Example #1
0
        private MemoryStream GetBitmapAsStream(WIC.Bitmap wicBitmap)
        {
            int width  = wicBitmap.Size.Width;
            int height = wicBitmap.Size.Height;
            var ms     = new MemoryStream();

            using (var stream = new WIC.WICStream(
                       this.WicFactory,
                       ms))
            {
                using (var encoder = new WIC.PngBitmapEncoder(WicFactory))
                {
                    encoder.Initialize(stream);

                    using (var frameEncoder = new WIC.BitmapFrameEncode(encoder))
                    {
                        frameEncoder.Initialize();

                        frameEncoder.SetSize(width, height);
                        var format = WIC.PixelFormat.Format32bppBGRA;
                        frameEncoder.SetPixelFormat(ref format);
                        frameEncoder.WriteSource(wicBitmap);
                        frameEncoder.Commit();
                    }

                    encoder.Commit();
                }
            }

            ms.Position = 0;
            return(ms);
        }
        public void Save(Stream systemStream, Direct2DImageFormat format)
        {
          renderTarget.EndDraw();

          var stream = new WICStream(factoryManager.WicFactory, systemStream);
          var encoder = new BitmapEncoder(factoryManager.WicFactory, Direct2DConverter.ConvertImageFormat(format));
          encoder.Initialize(stream);

          var bitmapFrameEncode = new BitmapFrameEncode(encoder);
          bitmapFrameEncode.Initialize();
          bitmapFrameEncode.SetSize(imageWidth, imageHeight);

          Guid fdc = SharpDX.WIC.PixelFormat.FormatDontCare;
          //fdc = Direct2DConverter.ConvertImageFormat(Direct2DImageFormat.Gif);
          bitmapFrameEncode.SetPixelFormat(ref fdc);
          bitmapFrameEncode.WriteSource(wicBitmap);

          bitmapFrameEncode.Commit();
          try
          {
              encoder.Commit();
          }catch(Exception ex){

              var f = ex.Message;
          }
          bitmapFrameEncode.Dispose();
          encoder.Dispose();
          stream.Dispose();      



        }   
        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));
        }
Example #4
0
 /// <summary>
 /// Initializes a new instance of the <see cref="BitmapEncoder"/> class.
 /// </summary>
 /// <param name="factory">The factory.</param>
 /// <param name="containerFormatGuid">The container format GUID. List from <see cref="ContainerFormatGuids"/> </param>
 /// <param name="stream">A stream to use as the output of this bitmap encoder.</param>
 /// <unmanaged>HRESULT IWICImagingFactory::CreateEncoder([In] const GUID&amp; guidContainerFormat,[In, Optional] const GUID* pguidVendor,[Out] IWICBitmapEncoder** ppIEncoder)</unmanaged>	
 public BitmapEncoder(ImagingFactory factory, Guid containerFormatGuid, WICStream stream = null)
 {
     this.factory = factory;
     factory.CreateEncoder(containerFormatGuid, null, this);
     if (stream != null)
         Initialize(stream);
 }
 /// <summary>
 /// Initializes the encoder with the provided stream.
 /// </summary>
 /// <param name="stream">The stream to use for initialization.</param>
 /// <returns>If the method succeeds, it returns <see cref="Result.Ok"/>. Otherwise, it throws an exception.</returns>
 /// <unmanaged>HRESULT IWICBitmapEncoder::Initialize([In, Optional] IStream* pIStream,[In] WICBitmapEncoderCacheOption cacheOption)</unmanaged>
 public void Initialize(System.IO.Stream stream)
 {
     if (this.internalWICStream != null)
     {
         throw new InvalidOperationException("This instance is already initialized with an existing stream");
     }
     this.internalWICStream = new WICStream(factory, stream);
     Initialize_(this.internalWICStream.NativePointer, SharpDX.WIC.BitmapEncoderCacheOption.NoCache);
 }
 /// <summary>
 /// Initializes a new instance of the <see cref="BitmapEncoder"/> class.
 /// </summary>
 /// <param name="factory">The factory.</param>
 /// <param name="containerFormatGuid">The container format GUID. List from <see cref="ContainerFormatGuids"/> </param>
 /// <param name="stream">A stream to use as the output of this bitmap encoder.</param>
 /// <unmanaged>HRESULT IWICImagingFactory::CreateEncoder([In] const GUID&amp; guidContainerFormat,[In, Optional] const GUID* pguidVendor,[Out] IWICBitmapEncoder** ppIEncoder)</unmanaged>
 public BitmapEncoder(ImagingFactory factory, Guid containerFormatGuid, WICStream stream = null)
 {
     this.factory = factory;
     factory.CreateEncoder(containerFormatGuid, null, this);
     if (stream != null)
     {
         Initialize(stream);
     }
 }
Example #7
0
        public PngImageResource(WIC.ImagingFactory imagingFactory, string path)
        {
            using (var decoder = new WIC.PngBitmapDecoder(imagingFactory))
            {
                using (var inputStream = new WIC.WICStream(imagingFactory, path, NativeFileAccess.Read))
                    decoder.Initialize(inputStream, WIC.DecodeOptions.CacheOnLoad);

                FormatConverter = new WIC.FormatConverter(imagingFactory);
                FormatConverter.Initialize(decoder.GetFrame(0), WIC.PixelFormat.Format32bppPRGBA);
            }
        }
 protected override unsafe void Dispose(bool disposing)
 {
     base.Dispose(disposing);
     if (disposing)
     {
         if (this.internalWICStream != null)
         {
             internalWICStream.Dispose();
         }
         internalWICStream = null;
     }
 }
Example #9
0
 private static WIC.FormatConverter CreateWicImage(WIC.ImagingFactory2 wic, Stream imageStream)
 {
     using (var decoder = new WIC.PngBitmapDecoder(wic))
     {
         var decodeStream = new WIC.WICStream(wic, imageStream);
         decoder.Initialize(decodeStream, WIC.DecodeOptions.CacheOnLoad);
         using (var decodeFrame = decoder.GetFrame(0))
         {
             var converter = new WIC.FormatConverter(wic);
             converter.Initialize(decodeFrame, WIC.PixelFormat.Format32bppPBGRA);
             return(converter);
         }
     }
 }
Example #10
0
 public static WIC.FormatConverter CreateWicImage(WIC.ImagingFactory wic, string filename)
 {
     using (var decoder = new WIC.JpegBitmapDecoder(wic))
         using (var decodeStream = new WIC.WICStream(wic, filename, NativeFileAccess.Read))
         {
             decoder.Initialize(decodeStream, WIC.DecodeOptions.CacheOnDemand);
             using (var decodeFrame = decoder.GetFrame(0))
             {
                 var converter = new WIC.FormatConverter(wic);
                 converter.Initialize(decodeFrame, WIC.PixelFormat.Format32bppPBGRA);
                 return(converter);
             }
         }
 }
Example #11
0
        private static void Main()
        {
            var wicFactory = new ImagingFactory();
            var d2dFactory = new SharpDX.Direct2D1.Factory();

            string filename = "output.jpg";
            const int width = 512;
            const int height = 512;

            var rectangleGeometry = new RoundedRectangleGeometry(d2dFactory, new RoundedRectangle() { RadiusX = 32, RadiusY = 32, Rect = new RectangleF(128, 128, width - 128, height-128) });

            var wicBitmap = new Bitmap(wicFactory, width, height, SharpDX.WIC.PixelFormat.Format32bppBGR, BitmapCreateCacheOption.CacheOnLoad);

            var renderTargetProperties = new RenderTargetProperties(RenderTargetType.Default, new PixelFormat(Format.Unknown, AlphaMode.Unknown), 0, 0, RenderTargetUsage.None, FeatureLevel.Level_DEFAULT);

            var d2dRenderTarget = new WicRenderTarget(d2dFactory, wicBitmap, renderTargetProperties);

            var solidColorBrush = new SolidColorBrush(d2dRenderTarget, Color.White);

            d2dRenderTarget.BeginDraw();
            d2dRenderTarget.Clear(Color.Black);
            d2dRenderTarget.FillGeometry(rectangleGeometry, solidColorBrush, null);
            d2dRenderTarget.EndDraw();

            if (File.Exists(filename))
                File.Delete(filename);

            var stream = new WICStream(wicFactory, filename, NativeFileAccess.Write);
            // Initialize a Jpeg encoder with this stream
            var encoder = new JpegBitmapEncoder(wicFactory);
            encoder.Initialize(stream);

            // Create a Frame encoder
            var bitmapFrameEncode = new BitmapFrameEncode(encoder);
            bitmapFrameEncode.Initialize();
            bitmapFrameEncode.SetSize(width, height);
            var pixelFormatGuid = SharpDX.WIC.PixelFormat.FormatDontCare;
            bitmapFrameEncode.SetPixelFormat(ref pixelFormatGuid);
            bitmapFrameEncode.WriteSource(wicBitmap);

            bitmapFrameEncode.Commit();
            encoder.Commit();

            bitmapFrameEncode.Dispose();
            encoder.Dispose();
            stream.Dispose();

            System.Diagnostics.Process.Start(Path.GetFullPath(Path.Combine(Environment.CurrentDirectory,filename)));
        }
        public static void EncodeImage(this d2.Bitmap target, ImageFormat imageFormat, Stream outputStream)
        {
            var width  = target.PixelSize.Width;
            var height = target.PixelSize.Height;

            var wicBitmap = new wic.Bitmap(DXGraphicsService.FactoryImaging, width, height,
                                           wic.PixelFormat.Format32bppBGR, wic.BitmapCreateCacheOption.CacheOnLoad);
            var renderTargetProperties = new d2.RenderTargetProperties(d2.RenderTargetType.Default,
                                                                       new d2.PixelFormat(Format.Unknown,
                                                                                          d2.AlphaMode.Unknown), 0, 0,
                                                                       d2.RenderTargetUsage.None,
                                                                       d2.FeatureLevel.Level_DEFAULT);
            var d2DRenderTarget = new d2.WicRenderTarget(target.Factory, wicBitmap, renderTargetProperties);

            d2DRenderTarget.BeginDraw();
            d2DRenderTarget.Clear(global::SharpDX.Color.Transparent);
            d2DRenderTarget.DrawBitmap(target, 1, d2.BitmapInterpolationMode.Linear);
            d2DRenderTarget.EndDraw();

            var stream = new wic.WICStream(DXGraphicsService.FactoryImaging, outputStream);

            // Initialize a Jpeg encoder with this stream
            var encoder = new wic.BitmapEncoder(DXGraphicsService.FactoryImaging, GetImageFormat(imageFormat));

            encoder.Initialize(stream);

            // Create a Frame encoder
            var bitmapFrameEncode = new wic.BitmapFrameEncode(encoder);

            bitmapFrameEncode.Initialize();
            bitmapFrameEncode.SetSize(width, height);
            Guid pixelFormatGuid = wic.PixelFormat.FormatDontCare;

            bitmapFrameEncode.SetPixelFormat(ref pixelFormatGuid);
            bitmapFrameEncode.WriteSource(wicBitmap);

            bitmapFrameEncode.Commit();
            encoder.Commit();

            bitmapFrameEncode.Dispose();
            encoder.Dispose();
            stream.Dispose();

            d2DRenderTarget.Dispose();
            wicBitmap.Dispose();
        }
Example #13
0
        public override void WriteToStream(Stream stream)
        {
            if (_contextOpen)
            {
                _deviceContext.EndDraw();
                _contextOpen = false;
            }

            // use the appropriate overload to write either to stream or to a file
            using (var wicStream = new wic.WICStream(DXGraphicsService.FactoryImaging, stream))
            {
                // select the image encoding format HERE
                using (var vEncoder = new wic.PngBitmapEncoder(DXGraphicsService.FactoryImaging))
                {
                    WriteToEncoder(vEncoder, wicStream);
                }
            }
        }
Example #14
0
        private void WriteToEncoder(wic.BitmapEncoder encoder, wic.WICStream wicStream)
        {
            encoder.Initialize(wicStream);

            using (var bitmapFrameEncode = new wic.BitmapFrameEncode(encoder))
            {
                bitmapFrameEncode.Initialize();
                bitmapFrameEncode.SetSize(Width, Height);
                var format = wic.PixelFormat.FormatDontCare;
                bitmapFrameEncode.SetPixelFormat(ref format);

                // this is the trick to write D2D1 bitmap to WIC
                var imageEncoder = new wic.ImageEncoder(DXGraphicsService.FactoryImaging, _device2D);
                var parameters   = new wic.ImageParameters(_pixelFormat, Dpi, Dpi, 0, 0, Width, Height);
                imageEncoder.WriteFrame(_bitmap, bitmapFrameEncode, parameters);

                bitmapFrameEncode.Commit();
                encoder.Commit();
            }
        }
        private MemoryStream GetBitmapAsStream(WIC.Bitmap wicBitmap)
        {
            int width = wicBitmap.Size.Width;
            int height = wicBitmap.Size.Height;
            var ms = new MemoryStream();

            using (var stream = new WIC.WICStream(
                this.WicFactory,
                ms))
            {
                using (var encoder = new WIC.PngBitmapEncoder(WicFactory))
                {
                    encoder.Initialize(stream);

                    using (var frameEncoder = new WIC.BitmapFrameEncode(encoder))
                    {
                        frameEncoder.Initialize();

                        frameEncoder.SetSize(width, height);
                        var format = WIC.PixelFormat.Format32bppBGRA;
                        frameEncoder.SetPixelFormat(ref format);
                        frameEncoder.WriteSource(wicBitmap);
                        frameEncoder.Commit();
                    }

                    encoder.Commit();
                }
            }

            ms.Position = 0;
            return ms;
        }
Example #16
0
 /// <summary>
 /// Initializes a new instance of the <see cref="BitmapDecoder"/> class from a <see cref="IStream"/>.
 /// </summary>
 /// <param name="factory">The factory.</param>
 /// <param name="streamRef">The stream ref.</param>
 /// <param name="metadataOptions">The metadata options.</param>
 /// <unmanaged>HRESULT IWICImagingFactory::CreateDecoderFromStream([In, Optional] IStream* pIStream,[In, Optional] const GUID* pguidVendor,[In] WICDecodeOptions metadataOptions,[Out, Fast] IWICBitmapDecoder** ppIDecoder)</unmanaged>
 public BitmapDecoder(ImagingFactory factory, Stream streamRef, SharpDX.WIC.DecodeOptions metadataOptions)
 {
     internalWICStream = new WICStream(factory, streamRef);
     factory.CreateDecoderFromStream_(ComStream.ToIntPtr(internalWICStream), null, metadataOptions, this);
 }
Example #17
0
 protected override unsafe void Dispose(bool disposing)
 {
     base.Dispose(disposing);
     if (disposing)
     {
         if (this.internalWICStream != null)
             internalWICStream.Dispose();
         internalWICStream = null;
     }
 }
Example #18
0
 /// <summary>
 /// Initializes a new instance of the <see cref="JpegBitmapEncoder"/> class.
 /// </summary>
 /// <param name="factory">The factory.</param>
 /// <param name="stream">The output stream.</param>
 public JpegBitmapEncoder(ImagingFactory factory, WICStream stream = null)
     : base(factory, ContainerFormatGuids.Jpeg, stream)
 {
 }
Example #19
0
        //-------------------------------------------------------------------------------------
        // Load a WIC-supported file in memory
        //-------------------------------------------------------------------------------------
        public static Image LoadFromWICMemory(IntPtr pSource, int size, bool makeACopy, GCHandle? handle)
        {
            var flags = WICFlags.AllFrames;

            Image image = null;
            // Create input stream for memory
            using (var stream = new WICStream(Factory, new DataPointer(pSource, size)))
            {
                // If the decoder is unable to decode the image, than return null
                BitmapDecoder decoder = null;
                try
                {
                    decoder = new BitmapDecoder(Factory, stream, DecodeOptions.CacheOnDemand);
                    using (var frame = decoder.GetFrame(0))
                    {
                        // Get metadata
                        Guid convertGuid;
                        var tempDesc = DecodeMetadata(flags, decoder, frame, out convertGuid);

                        // If not supported.
                        if (!tempDesc.HasValue)
                            return null;

                        var mdata = tempDesc.Value;

                        if ((mdata.ArraySize > 1) && (flags & WICFlags.AllFrames) != 0)
                        {
                            return DecodeMultiframe(flags, mdata, decoder);
                        }

                        image = DecodeSingleFrame(flags, mdata, convertGuid, frame);
                    }
                }
                catch
                {
                    image = null;
                }
                finally
                {
                    if (decoder != null)
                        decoder.Dispose();
                }
            }

            // For WIC, we are not keeping the original buffer.
            if (image != null && !makeACopy) 
            {
                if (handle.HasValue)
                {
                    handle.Value.Free();
                }
                else
                {
                    Utilities.FreeMemory(pSource);
                }
            }
            return image;
        }
Example #20
0
        public MemoryStream RenderToPngStream(FrameworkElement fe)
        {
            var width  = (int)Math.Ceiling(fe.ActualWidth);
            var height = (int)Math.Ceiling(fe.ActualHeight);

            // pixel format with transparency/alpha channel and RGB values premultiplied by alpha
            var pixelFormat = WIC.PixelFormat.Format32bppPRGBA;

            // pixel format without transparency, but one that works with Cleartype antialiasing
            //var pixelFormat = WicPixelFormat.Format32bppBGR;

            var wicBitmap = new WIC.Bitmap(
                this.WicFactory,
                width,
                height,
                pixelFormat,
                WIC.BitmapCreateCacheOption.CacheOnLoad);

            var renderTargetProperties = new D2D.RenderTargetProperties(
                D2D.RenderTargetType.Default,
                new D2D.PixelFormat(Format.R8G8B8A8_UNorm, D2D.AlphaMode.Premultiplied),
                //new D2DPixelFormat(Format.Unknown, AlphaMode.Unknown), // use this for non-alpha, cleartype antialiased text
                0,
                0,
                D2D.RenderTargetUsage.None,
                D2D.FeatureLevel.Level_DEFAULT);
            var renderTarget = new D2D.WicRenderTarget(
                this.D2DFactory,
                wicBitmap,
                renderTargetProperties)
            {
                //TextAntialiasMode = TextAntialiasMode.Cleartype // this only works with the pixel format with no alpha channel
                TextAntialiasMode = D2D.TextAntialiasMode.Grayscale // this is the best we can do for bitmaps with alpha channels
            };

            Compose(renderTarget, fe);
            // TODO: There is no need to encode the bitmap to PNG - we could just copy the texture pixel buffer to a WriteableBitmap pixel buffer.
            var ms = new MemoryStream();

            var stream = new WIC.WICStream(
                this.WicFactory,
                ms);

            var encoder = new WIC.PngBitmapEncoder(WicFactory);

            encoder.Initialize(stream);

            var frameEncoder = new WIC.BitmapFrameEncode(encoder);

            frameEncoder.Initialize();
            frameEncoder.SetSize(width, height);
            var format = WIC.PixelFormat.Format32bppBGRA;

            //var format = WicPixelFormat.FormatDontCare;
            frameEncoder.SetPixelFormat(ref format);
            frameEncoder.WriteSource(wicBitmap);
            frameEncoder.Commit();

            encoder.Commit();

            frameEncoder.Dispose();
            encoder.Dispose();
            stream.Dispose();

            ms.Position = 0;
            return(ms);
        }
Example #21
0
        static void Main()
        {
            // input and output files are supposed to be in the program folder
            var inputPath  = "Input.png";
            var outputPath = "Output.png";

            // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            // INITIALIZATION ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

            // initialize the D3D device which will allow to render to image any graphics - 3D or 2D
            var defaultDevice = new SharpDX.Direct3D11.Device(SharpDX.Direct3D.DriverType.Hardware,
                                                              d3d.DeviceCreationFlags.VideoSupport
                                                              | d3d.DeviceCreationFlags.BgraSupport
                                                              | d3d.DeviceCreationFlags.Debug); // take out the Debug flag for better performance

            var d3dDevice  = defaultDevice.QueryInterface <d3d.Device1>();                      // get a reference to the Direct3D 11.1 device
            var dxgiDevice = d3dDevice.QueryInterface <dxgi.Device>();                          // get a reference to DXGI device

            var d2dDevice = new d2.Device(dxgiDevice);                                          // initialize the D2D device

            var imagingFactory = new wic.ImagingFactory2();                                     // initialize the WIC factory

            // initialize the DeviceContext - it will be the D2D render target and will allow all rendering operations
            var d2dContext = new d2.DeviceContext(d2dDevice, d2.DeviceContextOptions.None);

            var dwFactory = new dw.Factory();

            // specify a pixel format that is supported by both D2D and WIC
            var d2PixelFormat = new d2.PixelFormat(dxgi.Format.R8G8B8A8_UNorm, d2.AlphaMode.Premultiplied);
            // if in D2D was specified an R-G-B-A format - use the same for wic
            var wicPixelFormat = wic.PixelFormat.Format32bppPRGBA;

            // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            // IMAGE LOADING ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

            var decoder     = new wic.PngBitmapDecoder(imagingFactory);                            // we will load a PNG image
            var inputStream = new wic.WICStream(imagingFactory, inputPath, NativeFileAccess.Read); // open the image file for reading

            decoder.Initialize(inputStream, wic.DecodeOptions.CacheOnLoad);

            // decode the loaded image to a format that can be consumed by D2D
            var formatConverter = new wic.FormatConverter(imagingFactory);

            formatConverter.Initialize(decoder.GetFrame(0), wicPixelFormat);

            // load the base image into a D2D Bitmap
            //var inputBitmap = d2.Bitmap1.FromWicBitmap(d2dContext, formatConverter, new d2.BitmapProperties1(d2PixelFormat));

            // store the image size - output will be of the same size
            var inputImageSize = formatConverter.Size;
            var pixelWidth     = inputImageSize.Width;
            var pixelHeight    = inputImageSize.Height;

            // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            // EFFECT SETUP ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

            // Effect 1 : BitmapSource - take decoded image data and get a BitmapSource from it
            var bitmapSourceEffect = new d2.Effects.BitmapSource(d2dContext);

            bitmapSourceEffect.WicBitmapSource = formatConverter;

            // Effect 2 : GaussianBlur - give the bitmapsource a gaussian blurred effect
            var gaussianBlurEffect = new d2.Effects.GaussianBlur(d2dContext);

            gaussianBlurEffect.SetInput(0, bitmapSourceEffect.Output, true);
            gaussianBlurEffect.StandardDeviation = 5f;

            // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            // OVERLAY TEXT SETUP ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

            var textFormat = new dw.TextFormat(dwFactory, "Arial", 15f); // create the text format of specified font configuration

            // draw a long text to show the automatic line wrapping
            var textToDraw = "Some long text to show the drawing of preformatted "
                             + "glyphs using DirectWrite on the Direct2D surface."
                             + " Notice the automatic wrapping of line if it exceeds desired width.";

            // create the text layout - this improves the drawing performance for static text
            // as the glyph positions are precalculated
            var textLayout = new dw.TextLayout(dwFactory, textToDraw, textFormat, 300f, 1000f);

            var textBrush = new d2.SolidColorBrush(d2dContext, Color.LightGreen);

            // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            // RENDER TARGET SETUP ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

            // create the d2d bitmap description using default flags (from SharpDX samples) and 96 DPI
            var d2dBitmapProps = new d2.BitmapProperties1(d2PixelFormat, 96, 96, d2.BitmapOptions.Target | d2.BitmapOptions.CannotDraw);

            // the render target
            var d2dRenderTarget = new d2.Bitmap1(d2dContext, new Size2(pixelWidth, pixelHeight), d2dBitmapProps);

            d2dContext.Target = d2dRenderTarget; // associate bitmap with the d2d context

            // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            // DRAWING ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

            // slow preparations - fast drawing:
            d2dContext.BeginDraw();
            d2dContext.DrawImage(gaussianBlurEffect);
            d2dContext.DrawTextLayout(new Vector2(5f, 5f), textLayout, textBrush);
            d2dContext.EndDraw();

            // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            // IMAGE SAVING ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

            // delete the output file if it already exists
            if (System.IO.File.Exists(outputPath))
            {
                System.IO.File.Delete(outputPath);
            }

            // use the appropiate overload to write either to stream or to a file
            var stream = new wic.WICStream(imagingFactory, outputPath, NativeFileAccess.Write);

            // select the image encoding format HERE
            var encoder = new wic.PngBitmapEncoder(imagingFactory);

            encoder.Initialize(stream);

            var bitmapFrameEncode = new wic.BitmapFrameEncode(encoder);

            bitmapFrameEncode.Initialize();
            bitmapFrameEncode.SetSize(pixelWidth, pixelHeight);
            bitmapFrameEncode.SetPixelFormat(ref wicPixelFormat);

            // this is the trick to write D2D1 bitmap to WIC
            var imageEncoder = new wic.ImageEncoder(imagingFactory, d2dDevice);

            imageEncoder.WriteFrame(d2dRenderTarget, bitmapFrameEncode, new wic.ImageParameters(d2PixelFormat, 96, 96, 0, 0, pixelWidth, pixelHeight));

            bitmapFrameEncode.Commit();
            encoder.Commit();

            // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            // CLEANUP ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

            // dispose everything and free used resources

            bitmapFrameEncode.Dispose();
            encoder.Dispose();
            stream.Dispose();
            textBrush.Dispose();
            textLayout.Dispose();
            textFormat.Dispose();
            formatConverter.Dispose();
            gaussianBlurEffect.Dispose();
            bitmapSourceEffect.Dispose();
            d2dRenderTarget.Dispose();
            inputStream.Dispose();
            decoder.Dispose();
            d2dContext.Dispose();
            dwFactory.Dispose();
            imagingFactory.Dispose();
            d2dDevice.Dispose();
            dxgiDevice.Dispose();
            d3dDevice.Dispose();
            defaultDevice.Dispose();

            // show the result
            System.Diagnostics.Process.Start(outputPath);
        }
Example #22
0
 /// <summary>
 /// Initializes a new instance of the <see cref="GifBitmapEncoder"/> class.
 /// </summary>
 /// <param name="factory">The factory.</param>
 /// <param name="guidVendorRef">The GUID vendor ref.</param>
 /// <param name="stream">The output stream.</param>
 public GifBitmapEncoder(ImagingFactory factory, Guid guidVendorRef, WICStream stream = null)
     : base(factory, ContainerFormatGuids.Gif, guidVendorRef, stream)
 {
 }
        // Used for debugging purposes
        private void SaveToFile(string fileName, SharpDX.WIC.Bitmap _bitmap, RenderTarget _renderTarget)
        {

            using (var pStream = new WICStream(FactoryImaging, fileName, SharpDX.IO.NativeFileAccess.Write))
            {

                //var format = SharpDX.WIC.PixelFormat.Format32bppPRGBA;
                var format = SharpDX.WIC.PixelFormat.FormatDontCare;
                //// Use InitializeFromFilename to write to a file. If there is need to write inside the memory, use InitializeFromMemory. 
                var encodingFormat = BitmapEncoderGuids.Png;
                var encoder = new PngBitmapEncoder(FactoryImaging, pStream);

                // Create a Frame encoder
                var pFrameEncode = new BitmapFrameEncode(encoder);
                pFrameEncode.Initialize();

                pFrameEncode.SetSize((int)_renderTarget.Size.Width, (int)_renderTarget.Size.Height);

                pFrameEncode.SetPixelFormat(ref format);

                pFrameEncode.WriteSource(_bitmap);

                pFrameEncode.Commit();

                encoder.Commit();

            }
        }
Example #24
0
        public static MemoryStream Resize(System.IO.Stream source, int maxwidth, int maxheight, Action beforeDrawImage, Action afterDrawImage)
        {
            // initialize the D3D device which will allow to render to image any graphics - 3D or 2D
            var defaultDevice = new SharpDX.Direct3D11.Device(SharpDX.Direct3D.DriverType.Warp,
                                                              d3d.DeviceCreationFlags.BgraSupport | d3d.DeviceCreationFlags.SingleThreaded | d3d.DeviceCreationFlags.PreventThreadingOptimizations);

            var d3dDevice = defaultDevice.QueryInterface<d3d.Device1>(); // get a reference to the Direct3D 11.1 device
            var dxgiDevice = d3dDevice.QueryInterface<dxgi.Device>(); // get a reference to DXGI device

            var d2dDevice = new d2.Device(dxgiDevice); // initialize the D2D device

            var imagingFactory = new wic.ImagingFactory2(); // initialize the WIC factory

            // initialize the DeviceContext - it will be the D2D render target and will allow all rendering operations
            var d2dContext = new d2.DeviceContext(d2dDevice, d2.DeviceContextOptions.None);

            var dwFactory = new dw.Factory();

            // specify a pixel format that is supported by both D2D and WIC
            var d2PixelFormat = new d2.PixelFormat(dxgi.Format.R8G8B8A8_UNorm, d2.AlphaMode.Premultiplied);
            // if in D2D was specified an R-G-B-A format - use the same for wic
            var wicPixelFormat = wic.PixelFormat.Format32bppPRGBA;

            // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            // IMAGE LOADING ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            var decoder = new wic.BitmapDecoder(imagingFactory,source, wic.DecodeOptions.CacheOnLoad);

            // decode the loaded image to a format that can be consumed by D2D
            var formatConverter = new wic.FormatConverter(imagingFactory);
            formatConverter.Initialize(decoder.GetFrame(0), wicPixelFormat);

            // store the image size - output will be of the same size
            var inputImageSize = formatConverter.Size;

            // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            // RENDER TARGET SETUP ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

            // create the d2d bitmap description using default flags (from SharpDX samples) and 96 DPI
            var d2dBitmapProps = new d2.BitmapProperties1(d2PixelFormat, 96, 96, d2.BitmapOptions.Target | d2.BitmapOptions.CannotDraw);

            //Calculate size
            var resultSize = MathUtil.ScaleWithin(inputImageSize.Width,inputImageSize.Height,maxwidth,maxheight);
            var newWidth = resultSize.Item1;
            var newHeight = resultSize.Item2;

            // the render target
            var d2dRenderTarget = new d2.Bitmap1(d2dContext, new Size2(newWidth, newHeight), d2dBitmapProps);
            d2dContext.Target = d2dRenderTarget; // associate bitmap with the d2d context

            var bitmapSourceEffect = new d2.Effects.BitmapSourceEffect(d2dContext);
            bitmapSourceEffect.WicBitmapSource = formatConverter;

            // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            // DRAWING ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            beforeDrawImage();
            // slow preparations - fast drawing:
            d2dContext.BeginDraw();
            d2dContext.Transform = Matrix3x2.Scaling(new Vector2((float)(newWidth / (float)inputImageSize.Width), (float)(newHeight / (float)inputImageSize.Height)));
            d2dContext.DrawImage(bitmapSourceEffect, d2.InterpolationMode.HighQualityCubic);
            d2dContext.EndDraw();
            afterDrawImage();

            // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            // IMAGE SAVING ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

            var ms = new MemoryStream();

            // use the appropiate overload to write either to stream or to a file
            var stream = new wic.WICStream(imagingFactory,ms);

            // select the image encoding format HERE
            var encoder = new wic.JpegBitmapEncoder(imagingFactory);
            encoder.Initialize(stream);

            var bitmapFrameEncode = new wic.BitmapFrameEncode(encoder);
            bitmapFrameEncode.Initialize();
            bitmapFrameEncode.SetSize(newWidth, newHeight);
            bitmapFrameEncode.SetPixelFormat(ref wicPixelFormat);

            // this is the trick to write D2D1 bitmap to WIC
            var imageEncoder = new wic.ImageEncoder(imagingFactory, d2dDevice);
            imageEncoder.WriteFrame(d2dRenderTarget, bitmapFrameEncode, new wic.ImageParameters(d2PixelFormat, 96, 96,  0, 0, newWidth, newHeight));

            bitmapFrameEncode.Commit();
            encoder.Commit();

            // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            // CLEANUP ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

            // dispose everything and free used resources

            bitmapFrameEncode.Dispose();
            encoder.Dispose();
            stream.Dispose();
            formatConverter.Dispose();
            bitmapSourceEffect.Dispose();
            d2dRenderTarget.Dispose();
            decoder.Dispose();
            d2dContext.Dispose();
            dwFactory.Dispose();
            imagingFactory.Dispose();
            d2dDevice.Dispose();
            dxgiDevice.Dispose();
            d3dDevice.Dispose();
            defaultDevice.Dispose();
            return ms;
        }
Example #25
0
 /// <summary>
 /// Initializes the encoder with the provided stream.
 /// </summary>
 /// <param name="stream">The stream to use for initialization.</param>
 /// <returns>If the method succeeds, it returns <see cref="Result.Ok"/>. Otherwise, it throws an exception.</returns>
 /// <unmanaged>HRESULT IWICBitmapEncoder::Initialize([In, Optional] IStream* pIStream,[In] WICBitmapEncoderCacheOption cacheOption)</unmanaged>	
 public void Initialize(System.IO.Stream stream)
 {
     if (this.internalWICStream != null)
         throw new InvalidOperationException("This instance is already intialized with an existing stream");
     this.internalWICStream = new WICStream(factory, stream);
     Initialize_(this.internalWICStream.NativePointer, SharpDX.WIC.BitmapEncoderCacheOption.NoCache);
 }
Example #26
0
 /// <summary>
 /// Initializes a new instance of the <see cref="BitmapDecoder"/> class from a <see cref="IStream"/>.
 /// </summary>
 /// <param name="factory">The factory.</param>
 /// <param name="streamRef">The stream ref.</param>
 /// <param name="guidVendorRef">The GUID vendor ref.</param>
 /// <param name="metadataOptions">The metadata options.</param>
 /// <unmanaged>HRESULT IWICImagingFactory::CreateDecoderFromStream([In, Optional] IStream* pIStream,[In, Optional] const GUID* pguidVendor,[In] WICDecodeOptions metadataOptions,[Out, Fast] IWICBitmapDecoder** ppIDecoder)</unmanaged>
 public BitmapDecoder(ImagingFactory factory, Stream streamRef, System.Guid guidVendorRef, SharpDX.WIC.DecodeOptions metadataOptions)
 {
     internalWICStream = new WICStream(factory, streamRef);
     factory.CreateDecoderFromStream(internalWICStream, guidVendorRef, metadataOptions, this);
 }
Example #27
0
 /// <summary>
 /// Initializes a new instance of the <see cref="GifBitmapEncoder"/> class.
 /// </summary>
 /// <param name="factory">The factory.</param>
 /// <param name="stream">The output stream.</param>
 public GifBitmapEncoder(ImagingFactory factory, WICStream stream = null)
     : base(factory, ContainerFormatGuids.Gif, stream)
 {
 }
		/// <summary>
		/// 将 Direct2D 位图保存到文件中。
		/// </summary>
		/// <param name="image">要保存的位图。</param>
		/// <param name="fileName">要保存的文件名。</param>
		public void SaveBitmapToFile(Bitmap image, string fileName)
		{
			using (ImagingFactory2 factory = new ImagingFactory2())
			{
				using (WICStream stream = new WICStream(factory, fileName, NativeFileAccess.Write))
				{
					using (BitmapEncoder encoder = new PngBitmapEncoder(factory))
					{
						encoder.Initialize(stream);
						using (BitmapFrameEncode bitmapFrameEncode = new BitmapFrameEncode(encoder))
						{
							bitmapFrameEncode.Initialize();
							int width = image.PixelSize.Width;
							int height = image.PixelSize.Height;
							bitmapFrameEncode.SetSize(width, height);
							Guid wicPixelFormat = WICPixelFormat;
							bitmapFrameEncode.SetPixelFormat(ref wicPixelFormat);
							using (ImageEncoder imageEncoder = new ImageEncoder(factory, this.d2DDevice))
							{
								imageEncoder.WriteFrame(image, bitmapFrameEncode,
									new ImageParameters(D2PixelFormat, 96, 96, 0, 0, width, height));
								bitmapFrameEncode.Commit();
								encoder.Commit();
							}
						}
					}
				}
			}
		}
Example #29
0
        void colorFrameReader_FrameArrived(object sender, ColorFrameArrivedEventArgs e)
        {
            var colorFrame = e.FrameReference.AcquireFrame();
            if (colorFrame != null)
            {
                using (colorFrame)
                {
                    lastColorGain = colorFrame.ColorCameraSettings.Gain;
                    lastColorExposureTimeTicks = colorFrame.ColorCameraSettings.ExposureTime.Ticks;

                    if (yuvFrameReady.Count > 0)
                    {
                        lock (yuvByteBuffer)
                            colorFrame.CopyRawFrameDataToArray(yuvByteBuffer);
                        lock (yuvFrameReady)
                            foreach (var autoResetEvent in yuvFrameReady)
                                autoResetEvent.Set();
                    }

                    if ((rgbFrameReady.Count > 0) || (jpegFrameReady.Count > 0))
                    {
                        lock (rgbByteBuffer)
                            colorFrame.CopyConvertedFrameDataToArray(rgbByteBuffer, ColorImageFormat.Bgra);
                        lock (rgbFrameReady)
                            foreach (var autoResetEvent in rgbFrameReady)
                                autoResetEvent.Set();
                    }

                    if (jpegFrameReady.Count > 0)
                    {
                        // should be put in a separate thread?

                        stopWatch.Restart();

                        var bitmapSource = new Bitmap(imagingFactory, Kinect2Calibration.colorImageWidth, Kinect2Calibration.colorImageHeight, SharpDX.WIC.PixelFormat.Format32bppBGR, BitmapCreateCacheOption.CacheOnLoad);
                        var bitmapLock = bitmapSource.Lock(BitmapLockFlags.Write);
                        Marshal.Copy(rgbByteBuffer, 0, bitmapLock.Data.DataPointer, Kinect2Calibration.colorImageWidth * Kinect2Calibration.colorImageHeight * 4);
                        bitmapLock.Dispose();

                        var memoryStream = new MemoryStream();

                        //var fileStream = new FileStream("test" + frame++ + ".jpg", FileMode.Create);
                        //var stream = new WICStream(imagingFactory, "test" + frame++ + ".jpg", SharpDX.IO.NativeFileAccess.Write);

                        var stream = new WICStream(imagingFactory, memoryStream);

                        var jpegBitmapEncoder = new JpegBitmapEncoder(imagingFactory);
                        jpegBitmapEncoder.Initialize(stream);

                        var bitmapFrameEncode = new BitmapFrameEncode(jpegBitmapEncoder);
                        bitmapFrameEncode.Options.ImageQuality = 0.5f;
                        bitmapFrameEncode.Initialize();
                        bitmapFrameEncode.SetSize(Kinect2Calibration.colorImageWidth, Kinect2Calibration.colorImageHeight);
                        var pixelFormatGuid = PixelFormat.FormatDontCare;
                        bitmapFrameEncode.SetPixelFormat(ref pixelFormatGuid);
                        bitmapFrameEncode.WriteSource(bitmapSource);

                        bitmapFrameEncode.Commit();
                        jpegBitmapEncoder.Commit();

                        //fileStream.Close();
                        //fileStream.Dispose();

                        //Console.WriteLine(stopWatch.ElapsedMilliseconds + "ms " + memoryStream.Length + " bytes");

                        lock (jpegByteBuffer)
                        {
                            nJpegBytes = (int)memoryStream.Length;
                            memoryStream.Seek(0, SeekOrigin.Begin);
                            memoryStream.Read(jpegByteBuffer, 0, nJpegBytes);
                        }
                        lock (jpegFrameReady)
                            foreach (var autoResetEvent in jpegFrameReady)
                                autoResetEvent.Set();

                        //var file = new FileStream("test" + frame++ + ".jpg", FileMode.Create);
                        //file.Write(jpegByteBuffer, 0, nJpegBytes);
                        //file.Close();

                        bitmapSource.Dispose();
                        memoryStream.Close();
                        memoryStream.Dispose();
                        stream.Dispose();
                        jpegBitmapEncoder.Dispose();
                        bitmapFrameEncode.Dispose();
                    }
                }
            }
        }
Example #30
0
        private static void Save(IResource res, Stream stream, ImageFileFormat fmt)
        {
            var texture = res.Resource as Texture2D;
            var textureCopy = new Texture2D(MyRender11.Device, new Texture2DDescription
            {
                Width = (int)texture.Description.Width,
                Height = (int)texture.Description.Height,
                MipLevels = 1,
                ArraySize = 1,
                Format = texture.Description.Format,
                Usage = ResourceUsage.Staging,
                SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0),
                BindFlags = BindFlags.None,
                CpuAccessFlags = CpuAccessFlags.Read,
                OptionFlags = ResourceOptionFlags.None
            });
            RC.CopyResource(res, textureCopy);

            DataStream dataStream;
            var dataBox = RC.MapSubresource(
                textureCopy,
                0,
                0,
                MapMode.Read,
                MapFlags.None,
                out dataStream);

            var dataRectangle = new DataRectangle
            {
                DataPointer = dataStream.DataPointer,
                Pitch = dataBox.RowPitch
            };

            var bitmap = new Bitmap(
                MyRender11.WIC,
                textureCopy.Description.Width,
                textureCopy.Description.Height,
                PixelFormatFromFormat(textureCopy.Description.Format), // TODO: should use some conversion from textureCopy.Description.Format
                dataRectangle);

            using (var wicStream = new WICStream(MyRender11.WIC, stream))
            {
                BitmapEncoder bitmapEncoder;
                switch (fmt)
                {
                    case ImageFileFormat.Png:
                        bitmapEncoder = new PngBitmapEncoder(MyRender11.WIC, wicStream);
                        break;
                    case ImageFileFormat.Jpg:
                        bitmapEncoder = new JpegBitmapEncoder(MyRender11.WIC, wicStream);
                        break;
                    case ImageFileFormat.Bmp:
                        bitmapEncoder = new BmpBitmapEncoder(MyRender11.WIC, wicStream);
                        break;
                    default:
                        MyRenderProxy.Assert(false, "Unsupported file format.");
                        bitmapEncoder = null;
                        break;
                }
                if (bitmapEncoder != null)
                {
                    using (var bitmapFrameEncode = new BitmapFrameEncode(bitmapEncoder))
                    {
                        bitmapFrameEncode.Initialize();
                        bitmapFrameEncode.SetSize(bitmap.Size.Width, bitmap.Size.Height);
                        var pixelFormat = PixelFormat.FormatDontCare;
                        bitmapFrameEncode.SetPixelFormat(ref pixelFormat);
                        bitmapFrameEncode.WriteSource(bitmap);
                        bitmapFrameEncode.Commit();
                        bitmapEncoder.Commit();
                    }
                    bitmapEncoder.Dispose();
                }
            }

            RC.UnmapSubresource(textureCopy, 0);
            textureCopy.Dispose();
            bitmap.Dispose();
        }
        public MemoryStream RenderToPngStream(FrameworkElement fe)
        {
            var width = (int)Math.Ceiling(fe.ActualWidth);
            var height = (int)Math.Ceiling(fe.ActualHeight);

            // pixel format with transparency/alpha channel and RGB values premultiplied by alpha
            var pixelFormat = WIC.PixelFormat.Format32bppPRGBA;

            // pixel format without transparency, but one that works with Cleartype antialiasing
            //var pixelFormat = WicPixelFormat.Format32bppBGR;

            var wicBitmap = new WIC.Bitmap(
                this.WicFactory,
                width,
                height,
                pixelFormat,
                WIC.BitmapCreateCacheOption.CacheOnLoad);

            var renderTargetProperties = new D2D.RenderTargetProperties(
                D2D.RenderTargetType.Default,
                new D2D.PixelFormat(Format.R8G8B8A8_UNorm, D2D.AlphaMode.Premultiplied),
                //new D2DPixelFormat(Format.Unknown, AlphaMode.Unknown), // use this for non-alpha, cleartype antialiased text
                0,
                0,
                D2D.RenderTargetUsage.None,
                D2D.FeatureLevel.Level_DEFAULT);
            var renderTarget = new D2D.WicRenderTarget(
                this.D2DFactory,
                wicBitmap,
                renderTargetProperties)
            {
                //TextAntialiasMode = TextAntialiasMode.Cleartype // this only works with the pixel format with no alpha channel
                TextAntialiasMode = D2D.TextAntialiasMode.Grayscale // this is the best we can do for bitmaps with alpha channels
            };

            Compose(renderTarget, fe);
            // TODO: There is no need to encode the bitmap to PNG - we could just copy the texture pixel buffer to a WriteableBitmap pixel buffer.
            var ms = new MemoryStream();

            var stream = new WIC.WICStream(
                this.WicFactory,
                ms);

            var encoder = new WIC.PngBitmapEncoder(WicFactory);
            encoder.Initialize(stream);

            var frameEncoder = new WIC.BitmapFrameEncode(encoder);
            frameEncoder.Initialize();
            frameEncoder.SetSize(width, height);
            var format = WIC.PixelFormat.Format32bppBGRA;
            //var format = WicPixelFormat.FormatDontCare;
            frameEncoder.SetPixelFormat(ref format);
            frameEncoder.WriteSource(wicBitmap);
            frameEncoder.Commit();

            encoder.Commit();

            frameEncoder.Dispose();
            encoder.Dispose();
            stream.Dispose();

            ms.Position = 0;
            return ms;
        }
        // 
        // http://stackoverflow.com/questions/9151615/how-does-one-use-a-memory-stream-instead-of-files-when-rendering-direct2d-images
        // 
        // Identical to above SO question, except that we are rendering to MemoryStream because it was added to the API
        //
        private MemoryStream RenderStaticTextToBitmap()
        {
            var width = 400;
            var height = 100;
            var pixelFormat = WicPixelFormat.Format32bppBGR;

            var wicFactory = new ImagingFactory();
            var dddFactory = new SharpDX.Direct2D1.Factory();
            var dwFactory = new SharpDX.DirectWrite.Factory();

            var wicBitmap = new Bitmap(
                wicFactory,
                width,
                height,
                pixelFormat,
                BitmapCreateCacheOption.CacheOnLoad);

            var renderTargetProperties = new RenderTargetProperties(
                RenderTargetType.Default,
                new D2DPixelFormat(Format.Unknown, AlphaMode.Unknown),
                0,
                0,
                RenderTargetUsage.None,
                FeatureLevel.Level_DEFAULT);
            var renderTarget = new WicRenderTarget(
                dddFactory,
                wicBitmap,
                renderTargetProperties)
            {
                TextAntialiasMode = TextAntialiasMode.Cleartype
            };

            renderTarget.BeginDraw();

            var textFormat = new TextFormat(dwFactory, "Consolas", 48)
            {
                TextAlignment = SharpDX.DirectWrite.TextAlignment.Center,
                ParagraphAlignment = ParagraphAlignment.Center
            };
            var textBrush = new SharpDX.Direct2D1.SolidColorBrush(
                renderTarget,
                SharpDX.Colors.Blue);

            renderTarget.Clear(Colors.White);
            renderTarget.DrawText(
                "Hi, mom!",
                textFormat,
                new RectangleF(0, 0, width, height),
                textBrush);

            renderTarget.EndDraw();

            var ms = new MemoryStream();

            var stream = new WICStream(
                wicFactory,
                ms);

            var encoder = new PngBitmapEncoder(wicFactory);
            encoder.Initialize(stream);

            var frameEncoder = new BitmapFrameEncode(encoder);
            frameEncoder.Initialize();
            frameEncoder.SetSize(width, height);
            frameEncoder.PixelFormat = WicPixelFormat.FormatDontCare;
            frameEncoder.WriteSource(wicBitmap);
            frameEncoder.Commit();

            encoder.Commit();

            frameEncoder.Dispose();
            encoder.Dispose();
            stream.Dispose();

            ms.Position = 0;
            return ms;
        }
    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;
      }
    }
Example #34
0
 /// <summary>
 /// Initializes a new instance of the <see cref="PngBitmapEncoder"/> class.
 /// </summary>
 /// <param name="factory">The factory.</param>
 /// <param name="guidVendorRef">The GUID vendor ref.</param>
 /// <param name="stream">The output stream.</param>
 public PngBitmapEncoder(ImagingFactory factory, Guid guidVendorRef, WICStream stream = null)
     : base(factory, ContainerFormatGuids.Png, guidVendorRef, stream)
 {
 }
Example #35
0
        static void over()
        {
            var inputPath  = "Input.png";
            var outputPath = "output.png";

            // 그래픽을 랜더링할 장비를 추가 - 3D or 2D
            var defaultDevice = new SharpDX.Direct3D11.Device(SharpDX.Direct3D.DriverType.Hardware,
                                                              d3d.DeviceCreationFlags.VideoSupport
                                                              | d3d.DeviceCreationFlags.BgraSupport
                                                              | d3d.DeviceCreationFlags.None);
            var d3dDevice  = defaultDevice.QueryInterface <d3d.Device1>(); //get a refer to the D3D 11.1 device
            var dxgiDevice = d3dDevice.QueryInterface <dxgi.Device1>();    //get a refer to the DXGI device
            var d2dDevice  = new d2.Device(dxgiDevice);

            // DeviceContext를 초기화. D2D 렌더링 타겟이 될 것이고 모든 렌더링 작업을 허용
            var d2dContext = new d2.DeviceContext(d2dDevice, d2.DeviceContextOptions.None);
            var dwFactory  = new dw.Factory();


            //D2D, WIC 둘 다 지원되는 픽셀 형식 지정
            var d2PixelFormat = new d2.PixelFormat(dxgi.Format.R8G8B8A8_UNorm, d2.AlphaMode.Premultiplied);
            //RGBA형식 사용
            var wicPixelFormat = wic.PixelFormat.Format32bppPRGBA;



            //이미지 로딩
            var imagingFactory = new wic.ImagingFactory2();
            var decoder        = new wic.PngBitmapDecoder(imagingFactory);
            var inputStream    = new wic.WICStream(imagingFactory, inputPath, NativeFileAccess.Read);

            decoder.Initialize(inputStream, wic.DecodeOptions.CacheOnLoad);



            //다이렉트2D가 사용할수 있도록 디코딩
            var formatConverter = new wic.FormatConverter(imagingFactory);

            formatConverter.Initialize(decoder.GetFrame(0), wicPixelFormat);


            //기본 이미지를 D2D이미지로 로드
            //var inputBitmap = d2.Bitmap1.FromWicBitmap(d2dContext, formatConverter, new d2.BitmapProperties1(d2PixelFormat));

            //이미지 크기 저장
            var inputImageSize = formatConverter.Size;
            var pixelWidth     = inputImageSize.Width;
            var pixelHeight    = inputImageSize.Height;


            //Effect1 : BitpmapSource - 디코딩된 이미지 데이터를 가져오고 BitmapSource 가져오기
            var bitmapSourceEffect = new d2.Effects.BitmapSource(d2dContext);

            bitmapSourceEffect.WicBitmapSource = formatConverter;



            // Effect 2 : GaussianBlur - bitmapsource에 가우시안블러 효과 적용
            var gaussianBlurEffect = new d2.Effects.GaussianBlur(d2dContext);

            gaussianBlurEffect.SetInput(0, bitmapSourceEffect.Output, true);
            gaussianBlurEffect.StandardDeviation = 5f;



            //overlay text setup
            var textFormat = new dw.TextFormat(dwFactory, "Arial", 15f);

            //draw a long text to show the automatic line wrapping
            var textToDraw = "sime ling text..." + "text" + "dddd";

            //create the text layout - this imroves the drawing performance for static text
            // as the glyph positions are precalculated
            //윤곽선 글꼴 데이터에서 글자 하나의 모양에 대한 기본 단위를 글리프(glyph)라고 한다
            var textLayout = new dw.TextLayout(dwFactory, textToDraw, textFormat, 300f, 1000f);

            SharpDX.Mathematics.Interop.RawColor4 color = new SharpDX.Mathematics.Interop.RawColor4(255, 255, 255, 1);
            var textBrush = new d2.SolidColorBrush(d2dContext, color);



            //여기서부터 다시

            //render target setup

            //create the d2d bitmap description using default flags and 96 DPI
            var d2dBitmapProps = new d2.BitmapProperties1(d2PixelFormat, 96, 96, d2.BitmapOptions.Target | d2.BitmapOptions.CannotDraw);

            //the render target
            var d2dRenderTarget = new d2.Bitmap1(d2dContext, new Size2(pixelWidth, pixelHeight), d2dBitmapProps);

            d2dContext.Target = d2dRenderTarget; //associate bitmap with the d2d context



            //Drawing

            //slow preparations - fast drawing
            d2dContext.BeginDraw();
            d2dContext.DrawImage(gaussianBlurEffect, new SharpDX.Mathematics.Interop.RawVector2(100f, 100f));
            d2dContext.DrawTextLayout(new SharpDX.Mathematics.Interop.RawVector2(50f, 50f), textLayout, textBrush);
            d2dContext.EndDraw();

            //Image save

            //delete the output file if it already exists
            if (System.IO.File.Exists(outputPath))
            {
                System.IO.File.Delete(outputPath);
            }

            //use the appropiate overload to write either to tream or to a file
            var stream = new wic.WICStream(imagingFactory, outputPath, NativeFileAccess.Write);

            //select the image encoding format HERE
            var encoder = new wic.PngBitmapEncoder(imagingFactory);

            encoder.Initialize(stream);

            var bitmapFrameEncode = new wic.BitmapFrameEncode(encoder);

            bitmapFrameEncode.Initialize();
            bitmapFrameEncode.SetSize(pixelWidth, pixelHeight);
            bitmapFrameEncode.SetPixelFormat(ref wicPixelFormat);

            //this is the trick to write d2d1 bitmap to WIC
            var imageEncoder = new wic.ImageEncoder(imagingFactory, d2dDevice);

            imageEncoder.WriteFrame(d2dRenderTarget, bitmapFrameEncode, new wic.ImageParameters(d2PixelFormat, 96, 96, 0, 0, pixelWidth, pixelHeight));

            bitmapFrameEncode.Commit();
            encoder.Commit();

            //cleanup

            //dispose everything and free used resources
            bitmapFrameEncode.Dispose();
            encoder.Dispose();
            stream.Dispose();
            textBrush.Dispose();
            textLayout.Dispose();
            textFormat.Dispose();
            formatConverter.Dispose();
            //gaussianBlurEffect.Dispose();
            bitmapSourceEffect.Dispose();
            d2dRenderTarget.Dispose();
            inputStream.Dispose();
            decoder.Dispose();
            d2dContext.Dispose();
            dwFactory.Dispose();
            imagingFactory.Dispose();
            d2dDevice.Dispose();
            dxgiDevice.Dispose();
            d3dDevice.Dispose();
            defaultDevice.Dispose();

            //save
            System.Diagnostics.Process.Start(outputPath);
        }
Example #36
0
        static void Main()
        {
            // input and output files are supposed to be in the program folder
            var inputPath = "Input.png";
            var outputPath = "Output.png";

            // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            // INITIALIZATION ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

            // initialize the D3D device which will allow to render to image any graphics - 3D or 2D
            var defaultDevice = new SharpDX.Direct3D11.Device(SharpDX.Direct3D.DriverType.Hardware,
                                                              d3d.DeviceCreationFlags.VideoSupport
                                                              | d3d.DeviceCreationFlags.BgraSupport
                                                              | d3d.DeviceCreationFlags.Debug); // take out the Debug flag for better performance

            var d3dDevice = defaultDevice.QueryInterface<d3d.Device1>(); // get a reference to the Direct3D 11.1 device
            var dxgiDevice = d3dDevice.QueryInterface<dxgi.Device>(); // get a reference to DXGI device

            var d2dDevice = new d2.Device(dxgiDevice); // initialize the D2D device

            var imagingFactory = new wic.ImagingFactory2(); // initialize the WIC factory

            // initialize the DeviceContext - it will be the D2D render target and will allow all rendering operations
            var d2dContext = new d2.DeviceContext(d2dDevice, d2.DeviceContextOptions.None);

            var dwFactory = new dw.Factory();

            // specify a pixel format that is supported by both D2D and WIC
            var d2PixelFormat = new d2.PixelFormat(dxgi.Format.R8G8B8A8_UNorm, d2.AlphaMode.Premultiplied);
            // if in D2D was specified an R-G-B-A format - use the same for wic
            var wicPixelFormat = wic.PixelFormat.Format32bppPRGBA;

            // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            // IMAGE LOADING ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

            var decoder = new wic.PngBitmapDecoder(imagingFactory); // we will load a PNG image
            var inputStream = new wic.WICStream(imagingFactory, inputPath, NativeFileAccess.Read); // open the image file for reading
            decoder.Initialize(inputStream, wic.DecodeOptions.CacheOnLoad);

            // decode the loaded image to a format that can be consumed by D2D
            var formatConverter = new wic.FormatConverter(imagingFactory);
            formatConverter.Initialize(decoder.GetFrame(0), wicPixelFormat);

            // load the base image into a D2D Bitmap
            //var inputBitmap = d2.Bitmap1.FromWicBitmap(d2dContext, formatConverter, new d2.BitmapProperties1(d2PixelFormat));

            // store the image size - output will be of the same size
            var inputImageSize = formatConverter.Size;
            var pixelWidth = inputImageSize.Width;
            var pixelHeight = inputImageSize.Height;

            // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            // EFFECT SETUP ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

            // Effect 1 : BitmapSource - take decoded image data and get a BitmapSource from it
            var bitmapSourceEffect = new d2.Effects.BitmapSource(d2dContext);
            bitmapSourceEffect.WicBitmapSource = formatConverter;

            // Effect 2 : GaussianBlur - give the bitmapsource a gaussian blurred effect
            var gaussianBlurEffect = new d2.Effects.GaussianBlur(d2dContext);
            gaussianBlurEffect.SetInput(0, bitmapSourceEffect.Output, true);
            gaussianBlurEffect.StandardDeviation = 5f;

            // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            // OVERLAY TEXT SETUP ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

            var textFormat = new dw.TextFormat(dwFactory, "Arial", 15f); // create the text format of specified font configuration

            // draw a long text to show the automatic line wrapping
            var textToDraw = "Some long text to show the drawing of preformatted "
                             + "glyphs using DirectWrite on the Direct2D surface."
                             + " Notice the automatic wrapping of line if it exceeds desired width.";

            // create the text layout - this improves the drawing performance for static text
            // as the glyph positions are precalculated
            var textLayout = new dw.TextLayout(dwFactory, textToDraw, textFormat, 300f, 1000f);

            var textBrush = new d2.SolidColorBrush(d2dContext, Color.LightGreen);

            // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            // RENDER TARGET SETUP ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

            // create the d2d bitmap description using default flags (from SharpDX samples) and 96 DPI
            var d2dBitmapProps = new d2.BitmapProperties1(d2PixelFormat, 96, 96, d2.BitmapOptions.Target | d2.BitmapOptions.CannotDraw);

            // the render target
            var d2dRenderTarget = new d2.Bitmap1(d2dContext, new Size2(pixelWidth, pixelHeight), d2dBitmapProps);
            d2dContext.Target = d2dRenderTarget; // associate bitmap with the d2d context

            // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            // DRAWING ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

            // slow preparations - fast drawing:
            d2dContext.BeginDraw();
            d2dContext.DrawImage(gaussianBlurEffect);
            d2dContext.DrawTextLayout(new Vector2(5f, 5f), textLayout, textBrush);
            d2dContext.EndDraw();

            // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            // IMAGE SAVING ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

            // delete the output file if it already exists
            if (System.IO.File.Exists(outputPath)) System.IO.File.Delete(outputPath);

            // use the appropiate overload to write either to stream or to a file
            var stream = new wic.WICStream(imagingFactory, outputPath, NativeFileAccess.Write);

            // select the image encoding format HERE
            var encoder = new wic.PngBitmapEncoder(imagingFactory);
            encoder.Initialize(stream);

            var bitmapFrameEncode = new wic.BitmapFrameEncode(encoder);
            bitmapFrameEncode.Initialize();
            bitmapFrameEncode.SetSize(pixelWidth, pixelHeight);
            bitmapFrameEncode.SetPixelFormat(ref wicPixelFormat);

            // this is the trick to write D2D1 bitmap to WIC
            var imageEncoder = new wic.ImageEncoder(imagingFactory, d2dDevice);
            imageEncoder.WriteFrame(d2dRenderTarget, bitmapFrameEncode, new wic.ImageParameters(d2PixelFormat, 96, 96, 0, 0, pixelWidth, pixelHeight));

            bitmapFrameEncode.Commit();
            encoder.Commit();

            // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            // CLEANUP ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

            // dispose everything and free used resources

            bitmapFrameEncode.Dispose();
            encoder.Dispose();
            stream.Dispose();
            textBrush.Dispose();
            textLayout.Dispose();
            textFormat.Dispose();
            formatConverter.Dispose();
            gaussianBlurEffect.Dispose();
            bitmapSourceEffect.Dispose();
            d2dRenderTarget.Dispose();
            inputStream.Dispose();
            decoder.Dispose();
            d2dContext.Dispose();
            dwFactory.Dispose();
            imagingFactory.Dispose();
            d2dDevice.Dispose();
            dxgiDevice.Dispose();
            d3dDevice.Dispose();
            defaultDevice.Dispose();

            // show the result
            System.Diagnostics.Process.Start(outputPath);
        }
Example #37
0
 /// <summary>
 /// Initializes a new instance of the <see cref="BitmapDecoder"/> class from a <see cref="IStream"/>.
 /// </summary>
 /// <param name="factory">The factory.</param>
 /// <param name="streamRef">The stream ref.</param>
 /// <param name="metadataOptions">The metadata options.</param>
 /// <unmanaged>HRESULT IWICImagingFactory::CreateDecoderFromStream([In, Optional] IStream* pIStream,[In, Optional] const GUID* pguidVendor,[In] WICDecodeOptions metadataOptions,[Out, Fast] IWICBitmapDecoder** ppIDecoder)</unmanaged>
 public BitmapDecoder(ImagingFactory factory, Stream streamRef, SharpDX.WIC.DecodeOptions metadataOptions)
 {
     internalWICStream = new WICStream(factory, streamRef);
     factory.CreateDecoderFromStream_(ComStream.ToIntPtr(internalWICStream), null, metadataOptions, this);
 }
        public async Task<System.IO.MemoryStream> RenderLabelToStream(
            float imageWidth,
            float imageHeight,
            Color4 foregroundColor,
            Vector2 origin,
            TextLayout textLayout,
            float dpi = DEFAULT_DPI,
            SharpDX.DXGI.Format format = SharpDX.DXGI.Format.B8G8R8A8_UNorm,
            SharpDX.Direct2D1.AlphaMode alpha = AlphaMode.Premultiplied)
        {

            // Get stream
            var pngStream = new MemoryStream();

            using (var renderTarget = RenderLabel(
                imageWidth,
                imageHeight,
                foregroundColor,
                origin,
                textLayout,
                dpi,
                format,
                alpha))
            {

                pngStream.Position = 0;

                // Create a WIC outputstream
                using (var wicStream = new WICStream(FactoryImaging, pngStream))
                {

                    var size = renderTarget.PixelSize;

                    // Initialize a Png encoder with this stream
                    using (var wicBitmapEncoder = new PngBitmapEncoder(FactoryImaging, wicStream))
                    {

                        // Create a Frame encoder
                        using (var wicFrameEncoder = new BitmapFrameEncode(wicBitmapEncoder))
                        {
                            wicFrameEncoder.Initialize();

                            // Create image encoder
                            ImageEncoder wicImageEncoder;
                            ImagingFactory2 factory2 = new ImagingFactory2();
                            wicImageEncoder = new ImageEncoder(factory2, D2DDevice);


                            var imgParams = new ImageParameters();
                            imgParams.PixelFormat =
                                new SharpDX.Direct2D1.PixelFormat(SharpDX.DXGI.Format.B8G8R8A8_UNorm,
                                                                    AlphaMode.Premultiplied);

                            imgParams.PixelHeight = (int)size.Height;
                            imgParams.PixelWidth = (int)size.Width;

                            wicImageEncoder.WriteFrame(renderTarget, wicFrameEncoder, imgParams);

                            //// Commit changes
                            wicFrameEncoder.Commit();
                            wicBitmapEncoder.Commit();

                            byte[] buffer = new byte[pngStream.Length];
                            pngStream.Position = 0;
                            await pngStream.ReadAsync(buffer, 0, (int)pngStream.Length);
                        }
                    }
                }
            }

            return pngStream;
        }
Example #39
0
        //-------------------------------------------------------------------------------------
        // Load a WIC-supported file in memory
        //-------------------------------------------------------------------------------------
        internal static Image LoadFromWICMemory(IntPtr pSource, int size, bool makeACopy, GCHandle?handle)
        {
            var flags = WICFlags.AllFrames;

            Image image = null;

            // Create input stream for memory
            using (var stream = new WIC.WICStream(Factory, new SDX.DataPointer(pSource, size)))
            {
                // If the decoder is unable to decode the image, than return null
                WIC.BitmapDecoder decoder = null;
                try
                {
                    decoder = new WIC.BitmapDecoder(Factory, stream, WIC.DecodeOptions.CacheOnDemand);
                    using (var frame = decoder.GetFrame(0))
                    {
                        // Get metadata
                        Guid convertGuid;
                        var  tempDesc = DecodeMetadata(flags, decoder, frame, out convertGuid);

                        // If not supported.
                        if (!tempDesc.HasValue)
                        {
                            return(null);
                        }

                        var mdata = tempDesc.Value;

                        if ((mdata.ArraySize > 1) && (flags & WICFlags.AllFrames) != 0)
                        {
                            return(DecodeMultiframe(flags, mdata, decoder));
                        }

                        image = DecodeSingleFrame(flags, mdata, convertGuid, frame);
                    }
                }
                catch
                {
                    image = null;
                }
                finally
                {
                    if (decoder != null)
                    {
                        decoder.Dispose();
                    }
                }
            }

            // For WIC, we are not keeping the original buffer.
            if (image != null && !makeACopy)
            {
                if (handle.HasValue)
                {
                    handle.Value.Free();
                }
                else
                {
                    SDX.Utilities.FreeMemory(pSource);
                }
            }
            return(image);
        }
Example #40
0
        /// <summary>
        /// SharpDX WIC sample. Encode to JPG and decode.
        /// </summary>
        static void Main()
        {
            const int width = 512;
            const int height = 512;
            const string filename = "output.jpg";

            var factory = new ImagingFactory();

            WICStream stream = null;

            // ------------------------------------------------------
            // Encode a JPG image
            // ------------------------------------------------------

            // Create a WIC outputstream 
            if (File.Exists(filename))
                File.Delete(filename);

            stream = new WICStream(factory, filename, NativeFileAccess.Write);

            // Initialize a Jpeg encoder with this stream
            var encoder = new JpegBitmapEncoder(factory);
            encoder.Initialize(stream);

            // Create a Frame encoder
            var bitmapFrameEncode = new BitmapFrameEncode(encoder);
            bitmapFrameEncode.Options.ImageQuality = 0.8f;
            bitmapFrameEncode.Initialize();
            bitmapFrameEncode.SetSize(width, height);
            var guid = PixelFormat.Format24bppBGR;
            bitmapFrameEncode.SetPixelFormat(ref guid);

            // Write a pseudo-plasma to a buffer
            int stride = PixelFormat.GetStride(PixelFormat.Format24bppBGR, width);
            var bufferSize = height * stride;
            var buffer = new DataStream(bufferSize, true, true);
            for (int y = 0; y < height; y++)
            {
                for (int x = 0; x < width; x++)
                {
                    buffer.WriteByte((byte)(x / 2.0 + 20.0 * Math.Sin(y / 40.0)));
                    buffer.WriteByte((byte)(y / 2.0 + 30.0 * Math.Sin(x / 80.0)));
                    buffer.WriteByte((byte)(x / 2.0));
                }
            }

            // Copy the pixels from the buffer to the Wic Bitmap Frame encoder
            bitmapFrameEncode.WritePixels(512, new DataRectangle(buffer.DataPointer, stride));

            // Commit changes
            bitmapFrameEncode.Commit();
            encoder.Commit();
            bitmapFrameEncode.Dispose();
            encoder.Dispose();
            stream.Dispose();

            // ------------------------------------------------------
            // Decode the previous JPG image
            // ------------------------------------------------------

            // Read input
            stream = new WICStream(factory, filename, NativeFileAccess.Read);
            var decoder = new JpegBitmapDecoder(factory);
            decoder.Initialize(stream, DecodeOptions.CacheOnDemand);
            var bitmapFrameDecode = decoder.GetFrame(0);
            var queryReader = bitmapFrameDecode.MetadataQueryReader;

            // Dump MetadataQueryreader
            queryReader.Dump(Console.Out);
            queryReader.Dispose();

            bitmapFrameDecode.Dispose();
            decoder.Dispose();
            stream.Dispose();

            // Dispose
            factory.Dispose();

            System.Diagnostics.Process.Start(Path.GetFullPath(Path.Combine(Environment.CurrentDirectory, filename)));
        }