GetBox Method

Summary

Gets a box of the specified type for the engine.

Syntax

C++/CLI

Python

public Jpeg2000SingleBox GetBox( 
   Jpeg2000FileFormat format, 
   Jpeg2000BoxType boxType 
)

public: 
Jpeg2000SingleBox^ GetBox(  
   Jpeg2000FileFormat format, 
   Jpeg2000BoxType boxType 
)

def GetBox(self,format,boxType):

Parameters

format
Jpeg2000FileFormat specifies the JPEG 2000 engine.

boxType
Type of box being obtained.

Return Value

Jpeg2000SingleBox object containing the box data for the specified boxType.

Remarks

This method is used to get the following types of boxes:

Example

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.Jpeg2000; 
 
 
public void SaveStringExample() 
{ 
   RasterCodecs codecs = new RasterCodecs(); 
   codecs.ThrowExceptionsOnInvalidImages = true; 
 
   // Load a JPEG 2000 image 
   Jpeg2000Engine engine = new Jpeg2000Engine(); 
   RasterImage image = engine.Load(codecs, Path.Combine(LEAD_VARS.ImagesDir, "image1.jp2"), 0, CodecsLoadByteOrder.BgrOrGray); 
 
   List<XmlBox> xmlBoxes = engine.GetBoxes<XmlBox>(Jpeg2000FileFormat.LeadJp2); 
   ResolutionBox resBox = (ResolutionBox)engine.GetBox(Jpeg2000FileFormat.LeadJp2, Jpeg2000BoxType.ResolutionBox); 
 
   engine.ResetEngineBoxes(); 
   //Set the JPX engine's XML box 
   engine.SetBoxes(Jpeg2000FileFormat.LeadJpx, xmlBoxes); 
   engine.SetBox(Jpeg2000FileFormat.LeadJpx, resBox); 
   //Save the image in JPX file format 
   engine.Save(codecs, Path.Combine(LEAD_VARS.ImagesDir, "Test.jpx"), image, Jpeg2000FileFormat.LeadJpx, 24, 5); 
   //Append Intellectual Property Rights box 
   String copyRights = ("Copyright (c) 1991-2022 by LEAD Technologies, Inc. All Rights Reserved."); 
   IprBox ipr = new IprBox(); 
   ipr.Data = Encoding.ASCII.GetBytes(copyRights); 
   engine.AppendBox(Path.Combine(LEAD_VARS.ImagesDir, "Test.jpx"), ipr); 
   // Clean up 
   engine.Dispose();          
   image.Dispose(); 
   codecs.Dispose(); 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\LEADTOOLS22\Resources\Images"; 
}