internal static async Task <GifImageData> ReadAsync(Stream stream)
{
var imgData = new GifImageData();
await imgData.ReadInternalAsync(stream).ConfigureAwait(false);
return(imgData);
}
private async Task ReadInternalAsync(Stream stream, IEnumerable <GifExtension> controlExtensions)
{
this.Descriptor = await GifImageDescriptor.ReadAsync(stream).ConfigureAwait(false);
if (this.Descriptor.HasLocalColorTable)
{
this.LocalColorTable = await GifHelpers.ReadColorTableAsync(stream, this.Descriptor.LocalColorTableSize).ConfigureAwait(false);
}
this.ImageData = await GifImageData.ReadAsync(stream).ConfigureAwait(false);
this.Extensions = (IList <GifExtension>)controlExtensions.ToList <GifExtension>().AsReadOnly();
this.GraphicControl = this.Extensions.OfType <GifGraphicControlExtension>().FirstOrDefault <GifGraphicControlExtension>();
}
private async Task ReadInternalAsync(Stream stream, IEnumerable <GifExtension> controlExtensions)
{
// Note: at this point, the Image Separator (0x2C) has already been read
Descriptor = await GifImageDescriptor.ReadAsync(stream).ConfigureAwait(false);
if (Descriptor.HasLocalColorTable)
{
LocalColorTable = await GifHelpers.ReadColorTableAsync(stream, Descriptor.LocalColorTableSize).ConfigureAwait(false);
}
ImageData = await GifImageData.ReadAsync(stream).ConfigureAwait(false);
Extensions = controlExtensions.ToList().AsReadOnly();
GraphicControl = Extensions.OfType <GifGraphicControlExtension>().FirstOrDefault();
}
internal static async Task<GifImageData> ReadAsync(Stream stream)
{
var imgData = new GifImageData();
await imgData.ReadInternalAsync(stream).ConfigureAwait(false);
return imgData;
}