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



Provides extra options for loading and saving PNG images.

Object Model



Syntax

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

Example

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

   Dim srcFileName As String = LeadtoolsExamples.Common.ImagesPath.Path + "Image1.cmp"
   Dim image As RasterImage = codecs.Load(srcFileName)

   ' save with maximum quality
   codecs.Options.Png.Save.QualityFactor = 1
   codecs.Save(image, LeadtoolsExamples.Common.ImagesPath.Path + "quality.png", RasterImageFormat.Png, image.BitsPerPixel)

   ' save with maximum compression
   codecs.Options.Png.Save.QualityFactor = 9
   codecs.Save(image, LeadtoolsExamples.Common.ImagesPath.Path + "compression.png", RasterImageFormat.Png, image.BitsPerPixel)

   ' Clean up
   image.Dispose()
   codecs.Dispose()
   RasterCodecs.Shutdown()
End Sub
C#Copy Code
public void CodecsPngOptionsExample() 
{ 
   RasterCodecs.Startup(); 
   RasterCodecs codecs = new RasterCodecs(); 
 
   string srcFileName = LeadtoolsExamples.Common.ImagesPath.Path + "Image1.cmp"; 
   RasterImage image = codecs.Load(srcFileName); 
 
   // save with maximum quality 
   codecs.Options.Png.Save.QualityFactor = 1; 
   codecs.Save(image,  LeadtoolsExamples.Common.ImagesPath.Path + "quality.png", RasterImageFormat.Png, image.BitsPerPixel); 
 
   // save with maximum compression 
   codecs.Options.Png.Save.QualityFactor = 9; 
   codecs.Save(image,  LeadtoolsExamples.Common.ImagesPath.Path + "compression.png", RasterImageFormat.Png, image.BitsPerPixel); 
 
   // Clean up 
   image.Dispose(); 
   codecs.Dispose(); 
   RasterCodecs.Shutdown(); 
}

Inheritance Hierarchy

System.Object
   Leadtools.Codecs.CodecsPngOptions

Requirements

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

See Also