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How to convert PDF to tiff in WPF PDFViewer?

Platform: WPF |
Control: PdfViewer |
Published Date: December 31, 2019 |
Last Revised Date: July 28, 2021
Tags: pdf, pdfviewer, c#, tiff

WPF PDF Viewer control supports viewing, reviewing, and printing PDF files in WPF applications. The PDF Viewer also provides a way to convert PDF files into images in a format such as .jpg, .png, and .tiff in C# and VB.NET using the ExportAsImage API. You can use the images in your application to create thumbnails or cover page for a document, and more.

Convert a page of the PDF file into TIFF image

You can refer to the following steps for performing the same:

Step 1: Include the following namespace in the MainWindow.xaml.cs file.

C#

using Syncfusion.Windows.PdfViewer;
using System.IO;
using System.Windows;
using System.Windows.Media.Imaging;

Step 2: Using the following code snippet, a PDF page can be exported as TIFF image.

C#

/// <summary>
/// Exports the PDF pages as Tiff Images.
/// </summary>
/// <param name="fileName">The PDF file name</param>
private void ExportPDFtoTiff(string fileName)
{
 PdfDocumentView pdfViewer = new PdfDocumentView();
 //Load the input PDF file
 pdfViewer.Load(fileName);
 //Export the first page as image .
 BitmapSource image = pdfViewer.ExportAsImage(0);
 if (image != null)
 {
  //Initialize the new Tiff bitmap encoder
  TiffBitmapEncoder encoder = new TiffBitmapEncoder();
  //Set the compression to zip to reduce the file size.
  encoder.Compression = TiffCompressOption.Zip;
  //Create the bitmap frame using the bitmap source and add it to the encoder.
  encoder.Frames.Add(BitmapFrame.Create(image));
  //Create the file stream for the output in the desired image format.
  using (FileStream stream = new FileStream("Image" + ".Tiff", FileMode.Create))
  {
   //Save the stream, so that the image will be generated in the output location.
   encoder.Save(stream);
  }
 }
}

Convert a specific range of pages of the PDF file into TIFF images

You can refer to the following steps for performing the same:

Step 1: Include the following namespace in the MainWindow.xaml.cs file.

C#

using Syncfusion.Windows.PdfViewer;
using System.Windows.Media.Imaging;
using System.IO;

Step 2: Using the following code snippet, the specific range of pages of a PDF file can be exported as TIFF images.

C#

/// <summary>
/// Exports the PDF pages as Tiff Images.
/// </summary>
/// <param name="fileName">The PDF file name</param>
private void ExportPDFtoTiff(string fileName)
{
 PdfDocumentView pdfViewer = new PdfDocumentView();
 //Load the input PDF file
 pdfViewer.Load(fileName);
 //Export the images From the input PDF file at the page range of 0 to 1 .
 BitmapSource[] image = pdfViewer.ExportAsImage(0, pdfViewer.PageCount - 1);
 if (image != null)
 {
  for (int i = 0; i < image.Length; i++)
  {
   //Initialize the new Tiff bitmap encoder
   TiffBitmapEncoder encoder = new TiffBitmapEncoder();
   //Set the compression to zip to reduce the file size.
   encoder.Compression = TiffCompressOption.Zip;
   //Create the bitmap frame using the bitmap source and add it to the encoder.
   encoder.Frames.Add(BitmapFrame.Create(image[i]));
   //Create the file stream for the output in the desired image format.
   using (FileStream stream = new FileStream("Image_" + i.ToString() + ".Tiff", FileMode.Create))
   {
    //Save the stream, so that the image will be generated in the output location.
    encoder.Save(stream);
   }
  }
 }
}

View sample in GitHub.

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