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



Provides extra options for loading and saving JPEG and LEAD CMP images.

Object Model



Syntax

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

Example

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

   Dim srcFileName As String = LeadtoolsExamples.Common.ImagesPath.Path + "Slave.jpg"

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

   'Setting Jpeg Load options.
   codecs.Options.Jpeg.Load.DisableMmx = False
   codecs.Options.Jpeg.Load.DisableP3 = False
   codecs.Options.Jpeg.Load.ForceCieLab = True
   codecs.Options.Jpeg.Load.ForceRgbFile = False
   codecs.Options.Jpeg.Load.UseBadJpegPredictor = False

   Dim srcImage As RasterImage = codecs.Load(srcFileName)

   'if the image has stamp then set the Jpeg settings related to the stamp.
   If imageInfo.Jpeg.HasStamp Then
      codecs.Options.Jpeg.Save.FixedPaletteStamp = True
      codecs.Options.Jpeg.Save.JpegStamp = True
      codecs.Options.Jpeg.Save.SaveWithoutTimestamp = False
      codecs.Options.Jpeg.Save.SaveWithStamp = True
      codecs.Options.Jpeg.Save.StampBitsPerPixel = srcImage.BitsPerPixel
      codecs.Options.Jpeg.Save.StampHeight = 100
      codecs.Options.Jpeg.Save.StampWidth = 100
      codecs.Options.Jpeg.Save.YccStamp = False
   End If

   If imageInfo.Jpeg.IsLossless Then
      Console.WriteLine("This is a lossless Jpeg Image")
   Else
      Console.WriteLine("This is not a lossless Jpeg Image")
   End If

   If imageInfo.Jpeg.IsProgressive Then
      codecs.Options.Jpeg.Save.Passes = 0
   End If

   codecs.Options.Jpeg.Save.CmpQualityFactorPredefined = CodecsCmpQualityFactorPredefined.Custom
   codecs.Options.Jpeg.Save.DisableMmx = True
   codecs.Options.Jpeg.Save.DisableP3 = True
   codecs.Options.Jpeg.Save.QualityFactor = 2
   codecs.Options.Jpeg.Save.SaveOldJtif = True

   codecs.Save(srcImage, LeadtoolsExamples.Common.ImagesPath.Path + "jpeg1.jpg", RasterImageFormat.Jpeg, srcImage.BitsPerPixel)

   codecs.Options.Jpeg.Save.FixedPaletteStamp = False
   codecs.Options.Jpeg.Save.JpegStamp = True
   codecs.Options.Jpeg.Save.SaveWithoutTimestamp = True
   codecs.Options.Jpeg.Save.SaveWithStamp = True
   codecs.Options.Jpeg.Save.StampBitsPerPixel = srcImage.BitsPerPixel
   codecs.Options.Jpeg.Save.StampHeight = 75
   codecs.Options.Jpeg.Save.StampWidth = 50
   codecs.Options.Jpeg.Save.YccStamp = True
   codecs.Options.Jpeg.Save.CmpQualityFactorPredefined = CodecsCmpQualityFactorPredefined.MaximumQuality
   codecs.Options.Jpeg.Save.DisableMmx = False
   codecs.Options.Jpeg.Save.DisableP3 = False
   codecs.Options.Jpeg.Save.SaveOldJtif = False

   codecs.Save(srcImage, LeadtoolsExamples.Common.ImagesPath.Path + "jpeg2.jpg", RasterImageFormat.Jpeg, srcImage.BitsPerPixel)

   ' Clean up
   srcImage.Dispose()
   codecs.Dispose()
   RasterCodecs.Shutdown()
End Sub
C#Copy Code
public void CodecsJpegOptionsExample() 
{ 
   RasterCodecs.Startup(); 
   RasterCodecs codecs = new RasterCodecs(); 
 
   string srcFileName = LeadtoolsExamples.Common.ImagesPath.Path + "Slave.jpg"; 
 
   // Get all Information about the Jpeg file that you want to load. 
   CodecsImageInfo imageInfo = codecs.GetInformation(srcFileName, true); 
 
   //Setting Jpeg Load options. 
   codecs.Options.Jpeg.Load.DisableMmx = false; 
   codecs.Options.Jpeg.Load.DisableP3 = false; 
   codecs.Options.Jpeg.Load.ForceCieLab = true; 
   codecs.Options.Jpeg.Load.ForceRgbFile = false; 
   codecs.Options.Jpeg.Load.UseBadJpegPredictor = false; 
 
   RasterImage srcImage = codecs.Load(srcFileName); 
 
   //if the image has stamp then set the Jpeg settings related to the stamp. 
   if (imageInfo.Jpeg.HasStamp) 
   { 
      codecs.Options.Jpeg.Save.FixedPaletteStamp = true; 
      codecs.Options.Jpeg.Save.JpegStamp = true; 
      codecs.Options.Jpeg.Save.SaveWithoutTimestamp = false; 
      codecs.Options.Jpeg.Save.SaveWithStamp = true; 
      codecs.Options.Jpeg.Save.StampBitsPerPixel = srcImage.BitsPerPixel; 
      codecs.Options.Jpeg.Save.StampHeight = 100; 
      codecs.Options.Jpeg.Save.StampWidth = 100; 
      codecs.Options.Jpeg.Save.YccStamp = false; 
   } 
 
   if (imageInfo.Jpeg.IsLossless) 
      Console.WriteLine("This is a lossless Jpeg Image"); 
   else 
      Console.WriteLine("This is not a lossless Jpeg Image"); 
 
   if (imageInfo.Jpeg.IsProgressive) 
      codecs.Options.Jpeg.Save.Passes = 0; 
 
   codecs.Options.Jpeg.Save.CmpQualityFactorPredefined = CodecsCmpQualityFactorPredefined.Custom; 
   codecs.Options.Jpeg.Save.DisableMmx = true; 
   codecs.Options.Jpeg.Save.DisableP3 = true; 
   codecs.Options.Jpeg.Save.QualityFactor = 2; 
   codecs.Options.Jpeg.Save.SaveOldJtif = true; 
 
   codecs.Save(srcImage,  LeadtoolsExamples.Common.ImagesPath.Path + "jpeg1.jpg", RasterImageFormat.Jpeg, srcImage.BitsPerPixel); 
 
   codecs.Options.Jpeg.Save.FixedPaletteStamp = false; 
   codecs.Options.Jpeg.Save.JpegStamp = true; 
   codecs.Options.Jpeg.Save.SaveWithoutTimestamp = true; 
   codecs.Options.Jpeg.Save.SaveWithStamp = true; 
   codecs.Options.Jpeg.Save.StampBitsPerPixel = srcImage.BitsPerPixel; 
   codecs.Options.Jpeg.Save.StampHeight = 75; 
   codecs.Options.Jpeg.Save.StampWidth = 50; 
   codecs.Options.Jpeg.Save.YccStamp = true; 
   codecs.Options.Jpeg.Save.CmpQualityFactorPredefined = CodecsCmpQualityFactorPredefined.MaximumQuality; 
   codecs.Options.Jpeg.Save.DisableMmx = false; 
   codecs.Options.Jpeg.Save.DisableP3 = false; 
   codecs.Options.Jpeg.Save.SaveOldJtif = false; 
 
   codecs.Save(srcImage,  LeadtoolsExamples.Common.ImagesPath.Path + "jpeg2.jpg", RasterImageFormat.Jpeg, srcImage.BitsPerPixel); 
 
   // Clean up 
   srcImage.Dispose(); 
   codecs.Dispose(); 
   RasterCodecs.Shutdown(); 
}

Inheritance Hierarchy

System.Object
   Leadtools.Codecs.CodecsJpegOptions

Requirements

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

See Also