112 lines
3.8 KiB
C#
112 lines
3.8 KiB
C#
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/*
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* CVS identifier:
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*
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* $Id: CompTransfSpec.java,v 1.18 2001/04/10 14:23:26 grosbois Exp $
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*
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* Class: CompTransfSpec
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*
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* Description: Component Transformation specification
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*
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*
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*
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* COPYRIGHT:
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*
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* This software module was originally developed by Rapha<EFBFBD>l Grosbois and
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* Diego Santa Cruz (Swiss Federal Institute of Technology-EPFL); Joel
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* Askel<EFBFBD>f (Ericsson Radio Systems AB); and Bertrand Berthelot, David
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* Bouchard, F<EFBFBD>lix Henry, Gerard Mozelle and Patrice Onno (Canon Research
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* Centre France S.A) in the course of development of the JPEG2000
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* standard as specified by ISO/IEC 15444 (JPEG 2000 Standard). This
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* software module is an implementation of a part of the JPEG 2000
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* Standard. Swiss Federal Institute of Technology-EPFL, Ericsson Radio
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* Systems AB and Canon Research Centre France S.A (collectively JJ2000
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* Partners) agree not to assert against ISO/IEC and users of the JPEG
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* 2000 Standard (Users) any of their rights under the copyright, not
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* including other intellectual property rights, for this software module
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* with respect to the usage by ISO/IEC and Users of this software module
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* or modifications thereof for use in hardware or software products
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* claiming conformance to the JPEG 2000 Standard. Those intending to use
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* this software module in hardware or software products are advised that
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* their use may infringe existing patents. The original developers of
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* this software module, JJ2000 Partners and ISO/IEC assume no liability
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* for use of this software module or modifications thereof. No license
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* or right to this software module is granted for non JPEG 2000 Standard
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* conforming products. JJ2000 Partners have full right to use this
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* software module for his/her own purpose, assign or donate this
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* software module to any third party and to inhibit third parties from
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* using this software module for non JPEG 2000 Standard conforming
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* products. This copyright notice must be included in all copies or
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* derivative works of this software module.
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*
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* Copyright (c) 1999/2000 JJ2000 Partners.
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* */
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using System;
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using CSJ2K.j2k.image.invcomptransf;
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using CSJ2K.j2k.wavelet;
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using CSJ2K.j2k.util;
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using CSJ2K.j2k;
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namespace CSJ2K.j2k.image
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{
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/// <summary> This class extends the ModuleSpec class in order to hold tile
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/// specifications for multiple component transformation
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///
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/// </summary>
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/// <seealso cref="ModuleSpec">
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///
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/// </seealso>
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public class CompTransfSpec:ModuleSpec
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{
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/// <summary> Check if component transformation is used in any of the tiles. This
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/// method must not be used by the encoder.
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///
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/// </summary>
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/// <returns> True if a component transformation is used in at least on
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/// tile.
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///
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/// </returns>
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virtual public bool CompTransfUsed
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{
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get
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{
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if (((System.Int32) def) != InvCompTransf.NONE)
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{
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return true;
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}
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if (tileDef != null)
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{
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for (int t = nTiles - 1; t >= 0; t--)
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{
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if (tileDef[t] != null && (((System.Int32) tileDef[t]) != InvCompTransf.NONE))
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{
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return true;
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}
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}
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}
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return false;
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}
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}
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/// <summary> Constructs an empty 'CompTransfSpec' with the specified number of tiles
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/// and components. This constructor is called by the decoder. Note: The
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/// number of component is here for symmetry purpose. It is useless since
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/// only tile specifications are meaningful.
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///
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/// </summary>
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/// <param name="nt">Number of tiles
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///
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/// </param>
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/// <param name="nc">Number of components
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///
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/// </param>
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/// <param name="type">the type of the specification module i.e. tile specific,
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/// component specific or both.
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///
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/// </param>
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public CompTransfSpec(int nt, int nc, byte type):base(nt, nc, type)
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{
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}
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}
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}
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