private static Texture DecodeMultiframe(ImagingFactory imagingFactory, WicFlags flags, TextureDescription description, BitmapDecoder decoder)
{
var texture = new Texture(description);
Guid dstFormat = ToWic(description.Format, false);
for (int index = 0; index < description.ArraySize; ++index)
{
var image = texture.Images[index];
using (var frame = decoder.GetFrame(index))
{
var pfGuid = frame.PixelFormat;
var size = frame.Size;
if (size.Width == description.Width && size.Height == description.Height)
{
// This frame does not need resized
if (pfGuid == dstFormat)
{
frame.CopyPixels(image.Data, image.RowPitch);
}
else
{
using (var converter = new FormatConverter(imagingFactory))
{
converter.Initialize(frame, dstFormat, GetWicDither(flags), null, 0, BitmapPaletteType.Custom);
converter.CopyPixels(image.Data, image.RowPitch);
}
}
}
else
{
// This frame needs resizing
using (var scaler = new BitmapScaler(imagingFactory))
{
scaler.Initialize(frame, description.Width, description.Height, GetWicInterp(flags));
Guid pfScaler = scaler.PixelFormat;
if (pfScaler == dstFormat)
{
scaler.CopyPixels(image.Data, image.RowPitch);
}
else
{
// The WIC bitmap scaler is free to return a different pixel format than the source image, so here we
// convert it to our desired format
using (var converter = new FormatConverter(imagingFactory))
{
converter.Initialize(scaler, dstFormat, GetWicDither(flags), null, 0, BitmapPaletteType.Custom);
converter.CopyPixels(image.Data, image.RowPitch);
}
}
}
}
}
}
return texture;
}
private D3D11.ShaderResourceView LoadTexture(string name)
{
var converter = new SharpDX.WIC.FormatConverter(imagingFactory);
var decoder = new SharpDX.WIC.BitmapDecoder(imagingFactory, name, SharpDX.WIC.DecodeOptions.CacheOnDemand);
converter.Initialize(decoder.GetFrame(0), SharpDX.WIC.PixelFormat.Format32bppBGRA, SharpDX.WIC.BitmapDitherType.None, null, 0.0, SharpDX.WIC.BitmapPaletteType.Custom);
var stride = converter.Size.Width * 4;
var size = converter.Size.Height * stride;
var dataStream = new SharpDX.DataStream(size, true, true);
converter.CopyPixels(stride, dataStream);
D3D11.Texture2D tex = new D3D11.Texture2D(d3dDevice,
new D3D11.Texture2DDescription()
{
Width = converter.Size.Width,
Height = converter.Size.Height,
ArraySize = 1,
BindFlags = D3D11.BindFlags.ShaderResource,
Usage = D3D11.ResourceUsage.Immutable,
CpuAccessFlags = D3D11.CpuAccessFlags.None,
Format = Format.B8G8R8A8_UNorm,
MipLevels = 1,
OptionFlags = D3D11.ResourceOptionFlags.None,
SampleDescription = new SampleDescription(1, 0),
},
new SharpDX.DataRectangle(dataStream.DataPointer, stride)
);
return(new D3D11.ShaderResourceView(d3dDevice, tex));
}
//-------------------------------------------------------------------------------------
// Encodes a single frame
//-------------------------------------------------------------------------------------
private static void EncodeImage(PixelBuffer image, WICFlags flags, WIC.BitmapFrameEncode frame)
{
Guid pfGuid;
if (!ToWIC(image.Format, out pfGuid))
{
throw new NotSupportedException("Format not supported");
}
frame.Initialize();
frame.SetSize(image.Width, image.Height);
frame.SetResolution(72, 72);
Guid targetGuid = pfGuid;
frame.SetPixelFormat(ref targetGuid);
if (targetGuid != pfGuid)
{
using (var source = new WIC.Bitmap(Factory, image.Width, image.Height, pfGuid, new SDX.DataRectangle(image.DataPointer, image.RowStride), image.BufferStride))
{
using (var converter = new WIC.FormatConverter(Factory))
{
using (var palette = new WIC.Palette(Factory))
{
palette.Initialize(source, 256, true);
converter.Initialize(source, targetGuid, GetWICDither(flags), palette, 0, WIC.BitmapPaletteType.Custom);
int bpp = GetBitsPerPixel(targetGuid);
if (bpp == 0)
{
throw new NotSupportedException("Unable to determine the Bpp for the target format");
}
int rowPitch = (image.Width * bpp + 7) / 8;
int slicePitch = rowPitch * image.Height;
var temp = SDX.Utilities.AllocateMemory(slicePitch);
try
{
converter.CopyPixels(rowPitch, temp, slicePitch);
frame.Palette = palette;
frame.WritePixels(image.Height, temp, rowPitch, slicePitch);
}
finally
{
SDX.Utilities.FreeMemory(temp);
}
}
}
}
}
else
{
// No conversion required
frame.WritePixels(image.Height, image.DataPointer, image.RowStride, image.BufferStride);
}
frame.Commit();
}
/// <summary>
/// Function to convert a WIC bitmap to a System.Drawing.Image
/// </summary>
/// <param name="bitmap">Bitmap to convert.</param>
/// <param name="format">Pixel format to use.</param>
/// <returns>The converted bitmap.</returns>
public Image CreateGDIImageFromWICBitmap(WIC.Bitmap bitmap, PixelFormat format)
{
Bitmap result = null;
BitmapData lockData = null;
Guid conversionFormat = GetGUID(format);
if (conversionFormat == Guid.Empty)
{
throw new GorgonException(GorgonResult.FormatNotSupported,
string.Format(Resources.GORGFX_FORMAT_NOT_SUPPORTED, format));
}
try
{
// Create the new bitmap.
result = new Bitmap(bitmap.Size.Width, bitmap.Size.Height, format);
lockData = result.LockBits(new Rectangle(0, 0, bitmap.Size.Width, bitmap.Size.Height), ImageLockMode.WriteOnly, format);
// We need to convert, so copy using the format converter.
if (bitmap.PixelFormat != conversionFormat)
{
using (var converter = new WIC.FormatConverter(Factory))
{
converter.Initialize(bitmap, conversionFormat, WIC.BitmapDitherType.None, null, 0, WIC.BitmapPaletteType.Custom);
converter.CopyPixels(lockData.Stride, lockData.Scan0, lockData.Stride * lockData.Height);
}
}
else
{
// Otherwise, copy it all in one shot.
bitmap.CopyPixels(lockData.Stride, lockData.Scan0, lockData.Stride * lockData.Height);
}
return(result);
}
finally
{
if (lockData != null)
{
result.UnlockBits(lockData);
}
}
}
//-------------------------------------------------------------------------------------
// 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 an image array, resizing/format converting as needed
//-------------------------------------------------------------------------------------
private static Image DecodeMultiframe(WICFlags flags, ImageDescription metadata, WIC.BitmapDecoder decoder)
{
var image = Image.New(metadata);
Guid sourceGuid;
if (!ToWIC(metadata.Format, out sourceGuid))
{
return(null);
}
for (int index = 0; index < metadata.ArraySize; ++index)
{
var pixelBuffer = image.PixelBuffer[index, 0];
using (var frame = decoder.GetFrame(index))
{
var pfGuid = frame.PixelFormat;
var size = frame.Size;
if (pfGuid == sourceGuid)
{
if (size.Width == metadata.Width && size.Height == metadata.Height)
{
// This frame does not need resized or format converted, just copy...
frame.CopyPixels(pixelBuffer.RowStride, pixelBuffer.DataPointer, pixelBuffer.BufferStride);
}
else
{
// This frame needs resizing, but not format converted
using (var scaler = new WIC.BitmapScaler(Factory))
{
scaler.Initialize(frame, metadata.Width, metadata.Height, GetWICInterp(flags));
scaler.CopyPixels(pixelBuffer.RowStride, pixelBuffer.DataPointer, pixelBuffer.BufferStride);
}
}
}
else
{
// This frame required format conversion
using (var converter = new WIC.FormatConverter(Factory))
{
converter.Initialize(frame, pfGuid, GetWICDither(flags), null, 0, WIC.BitmapPaletteType.Custom);
if (size.Width == metadata.Width && size.Height == metadata.Height)
{
converter.CopyPixels(pixelBuffer.RowStride, pixelBuffer.DataPointer, pixelBuffer.BufferStride);
}
else
{
// This frame needs resizing, but not format converted
using (var scaler = new WIC.BitmapScaler(Factory))
{
scaler.Initialize(frame, metadata.Width, metadata.Height, GetWICInterp(flags));
scaler.CopyPixels(pixelBuffer.RowStride, pixelBuffer.DataPointer, pixelBuffer.BufferStride);
}
}
}
}
}
}
return(image);
}
//-------------------------------------------------------------------------------------
// Encodes a single frame
//-------------------------------------------------------------------------------------
private static void EncodeImage( PixelBuffer image, WICFlags flags, BitmapFrameEncode frame)
{
Guid pfGuid;
if (! ToWIC(image.Format, out pfGuid))
throw new NotSupportedException("Format not supported");
frame.Initialize();
frame.SetSize(image.Width, image.Height);
frame.SetResolution(72, 72);
Guid targetGuid = pfGuid;
frame.SetPixelFormat(ref targetGuid);
if (targetGuid != pfGuid)
{
using (var source = new Bitmap(Factory, image.Width, image.Height, pfGuid, new DataRectangle(image.DataPointer, image.RowStride), image.BufferStride))
{
using (var converter = new FormatConverter(Factory))
{
using (var palette = new Palette(Factory))
{
palette.Initialize(source, 256, true);
converter.Initialize(source, targetGuid, GetWICDither(flags), palette, 0, BitmapPaletteType.Custom);
int bpp = GetBitsPerPixel(targetGuid);
if (bpp == 0) throw new NotSupportedException("Unable to determine the Bpp for the target format");
int rowPitch = (image.Width * bpp + 7) / 8;
int slicePitch = rowPitch * image.Height;
var temp = Utilities.AllocateMemory(slicePitch);
try
{
converter.CopyPixels(rowPitch, temp, slicePitch);
frame.Palette = palette;
frame.WritePixels(image.Height, temp, rowPitch, slicePitch);
}
finally
{
Utilities.FreeMemory(temp);
}
}
}
}
}
else
{
// No conversion required
frame.WritePixels(image.Height, image.DataPointer, image.RowStride, image.BufferStride);
}
frame.Commit();
}
//-------------------------------------------------------------------------------------
// Decodes an image array, resizing/format converting as needed
//-------------------------------------------------------------------------------------
private static Image DecodeMultiframe(WICFlags flags, ImageDescription metadata, BitmapDecoder decoder)
{
var image = Image.New(metadata);
Guid sourceGuid;
if (!ToWIC(metadata.Format, out sourceGuid))
return null;
for (int index = 0; index < metadata.ArraySize; ++index)
{
var pixelBuffer = image.PixelBuffer[index, 0];
using (var frame = decoder.GetFrame(index))
{
var pfGuid = frame.PixelFormat;
var size = frame.Size;
if (pfGuid == sourceGuid)
{
if (size.Width == metadata.Width && size.Height == metadata.Height)
{
// This frame does not need resized or format converted, just copy...
frame.CopyPixels(pixelBuffer.RowStride, pixelBuffer.DataPointer, pixelBuffer.BufferStride);
}
else
{
// This frame needs resizing, but not format converted
using (var scaler = new BitmapScaler(Factory))
{
scaler.Initialize(frame, metadata.Width, metadata.Height, GetWICInterp(flags));
scaler.CopyPixels(pixelBuffer.RowStride, pixelBuffer.DataPointer, pixelBuffer.BufferStride);
}
}
}
else
{
// This frame required format conversion
using (var converter = new FormatConverter(Factory))
{
converter.Initialize(frame, pfGuid, GetWICDither(flags), null, 0, BitmapPaletteType.Custom);
if (size.Width == metadata.Width && size.Height == metadata.Height)
{
converter.CopyPixels(pixelBuffer.RowStride, pixelBuffer.DataPointer, pixelBuffer.BufferStride);
}
else
{
// This frame needs resizing, but not format converted
using (var scaler = new BitmapScaler(Factory))
{
scaler.Initialize(frame, metadata.Width, metadata.Height, GetWICInterp(flags));
scaler.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;
}
public MeshDeviceResources(Device device, SharpDX.WIC.ImagingFactory2 imagingFactory, Mesh mesh)
{
this.mesh = mesh;
// create single vertex buffer
var stream = new DataStream(mesh.vertices.Count * Mesh.VertexPositionNormalTexture.sizeInBytes, true, true);
stream.WriteRange(mesh.vertices.ToArray());
stream.Position = 0;
var vertexBufferDesc = new BufferDescription()
{
BindFlags = BindFlags.VertexBuffer,
CpuAccessFlags = CpuAccessFlags.None,
Usage = ResourceUsage.Default,
SizeInBytes = mesh.vertices.Count * Mesh.VertexPositionNormalTexture.sizeInBytes,
};
vertexBuffer = new SharpDX.Direct3D11.Buffer(device, stream, vertexBufferDesc);
stream.Dispose();
vertexBufferBinding = new VertexBufferBinding(vertexBuffer, Mesh.VertexPositionNormalTexture.sizeInBytes, 0);
foreach (var subset in mesh.subsets)
{
if (subset.material.textureFilename != null)
{
var decoder = new SharpDX.WIC.BitmapDecoder(imagingFactory, subset.material.textureFilename, SharpDX.WIC.DecodeOptions.CacheOnLoad);
var bitmapFrameDecode = decoder.GetFrame(0);
var stagingTextureDesc = new Texture2DDescription()
{
Width = bitmapFrameDecode.Size.Width,
Height = bitmapFrameDecode.Size.Height,
MipLevels = 1,
ArraySize = 1,
Format = SharpDX.DXGI.Format.B8G8R8A8_UNorm,
SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0),
Usage = ResourceUsage.Dynamic,
BindFlags = BindFlags.ShaderResource,
CpuAccessFlags = CpuAccessFlags.Write
};
var stagingTexture = new Texture2D(device, stagingTextureDesc);
var textureDesc = new Texture2DDescription()
{
Width = bitmapFrameDecode.Size.Width,
Height = bitmapFrameDecode.Size.Height,
MipLevels = 0,
ArraySize = 1,
Format = SharpDX.DXGI.Format.B8G8R8A8_UNorm,
SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0),
Usage = ResourceUsage.Default,
BindFlags = BindFlags.ShaderResource | BindFlags.RenderTarget,
CpuAccessFlags = CpuAccessFlags.None,
OptionFlags = ResourceOptionFlags.GenerateMipMaps
};
var texture = new Texture2D(device, textureDesc);
// convert to 32 bpp
var formatConverter = new FormatConverter(imagingFactory);
formatConverter.Initialize(bitmapFrameDecode, SharpDX.WIC.PixelFormat.Format32bppBGR);
var dataBox = device.ImmediateContext.MapSubresource(stagingTexture, 0, MapMode.WriteDiscard, SharpDX.Direct3D11.MapFlags.None);
formatConverter.CopyPixels(dataBox.RowPitch, dataBox.DataPointer, dataBox.RowPitch * bitmapFrameDecode.Size.Height);
device.ImmediateContext.UnmapSubresource(stagingTexture, 0);
var resourceRegion = new ResourceRegion()
{
Left = 0,
Top = 0,
Right = bitmapFrameDecode.Size.Width,
Bottom = bitmapFrameDecode.Size.Height,
Front = 0,
Back = 1,
};
device.ImmediateContext.CopySubresourceRegion(stagingTexture, 0, resourceRegion, texture, 0);
var textureRV = new ShaderResourceView(device, texture);
device.ImmediateContext.GenerateMips(textureRV);
decoder.Dispose();
formatConverter.Dispose();
bitmapFrameDecode.Dispose();
textureRVs[subset] = textureRV;
}
}
}
/// <summary>
/// Function to convert the format of a bitmap into the format of the buffer.
/// </summary>
/// <param name="sourceFormat">Format to convert from.</param>
/// <param name="destFormat">Format to convert into.</param>
/// <param name="dithering">Dithering to apply.</param>
/// <param name="filter">Filtering to apply to scaled bitmaps.</param>
/// <param name="bitmap">Bitmap to convert.</param>
/// <param name="bitmapPalette">Palette for the bitmap.</param>
/// <param name="alphaValue">Value of pixel to consider transparent.</param>
/// <param name="buffer">Buffer holding the converted data.</param>
/// <param name="scale">TRUE to scale when converting, FALSE to keep at original size.</param>
/// <param name="clip">TRUE to perform clipping, FALSE to keep at original size.</param>
private void ConvertFormat(Guid sourceFormat, Guid destFormat, WIC.BitmapDitherType dithering,
WIC.BitmapInterpolationMode filter, WIC.BitmapSource bitmap,
WIC.Palette bitmapPalette, int alphaValue,
GorgonImageBuffer buffer, bool scale, bool clip)
{
WIC.BitmapSource source = bitmap;
double alphaPercent = alphaValue / 255.0;
var paletteType = WIC.BitmapPaletteType.Custom;
// If we have a palette, then confirm that the dithering method is valid.
if (bitmapPalette != null)
{
// Do not apply dithering if we're using
// a custom palette and request ordered dithering.
switch (dithering)
{
case WIC.BitmapDitherType.Ordered4x4:
case WIC.BitmapDitherType.Ordered8x8:
case WIC.BitmapDitherType.Ordered16x16:
if (bitmapPalette.TypeInfo == WIC.BitmapPaletteType.Custom)
{
dithering = WIC.BitmapDitherType.None;
}
break;
}
paletteType = bitmapPalette.TypeInfo;
}
try
{
// Create a scaler if need one.
if ((scale) && (!clip))
{
var scaler = new WIC.BitmapScaler(Factory);
scaler.Initialize(bitmap, buffer.Width, buffer.Height, filter);
source = scaler;
}
// Create a clipper if we want to clip and the image needs resizing.
if ((clip) && (scale) && ((buffer.Width < bitmap.Size.Width) || (buffer.Height < bitmap.Size.Height)))
{
var clipper = new WIC.BitmapClipper(Factory);
clipper.Initialize(bitmap, new DX.Rectangle(0, 0, buffer.Width < bitmap.Size.Width ? buffer.Width : bitmap.Size.Width,
buffer.Height < bitmap.Size.Height ? buffer.Height : bitmap.Size.Height));
source = clipper;
}
using (var converter = new WIC.FormatConverter(Factory))
{
if (!converter.CanConvert(sourceFormat, destFormat))
{
throw new GorgonException(GorgonResult.FormatNotSupported,
string.Format(Resources.GORGFX_FORMAT_NOT_SUPPORTED, buffer.Format));
}
converter.Initialize(source, destFormat, dithering, bitmapPalette, alphaPercent, paletteType);
if (!scale)
{
int rowPitch = (GetBitsPerPixel(destFormat) * bitmap.Size.Width + 7) / 8;
int slicePitch = rowPitch * bitmap.Size.Height;
if ((rowPitch != buffer.PitchInformation.RowPitch) || (slicePitch != buffer.PitchInformation.SlicePitch))
{
throw new GorgonException(GorgonResult.CannotWrite, Resources.GORGFX_IMAGE_PITCH_TOO_SMALL);
}
}
converter.CopyPixels(buffer.PitchInformation.RowPitch, buffer.Data.BasePointer, buffer.PitchInformation.SlicePitch);
}
}
finally
{
if (source != bitmap)
{
source.Dispose();
}
}
}
