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);
}
}
public static BitmapImage GetImage(UserControl pageControl, out int imageWidth, out int imageHeight)
{
pageControl.Width = 520;
pageControl.Height = 400;
imageWidth = (int)pageControl.Width;
imageHeight = (int)pageControl.Height;
pageControl.Measure(new Size(width: double.PositiveInfinity, height: double.PositiveInfinity));
var sz = pageControl.DesiredSize;
var rect = new Rect(sz);
pageControl.Arrange(rect);
var bmp = new RenderTargetBitmap((int)(rect.Width), (int)(rect.Height), 96, 96,
PixelFormats.Default);
bmp.Render(pageControl);
var bitmapImage = new BitmapImage();
var bitmapEncoder = new PngBitmapEncoder();
bitmapEncoder.Frames.Add(BitmapFrame.Create(bmp));
using (var stream = new MemoryStream())
{
bitmapEncoder.Save(stream);
stream.Seek(0, SeekOrigin.Begin);
bitmapImage.BeginInit();
bitmapImage.CacheOption = BitmapCacheOption.OnLoad;
bitmapImage.StreamSource = stream;
bitmapImage.EndInit();
}
return(bitmapImage);
}
public static void SaveTo(this UserControl control, string filename, Size size)
{
var controlWidth = (int)size.Width;
var controlHeight = (int)size.Height;
// Set size of the control
control.Height = controlHeight;
control.Width = controlWidth;
control.Arrange(new Rect(0, 0, controlWidth, controlHeight));
// Create writeable bitmap to save as image
var bmp = new RenderTargetBitmap(controlWidth, controlHeight, 120, 120, PixelFormats.Pbgra32);
bmp.Render(control);
var png = new PngBitmapEncoder();
png.Frames.Add(BitmapFrame.Create(bmp));
var stream = new MemoryStream();
png.Save(stream);
var fileStream = File.Create(Directory.GetCurrentDirectory() + string.Format(@"\{0}.png", filename));
stream.Seek(0, SeekOrigin.Begin);
stream.CopyTo(fileStream);
fileStream.Close();
}
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));
}
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");
}
public static void RenderTile(int width, int height, string number, object context)
{
string path = string.Format("/Shared/ShellContent/{0}_{1}_{2}.jpg", width, height, number);
WriteableBitmap bmp = null;
UserControl control = null;
ManualResetEventSlim evt = new ManualResetEventSlim(false, 50);
var act = new Action(() =>
{
evt.Reset();
control = (width == 0x9f) ? _159_159 as UserControl : _336_336 as UserControl;
control.DataContext = context;
control.Measure(new Size((double)width, (double)height));
control.UpdateLayout();
control.Arrange(new Rect(0.0, 0.0, (double)width, (double)height));
control.UpdateLayout();
bmp = new WriteableBitmap(width, height);
bmp.Render(control, null);
bmp.Invalidate();
evt.Set();
});
if (!Deployment.Current.Dispatcher.CheckAccess())
{
Deployment.Current.Dispatcher.BeginInvoke(act);
}
else
{
act();
}
evt.Wait();
if (bmp != null)
{
using (IsolatedStorageFile file = IsolatedStorageFile.GetUserStoreForApplication())
{
using (IsolatedStorageFileStream stream = new IsolatedStorageFileStream(path, FileMode.Create, FileAccess.Write, file))
{
PNGWriter.WritePNG(bmp, stream, -1);
//Extensions.SaveJpeg(bmp, stream, width, height, 0, 100);
}
}
}
bmp = null;
}
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);
}
}
private void RenderImageWorker()
{
IRenderTemplate renderTemplate = new GalleryCoverRenderTemplate();
Random r = new Random();
double imageRotation = r.Next(_imageRotationMin, _imageRotationMax);
double titleRotation = r.Next(_titleRotationMin, _titleRotationMax);
double titleOffsetX = r.Next(_titleOffestXMin, _titleOffestXMax);
double titleOffsetY = r.Next(_titleOffestYMin, _titleOffestYMax);
double imageOffsetX = r.Next(_imageOffestXMin, _imageOffestXMax);
double imageOffsetY = r.Next(_imageOffestYMin, _imageOffestYMax);
renderTemplate.ApplyImage(_coverImagePath);
renderTemplate.ApplyTitle(_title);
renderTemplate.FormatTitle(titleRotation, titleOffsetX, titleOffsetY);
renderTemplate.FormatImage(imageRotation, imageOffsetX, imageOffsetY);
renderTemplate.ResolveFonts(_contentPath);
UserControl renderControl = (UserControl)renderTemplate;
// Update layout after all the details have been applied.
renderControl.Measure(new Size(renderControl.Width, renderControl.Height));
renderControl.Arrange(new Rect(new Size(renderControl.Width, renderControl.Height)));
// Render the image to a bitmap.
RenderTargetBitmap bitmapRenderer = new RenderTargetBitmap((int)renderControl.ActualWidth, (int)renderControl.ActualHeight, 96, 96, PixelFormats.Pbgra32);
bitmapRenderer.Render(renderControl);
// Encode the bitmap as png.
PngBitmapEncoder png = new PngBitmapEncoder();
png.Frames.Add(BitmapFrame.Create(bitmapRenderer));
// Output the png to the file.
using (MemoryStream memoryStream = new MemoryStream())
{
png.Save(memoryStream);
this.imageBuffer = memoryStream.ToArray();
}
if (bitmapRenderer.Dispatcher.Thread.IsAlive)
{
bitmapRenderer.Dispatcher.InvokeShutdown();
}
}
//public static System.Windows.Forms.Cursor Convert(System.Windows.Input.Cursor cursor)
//{
// return new System.Windows.Forms.Cursor(cursor.)
//}
public static RenderTargetBitmap CreateBitmap(UserControl control, Size desiredSize)
{
control.Width = desiredSize.Width;
control.Height = desiredSize.Height;
control.Measure(desiredSize);
control.Arrange(new Rect(desiredSize));
control.UpdateLayout();
RenderTargetBitmap bmp = new RenderTargetBitmap(
(int)desiredSize.Width, (int)desiredSize.Height,
96, 96, PixelFormats.Pbgra32);
bmp.Render(control);
return(bmp);
}
private static RenderTargetBitmap RenderScreenAndSave(UserControl view)
{
System.Windows.Size size = new System.Windows.Size(view.RenderSize.Width, view.RenderSize.Height);
RenderTargetBitmap rtb = new RenderTargetBitmap((int)size.Width, (int)size.Height, 96, 96, System.Windows.Media.PixelFormats.Pbgra32);
System.Windows.Shapes.Rectangle vRect = new System.Windows.Shapes.Rectangle()
{
Width = size.Width,
Height = size.Height,
Fill = System.Windows.Media.Brushes.White
};
vRect.Measure(size);
vRect.Arrange(new Rect(size));
rtb.Render(vRect);
view.Measure(size);
view.Arrange(new Rect(size));
rtb.Render(view);
return(rtb);
}
