public static void UpdateSize(FrameworkElement element, double availableWidth) { var vbox = new Viewbox { Child = element }; vbox.Measure(new Size(availableWidth, 2000)); vbox.Arrange(new Rect(0, 0, availableWidth, 2000)); vbox.UpdateLayout(); }
private byte[] parserToInkCanvas(PreParser parser, RequestInfo info) { ManualResetEvent waitHandler = new ManualResetEvent(false); byte[] result = new byte[0]; var staThread = new Thread(new ParameterizedThreadStart(delegate { try { var canvas = new InkCanvas(); parser.Populate(canvas); var viewBox = new Viewbox(); viewBox.Stretch = Stretch.Uniform; viewBox.Child = canvas; viewBox.Width = info.width; viewBox.Height = info.height; var size = new Size(info.width, info.height); viewBox.Measure(size); viewBox.Arrange(new Rect(size)); viewBox.UpdateLayout(); RenderTargetBitmap targetBitmap = new RenderTargetBitmap(info.width, info.height, 96d, 96d, PixelFormats.Pbgra32); targetBitmap.Render(viewBox); PngBitmapEncoder encoder = new PngBitmapEncoder(); encoder.Frames.Add(BitmapFrame.Create(targetBitmap)); using (var stream = new MemoryStream()) { encoder.Save(stream); result = stream.ToArray(); } } catch (Exception e) { Trace.TraceInformation("{0}\n{1}", e.Message, e.StackTrace); } finally { waitHandler.Set(); } })); staThread.SetApartmentState(ApartmentState.STA); staThread.Start(); waitHandler.WaitOne(); return result; }
private byte[] createImage(RequestInfo info){ byte[] result = new byte[0]; var synchrony = new Thread(new ParameterizedThreadStart(delegate{ List<PreParser> parserList = new List<PreParser>(); MeTLLib.MeTLLibEventHandlers.PreParserAvailableEventHandler parserReceiver = (sender, parserAvailableArgs)=>{ parserList.Add(parserAvailableArgs.parser); }; client.events.PreParserAvailable += parserReceiver; var staThread = new Thread(new ParameterizedThreadStart(delegate{ while (parserList.Count() < 3) { } var canvas = new InkCanvas(); foreach (var preParser in parserList.ToList()) preParser.Populate(canvas); var viewBox = new Viewbox(); viewBox.Stretch = Stretch.Uniform; viewBox.Child = canvas; viewBox.Width = info.width; viewBox.Height = info.height; var size = new Size(info.width, info.height); viewBox.Measure(size); viewBox.Arrange(new Rect(size)); viewBox.UpdateLayout(); viewBox.Dispatcher.Invoke(DispatcherPriority.Background,new ThreadStart(delegate { })); RenderTargetBitmap targetBitmap = new RenderTargetBitmap(info.width, info.height, 96d, 96d, PixelFormats.Pbgra32); targetBitmap.Render(viewBox); PngBitmapEncoder encoder = new PngBitmapEncoder(); encoder.Frames.Add(BitmapFrame.Create(targetBitmap)); using (var stream = new MemoryStream()) { encoder.Save(stream); result = stream.ToArray(); } client.events.PreParserAvailable -= parserReceiver; })); staThread.SetApartmentState(ApartmentState.STA); staThread.Start(); client.AsyncRetrieveHistoryOf(info.slide); staThread.Join(); })); synchrony.Start(); synchrony.Join(); cache[info] = result; return result; }
private static void RenderToLMap(Image li, string file) { Viewbox viewbox = new Viewbox { Child = li }; viewbox.Measure(new Size(li.Width, li.Height)); viewbox.Arrange(new Rect(0, 0, li.Width, li.Height)); viewbox.UpdateLayout(); RenderTargetBitmap rtb = new RenderTargetBitmap((int)li.Width, (int)li.Height, 96, 96, PixelFormats.Pbgra32); rtb.Render(viewbox); PngBitmapEncoder enc = new PngBitmapEncoder(); enc.Frames.Add(BitmapFrame.Create(rtb)); using (FileStream stm = File.Create(file)) { enc.Save(stm); } }