public static void Show(IDocumentPaginatorSource documentPages, double inchesWidth, double inchesHeight, string printJobDesc)
{
var win = new PrintPreviewWindow1();
win.vwr.Document = documentPages;
win.Title = $" Print Preview for “{printJobDesc}” ({documentPages?.DocumentPaginator?.PageCount} sheets on {inchesWidth:N1} x {inchesHeight:N1} inches)";
win.Show();
}
public static void FitTo(double inchesWidth, double inchesHeight, params FrameworkElement[] frameworkElements)
{
var doc = new FixedDocument();
var width = inchesWidth * PPI;
var height = inchesHeight * PPI;
//MessageBox.Show($"page count : {frameworkElements.Length} sheets" + L.f
// + $"paper size : {inchesWidth:N1} x {inchesHeight:N1} inches",
// " Print Preview Summary",
// MessageBoxButton.OK, MessageBoxImage.Information);
doc.DocumentPaginator.PageSize = new Size(width, height);
foreach (var ctrl in frameworkElements)
{
var scale = Math.Min(width / ctrl.ActualWidth,
height / ctrl.ActualHeight);
ctrl.LayoutTransform = new ScaleTransform(scale, scale);
var size = new Size(width, height);
ctrl.Measure(size);
((UIElement)ctrl).Arrange(new Rect(new Point(0, 0), size));
var pg = new FixedPage();
pg.Width = doc.DocumentPaginator.PageSize.Width;
pg.Height = doc.DocumentPaginator.PageSize.Height;
var ctxt = ctrl.DataContext;
var panl = ctrl.Parent as Panel;
if (panl == null)
{
throw new InvalidCastException($"Parent control of {ctrl.Name} must be a type of ‹Panel›.");
}
panl.Children.Remove(ctrl);
pg.Children.Add(ctrl);
ctrl.DataContext = ctxt;
var pgContent = new PageContent();
pgContent.Child = pg;
doc.Pages.Add(pgContent);
}
//var win = new PrintPreviewWindow1();
//win.vwr.Document = doc;
//win.Title = $" Print Preview for {frameworkElements.Length} sheets on {inchesWidth:N1} x {inchesHeight:N1} inches";
//win.Show();
PrintPreviewWindow1.Show(doc, inchesWidth, inchesHeight, "UI elements");
}