public void RebuildVisual()
{
//Logging.Info("+HighlightsRenderer RebuildVisual() on page {0}", page);
if (null == pdf_document)
{
Source = null;
return;
}
if (double.IsNaN(Width) || double.IsNaN(Height))
{
Source = null;
return;
}
// We use a smaller image than necessary as we do not need high resolution to represent the highlights
double scaled_capped_width = Math.Min(Width, 300);
double scaled_capped_height = Height * scaled_capped_width / Width;
using (Bitmap raster_bitmap = PDFOverlayRenderer.RenderHighlights((int)scaled_capped_width, (int)scaled_capped_height, pdf_document, page))
{
Source = BitmapImageTools.FromBitmap(raster_bitmap);
}
//Logging.Info("-HighlightsRenderer RebuildVisual() on page {0}", page);
}
private static PageContent generatePageContent(
Bitmap bitmap,
int top, int bottom,
double pageWidth, double PageHeight,
PrintCapabilities capabilities
)
{
FixedPage printDocumentPage = new FixedPage();
printDocumentPage.Width = pageWidth;
printDocumentPage.Height = PageHeight;
int newImageHeight = bottom - top;
Bitmap bmpPage = BitmapImageTools.CropBitmapRegion(bitmap, 0, top, bitmap.Width, newImageHeight);
BitmapSource bmpSource = BitmapImageTools.FromBitmap(bmpPage);
// Create a new bitmap for the contents of this page
Image pageImage = new Image();
pageImage.Source = bmpSource;
pageImage.VerticalAlignment = VerticalAlignment.Center;
// Place the bitmap on the page
printDocumentPage.Children.Add(pageImage);
PageContent pageContent = new PageContent();
((IAddChild)pageContent).AddChild(printDocumentPage);
pageImage.Width = capabilities.PageImageableArea.ExtentWidth;
pageImage.Height = capabilities.PageImageableArea.ExtentHeight;
FixedPage.SetLeft(pageImage, capabilities.PageImageableArea.OriginWidth);
FixedPage.SetTop(pageImage, capabilities.PageImageableArea.OriginHeight);
return(pageContent);
}
public void RebuildVisual()
{
WPFDoEvents.AssertThisCodeIsRunningInTheUIThread();
//Logging.Info("+HighlightsRenderer RebuildVisual() on page {0}", page);
if (null == pdf_document)
{
Source = null;
return;
}
if (double.IsNaN(Width) || double.IsNaN(Height))
{
Source = null;
return;
}
// We use a smaller image than necessary as we do not need high resolution to represent the highlights
double scaled_capped_width = Math.Min(Width, 300);
double scaled_capped_height = Height * scaled_capped_width / Width;
SafeThreadPool.QueueUserWorkItem(o =>
{
BitmapSource bmp;
using (Bitmap raster_bitmap = PDFOverlayRenderer.RenderHighlights((int)scaled_capped_width, (int)scaled_capped_height, pdf_document, page))
{
bmp = BitmapImageTools.FromBitmap(raster_bitmap);
}
WPFDoEvents.InvokeAsyncInUIThread(() =>
{
Source = bmp;
});
//Logging.Info("-HighlightsRenderer RebuildVisual() on page {0}", page);
});
}
