コード例 #1
1
ファイル: WicHelper.cs プロジェクト: Zolniu/DigitalRune
        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;
        }
コード例 #2
0
 public D2D1.Bitmap LoadImage(Stream stream)
 {
     using (var converter = new WIC.FormatConverter(_renderBase.WicFactory))
         using (var scaler = new WIC.BitmapScaler(_renderBase.WicFactory))
             using (var rotater = new WIC.BitmapFlipRotator(_renderBase.WicFactory))
                 using (var bmd = new WIC.BitmapDecoder(_renderBase.WicFactory, stream, WIC.DecodeOptions.CacheOnDemand))
                     using (var frame = bmd.GetFrame(0))
                     {
                         /*
                          *              var rotation = GetExifRotation(frame);
                          *              var size = frame.Size;
                          *              scaler.Initialize(frame, (int) (size.Width + 0.5), (int) (size.Height + 0.5), WIC.BitmapInterpolationMode.HighQualityCubic);
                          *              converter.Initialize(scaler, WIC.PixelFormat.Format32bppPRGBA);
                          * return (
                          *  D2D1.Bitmap.FromWicBitmap(Target, converter),
                          *  GetMatrix(frame, rotation),
                          *  GetSize(frame, rotation)
                          * );
                          */
                         var size = frame.Size;
                         scaler.Initialize(frame, (int)size.Width, (int)size.Height, WIC.BitmapInterpolationMode.Linear);
                         converter.Initialize(scaler, WIC.PixelFormat.Format32bppPBGRA);
                         rotater.Initialize(converter, GetExifRotation(frame));
                         return(D2D1.Bitmap.FromWicBitmap(Target, rotater));
                     }
 }
コード例 #3
0
        public D3D11Renderer(ObservableVideoTrack videoTrack, RendererOptions options)
            : base(videoTrack, options)
        {
            // _factoryDWrite = new DWrite.Factory(DWrite.FactoryType.Shared);

            var device2D = new D2D1.Device(DeviceDXGI, new D2D1.CreationProperties
            {
                DebugLevel    = D2D1.DebugLevel.Warning,
                ThreadingMode = D2D1.ThreadingMode.MultiThreaded,
                Options       = D2D1.DeviceContextOptions.None
            });

            _context2D = new D2D1.DeviceContext(device2D, D2D1.DeviceContextOptions.None);

            // Load the background image
            using (var factoryWic = new WIC.ImagingFactory2())
                using (var decoder = new WIC.JpegBitmapDecoder(factoryWic))
                    using (var inputStream = new WIC.WICStream(factoryWic, "background-small.jpg", NativeFileAccess.Read))
                        using (var formatConverter = new WIC.FormatConverter(factoryWic))
                            using (var bitmapScaler = new WIC.BitmapScaler(factoryWic))
                            {
                                decoder.Initialize(inputStream, WIC.DecodeOptions.CacheOnLoad);
                                formatConverter.Initialize(decoder.GetFrame(0), WIC.PixelFormat.Format32bppPBGRA);
                                bitmapScaler.Initialize(formatConverter, VideoFrameWidth, VideoFrameHeight,
                                                        WIC.BitmapInterpolationMode.Fant);
                                _backgroundBitmap = D2D1.Bitmap1.FromWicBitmap(_context2D, bitmapScaler);
                            }

            // Create render target
            _ballEllipse = new D2D1.Ellipse {
                RadiusX = VideoFrameWidth / 20f, RadiusY = VideoFrameWidth / 20f
            };

            _ballBrush = new D2D1.SolidColorBrush(_context2D, new RawColor4(1f, 1f, 0f, 1f));
        }
コード例 #4
0
 public D2D1.Bitmap LoadImage(Stream stream)
 {
     using (var converter = new WIC.FormatConverter(_renderBase.WicFactory))
         using (var scaler = new WIC.BitmapScaler(_renderBase.WicFactory))
             using (var bmd = new WIC.BitmapDecoder(_renderBase.WicFactory, stream, WIC.DecodeOptions.CacheOnLoad))
                 using (var frame = bmd.GetFrame(0))
                 {
                     var size = frame.Size;
                     scaler.Initialize(frame, (int)(size.Width + 0.5), (int)(size.Height + 0.5), WIC.BitmapInterpolationMode.HighQualityCubic);
                     converter.Initialize(scaler, WIC.PixelFormat.Format32bppPRGBA);
                     return(D2D1.Bitmap.FromWicBitmap(Target, converter));
                 }
 }
コード例 #5
0
ファイル: GorgonWICImage.cs プロジェクト: tmp7701/Gorgon
        /// <summary>
        /// Function to clip or scale the bitmap up or down to the size of the buffer.
        /// </summary>
        /// <param name="bitmap">Bitmap to scale.</param>
        /// <param name="filter">Filtering to apply to the scaled bitmap.</param>
        /// <param name="buffer">Buffer to receive the scaled bitmap.</param>
        /// <param name="clip">TRUE to clip, FALSE to scale.</param>
        /// <returns>TRUE if clipping/scaling was performed, FALSE if not.</returns>
        private bool ResizeBitmap(WIC.BitmapSource bitmap, WIC.BitmapInterpolationMode filter, GorgonImageBuffer buffer, bool clip)
        {
            if (!clip)
            {
                using (var scaler = new WIC.BitmapScaler(Factory))
                {
                    scaler.Initialize(bitmap, buffer.Width, buffer.Height, filter);
                    scaler.CopyPixels(buffer.PitchInformation.RowPitch, buffer.Data.BasePointer, buffer.PitchInformation.SlicePitch);
                }

                return(true);
            }

            if ((buffer.Width >= bitmap.Size.Width) && (buffer.Height >= bitmap.Size.Height))
            {
                return(false);
            }

            ClipBitmap(bitmap, buffer);
            return(true);
        }
コード例 #6
0
        //-------------------------------------------------------------------------------------
        // 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);
        }
コード例 #7
0
    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;

      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 scaler = new BitmapScaler(factory))
        using (var output = new MemoryStream())
        using (var encoder = new BitmapEncoder(factory, ContainerFormatGuids.Jpeg))
        {
          // decode the loaded image to a format that can be consumed by D2D
          BitmapSource source = decoder.GetFrame(0);

          // 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;
          }
          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();
          imageType = ImageType.Jpeg;
          return true;
        }
      }
      catch (Exception e)
      {
        // ServiceRegistration.Get<ILogger>().Warn("WICThumbnailProvider: Error loading bitmapSource from file data stream", e);
        return false;
      }
    }
コード例 #8
0
ファイル: WICHelper.cs プロジェクト: numo16/SharpDX
        //-------------------------------------------------------------------------------------
        // 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;
        }
コード例 #9
0
ファイル: GorgonWICImage.cs プロジェクト: tmp7701/Gorgon
        /// <summary>
        /// Function to perform conversion/transformation of a bitmap.
        /// </summary>
        /// <param name="sourceData">WIC bitmap to transform.</param>
        /// <param name="destData">Destination data buffer.</param>
        /// <param name="rowPitch">Number of bytes per row in the image.</param>
        /// <param name="slicePitch">Number of bytes in total for the image.</param>
        /// <param name="destFormat">Destination format for transformation.</param>
        /// <param name="isSourcesRGB">TRUE if the source format is sRGB.</param>
        /// <param name="isDestsRGB">TRUE if the destination format is sRGB.</param>
        /// <param name="dither">Dithering to apply to images that get converted to a lower bit depth.</param>
        /// <param name="destRect">Rectangle containing the area to scale or clip</param>
        /// <param name="clip">TRUE to perform clipping instead of scaling.</param>
        /// <param name="scaleFilter">Filter to apply to scaled data.</param>
        public void TransformImageData(WIC.BitmapSource sourceData, IntPtr destData, int rowPitch, int slicePitch, Guid destFormat, bool isSourcesRGB, bool isDestsRGB, ImageDithering dither, Rectangle destRect, bool clip, ImageFilter scaleFilter)
        {
            WIC.BitmapSource    source        = sourceData;
            WIC.FormatConverter converter     = null;
            WIC.BitmapClipper   clipper       = null;
            WIC.BitmapScaler    scaler        = null;
            WIC.ColorContext    sourceContext = null;
            WIC.ColorContext    destContext   = null;
            WIC.ColorTransform  sRGBTransform = null;

            try
            {
                if (destFormat != Guid.Empty)
                {
                    if (sourceData.PixelFormat != destFormat)
                    {
                        converter = new WIC.FormatConverter(Factory);

                        if (!converter.CanConvert(sourceData.PixelFormat, destFormat))
                        {
                            throw new GorgonException(GorgonResult.FormatNotSupported,
                                                      string.Format(Resources.GORGFX_FORMAT_NOT_SUPPORTED, destFormat));
                        }

                        converter.Initialize(source, destFormat, (WIC.BitmapDitherType)dither, null, 0, WIC.BitmapPaletteType.Custom);
                        source = converter;
                    }

                    if ((isDestsRGB) ||
                        (isSourcesRGB))
                    {
                        sRGBTransform = new WIC.ColorTransform(Factory);
                        sourceContext = new WIC.ColorContext(Factory);
                        destContext   = new WIC.ColorContext(Factory);

                        sourceContext.InitializeFromExifColorSpace(isSourcesRGB ? 1 : 2);
                        destContext.InitializeFromExifColorSpace(isDestsRGB ? 1 : 2);

                        sRGBTransform.Initialize(source, sourceContext, destContext, destFormat);
                        source = sRGBTransform;
                    }
                }

                if (destRect.IsEmpty)
                {
                    source.CopyPixels(rowPitch, destData, slicePitch);
                    return;
                }

                Guid pixelFormat = source.PixelFormat;

                if (!clip)
                {
                    scaler = new WIC.BitmapScaler(Factory);
                    scaler.Initialize(source,
                                      destRect.Width,
                                      destRect.Height,
                                      (WIC.BitmapInterpolationMode)scaleFilter);
                    source = scaler;
                }
                else
                {
                    destRect.Width  = destRect.Width.Min(source.Size.Width);
                    destRect.Height = destRect.Height.Min(source.Size.Height);

                    if ((destRect.Width < source.Size.Width) ||
                        (destRect.Height < source.Size.Height))
                    {
                        clipper = new WIC.BitmapClipper(Factory);
                        clipper.Initialize(source,
                                           new DX.Rectangle(destRect.X, destRect.Y, destRect.Width, destRect.Height));
                        source     = clipper;
                        destRect.X = 0;
                        destRect.Y = 0;
                    }
                }

                // We have a change of format (probably due to the filter when scaling)... so we need to convert.
                if (source.PixelFormat != pixelFormat)
                {
                    converter = new WIC.FormatConverter(Factory);

                    if (!converter.CanConvert(source.PixelFormat, pixelFormat))
                    {
                        throw new GorgonException(GorgonResult.FormatNotSupported,
                                                  string.Format(Resources.GORGFX_FORMAT_NOT_SUPPORTED, pixelFormat));
                    }

                    converter.Initialize(source,
                                         pixelFormat,
                                         WIC.BitmapDitherType.None,
                                         null,
                                         0,
                                         WIC.BitmapPaletteType.Custom);
                    source = converter;
                }

                source.CopyPixels(rowPitch, destData, slicePitch);
            }
            finally
            {
                if (converter != null)
                {
                    converter.Dispose();
                }

                if (sourceContext != null)
                {
                    sourceContext.Dispose();
                }

                if (destContext != null)
                {
                    destContext.Dispose();
                }

                if (sRGBTransform != null)
                {
                    sRGBTransform.Dispose();
                }

                if (scaler != null)
                {
                    scaler.Dispose();
                }

                if (clipper != null)
                {
                    clipper.Dispose();
                }
            }
        }
コード例 #10
0
ファイル: GorgonWICImage.cs プロジェクト: tmp7701/Gorgon
        /// <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();
                }
            }
        }