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



Provides extra options for loading and saving TIFF images.

Object Model



Syntax

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

Example

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

   Dim srcFileName As String = LeadtoolsExamples.Common.ImagesPath.Path + "OCR1.TIF"

   ' Get all Information about the Tiff file that you want to load.
   Dim imageInfo As CodecsImageInfo = codecs.GetInformation(srcFileName, True)

   If imageInfo.Tiff.IsImageFileDirectoryOffsetValid Then
      codecs.Options.Tiff.Load.ImageFileDirectoryOffset = imageInfo.Tiff.ImageFileDirectoryOffset
      codecs.Options.Tiff.Save.ImageFileDirectoryOffset = imageInfo.Tiff.ImageFileDirectoryOffset
   End If

   codecs.Options.Tiff.Load.UseImageFileDirectoryOffset = imageInfo.Tiff.IsImageFileDirectoryOffsetValid
   codecs.Options.Tiff.Save.UseImageFileDirectoryOffset = imageInfo.Tiff.IsImageFileDirectoryOffsetValid

   codecs.Options.Tiff.Load.IgnorePhotometricInterpretation = True

   Dim image As RasterImage = codecs.Load(srcFileName)

   codecs.Options.Tiff.Save.NoPalette = imageInfo.Tiff.HasNoPalette
   codecs.Options.Tiff.Save.PreservePalette = imageInfo.Tiff.HasNoPalette

   'Set the tiffSave options
   codecs.Options.Tiff.Save.NoPageNumber = False
   codecs.Options.Tiff.Save.NoSubFileType = False
   codecs.Options.Tiff.Save.UsePhotometricInterpretation = True
   codecs.Options.Tiff.Save.PhotometricInterpretation = CodecsTiffPhotometricInterpretation.YcbCr
   codecs.Options.Tiff.Save.UseTileSize = True
   codecs.Options.Tiff.Save.TileHeight = 200
   codecs.Options.Tiff.Save.TileWidth = 200

   'saving the image
   codecs.Save(image, LeadtoolsExamples.Common.ImagesPath.Path + "testtiff1.TIF", RasterImageFormat.Tif, image.BitsPerPixel, 1, image.PageCount, 1, CodecsSavePageMode.Overwrite)

   'change some tiffsave options.
   codecs.Options.Tiff.Save.NoPageNumber = True
   codecs.Options.Tiff.Save.NoSubFileType = True
   codecs.Options.Tiff.Save.UsePhotometricInterpretation = False
   codecs.Options.Tiff.Save.UseTileSize = False
   codecs.Options.Tiff.Save.NoPalette = False
   codecs.Options.Tiff.Save.PreservePalette = True
   codecs.Options.Tiff.Save.PhotometricInterpretation = CodecsTiffPhotometricInterpretation.Palette

   'save the image with different name.
   codecs.Save(image, LeadtoolsExamples.Common.ImagesPath.Path + "testtiff2.TIF", RasterImageFormat.CcittGroup4, image.BitsPerPixel, 1, image.PageCount, 1, CodecsSavePageMode.Overwrite)

   ' Clean up
   image.Dispose()
   codecs.Dispose()
   RasterCodecs.Shutdown()
End Sub
C#Copy Code
public void CodecsTiffOptionsExample() 
{ 
   RasterCodecs.Startup(); 
   RasterCodecs codecs = new RasterCodecs(); 
 
   string srcFileName = LeadtoolsExamples.Common.ImagesPath.Path + "OCR1.TIF"; 
 
   // Get all Information about the Tiff file that you want to load. 
   CodecsImageInfo imageInfo = codecs.GetInformation(srcFileName, true); 
 
   if (imageInfo.Tiff.IsImageFileDirectoryOffsetValid) 
   { 
      codecs.Options.Tiff.Load.ImageFileDirectoryOffset = imageInfo.Tiff.ImageFileDirectoryOffset; 
      codecs.Options.Tiff.Save.ImageFileDirectoryOffset = imageInfo.Tiff.ImageFileDirectoryOffset; 
   } 
 
   codecs.Options.Tiff.Load.UseImageFileDirectoryOffset = imageInfo.Tiff.IsImageFileDirectoryOffsetValid; 
   codecs.Options.Tiff.Save.UseImageFileDirectoryOffset = imageInfo.Tiff.IsImageFileDirectoryOffsetValid; 
 
   codecs.Options.Tiff.Load.IgnorePhotometricInterpretation = true; 
 
   RasterImage image = codecs.Load(srcFileName); 
 
   codecs.Options.Tiff.Save.NoPalette = imageInfo.Tiff.HasNoPalette; 
   codecs.Options.Tiff.Save.PreservePalette = imageInfo.Tiff.HasNoPalette; 
 
   //Set the tiffSave options 
   codecs.Options.Tiff.Save.NoPageNumber = false; 
   codecs.Options.Tiff.Save.NoSubFileType = false; 
   codecs.Options.Tiff.Save.UsePhotometricInterpretation = true; 
   codecs.Options.Tiff.Save.PhotometricInterpretation = CodecsTiffPhotometricInterpretation.YcbCr; 
   codecs.Options.Tiff.Save.UseTileSize = true; 
   codecs.Options.Tiff.Save.TileHeight = 200; 
   codecs.Options.Tiff.Save.TileWidth = 200; 
 
   //saving the image 
   codecs.Save(image,  LeadtoolsExamples.Common.ImagesPath.Path + "testtiff1.TIF", RasterImageFormat.Tif, image.BitsPerPixel, 1, image.PageCount, 1, CodecsSavePageMode.Overwrite); 
 
   //change some tiffsave options. 
   codecs.Options.Tiff.Save.NoPageNumber = true; 
   codecs.Options.Tiff.Save.NoSubFileType = true; 
   codecs.Options.Tiff.Save.UsePhotometricInterpretation = false; 
   codecs.Options.Tiff.Save.UseTileSize = false; 
   codecs.Options.Tiff.Save.NoPalette = false; 
   codecs.Options.Tiff.Save.PreservePalette = true; 
   codecs.Options.Tiff.Save.PhotometricInterpretation = CodecsTiffPhotometricInterpretation.Palette; 
 
   //save the image with different name. 
   codecs.Save(image,  LeadtoolsExamples.Common.ImagesPath.Path + "testtiff2.TIF", RasterImageFormat.CcittGroup4, image.BitsPerPixel, 1, image.PageCount, 1, CodecsSavePageMode.Overwrite); 
 
   // Clean up 
   image.Dispose(); 
   codecs.Dispose(); 
   RasterCodecs.Shutdown(); 
}

Inheritance Hierarchy

System.Object
   Leadtools.Codecs.CodecsTiffOptions

Requirements

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

See Also