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CodecsJbigOptions Class
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Leadtools.Codecs Namespace : CodecsJbigOptions Class



Provides extra options for loading and saving JBIG images.

Object Model

CodecsJbigOptions ClassCodecsJbigLoadOptions Class

Syntax

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

Example

Visual BasicCopy Code
Public Sub CodecsJbigOptionsExample()
      Dim codecs As RasterCodecs = New RasterCodecs()

      Dim srcFileName As String = Path.Combine(LEAD_VARS.ImagesDir, "Image1.cmp")
      Dim srcImage As RasterImage = codecs.Load(srcFileName)

      ' Ex: If the file contains the image 
      ' at the following dimensions: 800X600, 
      ' 400X 300 and 200X150 and the user requests 
      ' an image with width equal to 180 for example, 
      ' then LEADTOOLS will automatically know that the 
      ' proper width is 200 and load the image at the (200X150) resolution.         
      codecs.Options.Jbig.Load.Resolution = New LeadSize(180, 0)
      Dim sizes As LeadSize() = New LeadSize(2) {}
      sizes(0) = New LeadSize(800, 600)
      sizes(1) = New LeadSize(400, 300)
      sizes(2) = New LeadSize(200, 150)
      codecs.Options.Save.SetResolutions(sizes)
      codecs.Save(srcImage, Path.Combine(LEAD_VARS.ImagesDir, "Image1_test.jbg"), RasterImageFormat.Jbig, 8)
      srcImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Image1_test.jbg"))

      codecs.Save(srcImage, Path.Combine(LEAD_VARS.ImagesDir, "jbg.bmp"), RasterImageFormat.Bmp, 1)

      ' Clean up
      srcImage.Dispose()
      codecs.Dispose()
   End Sub

Public NotInheritable Class LEAD_VARS
   Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images"
End Class
C#Copy Code
public void CodecsJbigOptionsExample()
   {
      RasterCodecs codecs = new RasterCodecs();

      string srcFileName = Path.Combine(LEAD_VARS.ImagesDir, "Image1.cmp");
      RasterImage srcImage = codecs.Load(srcFileName);

      // Ex: If the file contains the image 
      // at the following dimensions: 800X600, 
      // 400X 300 and 200X150 and the user requests 
      // an image with width equal to 180 for example, 
      // then LEADTOOLS will automatically know that the 
      // proper width is 200 and load the image at the (200X150) resolution.         
      codecs.Options.Jbig.Load.Resolution = new LeadSize(180, 0);
      LeadSize[] sizes = new LeadSize[3];
      sizes[0] = new LeadSize(800,600);
      sizes[1] = new LeadSize(400, 300);
      sizes[2] = new LeadSize(200, 150);
      codecs.Options.Save.SetResolutions(sizes);
      codecs.Save(srcImage,  Path.Combine(LEAD_VARS.ImagesDir, "Image1_test.jbg"), RasterImageFormat.Jbig, 8);
      srcImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Image1_test.jbg"));

      codecs.Save(srcImage,  Path.Combine(LEAD_VARS.ImagesDir,"jbg.bmp"), RasterImageFormat.Bmp, 1);

      // Clean up
      srcImage.Dispose();
      codecs.Dispose();
   }

static class LEAD_VARS
{
   public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
}
SilverlightCSharpCopy Code
public void CodecsJbigOptionsExample(Stream inStream, Stream outStreamJbig, Stream outStreamBmp)
{
   RasterCodecs codecs = new RasterCodecs();
   RasterImage srcImage = codecs.Load(inStream);

   // Ex: If the file contains the image 
   // at the following dimensions: 800X600, 
   // 400X 300 and 200X150 and the user requests 
   // an image with width equal to 180 for example, 
   // then LEADTOOLS will automatically know that the 
   // proper width is 200 and load the image at the (200X150) resolution.         
   codecs.Options.Jbig.Load.Resolution = new LeadSize(180, 0);
   LeadSize[] sizes = new LeadSize[3];
   sizes[0] = new LeadSize(800, 600);
   sizes[1] = new LeadSize(400, 300);
   sizes[2] = new LeadSize(200, 150);
   codecs.Options.Save.SetResolutions(sizes);
   codecs.Save(srcImage, outStreamJbig, RasterImageFormat.Jbig, 8);

   srcImage = codecs.Load(outStreamJbig);
   codecs.Save(srcImage, outStreamBmp, RasterImageFormat.Bmp, 1);

   // Clean up
   srcImage.Dispose();
}
SilverlightVBCopy Code
Public Sub CodecsJbigOptionsExample(ByVal inStream As Stream, ByVal outStreamJbig As Stream, ByVal outStreamBmp As Stream)
   Dim codecs As RasterCodecs = New RasterCodecs()
   Dim srcImage As RasterImage = codecs.Load(inStream)

   ' Ex: If the file contains the image 
   ' at the following dimensions: 800X600, 
   ' 400X 300 and 200X150 and the user requests 
   ' an image with width equal to 180 for example, 
   ' then LEADTOOLS will automatically know that the 
   ' proper width is 200 and load the image at the (200X150) resolution.         
   codecs.Options.Jbig.Load.Resolution = New LeadSize(180, 0)
   Dim sizes As LeadSize() = New LeadSize(2){}
   sizes(0) = New LeadSize(800, 600)
   sizes(1) = New LeadSize(400, 300)
   sizes(2) = New LeadSize(200, 150)
   codecs.Options.Save.SetResolutions(sizes)
   codecs.Save(srcImage, outStreamJbig, RasterImageFormat.Jbig, 8)

   srcImage = codecs.Load(outStreamJbig)
   codecs.Save(srcImage, outStreamBmp, RasterImageFormat.Bmp, 1)

   ' Clean up
   srcImage.Dispose()
End Sub

Inheritance Hierarchy

System.Object
   Leadtools.Codecs.CodecsJbigOptions

Requirements

Target Platforms: Silverlight, Windows XP, Windows Server 2003 family, Windows Server 2008 family, Windows Vista, Windows 7, MAC OS/X (Intel Only)

See Also