void ColorCameraLoop()
{
while (true)
{
var encodedColorData = camera.Client.LatestJPEGImage();
// decode JPEG
var memoryStream = new MemoryStream(encodedColorData);
var stream = new WICStream(imagingFactory, memoryStream);
// decodes to 24 bit BGR
var decoder = new SharpDX.WIC.BitmapDecoder(imagingFactory, stream, SharpDX.WIC.DecodeOptions.CacheOnLoad);
var bitmapFrameDecode = decoder.GetFrame(0);
// convert to 32 bpp
var formatConverter = new FormatConverter(imagingFactory);
formatConverter.Initialize(bitmapFrameDecode, SharpDX.WIC.PixelFormat.Format32bppBGR);
formatConverter.CopyPixels(nextColorData, Kinect2Calibration.colorImageWidth * 4); // TODO: consider copying directly to texture native memory
//lock (colorData)
// Swap<byte[]>(ref colorData, ref nextColorData);
lock (renderLock) // necessary?
{
UpdateColorImage(device.ImmediateContext, nextColorData);
}
memoryStream.Close();
memoryStream.Dispose();
stream.Dispose();
decoder.Dispose();
formatConverter.Dispose();
bitmapFrameDecode.Dispose();
}
}
public static Bitmap LoadPngFromStream(Stream stream)
{
// Read input
var wicStream = new WICStream(DXGraphicsService.FactoryImaging, stream);
var decoder = new PngBitmapDecoder(DXGraphicsService.FactoryImaging);
decoder.Initialize(wicStream, DecodeOptions.CacheOnDemand);
var bitmapFrameDecode = decoder.GetFrame(0);
var width = bitmapFrameDecode.Size.Width;
var height = bitmapFrameDecode.Size.Height;
//Convert WIC pixel format to D2D1 format
var formatConverter = new FormatConverter(DXGraphicsService.FactoryImaging);
formatConverter.Initialize(bitmapFrameDecode, PixelFormat.Format32bppBGRA, BitmapDitherType.None, null, 0f,
BitmapPaletteType.MedianCut);
// Bitmaps and render target settings
var wicBitmap = new Bitmap(
DXGraphicsService.FactoryImaging, width, height,
PixelFormat.Format32bppBGRA,
BitmapCreateCacheOption.CacheOnLoad);
bitmapFrameDecode.Dispose();
decoder.Dispose();
wicStream.Dispose();
return(wicBitmap);
}
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 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 = WicPixelFormat.Format32bppPRGBA;
// pixel format without transparency, but one that works with Cleartype antialiasing
//var pixelFormat = WicPixelFormat.Format32bppBGR;
var wicBitmap = new Bitmap(
this.WicFactory,
width,
height,
pixelFormat,
BitmapCreateCacheOption.CacheOnLoad);
var renderTargetProperties = new RenderTargetProperties(
RenderTargetType.Default,
new D2DPixelFormat(Format.R8G8B8A8_UNorm, AlphaMode.Premultiplied),
//new D2DPixelFormat(Format.Unknown, AlphaMode.Unknown), // use this for non-alpha, cleartype antialiased text
0,
0,
RenderTargetUsage.None,
FeatureLevel.Level_DEFAULT);
var renderTarget = new WicRenderTarget(
this.D2DFactory,
wicBitmap,
renderTargetProperties)
{
//TextAntialiasMode = TextAntialiasMode.Cleartype // this only works with the pixel format with no alpha channel
TextAntialiasMode = 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 WICStream(
this.WicFactory,
ms);
var encoder = new PngBitmapEncoder(WicFactory);
encoder.Initialize(stream);
var frameEncoder = new BitmapFrameEncode(encoder);
frameEncoder.Initialize();
frameEncoder.SetSize(width, height);
var format = WicPixelFormat.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);
}
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 * 2, height - 128 * 2)
});
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 WriteJpegToStream(this Bitmap bitmap, Stream stream, int width = -1, int height = -1)
{
if (width <= 0)
{
width = bitmap.Size.Width;
}
if (height <= 0)
{
height = bitmap.Size.Height;
}
// ------------------------------------------------------
// Encode a JPEG image
// ------------------------------------------------------
// Create a WIC outputstream
var wicStream = new WICStream(DXGraphicsService.FactoryImaging, stream);
// Initialize a Jpeg encoder with this stream
var encoder = new JpegBitmapEncoder(DXGraphicsService.FactoryImaging);
encoder.Initialize(wicStream);
// Create a Frame encoder
var bitmapFrameEncode = new BitmapFrameEncode(encoder);
bitmapFrameEncode.Options.CompressionQuality = .8f;
bitmapFrameEncode.Initialize();
bitmapFrameEncode.SetSize(width, height);
var guid = PixelFormat.Format24bppRGB;
bitmapFrameEncode.SetPixelFormat(ref guid);
bitmapFrameEncode.WriteSource(bitmap);
// Commit changes
bitmapFrameEncode.Commit();
encoder.Commit();
// Cleanup
bitmapFrameEncode.Options.Dispose();
bitmapFrameEncode.Dispose();
encoder.Dispose();
wicStream.Dispose();
}
private async Task UpdateColorTexture()
{
try
{
var encodedColorData = await _camera.Client.LatestJPEGImageAsync();
// decode JPEG
var memoryStream = new MemoryStream(encodedColorData);
var stream = new WICStream(_imagingFactory, memoryStream);
// decodes to 24 bit BGR
var decoder = new SharpDX.WIC.BitmapDecoder(_imagingFactory, stream, SharpDX.WIC.DecodeOptions.CacheOnLoad);
var bitmapFrameDecode = decoder.GetFrame(0);
// convert to 32 bpp
var formatConverter = new FormatConverter(_imagingFactory);
formatConverter.Initialize(bitmapFrameDecode, SharpDX.WIC.PixelFormat.Format32bppBGR);
formatConverter.CopyPixels(nextColorData, RoomAliveToolkit.Kinect2Calibration.colorImageWidth * 4);
UpdateColorImage(GraphicsDevice, nextColorData);
memoryStream.Close();
memoryStream.Dispose();
stream.Dispose();
decoder.Dispose();
formatConverter.Dispose();
bitmapFrameDecode.Dispose();
}
catch (System.ServiceModel.EndpointNotFoundException ex)
{
// TODO Message
LiveColor = false;
Console.WriteLine("Could not connect to Kinect for live color. Start Kinect server.");
}
catch (System.ServiceModel.CommunicationException)
{
Console.WriteLine("Connection to Kinect server for live color was lost. Restart Kinect server and the application.");
LiveDepth = false;
}
}
public static void WritePngToStream(Bitmap bitmap, Stream stream)
{
int width = bitmap.Size.Width;
int height = bitmap.Size.Height;
// ------------------------------------------------------
// Encode a PNG image
// ------------------------------------------------------
// Create a WIC outputstream
var wicStream = new WICStream(DXGraphicsService.FactoryImaging, stream);
// Initialize a Jpeg encoder with this stream
var encoder = new PngBitmapEncoder(DXGraphicsService.FactoryImaging);
encoder.Initialize(wicStream);
// Create a Frame encoder
var bitmapFrameEncode = new BitmapFrameEncode(encoder);
bitmapFrameEncode.Initialize();
bitmapFrameEncode.SetSize(width, height);
Guid guid = PixelFormat.Format32bppRGBA;
bitmapFrameEncode.SetPixelFormat(ref guid);
bitmapFrameEncode.WriteSource(bitmap);
// Commit changes
bitmapFrameEncode.Commit();
encoder.Commit();
// Cleanup
bitmapFrameEncode.Options.Dispose();
bitmapFrameEncode.Dispose();
encoder.Dispose();
wicStream.Dispose();
}
//
// 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);
}
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();
}
}
}
}
// private static SharpDX.Direct2D1.DeviceContext d2dContext;
public async static Task <MemoryStream> RenderStaticTextToBitmap(StorageFile imageFile)
{
var bitmap = new BitmapImage();
using (var strm = await imageFile.OpenAsync(FileAccessMode.Read))
{
bitmap.SetSource(strm);
}
var width = bitmap.PixelWidth;
var height = bitmap.PixelHeight;
var pixelFormat = WicPixelFormat.Format32bppBGR;
var wicFactory = new ImagingFactory2();
var dddFactory = new SharpDX.Direct2D1.Factory();
var dwFactory = new SharpDX.DirectWrite.Factory();
WicRenderTarget renderTarget;
Bitmap wicBitmap;
using (var bitmapSource = LoadBitmap(wicFactory, imageFile.Path))
{
wicBitmap = new Bitmap(wicFactory, bitmapSource, BitmapCreateCacheOption.CacheOnLoad);
int pixelWidth = (int)(wicBitmap.Size.Width * DisplayProperties.LogicalDpi / 96.0);
int pixelHeight = (int)(wicBitmap.Size.Height * DisplayProperties.LogicalDpi / 96.0);
var renderTargetProperties = new RenderTargetProperties(RenderTargetType.Default,
new D2DPixelFormat(Format.Unknown, AlphaMode.Unknown), 0, 0, RenderTargetUsage.None,
SharpDX.Direct2D1.FeatureLevel.Level_DEFAULT);
renderTarget = new WicRenderTarget(
dddFactory,
wicBitmap,
renderTargetProperties)
{
TextAntialiasMode = SharpDX.Direct2D1.TextAntialiasMode.Cleartype
};
}
renderTarget.BeginDraw();
var textFormat = new TextFormat(dwFactory, "Segoe UI Light", 25)
{
TextAlignment = SharpDX.DirectWrite.TextAlignment.Leading,
ParagraphAlignment = ParagraphAlignment.Far
};
var textBrush = new SharpDX.Direct2D1.SolidColorBrush(
renderTarget,
SharpDX.Color.DarkBlue);
StringBuilder sb = new StringBuilder();
var dstamp = StampPersistData.Instance.DataStamp;
sb.Append(dstamp.KMReading).Append("\n");
sb.Append(dstamp.DateOfFirstReg).Append("\n");
sb.Append(dstamp.Gps).Append("\n");
sb.Append(dstamp.VehRegNo).Append("\n");
sb.Append(dstamp.Make).Append("\n");
sb.Append(dstamp.CusName).Append("\n");
sb.Append(dstamp.InspectorName).Append("\n");
sb.Append(dstamp.CaseNo);
renderTarget.DrawText(
sb.ToString(),
textFormat,
new SharpDX.RectangleF(1, 1, width + 50, height + 25),
textBrush);
//new RectangleF(width - 150, 0, width, height + 25),
renderTarget.EndDraw();
var ms = new MemoryStream();
var stream = new WICStream(
wicFactory,
ms);
BitmapEncoder encoder = null;
if (imageFile.FileType == ".png")
{
encoder = new PngBitmapEncoder(wicFactory);
}
else if (imageFile.FileType == ".jpg")
{
encoder = new JpegBitmapEncoder(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 async static Task <MemoryStream> InterpolateImageMarkup(StorageFile imageFile, StorageFile markupFile)
{
try
{
var bitmap = new BitmapImage();
using (var strm = await imageFile.OpenAsync(FileAccessMode.Read))
{
bitmap.SetSource(strm);
}
var width = bitmap.PixelWidth;
var height = bitmap.PixelHeight;
var pixelFormat = WicPixelFormat.Format32bppBGR;
var wicFactory = new ImagingFactory2();
var markupFactory = new ImagingFactory2();
var dddFactory = new SharpDX.Direct2D1.Factory();
var dwFactory = new SharpDX.DirectWrite.Factory();
WicRenderTarget renderTarget;
Bitmap wicBitmap;
SharpDX.Direct3D11.Device defaultDevice = new SharpDX.Direct3D11.Device(DriverType.Hardware, DeviceCreationFlags.Debug | DeviceCreationFlags.BgraSupport);
var device = defaultDevice.QueryInterface <SharpDX.Direct3D11.Device1>();
SharpDX.DXGI.Device2 dxgiDevice2 = device.QueryInterface <SharpDX.DXGI.Device2>();
SharpDX.Direct2D1.Device d2dDevice = new SharpDX.Direct2D1.Device(dxgiDevice2);
// d2dContext = new SharpDX.Direct2D1.DeviceContext(d2dDevice, SharpDX.Direct2D1.DeviceContextOptions.None);
using (var bitmapSource = LoadBitmap(wicFactory, imageFile.Path))
{
wicBitmap = new Bitmap(wicFactory, bitmapSource, BitmapCreateCacheOption.CacheOnLoad);
int pixelWidth = (int)(wicBitmap.Size.Width * DisplayProperties.LogicalDpi / 96.0);
int pixelHeight = (int)(wicBitmap.Size.Height * DisplayProperties.LogicalDpi / 96.0);
var renderTargetProperties = new RenderTargetProperties(RenderTargetType.Default,
new D2DPixelFormat(Format.Unknown, AlphaMode.Unknown), 0, 0, RenderTargetUsage.None,
SharpDX.Direct2D1.FeatureLevel.Level_DEFAULT);
renderTarget = new WicRenderTarget(dddFactory, wicBitmap, renderTargetProperties)
{
TextAntialiasMode = SharpDX.Direct2D1.TextAntialiasMode.Cleartype
};
}
renderTarget.BeginDraw();
renderTarget.DrawBitmap(LoadBitmapFromContentFile(wicFactory, markupFile.Path, renderTarget), 1.0f, SharpDX.Direct2D1.BitmapInterpolationMode.NearestNeighbor, new SharpDX.RectangleF(30, 50, 100, 80));
//new RectangleF(width - 150, 0, width, height + 25),
renderTarget.EndDraw();
var ms = new MemoryStream();
var stream = new WICStream(wicFactory, ms);
BitmapEncoder encoder = null;
if (imageFile.FileType == ".png")
{
encoder = new PngBitmapEncoder(wicFactory);
}
else if (imageFile.FileType == ".jpg")
{
encoder = new JpegBitmapEncoder(wicFactory);
}
encoder.Initialize(stream);
var frameEncoder = new BitmapFrameEncode(encoder);
frameEncoder.Initialize();
frameEncoder.SetSize(width, height);
//frameEncoder.piPixelFormat = WicPixelFormat.FormatDontCare;
frameEncoder.WriteSource(wicBitmap);
frameEncoder.Commit();
encoder.Commit();
frameEncoder.Dispose();
encoder.Dispose();
stream.Dispose();
ms.Position = 0;
return(ms);
}
catch (Exception)
{
throw;
}
}
/// <summary>
/// 从rss生成图像
/// </summary>
/// <param name="channel">从rss源获得的数据</param>
/// <param name="path">保存图像的路径</param>
private void GetImageFromRss(object obj)
{
ImageObj image = (ImageObj)obj;
RssInfo rssInfo = image.rssInfo;
RssMedia rssMedia = image.rssMedia;
string fileName = "";
if (rssInfo == null || rssMedia == null)
{
return;
}
List <Page> pages = GetPageListFromRss(rssInfo, rssMedia);
var wicFactory = new ImagingFactory();
var d2dFactory = new SharpDX.Direct2D1.Factory();
var dwFactory = new SharpDX.DirectWrite.Factory();
var renderTargetProperties = new RenderTargetProperties(RenderTargetType.Default,
new SharpDX.Direct2D1.PixelFormat(Format.Unknown, SharpDX.Direct2D1.AlphaMode.Unknown),
0,
0,
RenderTargetUsage.None, FeatureLevel.Level_DEFAULT);
var wicBitmap = new SharpDX.WIC.Bitmap(wicFactory,
pageWidth,
pageHeight,
SharpDX.WIC.PixelFormat.Format32bppBGR,
BitmapCreateCacheOption.CacheOnLoad);
var d2dRenderTarget = new WicRenderTarget(d2dFactory,
wicBitmap,
renderTargetProperties);
d2dRenderTarget.AntialiasMode = AntialiasMode.PerPrimitive;
var solidColorBrush = new SolidColorBrush(d2dRenderTarget,
new SharpDX.Color(this.backgroundColor.R,
this.backgroundColor.G,
this.backgroundColor.B,
this.backgroundColor.A));
var textBodyBrush = new SolidColorBrush(d2dRenderTarget,
new SharpDX.Color(rssMedia.RssBodyProp.
TextColor.R,
rssMedia.RssBodyProp.TextColor.G,
rssMedia.RssBodyProp.TextColor.B,
rssMedia.RssBodyProp.TextColor.A));
var titleColorBrush = new SolidColorBrush(d2dRenderTarget,
new SharpDX.Color(rssMedia.RssTitleProp.TextColor.R,
rssMedia.RssTitleProp.TextColor.G,
rssMedia.RssTitleProp.TextColor.B,
rssMedia.RssTitleProp.TextColor.A));
var publishDateColorBrush = new SolidColorBrush(d2dRenderTarget,
new SharpDX.Color(rssMedia.RssPublishTimeProp.TextColor.R,
rssMedia.RssPublishTimeProp.TextColor.G,
rssMedia.RssPublishTimeProp.TextColor.B,
rssMedia.RssPublishTimeProp.TextColor.A));
TextLayout textLayout;
try
{
int count = 0;
foreach (Page page in pages)
{
d2dRenderTarget.BeginDraw();
d2dRenderTarget.Clear(new SharpDX.Color(this.backgroundColor.R,
this.backgroundColor.G,
this.backgroundColor.B,
this.backgroundColor.A));
foreach (Line line in page.lines)
{
foreach (Block block in line.content)
{
TextFormat textFormat = new TextFormat(dwFactory,
block.font.FontFamily.Name,
block.font.Size);
textLayout = new TextLayout(dwFactory,
block.content,
textFormat,
block.width,
block.height);
switch (block.type)
{
case RssBodyType.Title:
textLayout.SetUnderline(rssMedia.RssTitleProp.TextFont.Underline,
new TextRange(0, block.content.Length));
textLayout.SetFontStyle(rssMedia.RssTitleProp.TextFont.Italic ? FontStyle.Italic : FontStyle.Normal,
new TextRange(0, block.content.Length));
textLayout.SetFontWeight(rssMedia.RssTitleProp.TextFont.Bold ? FontWeight.Bold : FontWeight.Normal,
new TextRange(0, block.content.Length));
d2dRenderTarget.DrawTextLayout(new Vector2(block.left, block.top), textLayout, titleColorBrush);
break;
case RssBodyType.Time:
textLayout.SetUnderline(rssMedia.RssPublishTimeProp.TextFont.Underline,
new TextRange(0, block.content.Length));
textLayout.SetFontStyle(rssMedia.RssPublishTimeProp.TextFont.Italic ? FontStyle.Italic : FontStyle.Normal,
new TextRange(0, block.content.Length));
textLayout.SetFontWeight(rssMedia.RssPublishTimeProp.TextFont.Bold ? FontWeight.Bold : FontWeight.Normal,
new TextRange(0, block.content.Length));
d2dRenderTarget.DrawTextLayout(new Vector2(block.left, block.top), textLayout, publishDateColorBrush);
break;
case RssBodyType.Body:
textLayout.SetUnderline(rssMedia.RssBodyProp.TextFont.Underline,
new TextRange(0, block.content.Length));
textLayout.SetFontStyle(rssMedia.RssBodyProp.TextFont.Italic ? FontStyle.Italic : FontStyle.Normal,
new TextRange(0, block.content.Length));
textLayout.SetFontWeight(rssMedia.RssBodyProp.TextFont.Bold ? FontWeight.Bold : FontWeight.Normal,
new TextRange(0, block.content.Length));
d2dRenderTarget.DrawTextLayout(new Vector2(block.left, block.top), textLayout, textBodyBrush);
break;
default:
break;
}
textFormat.Dispose();
textFormat = null;
}
}
d2dRenderTarget.EndDraw();
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
fileName = string.Format("{0}{1}.jpg", path, DateTime.Now.Ticks.ToString());
var stream = new WICStream(wicFactory, fileName, NativeFileAccess.Write);
var encoder = new PngBitmapEncoder(wicFactory);
encoder.Initialize(stream);
var bitmapFrameEncode = new BitmapFrameEncode(encoder);
bitmapFrameEncode.Initialize();
bitmapFrameEncode.SetSize(pageWidth, pageHeight);
var pixelFormatGuid = SharpDX.WIC.PixelFormat.FormatDontCare;
bitmapFrameEncode.SetPixelFormat(ref pixelFormatGuid);
bitmapFrameEncode.WriteSource(wicBitmap);
bitmapFrameEncode.Commit();
encoder.Commit();
bitmapFrameEncode.Dispose();
encoder.Dispose();
stream.Dispose();
Console.WriteLine("*********image count is : " + count++);
//发送单个图片生成事件
if (SingleGenerateCompleteEvent != null)
{
SingleGenerateCompleteEvent(fileName);
}
}
//发送生成完成事件
if (GenerateCompleteEvent != null)
{
GenerateCompleteEvent(path);
//停止线程，从字典删除
StopGenerate(rssMedia.CachePath);
}
}
catch (ThreadAbortException aborted)
{
Trace.WriteLine("rss 图片生成线程终止 : " + aborted.Message);
}
catch (Exception ex)
{
Trace.WriteLine("rss 图片生成遇到bug : " + ex.Message);
}
finally
{
wicFactory.Dispose();
d2dFactory.Dispose();
dwFactory.Dispose();
wicBitmap.Dispose();
d2dRenderTarget.Dispose();
solidColorBrush.Dispose();
textBodyBrush.Dispose();
titleColorBrush.Dispose();
publishDateColorBrush.Dispose();
rssInfo.Dispose();
rssMedia.Dispose();
wicFactory = null;
d2dFactory = null;
dwFactory = null;
wicBitmap = null;
d2dRenderTarget = null;
solidColorBrush = null;
textBodyBrush = null;
titleColorBrush = null;
publishDateColorBrush = null;
rssInfo = null;
rssMedia = null;
pages.Clear();
pages = null;
}
}
/// <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)));
}
