public static BitmapDecoder Create(
Stream bitmapStream,
BitmapCreateOptions createOptions,
BitmapCacheOption cacheOption)
{
IPlatformBitmapDecoder platformImpl = PlatformInterface.Instance.CreateBitmapDecoder(
bitmapStream,
cacheOption);
BitmapDecoder result;
switch (platformImpl.ContainerFormat)
{
case BitmapContainerFormat.Jpeg:
result = new JpegBitmapDecoder(platformImpl);
break;
case BitmapContainerFormat.Png:
result = new PngBitmapDecoder(platformImpl);
break;
default:
throw new NotSupportedException();
}
if (cacheOption == BitmapCacheOption.OnLoad)
{
ReadOnlyCollection <BitmapFrame> loadFrames = result.Frames;
}
return(result);
}
internal JpegBitmapDecoder(IPlatformBitmapDecoder platformImpl)
: base(platformImpl)
{
}
internal PngBitmapDecoder(IPlatformBitmapDecoder platformImpl)
: base(platformImpl)
{
}
internal BitmapDecoder(IPlatformBitmapDecoder platformImpl)
{
this.impl = platformImpl;
}
internal BitmapDecoder(IPlatformBitmapDecoder platformImpl)
{
this.impl = platformImpl;
}
