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CompositeJpxImages Class

Summary

CompositeJpxImages specifies the layer color, opacity, pre-multiplied opacity, and compression information.

Syntax
C#
C++/CLI
Python
public class CompositeJpxImages 
public ref class CompositeJpxImages  
class CompositeJpxImages: 
Remarks

If an image is not allocated that means the layer has no channel of this type.

Example
C#
using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.Jpeg2000; 
 
 
 
public void SaveCompositeStringExample(byte[] xmlData) 
{ 
   RasterCodecs codecs = new RasterCodecs(); 
   codecs.ThrowExceptionsOnInvalidImages = true; 
 
   // Load a JPEG 2000 image 
   Jpeg2000Engine engine = new Jpeg2000Engine(); 
   List<CompositeJpxImages> images = engine.LoadComposite(codecs, Path.Combine(LEAD_VARS.ImagesDir, "image1.jpx"), 0, CodecsLoadByteOrder.BgrOrGray); 
 
   engine.ResetEngineBoxes(); 
 
   GtsoBox gtsoBox = (GtsoBox)(engine.ReadBox(Path.Combine(LEAD_VARS.ImagesDir, "image1.jpx"), Jpeg2000BoxType.GtsoBox, 0)); 
   engine.SetBox(Jpeg2000FileFormat.LeadJpx, gtsoBox); 
   //Save the image in JPX file format 
   engine.SaveComposite(codecs, Path.Combine(LEAD_VARS.ImagesDir, "Test.jpx"), images, Jpeg2000FileFormat.LeadJpx, 24, 5); 
   //Append an XML box 
   XmlBox xmlBox = new XmlBox(); 
   xmlBox.Data = xmlData; 
   List<XmlBox> xmlBoxes = new List<XmlBox>(); 
   xmlBoxes.Add(xmlBox); 
   engine.AppendBoxes(Path.Combine(LEAD_VARS.ImagesDir, "Test.jpx"), xmlBoxes); 
   // Clean up 
   foreach (CompositeJpxImages image in images) 
   { 
      image.ColorImage.Dispose(); 
      image.OpacityImage.Dispose(); 
      image.PreOpacityImage.Dispose(); 
   } 
   codecs.Dispose(); 
} 
 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\LEADTOOLS22\Resources\Images"; 
} 
Requirements

Target Platforms

Help Version 22.0.2023.3.31
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Leadtools.Jpeg2000 Assembly

Products | Support | Contact Us | Intellectual Property Notices
© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.