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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
Managed Extensions for C++ 
public __gc class CodecsPngOptions
C++/CLI 
public ref class CodecsPngOptions

Example

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

         Dim srcFileName As String = "C:\Program Files\LEAD Technologies\LEADTOOLS 15\Images\Image1.cmp"
         Dim image As RasterImage = codecs.Load(srcFileName)

         ' save with maximum quality
         codecs.Options.Png.Save.QualityFactor = 1
         codecs.Save(image, "C:\Program Files\LEAD Technologies\LEADTOOLS 15\Images\quality.png", RasterImageFormat.Png, image.BitsPerPixel)

         ' save with maximum compression
         codecs.Options.Png.Save.QualityFactor = 9
         codecs.Save(image, "C:\Program Files\LEAD Technologies\LEADTOOLS 15\Images\compression.png", RasterImageFormat.Png, image.BitsPerPixel)

         ' Clean up
         image.Dispose()
         codecs.Dispose()
         RasterCodecs.Shutdown()
      End Sub
C#Copy Code
CodecsPngOptions 
      public void CodecsPngOptionsExample() 
      { 
         RasterCodecs.Startup(); 
         RasterCodecs codecs = new RasterCodecs(); 
 
         string srcFileName = @"C:\Program Files\LEAD Technologies\LEADTOOLS 15\Images\Image1.cmp"; 
         RasterImage image = codecs.Load(srcFileName); 
 
         // save with maximum quality 
         codecs.Options.Png.Save.QualityFactor = 1; 
         codecs.Save(image, @"C:\Program Files\LEAD Technologies\LEADTOOLS 15\Images\quality.png", RasterImageFormat.Png, image.BitsPerPixel); 
 
         // save with maximum compression 
         codecs.Options.Png.Save.QualityFactor = 9; 
         codecs.Save(image, @"C:\Program Files\LEAD Technologies\LEADTOOLS 15\Images\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 2.0, Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family

See Also