/// <summary>
/// Initializes a new instance of the <see cref="ColorFrameBitmap" /> class
/// suitable for displaying the supplied <see cref="ReplayColorFrame" />.
/// </summary>
/// <param name="frame">The frame.</param>
public ColorFrameBitmap(ReplayColorFrame frame)
{
#if NETFX_CORE
_bitmap = BitmapFactory.New(frame.Width, frame.Height);
_bytes = new byte[_bitmap.PixelWidth * _bitmap.PixelHeight * 4];
_stream = _bitmap.PixelBuffer.AsStream();
#else
// force population of PixelFormat
var data = frame.GetFrameDataAsync().Result;
_bitmap = new WriteableBitmap(frame.Width, frame.Height, 96, 96, frame.Codec.PixelFormat, null);
_bytes = new byte[_bitmap.PixelWidth * _bitmap.PixelHeight * (_bitmap.Format.BitsPerPixel / 8)];
_dirtyRect = new Int32Rect(0, 0, frame.Width, frame.Height);
#endif
}
/// <summary>
/// Update the Bitmap from the supplied <c>ReplayColorFrame</c>.
/// </summary>
public void Update(ReplayColorFrame frame)
{
if (frame != null)
{
frame.GetFrameDataAsync().ContinueWith(async(pixels) =>
{
#if NETFX_CORE
await _bitmap.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () => {
_stream.Seek(0, SeekOrigin.Begin);
_stream.Write(pixels.Result, 0, pixels.Result.Length);
_bitmap.Invalidate();
});
#else
await _bitmap.Dispatcher.InvokeAsync(() => {
_bitmap.FromByteArray(pixels.Result);
});
#endif
});
}
}
