private void cmdPrintBitmap_Click(object sender, RoutedEventArgs e)
{
PrintDocument document = new PrintDocument();
document.PrintPage += document_PrintPage;
// The PrintBitmap() method always uses bitmap printing.
document.PrintBitmap("My Document - Bitmap Version");
}
/// <summary>
/// The print to printer.
/// </summary>
/// <param name="canvas1">
/// The canvas 1.
/// </param>
/// <param name="canvas2">
/// The canvas 2.
/// </param>
/// <param name="canvas3">
/// The canvas 3.
/// </param>
/// <param name="canvas4">
/// The canvas 4.
/// </param>
/// <returns>
/// The <see cref="BitmapSource"/>.
/// </returns>
public static BitmapSource PrintToPrinter(Canvas canvas1, Canvas canvas2, Canvas canvas3, Canvas canvas4)
{
var wb =
new WriteableBitmap(
(int)Math.Round(canvas1.ActualWidth, 0) + (int)Math.Round(canvas2.ActualWidth, 0),
(int)Math.Round(canvas1.ActualHeight, 0) + (int)Math.Round(canvas3.ActualHeight, 0));
wb.Render(canvas1, null);
wb.Render(canvas2, new TranslateTransform {
X = canvas1.ActualWidth, Y = 0
});
wb.Render(canvas3, new TranslateTransform {
X = 0, Y = canvas1.ActualHeight
});
wb.Render(canvas4, new TranslateTransform {
X = canvas1.ActualWidth, Y = canvas2.ActualHeight
});
wb.Invalidate();
var doc = new PrintDocument();
doc.PrintPage += (s, e) =>
{
e.HasMorePages = false;
var b = new Border {
BorderThickness = new Thickness(0)
};
b.Padding = new Thickness(96.0 / 2.54);
var img = new Image {
Source = wb, Stretch = Stretch.Uniform
};
b.Child = img;
b.Width = e.PrintableArea.Width;
b.Height = e.PrintableArea.Height;
e.PageVisual = b;
};
doc.PrintBitmap("Print Canvases");
return(wb);
}
