protected override void OnNavigatedTo(System.Windows.Navigation.NavigationEventArgs e)
{
base.OnNavigatedTo(e);
string pageNumber = "";
if (NavigationContext.QueryString.TryGetValue("pagenumber", out pageNumber))
{
PdfFixedDocument document = (Application.Current as App).Document;
var t = Task <PdfArgbIntRenderingSurface> .Factory.StartNew(() =>
{
PdfPageRenderer renderer = new PdfPageRenderer(document.Pages[int.Parse(pageNumber)]);
PdfArgbIntRenderingSurface rs = renderer.CreateRenderingSurface <PdfArgbIntRenderingSurface>(96, 96);
PdfRendererSettings settings = new PdfRendererSettings(96, 96, rs);
renderer.ConvertPageToImage(settings);
return(rs);
})
.ContinueWith(value =>
{
PdfArgbIntRenderingSurface rs = value.Result;
WriteableBitmap wb = new WriteableBitmap(rs.Width, rs.Height);
Array.Copy(rs.Bitmap, wb.Pixels, rs.Bitmap.Length);
pageImage.Width = wb.PixelWidth;
pageImage.Height = wb.PixelHeight;
pageImage.Source = wb;
}, TaskScheduler.FromCurrentSynchronizationContext());
}
}
private void PhoneApplicationPage_Loaded(object sender, RoutedEventArgs e)
{
StreamResourceInfo xfiniumPdf = Application.GetResourceStream(new Uri("xfinium.pdf", UriKind.Relative));
PdfFixedDocument document = new PdfFixedDocument(xfiniumPdf.Stream);
xfiniumPdf.Stream.Close();
(Application.Current as App).Document = document;
int i = 0;
pageThumbnailImages = new Image[document.Pages.Count];
for (i = 0; i < document.Pages.Count; i++)
{
Border border = new Border();
border.BorderThickness = new Thickness(1);
border.BorderBrush = new SolidColorBrush(Colors.Black);
border.Margin = new Thickness(10, 10, 0, 0);
Image pageImage = new Image();
pageImage.Tag = i;
pageImage.Tap += pageImage_Tap;
border.Child = pageImage;
pageThumbnailImages[i] = pageImage;
pageThumbnails.Children.Add(border);
}
for (i = 0; i < document.Pages.Count; i++)
{
int index = i;
var t = Task <PdfArgbIntRenderingSurface> .Factory.StartNew(() =>
{
PdfPageRenderer renderer = new PdfPageRenderer(document.Pages[index]);
PdfArgbIntRenderingSurface rs = renderer.CreateRenderingSurface <PdfArgbIntRenderingSurface>(thumbnailDpi, thumbnailDpi);
PdfRendererSettings settings = new PdfRendererSettings(thumbnailDpi, thumbnailDpi, rs);
renderer.ConvertPageToImage(settings);
return(rs);
})
.ContinueWith(value =>
{
PdfArgbIntRenderingSurface rs = value.Result;
WriteableBitmap wb = new WriteableBitmap(rs.Width, rs.Height);
Array.Copy(rs.Bitmap, wb.Pixels, rs.Bitmap.Length);
pageThumbnailImages[index].Width = wb.PixelWidth;
pageThumbnailImages[index].Height = wb.PixelHeight;
pageThumbnailImages[index].Source = wb;
}, TaskScheduler.FromCurrentSynchronizationContext());
}
}
