public void ProcessKeyPress(KeyEventArgs e)
{
if (false)
{
}
else if (Key.P == e.Key)
{
PDFAnnotation pdf_annotation = pdf_annotation_node_content.PDFAnnotation.Underlying;
PDFDocument pdf_document = pdf_annotation_node_content.PDFDocument.Underlying;
int target_resolution = 150;
int actual_resolution = target_resolution;
double resolution_rescale_factor = 1;
Image annotation_image = PDFAnnotationToImageRenderer.RenderAnnotation(pdf_document, pdf_annotation, actual_resolution);
BitmapSource cropped_image_page = BitmapImageTools.FromImage(annotation_image, (int)(annotation_image.Width * resolution_rescale_factor), (int)(annotation_image.Height * resolution_rescale_factor));
ImageIcon.Source = cropped_image_page;
ImageIcon.Width = cropped_image_page.Width / 2;
TextText.MaxWidth = ImageIcon.Width;
e.Handled = true;
}
}
private static void BackgroundRenderImages_BACKGROUND(FlowDocument flow_document, List <AnnotationWorkGenerator.AnnotationWork> annotation_works, AnnotationReportOptions annotation_report_options)
{
Thread.Sleep(annotation_report_options.InitialRenderDelayMilliseconds);
PDFDocument last_pdf_document = null;
StatusManager.Instance.ClearCancelled("AnnotationReportBackground");
for (int j = 0; j < annotation_works.Count; ++j)
{
StatusManager.Instance.UpdateStatus("AnnotationReportBackground", "Building annotation report image", j, annotation_works.Count, true);
if (StatusManager.Instance.IsCancelled("AnnotationReportBackground"))
{
Logging.Warn("User cancelled annotation report generation");
break;
}
AnnotationWorkGenerator.AnnotationWork annotation_work = annotation_works[j];
PDFDocument pdf_document = annotation_work.pdf_document;
// Clear down our previously caches pages
if (null != last_pdf_document && last_pdf_document != pdf_document)
{
if (last_pdf_document.DocumentExists)
{
last_pdf_document.PDFRenderer.FlushCachedPageRenderings();
}
}
// Remember this PDF document so we can flush it if necessary
last_pdf_document = pdf_document;
// Now render each image
PDFAnnotation pdf_annotation = annotation_work.pdf_annotation;
if (null != pdf_annotation)
{
try
{
// Clear the waiting for processing text
annotation_work.processing_error.Dispatcher.Invoke(new Action(() =>
{
annotation_work.processing_error.Text = "";
}
), DispatcherPriority.Background);
if (pdf_document.DocumentExists)
{
// Fill in the paragraph text
if (null != annotation_work.annotation_paragraph)
{
annotation_work.processing_error.Dispatcher.Invoke(
new Action(() => BuildAnnotationWork_FillAnnotationText(pdf_document, pdf_annotation, annotation_work)),
DispatcherPriority.Background);
}
if (null != annotation_work.report_floater)
{
annotation_work.processing_error.Dispatcher.Invoke(new Action(() =>
{
try
{
System.Drawing.Image annotation_image = PDFAnnotationToImageRenderer.RenderAnnotation(pdf_document, pdf_annotation, 80);
BitmapSource cropped_image_page = BitmapImageTools.FromImage(annotation_image);
annotation_work.report_image.Source = cropped_image_page;
annotation_work.report_floater.Width = new FigureLength(cropped_image_page.PixelWidth / 1);
}
catch (Exception ex)
{
Logging.Warn(ex, "There was a problem while rendering an annotation.");
annotation_work.report_image.Source = Icons.GetAppIcon(Icons.AnnotationReportImageError);
annotation_work.processing_error.Text = "There was a problem while rendering this annotation.";
}
}
), DispatcherPriority.Background);
}
}
else
{
annotation_work.processing_error.Dispatcher.Invoke(new Action(() =>
{
if (null != annotation_work.report_image)
{
annotation_work.report_image.Source = Icons.GetAppIcon(Icons.AnnotationReportImageError);
}
annotation_work.processing_error.Text = "Can't show image: The PDF does not exist locally.";
}
), DispatcherPriority.Background);
}
}
catch (Exception ex)
{
Logging.Error(ex, "There was an error while rendering page {0} for document {1} for the annotation report", pdf_annotation.Page, pdf_annotation.DocumentFingerprint);
annotation_work.processing_error.Dispatcher.Invoke(new Action(() =>
{
if (null != annotation_work.report_image)
{
annotation_work.report_image.Source = Icons.GetAppIcon(Icons.AnnotationReportImageError);
}
annotation_work.processing_error.Text = "Can't show image: There was an error rendering the metadata image.";
}
), DispatcherPriority.Background);
}
}
}
// And flush the rendering cache of the last document
if (null != last_pdf_document)
{
if (last_pdf_document.DocumentExists)
{
last_pdf_document.PDFRenderer.FlushCachedPageRenderings();
}
}
StatusManager.Instance.ClearStatus("AnnotationReportBackground");
}
