1f9f3ad00b
* Removing CSJ2K.dll from bin/ now that we have it in prebuild.xml git-svn-id: http://libopenmetaverse.googlecode.com/svn/libopenmetaverse/trunk@3119 52acb1d6-8a22-11de-b505-999d5b087335
496 lines
16 KiB
C#
496 lines
16 KiB
C#
/*
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* CVS identifier:
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*
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* $Id: PrecinctSizeSpec.java,v 1.18 2001/09/14 09:26:58 grosbois Exp $
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*
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* Class: PrecinctSizeSpec
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*
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* Description: Specification of the precinct sizes
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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 Raphaël Grosbois and
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* Diego Santa Cruz (Swiss Federal Institute of Technology-EPFL); Joel
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* Askelöf (Ericsson Radio Systems AB); and Bertrand Berthelot, David
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* Bouchard, Félix 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.codestream;
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using CSJ2K.j2k.wavelet;
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using CSJ2K.j2k.image;
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using CSJ2K.j2k.util;
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using CSJ2K.j2k;
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namespace CSJ2K.j2k.entropy
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{
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/// <summary> This class extends ModuleSpec class for precinct partition sizes holding
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/// purposes.
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///
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/// <p>It stores the size a of precinct when precinct partition is used or not.
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/// If precinct partition is used, we can have several packets for a given
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/// resolution level whereas there is only one packet per resolution level if
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/// no precinct partition is used.
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///
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/// </summary>
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public class PrecinctSizeSpec:ModuleSpec
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{
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/// <summary>Name of the option </summary>
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private const System.String optName = "Cpp";
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/// <summary>Reference to wavelet number of decomposition levels for each
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/// tile-component.
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/// </summary>
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private IntegerSpec dls;
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/// <summary> Creates a new PrecinctSizeSpec object for the specified number of tiles
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/// and components.
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///
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/// </summary>
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/// <param name="nt">The number of tiles
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///
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/// </param>
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/// <param name="nc">The 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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/// <param name="dls">Reference to the number of decomposition levels
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/// specification
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///
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/// </param>
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public PrecinctSizeSpec(int nt, int nc, byte type, IntegerSpec dls):base(nt, nc, type)
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{
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this.dls = dls;
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}
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/// <summary> Creates a new PrecinctSizeSpec object for the specified number of tiles
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/// and components and the ParameterList instance.
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///
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/// </summary>
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/// <param name="nt">The number of tiles
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///
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/// </param>
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/// <param name="nc">The 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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/// <param name="imgsrc">The image source (used to get the image size)
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///
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/// </param>
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/// <param name="pl">The ParameterList instance
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///
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/// </param>
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public PrecinctSizeSpec(int nt, int nc, byte type, BlkImgDataSrc imgsrc, IntegerSpec dls, ParameterList pl):base(nt, nc, type)
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{
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this.dls = dls;
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// The precinct sizes are stored in a 2 elements vector array, the
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// first element containing a vector for the precincts width for each
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// resolution level and the second element containing a vector for the
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// precincts height for each resolution level. The precincts sizes are
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// specified from the highest resolution level to the lowest one
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// (i.e. 0). If there are less elements than the number of
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// decomposition levels, the last element is used for all remaining
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// resolution levels (i.e. if the precincts sizes are specified only
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// for resolutions levels 5, 4 and 3, then the precincts size for
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// resolution levels 2, 1 and 0 will be the same as the size used for
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// resolution level 3).
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// Boolean used to know if we were previously reading a precinct's
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// size or if we were reading something else.
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bool wasReadingPrecinctSize = false;
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System.String param = pl.getParameter(optName);
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// Set precinct sizes to default i.e. 2^15 =
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// Markers.PRECINCT_PARTITION_DEF_SIZE
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System.Collections.ArrayList[] tmpv = new System.Collections.ArrayList[2];
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tmpv[0] = System.Collections.ArrayList.Synchronized(new System.Collections.ArrayList(10)); // ppx
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tmpv[0].Add((System.Int32) CSJ2K.j2k.codestream.Markers.PRECINCT_PARTITION_DEF_SIZE);
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tmpv[1] = System.Collections.ArrayList.Synchronized(new System.Collections.ArrayList(10)); // ppy
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tmpv[1].Add((System.Int32) CSJ2K.j2k.codestream.Markers.PRECINCT_PARTITION_DEF_SIZE);
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setDefault(tmpv);
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if (param == null)
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{
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// No precinct size specified in the command line so we do not try
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// to parse it.
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return ;
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}
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// Precinct partition is used : parse arguments
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SupportClass.Tokenizer stk = new SupportClass.Tokenizer(param);
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byte curSpecType = SPEC_DEF; // Specification type of the
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// current parameter
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bool[] tileSpec = null; // Tiles concerned by the specification
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bool[] compSpec = null; // Components concerned by the specification
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int ci, ti; //i, xIdx removed
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bool endOfParamList = false;
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System.String word = null; // current word
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System.Int32 w, h;
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System.String errMsg = null;
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while ((stk.HasMoreTokens() || wasReadingPrecinctSize) && !endOfParamList)
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{
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System.Collections.ArrayList[] v = new System.Collections.ArrayList[2]; // v[0] : ppx, v[1] : ppy
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// We do not read the next token if we were reading a precinct's
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// size argument as we have already read the next token into word.
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if (!wasReadingPrecinctSize)
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{
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word = stk.NextToken();
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}
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wasReadingPrecinctSize = false;
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switch (word[0])
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{
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case 't': // Tiles specification
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tileSpec = parseIdx(word, nTiles);
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if (curSpecType == SPEC_COMP_DEF)
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{
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curSpecType = SPEC_TILE_COMP;
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}
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else
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{
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curSpecType = SPEC_TILE_DEF;
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}
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break;
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case 'c': // Components specification
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compSpec = parseIdx(word, nComp);
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if (curSpecType == SPEC_TILE_DEF)
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{
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curSpecType = SPEC_TILE_COMP;
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}
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else
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{
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curSpecType = SPEC_COMP_DEF;
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}
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break;
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default:
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if (!System.Char.IsDigit(word[0]))
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{
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errMsg = "Bad construction for parameter: " + word;
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throw new System.ArgumentException(errMsg);
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}
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// Initialises Vector objects
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v[0] = System.Collections.ArrayList.Synchronized(new System.Collections.ArrayList(10)); // ppx
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v[1] = System.Collections.ArrayList.Synchronized(new System.Collections.ArrayList(10)); // ppy
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while (true)
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{
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// Now get the precinct dimensions
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try
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{
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// Get precinct width
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w = System.Int32.Parse(word);
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// Get next word in argument list
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try
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{
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word = stk.NextToken();
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}
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catch (System.ArgumentOutOfRangeException)
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{
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errMsg = "'" + optName + "' option : could not " + "parse the precinct's width";
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throw new System.ArgumentException(errMsg);
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}
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// Get precinct height
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h = System.Int32.Parse(word);
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if (w != (1 << MathUtil.log2(w)) || h != (1 << MathUtil.log2(h)))
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{
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errMsg = "Precinct dimensions must be powers of 2";
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throw new System.ArgumentException(errMsg);
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}
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}
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catch (System.FormatException)
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{
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errMsg = "'" + optName + "' option : the argument '" + word + "' could not be parsed.";
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throw new System.ArgumentException(errMsg);
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}
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// Store packet's dimensions in Vector arrays
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v[0].Add(w);
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v[1].Add(h);
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// Try to get the next token
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if (stk.HasMoreTokens())
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{
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word = stk.NextToken();
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if (!System.Char.IsDigit(word[0]))
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{
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// The next token does not start with a digit so
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// it is not a precinct's size argument. We set
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// the wasReadingPrecinctSize booleen such that we
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// know that we don't have to read another token
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// and check for the end of the parameters list.
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wasReadingPrecinctSize = true;
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if (curSpecType == SPEC_DEF)
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{
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setDefault(v);
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}
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else if (curSpecType == SPEC_TILE_DEF)
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{
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for (ti = tileSpec.Length - 1; ti >= 0; ti--)
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{
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if (tileSpec[ti])
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{
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setTileDef(ti, v);
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}
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}
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}
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else if (curSpecType == SPEC_COMP_DEF)
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{
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for (ci = compSpec.Length - 1; ci >= 0; ci--)
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{
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if (compSpec[ci])
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{
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setCompDef(ci, v);
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}
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}
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}
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else
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{
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for (ti = tileSpec.Length - 1; ti >= 0; ti--)
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{
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for (ci = compSpec.Length - 1; ci >= 0; ci--)
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{
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if (tileSpec[ti] && compSpec[ci])
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{
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setTileCompVal(ti, ci, v);
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}
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}
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}
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}
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// Re-initialize
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curSpecType = SPEC_DEF;
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tileSpec = null;
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compSpec = null;
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// Go back to 'normal' parsing
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break;
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}
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else
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{
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// Next token starts with a digit so read it
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}
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}
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else
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{
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// We have reached the end of the parameters list so
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// we store the last precinct's sizes and we stop
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if (curSpecType == SPEC_DEF)
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{
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setDefault(v);
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}
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else if (curSpecType == SPEC_TILE_DEF)
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{
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for (ti = tileSpec.Length - 1; ti >= 0; ti--)
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{
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if (tileSpec[ti])
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{
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setTileDef(ti, v);
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}
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}
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}
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else if (curSpecType == SPEC_COMP_DEF)
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{
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for (ci = compSpec.Length - 1; ci >= 0; ci--)
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{
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if (compSpec[ci])
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{
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setCompDef(ci, v);
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}
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}
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}
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else
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{
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for (ti = tileSpec.Length - 1; ti >= 0; ti--)
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{
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for (ci = compSpec.Length - 1; ci >= 0; ci--)
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{
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if (tileSpec[ti] && compSpec[ci])
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{
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setTileCompVal(ti, ci, v);
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}
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}
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}
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}
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endOfParamList = true;
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break;
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}
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} // while (true)
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break;
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} // switch
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} // while
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}
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/// <summary> Returns the precinct partition width in component 'n' and tile 't' at
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/// resolution level 'rl'. If the tile index is equal to -1 or if the
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/// component index is equal to -1 it means that those should not be taken
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/// into account.
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///
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/// </summary>
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/// <param name="t">The tile index, in raster scan order. Specify -1 if it is not
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/// a specific tile.
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///
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/// </param>
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/// <param name="c">The component index. Specify -1 if it is not a specific
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/// component.
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///
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/// </param>
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/// <param name="rl">The resolution level
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///
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/// </param>
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/// <returns> The precinct partition width in component 'c' and tile 't' at
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/// resolution level 'rl'.
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///
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/// </returns>
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public virtual int getPPX(int t, int c, int rl)
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{
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int mrl, idx;
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System.Collections.ArrayList[] v = null;
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bool tileSpecified = (t != - 1?true:false);
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bool compSpecified = (c != - 1?true:false);
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// Get the maximum number of decomposition levels and the object
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// (Vector array) containing the precinct dimensions (width and
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// height) for the specified (or not) tile/component
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if (tileSpecified && compSpecified)
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{
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mrl = ((System.Int32) dls.getTileCompVal(t, c));
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v = (System.Collections.ArrayList[]) getTileCompVal(t, c);
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}
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else if (tileSpecified && !compSpecified)
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{
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mrl = ((System.Int32) dls.getTileDef(t));
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v = (System.Collections.ArrayList[]) getTileDef(t);
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}
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else if (!tileSpecified && compSpecified)
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{
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mrl = ((System.Int32) dls.getCompDef(c));
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v = (System.Collections.ArrayList[]) getCompDef(c);
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}
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else
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{
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mrl = ((System.Int32) dls.getDefault());
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v = (System.Collections.ArrayList[]) getDefault();
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}
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idx = mrl - rl;
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if (v[0].Count > idx)
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{
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return ((System.Int32) v[0][idx]);
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}
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else
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{
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return ((System.Int32) v[0][v[0].Count - 1]);
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}
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}
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/// <summary> Returns the precinct partition height in component 'n' and tile 't' at
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/// resolution level 'rl'. If the tile index is equal to -1 or if the
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/// component index is equal to -1 it means that those should not be taken
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/// into account.
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///
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/// </summary>
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/// <param name="t">The tile index, in raster scan order. Specify -1 if it is not
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/// a specific tile.
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///
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/// </param>
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/// <param name="c">The component index. Specify -1 if it is not a specific
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/// component.
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///
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/// </param>
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/// <param name="rl">The resolution level.
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///
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/// </param>
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/// <returns> The precinct partition width in component 'n' and tile 't' at
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/// resolution level 'rl'.
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///
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/// </returns>
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public virtual int getPPY(int t, int c, int rl)
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{
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int mrl, idx;
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System.Collections.ArrayList[] v = null;
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bool tileSpecified = (t != - 1?true:false);
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bool compSpecified = (c != - 1?true:false);
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// Get the maximum number of decomposition levels and the object
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// (Vector array) containing the precinct dimensions (width and
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// height) for the specified (or not) tile/component
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if (tileSpecified && compSpecified)
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{
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mrl = ((System.Int32) dls.getTileCompVal(t, c));
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v = (System.Collections.ArrayList[]) getTileCompVal(t, c);
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}
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else if (tileSpecified && !compSpecified)
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{
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mrl = ((System.Int32) dls.getTileDef(t));
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v = (System.Collections.ArrayList[]) getTileDef(t);
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}
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else if (!tileSpecified && compSpecified)
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{
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mrl = ((System.Int32) dls.getCompDef(c));
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v = (System.Collections.ArrayList[]) getCompDef(c);
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}
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else
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{
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mrl = ((System.Int32) dls.getDefault());
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v = (System.Collections.ArrayList[]) getDefault();
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}
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idx = mrl - rl;
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if (v[1].Count > idx)
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{
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return ((System.Int32) v[1][idx]);
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}
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else
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{
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return ((System.Int32) v[1][v[1].Count - 1]);
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}
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}
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}
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} |