private void RenderPage(Apitron.PDF.Rasterizer.Page page)
{
if (page != null)
{
ErrorLogger logger = new ErrorLogger();
WriteableBitmap bm = page.Render(new Resolution(96, 96), new RenderingSettings(), logger);
myImage.Source = bm;
}
}
private void UpdatePageView()
{
Page currentPage = this.document.Page;
int desiredWidth = (int)currentPage.Width * GlobalScale;
int desiredHeight = (int)currentPage.Height * GlobalScale;
byte[] image = currentPage.RenderAsBytes(desiredWidth, desiredHeight, new RenderingSettings());
IList <Link> links = currentPage.Links;
SetImageSourceDelegate del = this.SetImageSource; //gán sự kiện vào hàm delegate
this.Dispatcher.Invoke(del, image, links, desiredWidth, desiredHeight); //thực hiện hàm
}
private void UpdatePageView()
{
if (recentLocation != 0)
{
document.Document.Navigator.GoToPage(recentLocation);
recentLocation = -1;
}
try
{
Page currentPage = this.document.Page;
int desiredWidth = (int)currentPage.Width * GlobalScale;
int desiredHeight = (int)currentPage.Height * GlobalScale;
byte[] image = currentPage.RenderAsBytes(desiredWidth, desiredHeight, new RenderingSettings());
IList <Link> links = currentPage.Links;
SetImageSourceDelegate del = this.SetImageSource; //add event into delegate
this.Dispatcher.Invoke(del, image, links, desiredWidth, desiredHeight); //execute SetImageSource
}
catch (Exception)
{
}
}
/// <summary>
/// Handles Render button click event
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void OnRenderClicked(object sender, RoutedEventArgs e)
{
// get the assets folder for the app
StorageFolder folder = await Windows.ApplicationModel.Package.Current.InstalledLocation.GetFolderAsync("Assets");
// get the file included in app assets
StorageFile file = await folder.GetFileAsync("testfile.pdf");
// open the file and render first page
using (Stream stream = await file.OpenStreamForReadAsync())
{
Document doc = new Document(stream);
Apitron.PDF.Rasterizer.Page page = doc.Pages[0];
ErrorLogger logger = new ErrorLogger();
WriteableBitmap bm = page.Render((int)page.Width, (int)page.Height, new RenderingSettings(), logger);
myImage.Source = bm;
}
}
