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
542 lines
16 KiB
C#
542 lines
16 KiB
C#
/*
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* CVS identifier:
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*
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* $Id: CBlkSizeSpec.java,v 1.11 2001/02/14 10:38:18 grosbois Exp $
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*
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* Class: CBlkSizeSpec
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*
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* Description: Specification of the code-blocks size
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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 code-blocks sizes holding purposes.
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///
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/// <P>It stores the size a of code-block.
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///
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/// </summary>
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public class CBlkSizeSpec:ModuleSpec
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{
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/// <summary> Returns the maximum code-block's width
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///
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/// </summary>
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virtual public int MaxCBlkWidth
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{
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get
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{
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return maxCBlkWidth;
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}
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}
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/// <summary> Returns the maximum code-block's height
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///
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/// </summary>
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virtual public int MaxCBlkHeight
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{
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get
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{
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return maxCBlkHeight;
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}
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}
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/// <summary>Name of the option </summary>
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private const System.String optName = "Cblksiz";
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/// <summary>The maximum code-block width </summary>
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private int maxCBlkWidth = 0;
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/// <summary>The maximum code-block height </summary>
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private int maxCBlkHeight = 0;
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/// <summary> Creates a new CBlkSizeSpec object for the specified number of tiles and
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/// 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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public CBlkSizeSpec(int nt, int nc, byte type):base(nt, nc, type)
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{
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}
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/// <summary> Creates a new CBlkSizeSpec object for the specified number of tiles and
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/// 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 CBlkSizeSpec(int nt, int nc, byte type, ParameterList pl):base(nt, nc, type)
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{
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bool firstVal = true;
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System.String param = pl.getParameter(optName);
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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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System.String word = null; // current word
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System.String errMsg = null;
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while (stk.HasMoreTokens())
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{
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word = stk.NextToken();
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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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System.Int32[] dim = new System.Int32[2];
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// Get code-block's width
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try
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{
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dim[0] = System.Int32.Parse(word);
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// Check that width is not >
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// StdEntropyCoderOptions.MAX_CB_DIM
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if (dim[0] > CSJ2K.j2k.entropy.StdEntropyCoderOptions.MAX_CB_DIM)
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{
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errMsg = "'" + optName + "' option : the code-block's " + "width cannot be greater than " + CSJ2K.j2k.entropy.StdEntropyCoderOptions.MAX_CB_DIM;
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throw new System.ArgumentException(errMsg);
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}
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// Check that width is not <
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// StdEntropyCoderOptions.MIN_CB_DIM
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if (dim[0] < CSJ2K.j2k.entropy.StdEntropyCoderOptions.MIN_CB_DIM)
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{
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errMsg = "'" + optName + "' option : the code-block's " + "width cannot be less than " + CSJ2K.j2k.entropy.StdEntropyCoderOptions.MIN_CB_DIM;
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throw new System.ArgumentException(errMsg);
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}
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// Check that width is a power of 2
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if (dim[0] != (1 << MathUtil.log2(dim[0])))
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{
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errMsg = "'" + optName + "' option : the code-block's " + "width must be a power 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 code-block's " + "width could not be parsed.";
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throw new System.ArgumentException(errMsg);
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}
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// Get the next word in option
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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 " + "code-block's height";
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throw new System.ArgumentException(errMsg);
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}
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// Get the code-block's height
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try
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{
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dim[1] = System.Int32.Parse(word);
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// Check that height is not >
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// StdEntropyCoderOptions.MAX_CB_DIM
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if (dim[1] > CSJ2K.j2k.entropy.StdEntropyCoderOptions.MAX_CB_DIM)
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{
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errMsg = "'" + optName + "' option : the code-block's " + "height cannot be greater than " + CSJ2K.j2k.entropy.StdEntropyCoderOptions.MAX_CB_DIM;
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throw new System.ArgumentException(errMsg);
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}
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// Check that height is not <
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// StdEntropyCoderOptions.MIN_CB_DIM
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if (dim[1] < CSJ2K.j2k.entropy.StdEntropyCoderOptions.MIN_CB_DIM)
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{
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errMsg = "'" + optName + "' option : the code-block's " + "height cannot be less than " + CSJ2K.j2k.entropy.StdEntropyCoderOptions.MIN_CB_DIM;
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throw new System.ArgumentException(errMsg);
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}
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// Check that height is a power of 2
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if (dim[1] != (1 << MathUtil.log2(dim[1])))
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{
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errMsg = "'" + optName + "' option : the code-block's " + "height must be a power of 2";
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throw new System.ArgumentException(errMsg);
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}
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// Check that the code-block 'area' (i.e. width*height) is
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// not greater than StdEntropyCoderOptions.MAX_CB_AREA
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if (dim[0] * dim[1] > CSJ2K.j2k.entropy.StdEntropyCoderOptions.MAX_CB_AREA)
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{
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errMsg = "'" + optName + "' option : The " + "code-block's area (i.e. width*height) " + "cannot be greater than " + CSJ2K.j2k.entropy.StdEntropyCoderOptions.MAX_CB_AREA;
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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 code-block's height " + "could not be parsed.";
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throw new System.ArgumentException(errMsg);
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}
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// Store the maximum dimensions if necessary
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if (dim[0] > maxCBlkWidth)
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{
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maxCBlkWidth = dim[0];
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}
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if (dim[1] > maxCBlkHeight)
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{
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maxCBlkHeight = dim[1];
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}
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if (firstVal)
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{
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// This is the first time a value is given so we set it as
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// the default one
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setDefault((System.Object) (dim));
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firstVal = false;
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}
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switch (curSpecType)
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{
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case SPEC_DEF:
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setDefault((System.Object) (dim));
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break;
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case SPEC_TILE_DEF:
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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, (System.Object) (dim));
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}
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}
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break;
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case SPEC_COMP_DEF:
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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, (System.Object) (dim));
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}
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}
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break;
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default:
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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, (System.Object) (dim));
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}
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}
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}
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break;
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}
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break;
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} // end switch
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}
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}
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/// <summary> Returns the code-block width :
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///
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/// <ul>
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/// <li>for the specified tile/component</li>
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/// <li>for the specified tile</li>
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/// <li>for the specified component</li>
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/// <li>default value</li>
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/// </ul>
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///
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/// The value returned depends on the value of the variable 'type' which
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/// can take the following values :<br>
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///
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/// <ul>
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/// <li>SPEC_DEF -> Default value is returned. t and c values are
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/// ignored</li>
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/// <li>SPEC_COMP_DEF -> Component default value is returned. t value is
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/// ignored</li>
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/// <li>SPEC_TILE_DEF -> Tile default value is returned. c value is
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/// ignored</li>
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/// <li>SPEC_TILE_COMP -> Tile/Component value is returned.</li>
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/// </ul>
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///
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/// </summary>
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/// <param name="type">The type of the value we want to be returned
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///
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/// </param>
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/// <param name="t">The tile index
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///
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/// </param>
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/// <param name="c">the component index
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///
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/// </param>
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/// <returns> The code-block width for the specified tile and component
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///
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/// </returns>
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public virtual int getCBlkWidth(byte type, int t, int c)
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{
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//UPGRADE_TODO: The 'System.Int32' structure does not have an equivalent to NULL. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1291'"
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System.Int32[] dim = null;
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switch (type)
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{
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case SPEC_DEF:
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dim = (System.Int32[]) getDefault();
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break;
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case SPEC_COMP_DEF:
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dim = (System.Int32[]) getCompDef(c);
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break;
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case SPEC_TILE_DEF:
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dim = (System.Int32[]) getTileDef(t);
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break;
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case SPEC_TILE_COMP:
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dim = (System.Int32[]) getTileCompVal(t, c);
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break;
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}
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return dim[0];
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}
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/// <summary> Returns the code-block height:
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///
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/// <ul>
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/// <li>for the specified tile/component</li>
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/// <li>for the specified tile</li>
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/// <li>for the specified component</li>
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/// <li>default value</li>
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/// </ul>
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///
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/// The value returned depends on the value of the variable 'type' which
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/// can take the following values :
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///
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/// <ul>
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/// <li>SPEC_DEF -> Default value is returned. t and c values are
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/// ignored</li>
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/// <li>SPEC_COMP_DEF -> Component default value is returned. t value is
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/// ignored</li>
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/// <li>SPEC_TILE_DEF -> Tile default value is returned. c value is
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/// ignored</li>
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/// <li>SPEC_TILE_COMP -> Tile/Component value is returned.</li>
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/// </ul>
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///
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/// </summary>
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/// <param name="type">The type of the value we want to be returned
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///
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/// </param>
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/// <param name="t">The tile index
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///
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/// </param>
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/// <param name="c">the component index
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///
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/// </param>
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/// <returns> The code-block height for the specified tile and component
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///
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/// </returns>
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public virtual int getCBlkHeight(byte type, int t, int c)
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{
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//UPGRADE_TODO: The 'System.Int32' structure does not have an equivalent to NULL. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1291'"
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System.Int32[] dim = null;
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switch (type)
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{
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case SPEC_DEF:
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dim = (System.Int32[]) getDefault();
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break;
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case SPEC_COMP_DEF:
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dim = (System.Int32[]) getCompDef(c);
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break;
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case SPEC_TILE_DEF:
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dim = (System.Int32[]) getTileDef(t);
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break;
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case SPEC_TILE_COMP:
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dim = (System.Int32[]) getTileCompVal(t, c);
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break;
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}
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return dim[1];
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}
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/// <summary> Sets default value for this module
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///
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/// </summary>
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/// <param name="value">Default value
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///
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/// </param>
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public override void setDefault(System.Object value_Renamed)
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{
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base.setDefault(value_Renamed);
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// Store the biggest code-block dimensions
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storeHighestDims((System.Int32[]) value_Renamed);
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}
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/// <summary> Sets default value for specified tile and specValType tag if allowed by
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/// its priority.
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///
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/// </summary>
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/// <param name="c">Tile index.
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///
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/// </param>
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/// <param name="value">Tile's default value
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///
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/// </param>
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public override void setTileDef(int t, System.Object value_Renamed)
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{
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base.setTileDef(t, value_Renamed);
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// Store the biggest code-block dimensions
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storeHighestDims((System.Int32[]) value_Renamed);
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}
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/// <summary> Sets default value for specified component and specValType tag if
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/// allowed by its priority.
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///
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/// </summary>
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/// <param name="c">Component index
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///
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/// </param>
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/// <param name="value">Component's default value
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///
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/// </param>
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public override void setCompDef(int c, System.Object value_Renamed)
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{
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base.setCompDef(c, value_Renamed);
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// Store the biggest code-block dimensions
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storeHighestDims((System.Int32[]) value_Renamed);
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}
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/// <summary> Sets value for specified tile-component.
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///
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/// </summary>
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/// <param name="t">Tie index
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///
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/// </param>
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/// <param name="c">Component index
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///
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/// </param>
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/// <param name="value">Tile-component's value
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///
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/// </param>
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public override void setTileCompVal(int t, int c, System.Object value_Renamed)
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{
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base.setTileCompVal(t, c, value_Renamed);
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// Store the biggest code-block dimensions
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storeHighestDims((System.Int32[]) value_Renamed);
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}
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|
|
|
/// <summary> Stores the highest code-block width and height
|
|
///
|
|
/// </summary>
|
|
/// <param name="dim">The 2 elements array that contains the code-block width and
|
|
/// height.
|
|
///
|
|
/// </param>
|
|
private void storeHighestDims(System.Int32[] dim)
|
|
{
|
|
// Store the biggest code-block dimensions
|
|
if (dim[0] > maxCBlkWidth)
|
|
{
|
|
maxCBlkWidth = dim[0];
|
|
}
|
|
if (dim[1] > maxCBlkHeight)
|
|
{
|
|
maxCBlkHeight = dim[1];
|
|
}
|
|
}
|
|
}
|
|
} |