public static IComObject <IWICBitmap> CreateBitmapFromMemory(this IWICImagingFactory factory, int width, int height, Guid pixelFormat, int stride, byte[] buffer) { if (factory == null) { throw new ArgumentNullException(nameof(factory)); } if (buffer == null) { throw new ArgumentNullException(nameof(buffer)); } factory.CreateBitmapFromMemory(width, height, pixelFormat, stride, buffer.Length, buffer, out var value).ThrowOnError(); return(new ComObject <IWICBitmap>(value)); }
public static IWICBitmap CreateBitmapFromBlob(this IWICImagingFactory factory, Array blob, int width, int height, int stride, Guid imageFormat) { if (factory == null) { throw new ArgumentNullException("factory"); } if (blob == null) { throw new ArgumentNullException("blob"); } int arrayBufferSize = WicUtility.GetArrayBufferSize(blob); IWICBitmap result; using (PinHelper pinHelper = new PinHelper(blob)) { factory.CreateBitmapFromMemory(width, height, ref imageFormat, stride, arrayBufferSize, pinHelper.Addr, out result); } return(result); }
private unsafe void SaveScreenshot(string path, ContainerFormat format = ContainerFormat.Jpeg) { var d3d11GraphicsDevice = ((D3D11GraphicsDevice)_graphicsDevice !); ID3D11Texture2D source = Headless ? d3d11GraphicsDevice !.OffscreenTexture : d3d11GraphicsDevice !.BackBufferTexture; using (ID3D11Texture2D staging = d3d11GraphicsDevice !.CaptureTexture(source)) { staging.DebugName = "STAGING"; var textureDesc = staging !.Description; // Determine source format's WIC equivalent Guid pfGuid = default; bool sRGB = false; switch (textureDesc.Format) { case Vortice.DXGI.Format.R32G32B32A32_Float: pfGuid = WICPixelFormat.Format128bppRGBAFloat; break; //case DXGI_FORMAT_R16G16B16A16_FLOAT: pfGuid = GUID_WICPixelFormat64bppRGBAHalf; break; //case DXGI_FORMAT_R16G16B16A16_UNORM: pfGuid = GUID_WICPixelFormat64bppRGBA; break; //case DXGI_FORMAT_R10G10B10_XR_BIAS_A2_UNORM: pfGuid = GUID_WICPixelFormat32bppRGBA1010102XR; break; // DXGI 1.1 //case DXGI_FORMAT_R10G10B10A2_UNORM: pfGuid = GUID_WICPixelFormat32bppRGBA1010102; break; //case DXGI_FORMAT_B5G5R5A1_UNORM: pfGuid = GUID_WICPixelFormat16bppBGRA5551; break; //case DXGI_FORMAT_B5G6R5_UNORM: pfGuid = GUID_WICPixelFormat16bppBGR565; break; //case DXGI_FORMAT_R32_FLOAT: pfGuid = GUID_WICPixelFormat32bppGrayFloat; break; //case DXGI_FORMAT_R16_FLOAT: pfGuid = GUID_WICPixelFormat16bppGrayHalf; break; //case DXGI_FORMAT_R16_UNORM: pfGuid = GUID_WICPixelFormat16bppGray; break; //case DXGI_FORMAT_R8_UNORM: pfGuid = GUID_WICPixelFormat8bppGray; break; //case DXGI_FORMAT_A8_UNORM: pfGuid = GUID_WICPixelFormat8bppAlpha; break; case Vortice.DXGI.Format.R8G8B8A8_UNorm: pfGuid = WICPixelFormat.Format32bppRGBA; break; case Vortice.DXGI.Format.R8G8B8A8_UNorm_SRgb: pfGuid = WICPixelFormat.Format32bppRGBA; sRGB = true; break; case Vortice.DXGI.Format.B8G8R8A8_UNorm: // DXGI 1.1 pfGuid = WICPixelFormat.Format32bppBGRA; break; case Vortice.DXGI.Format.B8G8R8A8_UNorm_SRgb: // DXGI 1.1 pfGuid = WICPixelFormat.Format32bppBGRA; sRGB = true; break; case Vortice.DXGI.Format.B8G8R8X8_UNorm: // DXGI 1.1 pfGuid = WICPixelFormat.Format32bppBGR; break; case Vortice.DXGI.Format.B8G8R8X8_UNorm_SRgb: // DXGI 1.1 pfGuid = WICPixelFormat.Format32bppBGR; sRGB = true; break; default: //Console.WriteLine("ERROR: ScreenGrab does not support all DXGI formats (%u). Consider using DirectXTex.\n", static_cast<uint32_t>(desc.Format)); return; } // Screenshots don't typically include the alpha channel of the render target Guid targetGuid = default; switch (textureDesc.Format) { case Vortice.DXGI.Format.R32G32B32A32_Float: case Vortice.DXGI.Format.R16G16B16A16_Float: //if (_IsWIC2()) { targetGuid = WICPixelFormat.Format96bppRGBFloat; } //else //{ // targetGuid = WICPixelFormat.Format24bppBGR; //} break; case Vortice.DXGI.Format.R16G16B16A16_UNorm: targetGuid = WICPixelFormat.Format48bppBGR; break; case Vortice.DXGI.Format.B5G5R5A1_UNorm: targetGuid = WICPixelFormat.Format16bppBGR555; break; case Vortice.DXGI.Format.B5G6R5_UNorm: targetGuid = WICPixelFormat.Format16bppBGR565; break; case Vortice.DXGI.Format.R32_Float: case Vortice.DXGI.Format.R16_Float: case Vortice.DXGI.Format.R16_UNorm: case Vortice.DXGI.Format.R8_UNorm: case Vortice.DXGI.Format.A8_UNorm: targetGuid = WICPixelFormat.Format8bppGray; break; default: targetGuid = WICPixelFormat.Format24bppBGR; break; } using var wicFactory = new IWICImagingFactory(); using IWICBitmapDecoder decoder = wicFactory.CreateDecoderFromFileName(path); using Stream stream = File.OpenWrite(path); using IWICStream wicStream = wicFactory.CreateStream(stream); using IWICBitmapEncoder encoder = wicFactory.CreateEncoder(format, wicStream); // Create a Frame encoder var props = new SharpGen.Runtime.Win32.PropertyBag(); var frame = encoder.CreateNewFrame(props); frame.Initialize(props); frame.SetSize(textureDesc.Width, textureDesc.Height); frame.SetResolution(72, 72); frame.SetPixelFormat(targetGuid); var context = d3d11GraphicsDevice !.DeviceContext; //var mapped = context.Map(staging, 0, MapMode.Read, MapFlags.None); Span <Color> colors = context.Map <Color>(staging, 0, 0, MapMode.Read, MapFlags.None); // Check conversion if (targetGuid != pfGuid) { // Conversion required to write using (IWICBitmap bitmapSource = wicFactory.CreateBitmapFromMemory( textureDesc.Width, textureDesc.Height, pfGuid, colors)) { using (IWICFormatConverter formatConverter = wicFactory.CreateFormatConverter()) { formatConverter.CanConvert(pfGuid, targetGuid, out RawBool canConvert); if (!canConvert) { context.Unmap(staging, 0); return; } formatConverter.Initialize(bitmapSource, targetGuid, BitmapDitherType.None, null, 0, BitmapPaletteType.MedianCut); frame.WriteSource(formatConverter, new Rectangle(textureDesc.Width, textureDesc.Height)); } } } else { // No conversion required int stride = WICPixelFormat.GetStride(pfGuid, textureDesc.Width); frame.WritePixels(textureDesc.Height, stride, colors); } context.Unmap(staging, 0); frame.Commit(); encoder.Commit(); } }
public static IWICBitmap CreateBitmapFromMemory(this IWICImagingFactory imagingFactory, WICSize size, Guid pixelFormat, int cbStride, byte[] pbBuffer) { return(imagingFactory.CreateBitmapFromMemory(size.Width, size.Height, pixelFormat, cbStride, pbBuffer.Length, pbBuffer)); }