DrawDocument Method

C#
Visual Basic
Objective-C
Java
C++

public void DrawDocument( 
   IntPtr hdc,
   int resolution,
   int pageNumber
)

'Declaration

Public Sub DrawDocument( _
   ByVal hdc As IntPtr, _
   ByVal resolution As Integer, _
   ByVal pageNumber As Integer _
)

'Usage

Dim instance As PDFFile
Dim hdc As IntPtr
Dim resolution As Integer
Dim pageNumber As Integer
 
instance.DrawDocument(hdc, resolution, pageNumber)

public:
void DrawDocument( 
   IntPtr hdc,
   int resolution,
   int pageNumber
)

Parameters

hdc: The HDC where the PDF file should be rendered.
resolution: The resolution at which to render the PDF file.
pageNumber: The page number to be rendered.

C#
Visual Basic
WinRT C#
WinRT JavaScript
Silverlight C#
Silverlight VB

Copy Code

Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.Pdf
Imports Leadtools.WinForms
Imports Leadtools.Svg
Imports Leadtools.ImageProcessing

<TestMethod> _
Public Sub PDFFileDrawDocumentExample()
   Dim sourceFileName As String = Path.Combine(LEAD_VARS.ImagesDir, "Leadtools.pdf")
   Dim destinationFileName As String = Path.Combine(LEAD_VARS.ImagesDir, "LEAD_DrawDocument.tif")
   Dim pdfFile As PDFFile = New PDFFile(sourceFileName)

   ' Create an image
   Using image As RasterImage = New RasterImage(RasterMemoryFlags.Conventional, 2550, 3300, 24, RasterByteOrder.Bgr, RasterViewPerspective.TopLeft, Nothing, Nothing, 0)
      ' Make the image white
      Dim fillCmd As FillCommand = New FillCommand(RasterColor.White)
      fillCmd.Run(image)

      ' Get a handle to the drawing surface
      Dim hDC As IntPtr = RasterImagePainter.CreateLeadDC(image)

      ' Render the image data
      pdfFile.DrawDocument(hDC, 300, 1)

      ' Save the image in another format
      Using codecs As RasterCodecs = New RasterCodecs()
         codecs.Save(image, destinationFileName, RasterImageFormat.TifLzw, image.BitsPerPixel)
      End Using

      ' Clean up
      RasterImagePainter.DeleteLeadDC(hDC)
   End Using
End Sub

Public NotInheritable Class LEAD_VARS
Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images"
End Class

using Leadtools;
using Leadtools.Codecs;
using Leadtools.Controls;
using Leadtools.Drawing;
using Leadtools.ImageProcessing;
using Leadtools.Pdf;
using Leadtools.Svg;
using Leadtools.WinForms;

[TestMethod]
public void PDFFileDrawDocumentExample()
{
   string sourceFileName = Path.Combine(LEAD_VARS.ImagesDir, @"Leadtools.pdf");
   string destinationFileName = Path.Combine(LEAD_VARS.ImagesDir, @"LEAD_DrawDocument.tif");
   PDFFile pdfFile = new PDFFile(sourceFileName);

   // Create an image
   using (RasterImage image = new RasterImage(RasterMemoryFlags.Conventional, 2550, 3300, 24, RasterByteOrder.Bgr, RasterViewPerspective.TopLeft, null, null, 0))
   {
      // Make the image white
      FillCommand fillCmd = new FillCommand(RasterColor.White);
      fillCmd.Run(image);

      // Get a handle to the drawing surface
      IntPtr hDC = RasterImagePainter.CreateLeadDC(image);

      // Render the image data
      pdfFile.DrawDocument(hDC, 300, 1);

      // Save the image in another format
      using (RasterCodecs codecs = new RasterCodecs())
         codecs.Save(image, destinationFileName, RasterImageFormat.TifLzw, image.BitsPerPixel);

      // Clean up
      RasterImagePainter.DeleteLeadDC(hDC);
   }
}

static class LEAD_VARS
{
public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
}

Target Platforms

Reference

PDFFile Class
PDFFile Members