public static byte[] LoadImage(string fileName, bool premultiplied, out int width, out int height)
{
WIC.ImagingFactory factory = new WIC.ImagingFactory();
SharpDX.IO.NativeFileStream stream = new SharpDX.IO.NativeFileStream(fileName, SharpDX.IO.NativeFileMode.Open, SharpDX.IO.NativeFileAccess.Read);
WIC.BitmapDecoder decoder = new WIC.BitmapDecoder(factory, stream, WIC.DecodeOptions.CacheOnDemand);
WIC.BitmapFrameDecode frame = decoder.GetFrame(0);
width = frame.Size.Width;
height = frame.Size.Height;
byte[] data = new byte[width * height * 4];
frame.CopyPixels(data, width * 4);
return(data);
}
//-------------------------------------------------------------------------------------
// Decodes a single frame
//-------------------------------------------------------------------------------------
private static Image DecodeSingleFrame(WICFlags flags, ImageDescription metadata, Guid convertGUID, WIC.BitmapFrameDecode frame)
{
var image = Image.New(metadata);
var pixelBuffer = image.PixelBuffer[0];
if (convertGUID == Guid.Empty)
{
frame.CopyPixels(pixelBuffer.RowStride, pixelBuffer.DataPointer, pixelBuffer.BufferStride);
}
else
{
using (var converter = new WIC.FormatConverter(Factory))
{
converter.Initialize(frame, convertGUID, GetWICDither(flags), null, 0, WIC.BitmapPaletteType.Custom);
converter.CopyPixels(pixelBuffer.RowStride, pixelBuffer.DataPointer, pixelBuffer.BufferStride);
}
}
return(image);
}
//-------------------------------------------------------------------------------------
// Decodes a single frame
//-------------------------------------------------------------------------------------
private static Image DecodeSingleFrame(WICFlags flags, ImageDescription metadata, Guid convertGUID, BitmapFrameDecode frame)
{
var image = Image.New(metadata);
var pixelBuffer = image.PixelBuffer[0];
if (convertGUID == Guid.Empty)
{
frame.CopyPixels(pixelBuffer.RowStride, pixelBuffer.DataPointer, pixelBuffer.BufferStride);
}
else
{
using (var converter = new FormatConverter(Factory))
{
converter.Initialize(frame, convertGUID, GetWICDither(flags), null, 0, BitmapPaletteType.Custom);
converter.CopyPixels(pixelBuffer.RowStride, pixelBuffer.DataPointer, pixelBuffer.BufferStride);
}
}
return image;
}
private static Texture DecodeSingleframe(ImagingFactory imagingFactory, WicFlags flags, TextureDescription description, Guid convertGuid, BitmapFrameDecode frame)
{
var texture = new Texture(description);
var image = texture.Images[0];
if (convertGuid == Guid.Empty)
{
frame.CopyPixels(image.Data, image.RowPitch);
}
else
{
using (var converter = new FormatConverter(imagingFactory))
{
converter.Initialize(frame, convertGuid, GetWicDither(flags), null, 0, BitmapPaletteType.Custom);
converter.CopyPixels(image.Data, image.RowPitch);
}
}
return texture;
}
