corrade-vassal – Rev 1
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/*
* CVS identifier:
*
* $Id: CompTransfSpec.java,v 1.18 2001/04/10 14:23:26 grosbois 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.
* */
using System;
using CSJ2K.j2k.image.invcomptransf;
using CSJ2K.j2k.wavelet;
using CSJ2K.j2k.util;
using CSJ2K.j2k;
namespace CSJ2K.j2k.image
{
/// <summary> This class extends the ModuleSpec class in order to hold tile
/// specifications for multiple component transformation
///
/// </summary>
/// <seealso cref="ModuleSpec">
///
/// </seealso>
public class CompTransfSpec:ModuleSpec
{
/// <summary> Check if component transformation is used in any of the tiles. This
/// method must not be used by the encoder.
///
/// </summary>
/// <returns> True if a component transformation is used in at least on
/// tile.
///
/// </returns>
virtual public bool CompTransfUsed
{
get
{
if (((System.Int32) def) != InvCompTransf.NONE)
{
return true;
}
if (tileDef != null)
{
for (int t = nTiles - 1; t >= 0; t--)
{
if (tileDef[t] != null && (((System.Int32) tileDef[t]) != InvCompTransf.NONE))
{
return true;
}
}
}
return false;
}
}
/// <summary> Constructs an empty 'CompTransfSpec' with the specified number of tiles
/// 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.
///
/// </summary>
/// <param name="nt">Number of tiles
///
/// </param>
/// <param name="nc">Number of components
///
/// </param>
/// <param name="type">the type of the specification module i.e. tile specific,
/// component specific or both.
///
/// </param>
public CompTransfSpec(int nt, int nc, byte type):base(nt, nc, type)
{
}
}
}
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