public Direct3D9FrameDecoder(Func <Device, int, int, int, Format, Usage, Texture> textureFactory, MemoryPool memoryPool, Stream stream, Format preferedFormat)
: base(textureFactory, memoryPool, preferedFormat)
{
FStream = stream;
FImageInformation = ImageInformation.FromStream(stream);
Width = FImageInformation.Width;
Height = FImageInformation.Height;
if (preferedFormat == Format.Unknown)
{
FChosenFormat = FImageInformation.Format;
}
}
public virtual void Dispose()
{
FTextureFactory = null;
FMemoryPool = null;
}
public BitmapFrameDecoder(Func <Device, int, int, int, Format, Usage, Texture> textureFactory, MemoryPool memoryPool, Stream stream)
: base(textureFactory, memoryPool)
{
var dataStream = stream as SharpDX.DataStream;
using (var wicStream = new WICStream(Factory, new SharpDX.DataPointer(dataStream.DataPointer, (int)dataStream.Length)))
using (var decoder = new BitmapDecoder(Factory, wicStream, DecodeOptions.CacheOnLoad))
{
using (var frame = decoder.GetFrame(0))
{
var dstPixelFormat = PixelFormat.Format32bppBGRA;
FWidth = frame.Size.Width;
FHeight = frame.Size.Height;
FStride = PixelFormat.GetStride(dstPixelFormat, FWidth);
FLength = FStride * FHeight;
FBuffer = memoryPool.UnmanagedPool.GetMemory(FLength);
if (frame.PixelFormat != dstPixelFormat)
{
using (var converter = new FormatConverter(Factory))
{
converter.Initialize(frame, dstPixelFormat);
converter.CopyPixels(FStride, FBuffer);
}
}
else
{
frame.CopyPixels(FStride, FBuffer);
}
}
}
memoryPool.StreamPool.PutStream(stream);
}
public FrameDecoder(Func <Device, int, int, int, Format, Usage, Texture> textureFactory, MemoryPool memoryPool)
{
FTextureFactory = textureFactory;
FMemoryPool = memoryPool;
}
public static FrameDecoder Create(string filename, Func <Device, int, int, int, Format, Usage, Texture> textureFactory, MemoryPool memoryPool, Stream stream)
{
var extension = Path.GetExtension(filename);
Func <Func <Device, int, int, int, Format, Usage, Texture>, MemoryPool, Stream, FrameDecoder> decoderFactory = null;
if (!FDecoderFactories.TryGetValue(extension, out decoderFactory))
{
return(new BitmapFrameDecoder(textureFactory, memoryPool, stream));
}
return(decoderFactory(textureFactory, memoryPool, stream));
}
public Direct3D9FrameDecoder(Func <Device, int, int, int, Format, Usage, Texture> textureFactory, MemoryPool memoryPool, Stream stream)
: base(textureFactory, memoryPool)
{
FStream = stream;
FImageInformation = ImageInformation.FromStream(stream);
}
public FrameDecoder(Func <Device, int, int, int, Format, Usage, Texture> textureFactory, MemoryPool memoryPool, Format preferedFormat)
{
FTextureFactory = textureFactory;
FMemoryPool = memoryPool;
FChosenFormat = preferedFormat;
}
public static FrameDecoder Create(string filename, Func <Device, int, int, int, Format, Usage, Texture> textureFactory, MemoryPool memoryPool, Stream stream, Format preferedFormat)
{
var extension = Path.GetExtension(filename).ToLowerInvariant();
// In case the prefered format is not supported on one device, fall back to one which works.
var format = GetFallbackFormatIfPreferedFormatIsNotSupported(preferedFormat);
Func <Func <Device, int, int, int, Format, Usage, Texture>, MemoryPool, Stream, Format, FrameDecoder> decoderFactory = null;
if (!FDecoderFactories.TryGetValue(extension, out decoderFactory))
{
return(new BitmapFrameDecoder(textureFactory, memoryPool, stream, format));
}
return(decoderFactory(textureFactory, memoryPool, stream, format));
}
