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CodecsPdfOptions Class
See Also  Members   Example 
Leadtools.Codecs Namespace : CodecsPdfOptions Class



Provides extra options for loading and saving PDF images.

Object Model



Syntax

Visual Basic (Declaration) 
Public Class CodecsPdfOptions
Visual Basic (Usage)Copy Code
Dim instance As CodecsPdfOptions
C# 
public class CodecsPdfOptions
C++/CLI 
public ref class CodecsPdfOptions

Example

Visual BasicCopy Code
Public Sub CodecsPdfOptionsExample()
   RasterCodecs.Startup()
   Dim codecs As RasterCodecs = New RasterCodecs()

   Dim srcFileName As String = LeadtoolsExamples.Common.ImagesPath.Path + "PDFSegmentation.pdf"

   ' Check if the PDF engine is installed then get the load and save options of the PDF files.
   If codecs.Options.Pdf.IsEngineInstalled Then
      ' Resulting image pixel depth.
      codecs.Options.Pdf.Load.DisplayDepth = 24
      codecs.Options.Pdf.Load.GraphicsAlpha = 4
      codecs.Options.Pdf.Load.Password = ""

      ' Type of font anti-aliasing to use.
      codecs.Options.Pdf.Load.TextAlpha = 4
      codecs.Options.Pdf.Load.UseLibFonts = True

      ' Horizontal,vertical display resolution in dots per inch.
      codecs.Options.Pdf.Load.XResolution = 150
      codecs.Options.Pdf.Load.YResolution = 150

      Dim image As RasterImage = codecs.Load(srcFileName, 0, CodecsLoadByteOrder.BgrOrGray, 1, 1)

      ' Set access rights for the user when he\she opens the file we create
      codecs.Options.Pdf.Save.AssembleDocument = True
      codecs.Options.Pdf.Save.ExtractText = True
      codecs.Options.Pdf.Save.ExtractTextGraphics = True
      codecs.Options.Pdf.Save.PrintDocument = False
      codecs.Options.Pdf.Save.FillForm = True
      codecs.Options.Pdf.Save.ModifyAnnotation = True
      codecs.Options.Pdf.Save.ModifyDocument = True
      codecs.Options.Pdf.Save.OwnerPassword = "LEAD Technologies"
      codecs.Options.Pdf.Save.PrintFaithful = False
      codecs.Options.Pdf.Save.TextEncoding = CodecsPdfTextEncoding.Hex
      codecs.Options.Pdf.Save.Use128BitEncryption = True
      codecs.Options.Pdf.Save.UserPassword = "LEAD"
      codecs.Options.Pdf.Save.SavePdfA = False
      codecs.Options.Pdf.Save.SavePdfv14 = False
      codecs.Options.Pdf.Save.SavePdfv15 = False

      ' Save the image back as PDF
      codecs.Save(image, LeadtoolsExamples.Common.ImagesPath.Path + "PDFSegmentation_test.pdf", RasterImageFormat.RasPdf, 24)

      ' And Load it back
      image.Dispose()
      image = codecs.Load(LeadtoolsExamples.Common.ImagesPath.Path + "PDFSegmentation_test.pdf")
      codecs.Save(image, LeadtoolsExamples.Common.ImagesPath.Path + "pdf.bmp", RasterImageFormat.Bmp, image.BitsPerPixel)
      image.Dispose()
   Else
      MessageBox.Show("PDF Engine is not installed!")
   End If

   ' Clean up
   codecs.Dispose()
   RasterCodecs.Shutdown()
End Sub
C#Copy Code
public void CodecsPdfOptionsExample() 
{ 
   RasterCodecs.Startup(); 
   RasterCodecs codecs = new RasterCodecs(); 
 
   string srcFileName = LeadtoolsExamples.Common.ImagesPath.Path + "PDFSegmentation.pdf"; 
 
   // Check if the PDF engine is installed then get the load and save options of the PDF files. 
   if (codecs.Options.Pdf.IsEngineInstalled) 
   { 
      // Resulting image pixel depth. 
      codecs.Options.Pdf.Load.DisplayDepth = 24; 
      codecs.Options.Pdf.Load.GraphicsAlpha = 4; 
      codecs.Options.Pdf.Load.Password = @""; 
 
      // Type of font anti-aliasing to use. 
      codecs.Options.Pdf.Load.TextAlpha = 4; 
      codecs.Options.Pdf.Load.UseLibFonts = true; 
 
      // Horizontal,vertical  display resolution in dots per inch. 
      codecs.Options.Pdf.Load.XResolution = 150; 
      codecs.Options.Pdf.Load.YResolution = 150; 
 
      RasterImage image = codecs.Load(srcFileName, 0, CodecsLoadByteOrder.BgrOrGray, 1, 1); 
 
      // Set access rights for the user when he\she opens the file we create 
      codecs.Options.Pdf.Save.AssembleDocument = true; 
      codecs.Options.Pdf.Save.ExtractText = true; 
      codecs.Options.Pdf.Save.ExtractTextGraphics = true; 
      codecs.Options.Pdf.Save.PrintDocument = false; 
      codecs.Options.Pdf.Save.FillForm = true; 
      codecs.Options.Pdf.Save.ModifyAnnotation = true; 
      codecs.Options.Pdf.Save.ModifyDocument = true; 
      codecs.Options.Pdf.Save.OwnerPassword = "LEAD Technologies"; 
      codecs.Options.Pdf.Save.PrintFaithful = false; 
      codecs.Options.Pdf.Save.TextEncoding = CodecsPdfTextEncoding.Hex; 
      codecs.Options.Pdf.Save.Use128BitEncryption = true; 
      codecs.Options.Pdf.Save.UserPassword = "LEAD"; 
      codecs.Options.Pdf.Save.SavePdfA = false; 
      codecs.Options.Pdf.Save.SavePdfv14 = false; 
      codecs.Options.Pdf.Save.SavePdfv15 = false; 
 
      // Save the image back as PDF 
      codecs.Save(image,  LeadtoolsExamples.Common.ImagesPath.Path + "PDFSegmentation_test.pdf", Leadtools.RasterImageFormat.RasPdf, 24); 
 
      // And Load it back 
      image.Dispose(); 
      image = codecs.Load( LeadtoolsExamples.Common.ImagesPath.Path + "PDFSegmentation_test.pdf"); 
      codecs.Save(image,  LeadtoolsExamples.Common.ImagesPath.Path + "pdf.bmp", RasterImageFormat.Bmp, image.BitsPerPixel); 
      image.Dispose(); 
   } 
   else 
      MessageBox.Show("PDF Engine is not installed!"); 
 
   // Clean up 
   codecs.Dispose(); 
   RasterCodecs.Shutdown(); 
}

Inheritance Hierarchy

System.Object
   Leadtools.Codecs.CodecsPdfOptions

Requirements

Target Platforms: Microsoft .NET Framework 3.0, Windows XP, Windows Server 2003 family, Windows Server 2008 family

See Also