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CodecsEcwOptions Class
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Leadtools.Codecs Namespace : CodecsEcwOptions Class



Provides extra options for loading and saving ECW images.

Object Model

CodecsEcwOptions ClassCodecsEcwLoadOptions ClassCodecsEcwSaveOptions Class

Syntax

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

Example

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

      Dim srcFileName As String = Path.Combine(LEAD_VARS.ImagesDir, "OCR1.TIF")
      ' Load the image
      Dim srcImage As RasterImage = codecs.Load(srcFileName)

      ' save with maximum quality
      codecs.Options.Ecw.Save.QualityFactor = 1
      codecs.Save(srcImage, Path.Combine(LEAD_VARS.ImagesDir, "quality.ecw"), RasterImageFormat.Ecw, srcImage.BitsPerPixel)

      ' save with maximum compression
      codecs.Options.Ecw.Save.QualityFactor = 100
      codecs.Save(srcImage, Path.Combine(LEAD_VARS.ImagesDir, "compression.ecw"), RasterImageFormat.Ecw, srcImage.BitsPerPixel)

      ' load a small resolution
      codecs.Options.Ecw.Load.Resolution = New LeadSize(200, 200)
      Dim smallImage As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "quality.ecw"))

      ' Clean up
      smallImage.Dispose()
      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 CodecsEcwOptionsExample()
   {
      RasterCodecs codecs = new RasterCodecs();

      string srcFileName = Path.Combine(LEAD_VARS.ImagesDir, "OCR1.TIF");
      // Load the image
      RasterImage srcImage = codecs.Load(srcFileName);

      // save with maximum quality
      codecs.Options.Ecw.Save.QualityFactor = 1;
      codecs.Save(srcImage,  Path.Combine(LEAD_VARS.ImagesDir, "quality.ecw"), RasterImageFormat.Ecw, srcImage.BitsPerPixel);

      // save with maximum compression
      codecs.Options.Ecw.Save.QualityFactor = 100;
      codecs.Save(srcImage,  Path.Combine(LEAD_VARS.ImagesDir, "compression.ecw"), RasterImageFormat.Ecw, srcImage.BitsPerPixel);

      // load a small resolution
      codecs.Options.Ecw.Load.Resolution = new LeadSize(200, 200);
      RasterImage smallImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "quality.ecw"));

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

static class LEAD_VARS
{
   public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
}
SilverlightCSharpCopy Code
SilverlightVBCopy Code

Inheritance Hierarchy

System.Object
   Leadtools.Codecs.CodecsEcwOptions

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