public static void TestPDFRenderer()
{
PDFRenderer renderer = new PDFRenderer(TEST_PDF_FILENAME, null, null);
while (true)
{
for (int i = 1; i < 10; ++i)
{
Logging.Info("Asking for page {0}", i);
Image image = Image.FromStream(new MemoryStream(renderer.GetPageByDPIAsImage(i, 72)));
Logging.Info("Image is {0}", image);
Thread.Sleep(100);
}
}
}
public override DocumentPage GetPage(int page_zero_based)
{
// Hackity hack
WPFDoEvents.DoEvents();
if (null != last_document_page)
{
last_document_page.Dispose();
last_document_page = null;
}
int page = page_from + page_zero_based;
StatusManager.Instance.UpdateStatus("PDFPrinter", String.Format("Printing page {0} of {1}", page_zero_based + 1, this.PageCount), page_zero_based + 1, this.PageCount, true);
// Render a page at 300 DPI...
using (Image image = Image.FromStream(new MemoryStream(pdf_renderer.GetPageByDPIAsImage(page, 300))))
{
PDFOverlayRenderer.RenderAnnotations(image, pdf_document, page, null);
PDFOverlayRenderer.RenderHighlights(image, pdf_document, page);
PDFOverlayRenderer.RenderInks(image, pdf_document, page);
BitmapSource image_page = BitmapImageTools.CreateBitmapSourceFromImage(image);
image_page.Freeze();
DrawingVisual dv = new DrawingVisual();
using (DrawingContext dc = dv.RenderOpen())
{
// Rotate the image if its orientation does not match the printer
if (
page_size.Width < page_size.Height && image_page.Width > image_page.Height ||
page_size.Width > page_size.Height && image_page.Width < image_page.Height
)
{
image_page = new TransformedBitmap(image_page, new RotateTransform(90));
image_page.Freeze();
}
dc.DrawImage(image_page, new Rect(0, 0, page_size.Width, page_size.Height));
}
++total_pages_printed;
last_document_page = new DocumentPage(dv);
return(last_document_page);
}
}
