public static Task <BitmapSource> ToBitmapSource(this DDSMipMap mipmap, int mipmapIndex = 0, Dispatcher targetDispatcher = null)
{
Debug.Assert(mipmap != null);
Debug.Assert(mipmapIndex >= 0 && mipmapIndex < mipmap.MipmapData.Count);
var width = (int)mipmap.Width;
var height = (int)mipmap.Height;
if (mipmapIndex > 0)
{
width = width / (width * 2);
height = height / (height * 2);
}
var frameData = mipmap.MipmapData[mipmapIndex];
if (targetDispatcher == null)
{
var writable = new WriteableBitmap(width, height, 96, 96, PixelFormats.Bgra32, null);
writable.WritePixels(new Int32Rect(0, 0, width, height), frameData, 4 * width, 0);
return(Task.FromResult((BitmapSource)writable));
}
return(targetDispatcher.InvokeAsync(() =>
{
var writable = new WriteableBitmap(width, height, 96, 96, PixelFormats.Bgra32, null);
writable.WritePixels(new Int32Rect(0, 0, width, height), frameData, 4 * width, 0);
return (BitmapSource)writable;
}).Task);
}
internal void AddFrame(DDSMipMap mipMap)
{
if (mipMap == null)
{
return;
}
_depthFrames.Add(mipMap);
}
