public D3D11Renderer(ObservableVideoTrack videoTrack, RendererOptions options)
: base(videoTrack, options)
{
// _factoryDWrite = new DWrite.Factory(DWrite.FactoryType.Shared);
var device2D = new D2D1.Device(DeviceDXGI, new D2D1.CreationProperties
{
DebugLevel = D2D1.DebugLevel.Warning,
ThreadingMode = D2D1.ThreadingMode.MultiThreaded,
Options = D2D1.DeviceContextOptions.None
});
_context2D = new D2D1.DeviceContext(device2D, D2D1.DeviceContextOptions.None);
// Load the background image
using (var factoryWic = new WIC.ImagingFactory2())
using (var decoder = new WIC.JpegBitmapDecoder(factoryWic))
using (var inputStream = new WIC.WICStream(factoryWic, "background-small.jpg", NativeFileAccess.Read))
using (var formatConverter = new WIC.FormatConverter(factoryWic))
using (var bitmapScaler = new WIC.BitmapScaler(factoryWic))
{
decoder.Initialize(inputStream, WIC.DecodeOptions.CacheOnLoad);
formatConverter.Initialize(decoder.GetFrame(0), WIC.PixelFormat.Format32bppPBGRA);
bitmapScaler.Initialize(formatConverter, VideoFrameWidth, VideoFrameHeight,
WIC.BitmapInterpolationMode.Fant);
_backgroundBitmap = D2D1.Bitmap1.FromWicBitmap(_context2D, bitmapScaler);
}
// Create render target
_ballEllipse = new D2D1.Ellipse {
RadiusX = VideoFrameWidth / 20f, RadiusY = VideoFrameWidth / 20f
};
_ballBrush = new D2D1.SolidColorBrush(_context2D, new RawColor4(1f, 1f, 0f, 1f));
}
public static WIC.FormatConverter CreateWicImage(WIC.ImagingFactory wic, string filename)
{
using (var decoder = new WIC.JpegBitmapDecoder(wic))
using (var decodeStream = new WIC.WICStream(wic, filename, NativeFileAccess.Read))
{
decoder.Initialize(decodeStream, WIC.DecodeOptions.CacheOnDemand);
using (var decodeFrame = decoder.GetFrame(0))
{
var converter = new WIC.FormatConverter(wic);
converter.Initialize(decodeFrame, WIC.PixelFormat.Format32bppPBGRA);
return(converter);
}
}
}
/// <summary>
/// SharpDX WIC sample. Encode to JPG and decode.
/// </summary>
static void Main()
{
const int width = 512;
const int height = 512;
const string filename = "output.jpg";
var factory = new ImagingFactory();
WICStream stream = null;
// ------------------------------------------------------
// Encode a JPG image
// ------------------------------------------------------
// Create a WIC outputstream
if (File.Exists(filename))
File.Delete(filename);
stream = new WICStream(factory, filename, NativeFileAccess.Write);
// Initialize a Jpeg encoder with this stream
var encoder = new JpegBitmapEncoder(factory);
encoder.Initialize(stream);
// Create a Frame encoder
var bitmapFrameEncode = new BitmapFrameEncode(encoder);
bitmapFrameEncode.Options.ImageQuality = 0.8f;
bitmapFrameEncode.Initialize();
bitmapFrameEncode.SetSize(width, height);
var guid = PixelFormat.Format24bppBGR;
bitmapFrameEncode.SetPixelFormat(ref guid);
// Write a pseudo-plasma to a buffer
int stride = PixelFormat.GetStride(PixelFormat.Format24bppBGR, width);
var bufferSize = height * stride;
var buffer = new DataStream(bufferSize, true, true);
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
buffer.WriteByte((byte)(x / 2.0 + 20.0 * Math.Sin(y / 40.0)));
buffer.WriteByte((byte)(y / 2.0 + 30.0 * Math.Sin(x / 80.0)));
buffer.WriteByte((byte)(x / 2.0));
}
}
// Copy the pixels from the buffer to the Wic Bitmap Frame encoder
bitmapFrameEncode.WritePixels(512, new DataRectangle(buffer.DataPointer, stride));
// Commit changes
bitmapFrameEncode.Commit();
encoder.Commit();
bitmapFrameEncode.Dispose();
encoder.Dispose();
stream.Dispose();
// ------------------------------------------------------
// Decode the previous JPG image
// ------------------------------------------------------
// Read input
stream = new WICStream(factory, filename, NativeFileAccess.Read);
var decoder = new JpegBitmapDecoder(factory);
decoder.Initialize(stream, DecodeOptions.CacheOnDemand);
var bitmapFrameDecode = decoder.GetFrame(0);
var queryReader = bitmapFrameDecode.MetadataQueryReader;
// Dump MetadataQueryreader
queryReader.Dump(Console.Out);
queryReader.Dispose();
bitmapFrameDecode.Dispose();
decoder.Dispose();
stream.Dispose();
// Dispose
factory.Dispose();
System.Diagnostics.Process.Start(Path.GetFullPath(Path.Combine(Environment.CurrentDirectory, filename)));
}
