Exemplo n.º 1
0
        public void RenderToFile(UserControl target, [CallerMemberName] string testName = "")
        {
            string path = Path.Combine(testDirectory, testName + ".wpf.out.png");

            RenderTargetBitmap bitmap = new RenderTargetBitmap(
                (int)target.Width,
                (int)target.Height,
                96,
                96,
                PixelFormats.Pbgra32);

            Size size = new Size(target.Width, target.Height);
            target.Measure(size);
            target.Arrange(new Rect(size));
            bitmap.Render(target);

            File.Delete(path);

            using (FileStream fs = new FileStream(path, FileMode.Create))
            {
                PngBitmapEncoder encoder = new PngBitmapEncoder();
                encoder.Frames.Add(BitmapFrame.Create(bitmap));
                encoder.Save(fs);
            }
        }
Exemplo n.º 2
0
 public static void Initialize(this UIElement element)
 {
     var userControl = new UserControl { Content = element };
     userControl.BeginInit(); // hacking different things here
     userControl.Measure(new Size(100, 100));
     userControl.Arrange(new Rect(new Size(100, 100)));
     element.RaiseEvent(new RoutedEventArgs(FrameworkElement.LoadedEvent));
 }
Exemplo n.º 3
0
        void Export(UserControl tile, int width, int height, string filename)
        {
            tile.Measure(new Size(width, height));
            tile.Arrange(new Rect(0, 0, width, height));

            var bmp = new WriteableBitmap(width, height);
            bmp.Render(tile, null);
            bmp.Invalidate();

            using (var store = IsolatedStorageFile.GetUserStoreForApplication())
            using (var stream = store.OpenFile(filename, System.IO.FileMode.OpenOrCreate))
            {
                bmp.SaveJpeg(stream, width, height, 0, 100);
            }
        }
Exemplo n.º 4
-1
 public void PrintReceipt(UserControl uc)
 {
     var dialog = new PrintDialog();
     var printer = new PrintServer().GetPrintQueues()
                     .FirstOrDefault(x => x.Name == _printerName);
     if (printer != null)
         dialog.PrintQueue = printer;
     uc.Measure(new Size(dialog.PrintableAreaWidth, dialog.PrintableAreaHeight));
     uc.Arrange(new Rect(new Point(0, 0), uc.DesiredSize));
     dialog.PrintVisual(uc, "receipt");
 }