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)
{
this.Header = await GifHeader.ReadAsync(stream).ConfigureAwait(false);
if (this.Header.LogicalScreenDescriptor.HasGlobalColorTable)
{
this.GlobalColorTable = await GifHelpers.ReadColorTableAsync(stream, this.Header.LogicalScreenDescriptor.GlobalColorTableSize).ConfigureAwait(false);
}
await this.ReadFramesAsync(stream).ConfigureAwait(false);
GifApplicationExtension ext = this.Extensions.OfType <GifApplicationExtension>().FirstOrDefault <GifApplicationExtension>(new Func <GifApplicationExtension, bool>(GifHelpers.IsNetscapeExtension));
this.RepeatCount = ext != null?GifHelpers.GetRepeatCount(ext) : (ushort)1;
}
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();
}
private async Task ReadInternalAsync(Stream stream)
{
Header = await GifHeader.ReadAsync(stream).ConfigureAwait(false);
if (Header.LogicalScreenDescriptor.HasGlobalColorTable)
{
GlobalColorTable = await GifHelpers.ReadColorTableAsync(stream, Header.LogicalScreenDescriptor.GlobalColorTableSize).ConfigureAwait(false);
}
await ReadFramesAsync(stream).ConfigureAwait(false);
var netscapeExtension =
Extensions
.OfType <GifApplicationExtension>()
.FirstOrDefault(GifHelpers.IsNetscapeExtension);
RepeatCount = netscapeExtension != null
? GifHelpers.GetRepeatCount(netscapeExtension)
: (ushort)1;
}
