/*
* #%L
* Fork of JAI Image I/O Tools.
* %%
* Copyright (C) 2008 - 2014 Open Microscopy Environment:
* - Board of Regents of the University of Wisconsin-Madison
* - Glencoe Software, Inc.
* - University of Dundee
* %%
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
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* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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/*
* $RCSfile: CompTransfSpec.java,v $
* $Revision: 1.1 $
* $Date: 2005/02/11 05:02:11 $
* $State: Exp $
*
* Class: CompTransfSpec
*
* Description: Component Transformation specification
*
*
*
* COPYRIGHT:
*
* This software module was originally developed by Raphaël Grosbois and
* Diego Santa Cruz (Swiss Federal Institute of Technology-EPFL); Joel
* Askelöf (Ericsson Radio Systems AB); and Bertrand Berthelot, David
* Bouchard, Félix Henry, Gerard Mozelle and Patrice Onno (Canon Research
* Centre France S.A) in the course of development of the JPEG2000
* standard as specified by ISO/IEC 15444 (JPEG 2000 Standard). This
* software module is an implementation of a part of the JPEG 2000
* Standard. Swiss Federal Institute of Technology-EPFL, Ericsson Radio
* Systems AB and Canon Research Centre France S.A (collectively JJ2000
* Partners) agree not to assert against ISO/IEC and users of the JPEG
* 2000 Standard (Users) any of their rights under the copyright, not
* including other intellectual property rights, for this software module
* with respect to the usage by ISO/IEC and Users of this software module
* or modifications thereof for use in hardware or software products
* claiming conformance to the JPEG 2000 Standard. Those intending to use
* this software module in hardware or software products are advised that
* their use may infringe existing patents. The original developers of
* this software module, JJ2000 Partners and ISO/IEC assume no liability
* for use of this software module or modifications thereof. No license
* or right to this software module is granted for non JPEG 2000 Standard
* conforming products. JJ2000 Partners have full right to use this
* software module for his/her own purpose, assign or donate this
* software module to any third party and to inhibit third parties from
* using this software module for non JPEG 2000 Standard conforming
* products. This copyright notice must be included in all copies or
* derivative works of this software module.
*
* Copyright (c) 1999/2000 JJ2000 Partners.
*
*
*
*/
package jj2000.j2k.image;
import jj2000.j2k.image.invcomptransf.*;
import jj2000.j2k.wavelet.*;
import jj2000.j2k.util.*;
import jj2000.j2k.*;
import java.util.*;
/**
* This class extends ModuleSpec class in order to hold tile
* specifications for component transformation
*
* @see ModuleSpec
*
* */
public class CompTransfSpec extends ModuleSpec{
/**
* Constructs an empty 'CompTransfSpec' with specified number of
* tile and components. This constructor is called by the
* decoder. Note: The number of component is here for symmetry
* purpose. It is useless since only tile specifications are
* meaningful.
*
* @param nt Number of tiles
*
* @param nc Number of components
*
* @param type the type of the specification module i.e. tile specific,
* component specific or both.
*
*/
public CompTransfSpec(int nt, int nc, byte type){
super(nt, nc, type);
}
/**
* Check if component transformation is used in any of the tiles. This
* method must not be used by the encoder.
*
* @return True if a component transformation is used in at least on
* tile.
*
*/
public boolean isCompTransfUsed(){
if( ((Integer)def).intValue() != InvCompTransf.NONE ){
return true;
}
if(tileDef!=null){
for(int t=nTiles-1; t>=0; t--){
if(tileDef[t]!=null &&
( ((Integer)tileDef[t]).intValue() != InvCompTransf.NONE) ){
return true;
}
}
}
return false;
}
}