public static Texture2D LoadTextureFromFile(SharpDX.Direct3D11.Device aDevice, string aFullPath)
{
Texture2D result = null;
ImagingFactory fac = new ImagingFactory();
BitmapDecoder bc = new SharpDX.WIC.BitmapDecoder(fac, aFullPath, DecodeOptions.CacheOnLoad);
BitmapFrameDecode bfc = bc.GetFrame(0);
FormatConverter fc = new FormatConverter(fac);
System.Guid desiredFormat = PixelFormat.Format32bppBGRA;
fc.Initialize(bfc, desiredFormat);
float[] buffer = new float[fc.Size.Width * fc.Size.Height];
bool canConvert = fc.CanConvert(bfc.PixelFormat, desiredFormat);
fc.CopyPixels <float>(buffer);
GCHandle handle = GCHandle.Alloc(buffer, GCHandleType.Pinned);
float sizeOfPixel = PixelFormat.GetBitsPerPixel(desiredFormat) / 8;
if (sizeOfPixel != 4.0f)
{
throw new System.Exception("Unknown error");
}
DataBox db = new DataBox(handle.AddrOfPinnedObject(), fc.Size.Width * (int)sizeOfPixel, fc.Size.Width * fc.Size.Height * (int)sizeOfPixel);
int width = fc.Size.Width;
int height = fc.Size.Height;
Texture2DDescription fTextureDesc = new Texture2DDescription();
fTextureDesc.CpuAccessFlags = CpuAccessFlags.None;
fTextureDesc.Format = SharpDX.DXGI.Format.B8G8R8A8_UNorm;
fTextureDesc.Width = width;
fTextureDesc.Height = height;
fTextureDesc.Usage = ResourceUsage.Default;
fTextureDesc.MipLevels = 1;
fTextureDesc.ArraySize = 1;
fTextureDesc.OptionFlags = ResourceOptionFlags.None;
fTextureDesc.BindFlags = BindFlags.RenderTarget | BindFlags.ShaderResource;
fTextureDesc.SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0);
result = new Texture2D(aDevice, fTextureDesc, new DataBox[] { db });
handle.Free();
return(result);
}
public static Image2D LoadFromFile(string path, Canvas canvas)
{
ImagingFactory imagingFactory = new ImagingFactory();
NativeFileStream fileStream = new NativeFileStream(path,
NativeFileMode.Open, NativeFileAccess.Read);
BitmapDecoder bitmapDecoder = new BitmapDecoder(imagingFactory, fileStream, DecodeOptions.CacheOnDemand);
BitmapFrameDecode frame = bitmapDecoder.GetFrame(0);
FormatConverter converter = new FormatConverter(imagingFactory);
converter.Initialize(frame, PixelFormatWic.Format32bppPRGBA);
var result = new Image2D();
result.nativeBitmap = Bitmap2D.FromWicBitmap(canvas.NativeDeviceContext, converter);
return(result);
}
public static D2DBitmap GetBitmap(BitmapData pBitmapData, RenderTarget pRenderer)
{
try
{
BitmapDecoder decoder = ImagingFactory.CreateDecoderFromFilename(pBitmapData.FilePath, DesiredAccess.Read, DecodeMetadataCacheOptions.OnDemand);//.CreateDecoderFromStream(pBitmapData.Data, DecodeMetadataCacheOptions.OnDemand);
BitmapFrameDecode frameDeocder = decoder.GetFrame(0);
WICFormatConverter formatConverter = ImagingFactory.CreateFormatConverter();
BitmapSource src = frameDeocder.ToBitmapSource();
formatConverter.Initialize(frameDeocder.ToBitmapSource(), PixelFormats.Pf32bppPBGRA, BitmapDitherType.None, BitmapPaletteType.MedianCut);
return(pRenderer.CreateBitmapFromWicBitmap(formatConverter.ToBitmapSource()));
}
catch (Exception)
{
return(null);
}
}
private Bitmap CreateBitmap([NotNull] IImage image)
{
using (Stream stream = image.GetStream())
using (BitmapDecoder decoder = new BitmapDecoder(
_imagingFactory,
stream,
DecodeOptions.CacheOnDemand))
using (BitmapFrameDecode source = decoder.GetFrame(0))
using (FormatConverter converter = new FormatConverter(_imagingFactory))
{
converter.Initialize(source, SharpDX.WIC.PixelFormat.Format32bppPRGBA);
Bitmap bitmap = Bitmap.FromWicBitmap(_renderTarget, converter);
Debug.Assert(bitmap != null, "bitmap != null");
return(bitmap);
}
}
public static Bitmap1 GetBitmap(D2D.DeviceContext context, string filePath)
{
ImagingFactory imagingFactory = new ImagingFactory();
NativeFileStream fileStream = new NativeFileStream(
Package.Current.InstalledLocation.Path + filePath,
NativeFileMode.Open, NativeFileAccess.Read);
BitmapDecoder bitmapDecoder = new BitmapDecoder(
imagingFactory, fileStream, DecodeOptions.CacheOnDemand);
BitmapFrameDecode frame = bitmapDecoder.GetFrame(0);
FormatConverter converter = new FormatConverter(imagingFactory);
converter.Initialize(frame, SharpDX.WIC.PixelFormat.Format32bppPRGBA);
return(SharpDX.Direct2D1.Bitmap1.FromWicBitmap(context, converter));
}
//---------------------------------------------------------------------------------------------------------
/// <summary>
/// Загрузка рисунка из файла
/// </summary>
/// <param name="file_name">Имя файла</param>
/// <returns>Рисунок Direct2D</returns>
//---------------------------------------------------------------------------------------------------------
public static Direct2D.Bitmap LoadFromFile(String file_name)
{
if (mD2DImagingFactory == null)
{
mD2DImagingFactory = new ImagingFactory();
}
NativeFileStream file_stream = new NativeFileStream(file_name, NativeFileMode.Open, NativeFileAccess.Read);
BitmapDecoder bitmap_decoder = new BitmapDecoder(mD2DImagingFactory, file_stream, DecodeOptions.CacheOnDemand);
BitmapFrameDecode frame = bitmap_decoder.GetFrame(0);
FormatConverter converter = new FormatConverter(mD2DImagingFactory);
converter.Initialize(frame, PixelFormat.Format32bppPRGBA);
Direct2D.Bitmap bitmap = Direct2D.Bitmap.FromWicBitmap(D2DRenderTarget, converter);
return(bitmap);
}
public static WICBitmap LoadBitmap(string rele_path)
{
var Imgc = new ImagingFactory();
var Demcoder = new BitmapDecoder(Imgc, rele_path, SharpDX.IO.NativeFileAccess.Read, DecodeOptions.CacheOnLoad);
BitmapFrameDecode nm_opb = Demcoder.GetFrame(0);
var convert = new FormatConverter(Imgc);
convert.Initialize(nm_opb, SharpDX.WIC.PixelFormat.Format32bppPBGRA);
var Init_action = new WICBitmap(Imgc, convert, BitmapCreateCacheOption.CacheOnLoad);
Imgc.Dispose();
Demcoder.Dispose();
nm_opb.Dispose();
convert.Dispose();
return(Init_action);
}
// Token: 0x060001A4 RID: 420 RVA: 0x0001465C File Offset: 0x0001285C
public override void LoadFromStream(string textureKey, Stream stream)
{
try
{
using (BitmapDecoder bitmapDecoder = new BitmapDecoder(this.imagingFactory, stream, DecodeOptions.CacheOnDemand))
{
BitmapFrameDecode frame = bitmapDecoder.GetFrame(0);
using (FormatConverter formatConverter = new FormatConverter(this.imagingFactory))
{
formatConverter.Initialize(frame, SharpDX.WIC.PixelFormat.Format32bppPRGBA);
SharpDX.Direct2D1.Bitmap bitmap = SharpDX.Direct2D1.Bitmap.FromWicBitmap(this.renderContext.RenderTarget, formatConverter);
base.TextureCache[textureKey] = new D3D11Texture(bitmap, null);
}
}
}
catch (Exception exception)
{
Logger.Error(exception, textureKey);
}
}
protected override Texture LoadStaging(Stream stream)
{
using var wicStream = new WICStream(_wicFactory, stream);
using var decoder = new BitmapDecoder(_wicFactory, wicStream, DecodeOptions.CacheOnDemand);
using var formatConv = new FormatConverter(_wicFactory);
// Do NOT dispose the frame as it might lead to a crash.
// Seems like it's owned by the decoder, so hopefully there should be no leaks.
BitmapFrameDecode frame = decoder.GetFrame(0);
formatConv.Initialize(frame, SharpDX.WIC.PixelFormat.Format32bppRGBA);
uint width = (uint)frame.Size.Width;
uint height = (uint)frame.Size.Height;
Texture stagingTexture = _rf.CreateTexture(TextureDescription.Texture2D(
width, height, mipLevels: 1, arrayLayers: 1,
PixelFormat.R8_G8_B8_A8_UNorm, TextureUsage.Staging
));
MappedResource map = _gd.Map(stagingTexture, MapMode.Write);
uint rowWidth = width * 4;
if (rowWidth == map.RowPitch)
{
formatConv.CopyPixels((int)map.RowPitch, map.Data, (int)map.SizeInBytes);
}
else
{
for (uint y = 0; y < height; y++)
{
byte *dstStart = (byte *)map.Data + y * map.RowPitch;
formatConv.CopyPixels(
new RawBox(x: 0, (int)y, (int)width, height: 1),
(int)map.RowPitch,
new SharpDX.DataPointer(dstStart, (int)map.RowPitch)
);
}
}
_gd.Unmap(stagingTexture);
return(stagingTexture);
}
private static bool ImagesAreIdentical(BitmapSource imageSource1, BitmapSource imageSource2)
{
// First compare images as objects - the luckiest case is when it's the same object
BitmapFrameDecode imageBitmap1 = imageSource1 as BitmapFrameDecode;
BitmapFrameDecode imageBitmap2 = imageSource2 as BitmapFrameDecode;
if (imageBitmap1 != null && imageBitmap2 != null &&
imageBitmap1.Decoder.Frames.Count == 1 && imageBitmap2.Decoder.Frames.Count == 1 &&
imageBitmap1.Decoder.Frames[0] == imageBitmap2.Decoder.Frames[0])
{
return(true); // ImageSources have the same instance of bitmap data. They are obviousely identical.
}
if (imageSource1.Format.BitsPerPixel != imageSource2.Format.BitsPerPixel ||
imageSource1.PixelWidth != imageSource2.PixelWidth ||
imageSource1.PixelHeight != imageSource2.PixelHeight ||
imageSource1.DpiX != imageSource2.DpiX ||
imageSource1.DpiY != imageSource2.DpiY ||
imageSource1.Palette != imageSource2.Palette)
{
return(false); // Images have different characteristics
}
int stride = ((imageSource1.PixelWidth * imageSource1.Format.BitsPerPixel) + 7) / 8;
int bufferSize = (stride * (imageSource1.PixelHeight - 1)) + stride;
Byte[] buffer1 = new Byte[bufferSize];
Byte[] buffer2 = new Byte[bufferSize];
imageSource1.CopyPixels(buffer1, stride, /*offset:*/ 0);
imageSource2.CopyPixels(buffer2, stride, /*offset:*/ 0);
for (int i = 0; i < bufferSize; i++)
{
if (buffer1[i] != buffer2[i])
{
return(false); // Images have different pixels
}
}
return(true); // Images are equal
}
public void Play(string gifPath, int fps = 24)
{
DisposeImage();
_fpsMilliseconds = 1000 / fps;
_currentImage = new List <SharpDX.Direct2D1.Bitmap>();
BitmapDecoder decoder = new BitmapDecoder(_imgFactory, gifPath, NativeFileAccess.Read, DecodeOptions.CacheOnLoad);
for (int i = 0; i < decoder.FrameCount; i++)
{
using (FormatConverter imgConvert = new FormatConverter(_imgFactory))
{
BitmapFrameDecode source = decoder.GetFrame(i);
imgConvert.Initialize(source, SharpDX.WIC.PixelFormat.Format32bppPBGRA);
_currentImage.Add(SharpDX.Direct2D1.Bitmap.FromWicBitmap(_renderTarget, imgConvert));
}
}
_running = true;
_thdMain.Start();
}
private static D2DBitmap CreateBitmapFromDecoder(RenderTarget renderTarget, ImagingFactory wicFactory, BitmapDecoder decoder)
{
// Create the initial frame.
BitmapFrameDecode source = decoder.GetFrame(0);
// Convert the image format to 32bppPBGRA -- which Direct2D expects.
FormatConverter converter = wicFactory.CreateFormatConverter();
converter.Initialize(
source.ToBitmapSource(),
PixelFormats.Pbgra32Bpp,
BitmapDitherType.None,
BitmapPaletteType.MedianCut
);
// Create a Direct2D bitmap from the WIC bitmap.
D2DBitmap ret = renderTarget.CreateBitmapFromWicBitmap(converter.ToBitmapSource());
converter.Dispose();
source.Dispose();
return(ret);
}
private static Bitmap Decode(RenderTarget device, BitmapDecoder decoder)
{
using (BitmapFrameDecode frame = decoder.GetFrame(0))
{
FormatConverter converter = new FormatConverter(imageFactory); // Converter get clobbered on failure so we're not wrapping this in a using.
foreach (Guid format in PixelFormatEnumerator)
{
try
{
converter.Initialize(frame, format);
return(Bitmap.FromWicBitmap(device, converter));
}
catch // Ignore error here, just try another format. We'll throw an error below if we exhaust all options.
{
converter?.Dispose();
converter = new FormatConverter(imageFactory);
}
}
converter?.Dispose();
}
throw new Exception("Unsupported Image Format!");
}
/// <summary>
/// Determines metadata for image
/// </summary>
/// <param name="flags">The flags.</param>
/// <param name="decoder">The decoder.</param>
/// <param name="frame">The frame.</param>
/// <param name="pixelFormat">The pixel format.</param>
/// <returns></returns>
/// <exception cref="System.InvalidOperationException">If pixel format is not supported.</exception>
private static ImageDescription?DecodeMetadata(WICFlags flags, BitmapDecoder decoder, BitmapFrameDecode frame, out Guid pixelFormat)
{
var size = frame.Size;
var metadata = new ImageDescription
{
Dimension = TextureDimension.Texture2D,
Width = size.Width,
Height = size.Height,
Depth = 1,
MipLevels = 1,
ArraySize = (flags & WICFlags.AllFrames) != 0 ? decoder.FrameCount : 1,
Format = DetermineFormat(frame.PixelFormat, flags, out pixelFormat)
};
if (metadata.Format == DXGI.Format.Unknown)
{
return(null);
}
return(metadata);
}
public Texture LoadTextureFromFile(string fileName, bool generateMip, SamplerState samplerState)
{
BitmapDecoder decoder = new BitmapDecoder(_imagingFactory, fileName, DecodeOptions.CacheOnDemand);
BitmapFrameDecode bitmapFirstFrame = decoder.GetFrame(0);
Utilities.Dispose(ref decoder);
FormatConverter imageFormatConverter = new FormatConverter(_imagingFactory);
imageFormatConverter.Initialize(
bitmapFirstFrame,
PixelFormat.Format32bppRGBA,
BitmapDitherType.None, null, 0.0, BitmapPaletteType.Custom);
int stride = imageFormatConverter.Size.Width * 4;
DataStream buffer = new DataStream(imageFormatConverter.Size.Height * stride, true, true);
imageFormatConverter.CopyPixels(stride, buffer);
int width = imageFormatConverter.Size.Width;
int height = imageFormatConverter.Size.Height;
Texture2DDescription textureDescription = new Texture2DDescription()
{
Width = width,
Height = height,
MipLevels = 1,
ArraySize = 1,
Format = Format.R8G8B8A8_UNorm,
SampleDescription = _directX3DGraphics.SampleDescription, // new SampleDescription(1,0)
Usage = ResourceUsage.Default,
BindFlags = BindFlags.ShaderResource | BindFlags.RenderTarget,
CpuAccessFlags = CpuAccessFlags.None,
OptionFlags = (generateMip ? ResourceOptionFlags.GenerateMipMaps : ResourceOptionFlags.None)
};
Texture2D textureObject = new Texture2D(_directX3DGraphics.Device, textureDescription, new DataRectangle(buffer.DataPointer, stride));
int mipLevels = (int)Math.Log(width, 2) + 1;
ShaderResourceViewDescription shaderResourceViewDescription = new ShaderResourceViewDescription();
shaderResourceViewDescription.Dimension = ShaderResourceViewDimension.Texture2D;
shaderResourceViewDescription.Format = Format.R8G8B8A8_UNorm;
shaderResourceViewDescription.Texture2D = new ShaderResourceViewDescription.Texture2DResource
{
MostDetailedMip = 0,
MipLevels = -1 // (generateMip ? mipLevels : -1)
};
ShaderResourceView shaderResourceView = new ShaderResourceView(_directX3DGraphics.Device, textureObject, shaderResourceViewDescription);
if (generateMip)
{
_directX3DGraphics.DeviceContext.GenerateMips(shaderResourceView);
}
Utilities.Dispose(ref imageFormatConverter);
string[] path = fileName.Split('\\');
fileName = path[path.Length - 1];
Texture texture = new Texture(textureObject, shaderResourceView, width, height, fileName, samplerState);
textures.Add(texture.Name, texture);
return(texture);
}
private static ShaderResourceView LoadFromDecoder(D3DDevice device, ImagingFactory factory, BitmapDecoder bitmapDecoder)
{
if (bitmapDecoder.FrameCount == 0)
{
throw new ArgumentException("Image file successfully loaded, but it has no image frames.");
}
BitmapFrameDecode bitmapFrameDecode = bitmapDecoder.GetFrame(0);
BitmapSource bitmapSource = bitmapFrameDecode.ToBitmapSource();
// create texture description
Texture2DDescription textureDescription = new Texture2DDescription()
{
Width = bitmapSource.Size.Width,
Height = bitmapSource.Size.Height,
MipLevels = 1,
ArraySize = 1,
Format = Format.R8G8B8A8UNorm,
SampleDescription = new SampleDescription()
{
Count = 1,
Quality = 0,
},
Usage = Usage.Dynamic,
BindingOptions = BindingOptions.ShaderResource,
CpuAccessOptions = CpuAccessOptions.Write,
MiscellaneousResourceOptions = MiscellaneousResourceOptions.None
};
// create texture
Texture2D texture = device.CreateTexture2D(textureDescription);
// Create a format converter
FormatConverter converter = factory.CreateFormatConverter();
converter.Initialize(
bitmapSource,
PixelFormats.Prgba32Bpp,
BitmapDitherType.None,
BitmapPaletteType.Custom);
// get bitmap data
byte[] buffer = converter.CopyPixels();
// Copy bitmap data to texture
MappedTexture2D texmap = texture.Map(0, Map.WriteDiscard, Microsoft.WindowsAPICodePack.DirectX.Direct3D10.MapOptions.None);
Marshal.Copy(buffer, 0, texmap.Data, buffer.Length);
texture.Unmap(0);
// create shader resource view description
ShaderResourceViewDescription srvDescription = new ShaderResourceViewDescription()
{
Format = textureDescription.Format,
ViewDimension = ShaderResourceViewDimension.Texture2D,
Texture2D = new Texture2DShaderResourceView()
{
MipLevels = textureDescription.MipLevels,
MostDetailedMip = 0
}
};
// create shader resource view from texture
return(device.CreateShaderResourceView(texture, srvDescription));
}
public BitmapBrush makeBitmapBrush(string imgName, RenderTarget renderTarget, bool blankImage = false)
{
//TODO : 여기 바꿔라!
string imageSrc = "";
if (blankImage)
{
SharpDX.Direct2D1.PixelFormat pf = new SharpDX.Direct2D1.PixelFormat()
{
AlphaMode = D3DHandler.ALPHA_MODE,
Format = D3DHandler.RENDER_FORMAT
};
BitmapRenderTarget pallete = new BitmapRenderTarget(renderTarget, CompatibleRenderTargetOptions.GdiCompatible, pf);
return(new BitmapBrush(renderTarget, pallete.Bitmap, new BitmapBrushProperties()
{
ExtendModeX = ExtendMode.Wrap, ExtendModeY = ExtendMode.Wrap
}));
}
if (resourceCore.getFile(imgName, out ResFile resFile))
{
ImagingFactory imagingFactory = new ImagingFactory();
/*NativeFileStream fileStream = new NativeFileStream(imageSrc,
* NativeFileMode.Open, NativeFileAccess.Read);*/
MemoryStream ms = new MemoryStream(resFile.rawData);
BitmapDecoder bitmapDecoder = new BitmapDecoder(imagingFactory, ms, DecodeOptions.CacheOnDemand);
BitmapFrameDecode frame = bitmapDecoder.GetFrame(0);
FormatConverter converter = new FormatConverter(imagingFactory);
converter.Initialize(frame, SharpDX.WIC.PixelFormat.Format32bppPRGBA);
Bitmap bitmap = Bitmap.FromWicBitmap(renderTarget, converter);
Utilities.Dispose(ref bitmapDecoder);
Utilities.Dispose(ref imagingFactory);
Utilities.Dispose(ref converter);
return(new BitmapBrush(renderTarget, bitmap, new BitmapBrushProperties()
{
ExtendModeX = ExtendMode.Wrap, ExtendModeY = ExtendMode.Wrap
}));
}
else
{
Console.WriteLine("{0} missing", imageSrc);
SharpDX.Direct2D1.PixelFormat pf = new SharpDX.Direct2D1.PixelFormat()
{
AlphaMode = D3DHandler.ALPHA_MODE,
Format = D3DHandler.RENDER_FORMAT
};
BitmapRenderTarget pallete = new BitmapRenderTarget(renderTarget, CompatibleRenderTargetOptions.GdiCompatible, new Size2F(30f, 30f), new Size2(1, 1), pf);
pallete.BeginDraw();
pallete.Clear(Color.Purple);
pallete.EndDraw();
return(new BitmapBrush(renderTarget, pallete.Bitmap, new BitmapBrushProperties()
{
ExtendModeX = ExtendMode.Wrap, ExtendModeY = ExtendMode.Wrap
}));
}
}
public bool GetThumbnail(Stream stream, int width, int height, bool cachedOnly, out byte[] imageData, out ImageType imageType)
{
imageData = null;
imageType = ImageType.Unknown;
// No support for cache
if (cachedOnly)
{
return(false);
}
Bitmap cachedBitmap = null; // used only for rotation
try
{
if (stream.CanSeek)
{
stream.Seek(0, SeekOrigin.Begin);
}
// open the image file for reading
using (var factory = new ImagingFactory2())
using (var inputStream = new WICStream(factory, stream))
using (var decoder = new BitmapDecoder(factory, inputStream, DecodeOptions.CacheOnLoad))
using (var rotator = new BitmapFlipRotator(factory))
using (var scaler = new BitmapScaler(factory))
using (var output = new MemoryStream())
{
// decode the loaded image to a format that can be consumed by D2D
BitmapSource source = decoder.GetFrame(0);
// Prefer PNG output for source PNG and for source formats with Alpha channel
var usePngOutput = decoder.DecoderInfo.FriendlyName.StartsWith("PNG") || PixelFormat.GetBitsPerPixel(source.PixelFormat) == 32;
BitmapTransformOptions bitmapTransformationOptions = BitmapTransformOptions.Rotate0;
BitmapFrameDecode frame = source as BitmapFrameDecode;
if (frame != null)
{
const string EXIF_ORIENTATION_TAG = "/app1/{ushort=0}/{ushort=274}";
ushort? orientation = null;
try
{
// Not supported on all input types, i.e. BMP will fail here
orientation = (ushort?)frame.MetadataQueryReader.TryGetMetadataByName(EXIF_ORIENTATION_TAG); //0x0112
}
catch { }
// If the EXIF orientation specifies that the image needs to be flipped or rotated before display, set that up to happen
if (orientation.HasValue)
{
switch (orientation.Value)
{
case 1: break; // No rotation required.
case 2: bitmapTransformationOptions = BitmapTransformOptions.Rotate0 | BitmapTransformOptions.FlipHorizontal; break;
case 3: bitmapTransformationOptions = BitmapTransformOptions.Rotate180; break;
case 4: bitmapTransformationOptions = BitmapTransformOptions.Rotate180 | BitmapTransformOptions.FlipHorizontal; break;
case 5: bitmapTransformationOptions = BitmapTransformOptions.Rotate270 | BitmapTransformOptions.FlipHorizontal; break;
case 6: bitmapTransformationOptions = BitmapTransformOptions.Rotate90; break;
case 7: bitmapTransformationOptions = BitmapTransformOptions.Rotate90 | BitmapTransformOptions.FlipHorizontal; break;
case 8: bitmapTransformationOptions = BitmapTransformOptions.Rotate270; break;
}
}
}
// Scale down larger images
int sourceWidth = source.Size.Width;
int sourceHeight = source.Size.Height;
if (width > 0 && height > 0 && (sourceWidth > width || sourceHeight > height))
{
if (sourceWidth <= height)
{
width = sourceWidth;
}
int newHeight = sourceHeight * height / sourceWidth;
if (newHeight > height)
{
// Resize with height instead
width = sourceWidth * height / sourceHeight;
newHeight = height;
}
scaler.Initialize(source, width, newHeight, BitmapInterpolationMode.Fant);
source = scaler;
}
// Rotate
if (bitmapTransformationOptions != BitmapTransformOptions.Rotate0)
{
// For fast rotation a cached bitmap is needed, otherwise only per-pixel-decoding happens which makes the process extremly slow.
// See https://social.msdn.microsoft.com/Forums/windowsdesktop/en-US/5ff2b52b-602f-4b22-9fb2-371539ff5ebb/hang-in-createbitmapfromwicbitmap-when-using-iwicbitmapfliprotator?forum=windowswic
cachedBitmap = new Bitmap(factory, source, BitmapCreateCacheOption.CacheOnLoad);
rotator.Initialize(cachedBitmap, bitmapTransformationOptions);
source = rotator;
}
Guid formatGuid = ContainerFormatGuids.Jpeg;
imageType = ImageType.Jpeg;
if (usePngOutput)
{
formatGuid = ContainerFormatGuids.Png;
imageType = ImageType.Png;
}
using (var encoder = new BitmapEncoder(factory, formatGuid))
{
encoder.Initialize(output);
using (var bitmapFrameEncode = new BitmapFrameEncode(encoder))
{
// Create image encoder
var wicPixelFormat = PixelFormat.FormatDontCare;
bitmapFrameEncode.Initialize();
bitmapFrameEncode.SetSize(source.Size.Width, source.Size.Height);
bitmapFrameEncode.SetPixelFormat(ref wicPixelFormat);
bitmapFrameEncode.WriteSource(source);
bitmapFrameEncode.Commit();
encoder.Commit();
}
}
imageData = output.ToArray();
return(true);
}
}
catch (Exception)
{
//ServiceRegistration.Get<ILogger>().Warn("WICThumbnailProvider: Error loading bitmapSource from file data stream", ex);
return(false);
}
finally
{
cachedBitmap?.Dispose();
}
}
private static TextureDescription DecodeMetadata(ImagingFactory imagingFactory, WicFlags flags, BitmapDecoder decoder, BitmapFrameDecode frame, out Guid pixelFormat)
{
var size = frame.Size;
var description = new TextureDescription
{
Dimension = TextureDimension.Texture2D,
Width = size.Width,
Height = size.Height,
Depth = 1,
MipLevels = 1,
ArraySize = (flags & WicFlags.AllFrames) != 0 ? decoder.FrameCount : 1,
Format = DetermineFormat(imagingFactory, frame.PixelFormat, flags, out pixelFormat)
};
if (description.Format == DataFormat.Unknown)
throw new NotSupportedException("The pixel format is not supported.");
if ((flags & WicFlags.IgnoreSrgb) == 0)
{
// Handle sRGB.
#pragma warning disable 168
try
{
Guid containerFormat = decoder.ContainerFormat;
var metareader = frame.MetadataQueryReader;
if (metareader != null)
{
// Check for sRGB color space metadata.
bool sRgb = false;
if (containerFormat == ContainerFormatGuids.Png)
{
// Check for sRGB chunk.
if (metareader.GetMetadataByName("/sRGB/RenderingIntent") != null)
sRgb = true;
}
else if (containerFormat == ContainerFormatGuids.Jpeg)
{
if (Equals(metareader.GetMetadataByName("/app1/ifd/exif/{ushort=40961}"), 1))
sRgb = true;
}
else if (containerFormat == ContainerFormatGuids.Tiff)
{
if (Equals(metareader.GetMetadataByName("/ifd/exif/{ushort=40961}"), 1))
sRgb = true;
}
else
{
if (Equals(metareader.GetMetadataByName("System.Image.ColorSpace"), 1))
sRgb = true;
}
if (sRgb)
description.Format = TextureHelper.MakeSRgb(description.Format);
}
}
// ReSharper disable once EmptyGeneralCatchClause
catch (Exception exception)
{
// Some formats just don't support metadata (BMP, ICO, etc.).
}
}
#pragma warning restore 168
return description;
}
private static Bitmap LoadBitmapFromMemory(RenderTarget device, byte[] bytes)
{
if (device == null)
{
throw new ArgumentNullException(nameof(device));
}
if (bytes == null)
{
throw new ArgumentNullException(nameof(bytes));
}
if (bytes.Length == 0)
{
throw new ArgumentOutOfRangeException(nameof(bytes));
}
Bitmap bmp = null;
MemoryStream stream = null;
BitmapDecoder decoder = null;
BitmapFrameDecode frame = null;
FormatConverter converter = null;
try
{
stream = new MemoryStream(bytes);
decoder = new BitmapDecoder(ImageFactory, stream, DecodeOptions.CacheOnDemand);
var pixelFormat = ImagePixelFormats.GetBestPixelFormat(decoder.DecoderInfo?.PixelFormats);
frame = decoder.GetFrame(0);
converter = new FormatConverter(ImageFactory);
try
{
converter.Initialize(frame, pixelFormat);
bmp = Bitmap.FromWicBitmap(device, converter);
}
catch
{
TryCatch(() => converter.Dispose());
converter = new FormatConverter(ImageFactory);
converter.Initialize(frame, PixelFormat.Format32bppRGB);
bmp = Bitmap.FromWicBitmap(device, converter);
}
converter.Dispose();
frame.Dispose();
decoder.Dispose();
stream.Dispose();
return(bmp);
}
catch
{
if (converter?.IsDisposed == false)
{
converter.Dispose();
}
if (frame?.IsDisposed == false)
{
frame.Dispose();
}
if (decoder?.IsDisposed == false)
{
decoder.Dispose();
}
if (stream != null)
{
TryCatch(() => stream.Dispose());
}
if (bmp?.IsDisposed == false)
{
bmp.Dispose();
}
throw;
}
}
/// <summary>
/// 從WIC Frame建立貼圖資源(非DDS)
/// </summary>
/// <param name="d3dContext">If a Direct3D 11 device context is provided and the current device supports it for the given pixel format, it will auto-generate mipmaps.</param>
private static Result CreateWICTexture(Device device, DeviceContext d3dContext, BitmapFrameDecode frame, int maxsize, ResourceUsage usage, BindFlags bind, CpuAccessFlags cpuAccess, ResourceOptionFlags option, LoadFlags load, out Resource texture, out ShaderResourceView textureView)
{
texture = null;
textureView = null;
if (frame.Size.Width <= 0 || frame.Size.Height <= 0)
{
return(Result.InvalidArg);
}
if (maxsize == 0)
{
switch (device.FeatureLevel)
{
case FeatureLevel.Level_9_1:
case FeatureLevel.Level_9_2:
maxsize = 2048 /*D3D_FL9_1_REQ_TEXTURE2D_U_OR_V_DIMENSION*/;
break;
case FeatureLevel.Level_9_3:
maxsize = 4096 /*D3D_FL9_3_REQ_TEXTURE2D_U_OR_V_DIMENSION*/;
break;
case FeatureLevel.Level_10_0:
case FeatureLevel.Level_10_1:
maxsize = 8192 /*D3D10_REQ_TEXTURE2D_U_OR_V_DIMENSION*/;
break;
default:
maxsize = Resource.MaximumTexture2DSize; /*D3D11_REQ_TEXTURE2D_U_OR_V_DIMENSION*/
break;
}
}
Size2 frameSize = frame.Size;
Size2 targetSize;
if (frameSize.Width > maxsize || frameSize.Height > maxsize)
{
double ratio = Convert.ToDouble(frameSize.Height) / Convert.ToDouble(frameSize.Width);
if (frameSize.Width > frameSize.Height)
{
targetSize.Width = maxsize;
targetSize.Height = Math.Max(1, Convert.ToInt32(maxsize * ratio));
}
else
{
targetSize.Height = maxsize;
targetSize.Width = Math.Max(1, Convert.ToInt32(maxsize / ratio));
}
}
else
{
targetSize = frameSize;
}
#region Determine format
Guid sourceFormat = frame.PixelFormat;
Guid targetFormat = sourceFormat;
DXGI.Format format = sourceFormat.ConvertWICToDXGIFormat();
int bpp = 0;
if (format == DXGI.Format.Unknown)
{
if (sourceFormat == PixelFormat.Format96bppRGBFixedPoint)
{
if (WIC2)
{
targetFormat = PixelFormat.Format96bppRGBFloat;
format = DXGI.Format.R32G32B32_Float;
bpp = 96;
}
else
{
targetFormat = PixelFormat.Format128bppRGBAFloat;
format = DXGI.Format.R32G32B32A32_Float;
bpp = 128;
}
}
else
{
targetFormat = sourceFormat.ConvertToNearest();
format = targetFormat.ConvertWICToDXGIFormat();
bpp = PixelFormat.GetBitsPerPixel(targetFormat);
}
if (format == DXGI.Format.Unknown)
{
return(Result.GetResultFromWin32Error(unchecked ((int)0x80070032)));
}
}
else
{
bpp = PixelFormat.GetBitsPerPixel(sourceFormat);
}
if (format == DXGI.Format.R32G32B32_Float && d3dContext != null)
{
// Special case test for optional device support for autogen mipchains for R32G32B32_FLOAT
var formatSupport = device.CheckFormatSupport(format);
if (!formatSupport.HasFlag(FormatSupport.MipAutogen))
{
targetFormat = PixelFormat.Format128bppRGBAFloat;
format = DXGI.Format.R32G32B32A32_Float;
bpp = 128;
}
}
if (bpp == 0)
{
return(Result.Fail);
}
if (load.HasFlag(LoadFlags.ForceSrgb))
{
format = format.MakeSRgb();
}
else if (!load.HasFlag(LoadFlags.ignoreSrgb))
{
bool sRGB = false;
try {
var metareader = frame.MetadataQueryReader;
var containerFormat = metareader.ContainerFormat;
if (containerFormat == ContainerFormatGuids.Png)
{
// Check for sRGB chunk
if (metareader.TryGetMetadataByName("/sRGB/RenderingIntent", out var value) == Result.Ok)
{
sRGB = true;
}
}
else if (metareader.TryGetMetadataByName("System.Image.ColorSpace", out var value) == Result.Ok)
{
sRGB = true;
}
if (sRGB)
{
format = format.MakeSRgb();
}
} catch (SharpDXException) {
// BMP, ICO are not supported.
}
}
// Verify our target format is supported by the current device
var support = device.CheckFormatSupport(format);
if (!support.HasFlag(FormatSupport.Texture2D))
{
targetFormat = PixelFormat.Format32bppRGBA;
format = DXGI.Format.R8G8B8A8_UNorm;
bpp = 32;
}
#endregion
int stride = (targetSize.Width * bpp + 7) / 8; // round
int imageSize = stride * targetSize.Height;
IntPtr temp = System.Runtime.InteropServices.Marshal.AllocCoTaskMem(imageSize);
if (sourceFormat == targetFormat && frameSize == targetSize) // 不需要格式轉換 且 不需要改變大小
{
frame.CopyPixels(stride, new DataPointer(temp, imageSize));
}
else if (frameSize == targetSize) // 需要格式轉換
{
using (var factory = new ImagingFactory2())
using (var coverter = new FormatConverter(factory)) {
if (coverter.CanConvert(sourceFormat, targetFormat))
{
coverter.Initialize(frame, targetFormat, BitmapDitherType.ErrorDiffusion, null, 0, BitmapPaletteType.MedianCut);
coverter.CopyPixels(stride, new DataPointer(temp, imageSize));
}
else
{
return(Result.UnexpectedFailure);
}
}
}
else if (sourceFormat == targetFormat) // 需要改變大小
{
using (var factory = new ImagingFactory2())
using (var scaler = new BitmapScaler(factory)) {
scaler.Initialize(frame, targetSize.Width, targetSize.Height, BitmapInterpolationMode.Fant);
var pfScaler = scaler.PixelFormat;
if (targetFormat == pfScaler)
{
scaler.CopyPixels(stride, new DataPointer(temp, imageSize));
}
}
}
else // 需要格式轉換 且 需要改變大小
{
using (var factory = new ImagingFactory2())
using (var scaler = new BitmapScaler(factory))
using (var coverter = new FormatConverter(factory)) {
scaler.Initialize(frame, targetSize.Width, targetSize.Height, BitmapInterpolationMode.Fant);
var pfScaler = scaler.PixelFormat;
if (coverter.CanConvert(pfScaler, targetFormat))
{
coverter.Initialize(scaler, targetFormat, BitmapDitherType.ErrorDiffusion, null, 0, BitmapPaletteType.MedianCut);
coverter.CopyPixels(stride, new DataPointer(temp, imageSize));
}
else
{
return(Result.UnexpectedFailure);
}
}
}
var autogen = false;
if (d3dContext != null)
{
var formatSupport = device.CheckFormatSupport(format);
if (formatSupport.HasFlag(FormatSupport.MipAutogen))
{
autogen = true;
}
}
var texture2DDescription = new Texture2DDescription()
{
Width = targetSize.Width,
Height = targetSize.Height,
MipLevels = autogen ? 0 : 1,
ArraySize = 1,
Format = format,
SampleDescription = new DXGI.SampleDescription(1, 0),
Usage = usage,
CpuAccessFlags = cpuAccess,
};
if (autogen)
{
texture2DDescription.BindFlags = bind | BindFlags.RenderTarget;
texture2DDescription.OptionFlags = option | ResourceOptionFlags.GenerateMipMaps;
}
else
{
texture2DDescription.BindFlags = bind;
texture2DDescription.OptionFlags = option;
}
Result result = Result.Ok;
// 建立Texture2D !!!
try {
if (autogen)
{
texture = new Texture2D(device, texture2DDescription);
}
else
{
texture = new Texture2D(device, texture2DDescription, new DataBox[] { new DataBox(temp, stride, imageSize) });
}
} catch (SharpDXException e) {
System.Diagnostics.Debug.WriteLine(e.ToString());
result = Result.Fail;
}
if (result.Success)
{
var SRVDesc = new ShaderResourceViewDescription()
{
Format = format,
Dimension = ShaderResourceViewDimension.Texture2D,
Texture2D = new ShaderResourceViewDescription.Texture2DResource()
{
MipLevels = autogen ? -1 : 1
},
};
try {
textureView = new ShaderResourceView(device, texture, SRVDesc);
if (autogen)
{
DataBox data = new DataBox(temp, stride, imageSize);
d3dContext.UpdateSubresource(data, texture);
d3dContext.GenerateMips(textureView);
}
} catch (Exception e) {
System.Diagnostics.Debug.WriteLine(e.ToString());
Utilities.Dispose(ref texture);
result = Result.Fail;
}
}
// 釋放 Unmanaged 資源
System.Runtime.InteropServices.Marshal.FreeCoTaskMem(temp);
return(result);
}
public static BitmapBrush makeBitmapBrush(RenderTarget renderTarget, string imgName, bool blankImage = false)
{
string imageSrc = Program.spriteFileDir + imgName;
if (blankImage)
{
var pf = new SharpDX.Direct2D1.PixelFormat()
{
AlphaMode = SharpDX.Direct2D1.AlphaMode.Premultiplied,
Format = Format.B8G8R8A8_UNorm
};
BitmapRenderTarget pallete = new BitmapRenderTarget(renderTarget, CompatibleRenderTargetOptions.GdiCompatible, pf);
return(new BitmapBrush(renderTarget, pallete.Bitmap, new BitmapBrushProperties()
{
ExtendModeX = ExtendMode.Wrap, ExtendModeY = ExtendMode.Wrap
}));
}
if (File.Exists(imageSrc))
{
ImagingFactory imagingFactory = new ImagingFactory();
NativeFileStream fileStream = new NativeFileStream(imageSrc,
NativeFileMode.Open, NativeFileAccess.Read);
BitmapDecoder bitmapDecoder = new BitmapDecoder(imagingFactory, fileStream, DecodeOptions.CacheOnDemand);
BitmapFrameDecode frame = bitmapDecoder.GetFrame(0);
FormatConverter converter = new FormatConverter(imagingFactory);
converter.Initialize(frame, SharpDX.WIC.PixelFormat.Format32bppPRGBA);
Bitmap bitmap = Bitmap.FromWicBitmap(renderTarget, converter);
Utilities.Dispose(ref bitmapDecoder);
Utilities.Dispose(ref fileStream);
Utilities.Dispose(ref imagingFactory);
Utilities.Dispose(ref converter);
return(new BitmapBrush(renderTarget, bitmap, new BitmapBrushProperties()
{
ExtendModeX = ExtendMode.Wrap, ExtendModeY = ExtendMode.Wrap
}));
}
else
{
Console.WriteLine("{0} missing", imageSrc);
var pf = new SharpDX.Direct2D1.PixelFormat()
{
AlphaMode = SharpDX.Direct2D1.AlphaMode.Premultiplied,
Format = Format.B8G8R8A8_UNorm
};
BitmapRenderTarget pallete = new BitmapRenderTarget(renderTarget, CompatibleRenderTargetOptions.GdiCompatible, new Size2F(30f, 30f), new Size2(1, 1), pf);
pallete.BeginDraw();
pallete.Clear(Color.Purple);
pallete.EndDraw();
return(new BitmapBrush(renderTarget, pallete.Bitmap, new BitmapBrushProperties()
{
ExtendModeX = ExtendMode.Wrap, ExtendModeY = ExtendMode.Wrap
}));
}
}
/// <summary>
/// Function to read the data from a frame.
/// </summary>
/// <param name="wic">WIC interface.</param>
/// <param name="data">Image data to populate.</param>
/// <param name="srcFormat">Source image format.</param>
/// <param name="convertFormat">Conversion format.</param>
/// <param name="frame">Frame containing the image data.</param>
private void ReadFrame(GorgonWICImage wic, GorgonImageData data, Guid srcFormat, Guid convertFormat, BitmapFrameDecode frame)
{
var buffer = data.Buffers[0];
// We don't need to convert, so just leave.
if ((convertFormat == Guid.Empty) || (srcFormat == convertFormat))
{
frame.CopyPixels(buffer.PitchInformation.RowPitch, buffer.Data.BasePointer, buffer.PitchInformation.SlicePitch);
return;
}
// Perform conversion.
using (var converter = new FormatConverter(wic.Factory))
{
bool isIndexed = ((frame.PixelFormat == PixelFormat.Format8bppIndexed) ||
(frame.PixelFormat == PixelFormat.Format4bppIndexed) ||
(frame.PixelFormat == PixelFormat.Format2bppIndexed) ||
(frame.PixelFormat == PixelFormat.Format1bppIndexed));
Tuple <Palette, double, BitmapPaletteType> paletteInfo = null;
try
{
// If the pixel format is indexed, then retrieve a palette.
if (isIndexed)
{
paletteInfo = GetPaletteInfo(wic, null);
}
// If we've defined a palette for an indexed image, then copy it to a bitmap and set its palette.
if ((paletteInfo != null) && (paletteInfo.Item1 != null))
{
using (var tempBitmap = new Bitmap(wic.Factory, frame, BitmapCreateCacheOption.CacheOnDemand))
{
tempBitmap.Palette = paletteInfo.Item1;
converter.Initialize(tempBitmap, convertFormat, (BitmapDitherType)Dithering, paletteInfo.Item1, paletteInfo.Item2, paletteInfo.Item3);
converter.CopyPixels(buffer.PitchInformation.RowPitch, buffer.Data.BasePointer, buffer.PitchInformation.SlicePitch);
}
return;
}
// Only apply palettes to indexed image data.
converter.Initialize(frame, convertFormat, (BitmapDitherType)Dithering, null, 0.0, BitmapPaletteType.Custom);
converter.CopyPixels(buffer.PitchInformation.RowPitch, buffer.Data.BasePointer, buffer.PitchInformation.SlicePitch);
}
finally
{
if ((paletteInfo != null) && (paletteInfo.Item1 != null))
{
paletteInfo.Item1.Dispose();
}
}
}
}
/// <summary>
/// Function to retrieve meta data from the image.
/// </summary>
/// <param name="wic">WIC interface.</param>
/// <param name="decoder">Decoder for the image.</param>
/// <param name="frame">Frame in the image to decode.</param>
/// <param name="bestFormatMatch">The best match for the pixel format.</param>
/// <returns>Settings for the new image.</returns>
internal IImageSettings ReadMetaData(GorgonWICImage wic, BitmapDecoder decoder, BitmapFrameDecode frame, out Guid bestFormatMatch)
{
return(new GorgonTexture2DSettings
{
Width = frame.Size.Width,
Height = frame.Size.Height,
MipCount = 1,
ArrayCount = (CodecUseAllFrames && SupportsMultipleFrames) ? decoder.FrameCount : 1,
Format = wic.FindBestFormat(frame.PixelFormat, DecodeFlags, out bestFormatMatch)
});
}
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;
}
//-------------------------------------------------------------------------------------
// 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 unsafe BitmapSource GetBitmapFromImage()
{
var captureData = k4a_image_get_buffer(this.image.Handle);
var captureSize = (int)this.image.Size;
switch (image.Format)
{
case ImageFormat.ColorMJPG:
{
this.bitmapDecoder = new BitmapDecoder(this.imagingFactory, ContainerFormatGuids.Jpeg);
this.stream = new WICStream(this.imagingFactory, new DataPointer(captureData, captureSize));
this.bitmapDecoder.Initialize(this.stream, DecodeOptions.CacheOnLoad);
this.frame = this.bitmapDecoder.GetFrame(0);
this.formatConverter = new FormatConverter(this.imagingFactory);
formatConverter.Initialize(frame, PixelFormat.Format32bppPBGRA, BitmapDitherType.None, null, 0.0, BitmapPaletteType.Custom);
return(formatConverter);
}
case ImageFormat.ColorBGRA32:
return(new Bitmap(this.imagingFactory,
image.WidthPixels,
image.HeightPixels,
PixelFormat.Format32bppPBGRA,
new DataRectangle(captureData, image.StrideBytes),
captureSize));
case ImageFormat.IR16:
case ImageFormat.Depth16:
return(new Bitmap(this.imagingFactory,
image.WidthPixels,
image.HeightPixels,
PixelFormat.Format16bppGrayFixedPoint,
new DataRectangle(captureData, image.StrideBytes),
captureSize));
case ImageFormat.ColorNV12:
{
int textureWidth = this.image.WidthPixels;
int textureHeight = this.image.HeightPixels;
var imagePixels = textureWidth * textureHeight;
var nv12Span = new Span <byte>(captureData.ToPointer(), captureSize);
var nv12ySpan = nv12Span.Slice(0, imagePixels);
var nv12uvSpan = nv12Span.Slice(nv12ySpan.Length, (int)(imagePixels * 0.5));
var bitmap = new Bitmap(this.imagingFactory,
image.WidthPixels,
image.HeightPixels,
PixelFormat.Format32bppPBGRA,
BitmapCreateCacheOption.CacheOnLoad);
using (var bitmapLock = bitmap.Lock(BitmapLockFlags.Write))
{
var ptr = (byte *)bitmapLock.Data.DataPointer.ToPointer();
fixed(byte *yptr = nv12ySpan)
fixed(byte *uvptr = nv12uvSpan)
{
_ = LibYuv.NV12ToARGB(yptr, textureWidth, uvptr, textureWidth, ptr, textureWidth * 4, textureWidth, textureHeight);
}
}
return(bitmap);
}
case ImageFormat.ColorYUY2:
{
int textureWidth = this.image.WidthPixels;
int textureHeight = this.image.HeightPixels;
var imagePixels = textureWidth * textureHeight;
var yuv2Span = new Span <byte>(captureData.ToPointer(), captureSize);
var bitmap = new Bitmap(this.imagingFactory,
image.WidthPixels,
image.HeightPixels,
PixelFormat.Format32bppPBGRA,
BitmapCreateCacheOption.CacheOnLoad);
using (var bitmapLock = bitmap.Lock(BitmapLockFlags.Write))
{
var ptr = (byte *)bitmapLock.Data.DataPointer.ToPointer();
fixed(byte *yuv2ptr = yuv2Span)
{
_ = LibYuv.YUY2ToARGB(yuv2ptr, textureWidth * 2, ptr, textureWidth * 4, textureWidth, textureHeight);
}
}
return(bitmap);
}
case ImageFormat.Custom8:
case ImageFormat.Custom16:
case ImageFormat.Custom:
default:
throw new NotImplementedException($"Format not implemented: {image.Format}.");
}
}
private Texture LoadTextureFromFile(string fileName, bool generateMips, int mipLevels = -1)
{
BitmapDecoder decoder = new BitmapDecoder(_imagingFactory,
fileName, DecodeOptions.CacheOnDemand);
BitmapFrameDecode bitmapFirstFrame = decoder.GetFrame(0);
Utilities.Dispose(ref decoder);
FormatConverter formatConverter = new FormatConverter(_imagingFactory);
formatConverter.Initialize(bitmapFirstFrame, PixelFormat.Format32bppRGBA,
BitmapDitherType.None, null, 0.0f, BitmapPaletteType.Custom);
int stride = formatConverter.Size.Width * 4;
DataStream buffer = new DataStream(
formatConverter.Size.Height * stride, true, true);
formatConverter.CopyPixels(stride, buffer);
int width = formatConverter.Size.Width;
int height = formatConverter.Size.Height;
Texture2DDescription texture2DDescription = new Texture2DDescription()
{
Width = width,
Height = height,
MipLevels = (generateMips ? 0 : 1),
ArraySize = 1,
Format = Format.R8G8B8A8_UNorm,
SampleDescription = _sampleDescription,
Usage = ResourceUsage.Default,
BindFlags = (
generateMips ?
BindFlags.ShaderResource | BindFlags.RenderTarget : BindFlags.ShaderResource
),
CpuAccessFlags = CpuAccessFlags.None,
OptionFlags = (
generateMips ?
ResourceOptionFlags.GenerateMipMaps :
ResourceOptionFlags.None
)
};
Texture2D textureObject;
if (generateMips)
{
textureObject = new Texture2D(_directX3DGraphics.Device, texture2DDescription);
}
else
{
DataRectangle dataRectangle = new DataRectangle(buffer.DataPointer, stride);
textureObject = new Texture2D(_directX3DGraphics.Device, texture2DDescription, dataRectangle);
}
ShaderResourceViewDescription shaderResourceViewDescription =
new ShaderResourceViewDescription()
{
Dimension = ShaderResourceViewDimension.Texture2D,
Format = Format.R8G8B8A8_UNorm,
Texture2D = new ShaderResourceViewDescription.Texture2DResource
{
MostDetailedMip = 0,
MipLevels = (generateMips ? mipLevels : 1)
}
};
ShaderResourceView shaderResourceView =
new ShaderResourceView(_directX3DGraphics.Device, textureObject, shaderResourceViewDescription);
if (generateMips)
{
DataBox dataBox = new DataBox(buffer.DataPointer, stride, 1);
_directX3DGraphics.DeviceContext.UpdateSubresource(dataBox, textureObject, 0);
_directX3DGraphics.DeviceContext.GenerateMips(shaderResourceView);
}
Utilities.Dispose(ref formatConverter);
return(new Texture(textureObject, shaderResourceView, width, height, samplerState));
}
/// <summary>
/// Function to retrieve the offset for the frame being decoded.
/// </summary>
/// <param name="frame">Frame to decode.</param>
/// <returns>The position of the offset.</returns>
internal virtual Point GetFrameOffset(BitmapFrameDecode frame)
{
return(Point.Empty);
}
