)
{
List <GifFrame> frames = new List <GifFrame>();
List <GifExtension> controlExtensions = new List <GifExtension>();
List <GifExtension> specialExtensions = new List <GifExtension>();
while (true)
{
var block = GifBlock.ReadBlock(stream, controlExtensions, metadataOnly);
if (block.Kind == GifBlockKind.GraphicRendering)
{
controlExtensions = new List <GifExtension>();
}
if (block is GifFrame)
{
frames.Add((GifFrame)block);
}
else if (block is GifExtension)
{
var extension = (GifExtension)block;
switch (extension.Kind)
{
case GifBlockKind.Control:
controlExtensions.Add(extension);
break;
case GifBlockKind.SpecialPurpose:
specialExtensions.Add(extension);
break;
default:
// Just ignore plain text extensions, as most software don't support them.
break;
}
}
else if (block is GifTrailer)
{
break;
}
}
this.Frames = frames.AsReadOnly();
this.Extensions = specialExtensions.AsReadOnly();
}
private void ReadFrames(Stream stream, bool metadataOnly)
{
List <GifFrame> list = new List <GifFrame>();
List <GifExtension> controlExtensions = new List <GifExtension>();
List <GifExtension> list3 = new List <GifExtension>();
while (true)
{
GifBlock block = GifBlock.ReadBlock(stream, controlExtensions, metadataOnly);
if (block.Kind == GifBlockKind.GraphicRendering)
{
controlExtensions = new List <GifExtension>();
}
if (block is GifFrame)
{
list.Add((GifFrame)block);
}
else if (!(block is GifExtension))
{
if (block is GifTrailer)
{
this.Frames = list.AsReadOnly();
this.Extensions = list3.AsReadOnly();
return;
}
}
else
{
GifExtension item = (GifExtension)block;
switch (item.Kind)
{
case GifBlockKind.Control:
controlExtensions.Add(item);
break;
case GifBlockKind.SpecialPurpose:
list3.Add(item);
break;
default:
break;
}
}
}
}