001: /*
002: * $RCSfile: CBlkWTDataInt.java,v $
003: * $Revision: 1.1 $
004: * $Date: 2005/02/11 05:02:30 $
005: * $State: Exp $
006: *
007: * Class: CBlkWTDataInt
008: *
009: * Description: Implementation of CBlkWTData for 'int' data
010: *
011: *
012: *
013: * COPYRIGHT:
014: *
015: * This software module was originally developed by Raphaël Grosbois and
016: * Diego Santa Cruz (Swiss Federal Institute of Technology-EPFL); Joel
017: * Askelöf (Ericsson Radio Systems AB); and Bertrand Berthelot, David
018: * Bouchard, Félix Henry, Gerard Mozelle and Patrice Onno (Canon Research
019: * Centre France S.A) in the course of development of the JPEG2000
020: * standard as specified by ISO/IEC 15444 (JPEG 2000 Standard). This
021: * software module is an implementation of a part of the JPEG 2000
022: * Standard. Swiss Federal Institute of Technology-EPFL, Ericsson Radio
023: * Systems AB and Canon Research Centre France S.A (collectively JJ2000
024: * Partners) agree not to assert against ISO/IEC and users of the JPEG
025: * 2000 Standard (Users) any of their rights under the copyright, not
026: * including other intellectual property rights, for this software module
027: * with respect to the usage by ISO/IEC and Users of this software module
028: * or modifications thereof for use in hardware or software products
029: * claiming conformance to the JPEG 2000 Standard. Those intending to use
030: * this software module in hardware or software products are advised that
031: * their use may infringe existing patents. The original developers of
032: * this software module, JJ2000 Partners and ISO/IEC assume no liability
033: * for use of this software module or modifications thereof. No license
034: * or right to this software module is granted for non JPEG 2000 Standard
035: * conforming products. JJ2000 Partners have full right to use this
036: * software module for his/her own purpose, assign or donate this
037: * software module to any third party and to inhibit third parties from
038: * using this software module for non JPEG 2000 Standard conforming
039: * products. This copyright notice must be included in all copies or
040: * derivative works of this software module.
041: *
042: * Copyright (c) 1999/2000 JJ2000 Partners.
043: *
044: *
045: *
046: */
047:
048: package jj2000.j2k.wavelet.analysis;
049:
050: import jj2000.j2k.image.*;
051:
052: /**
053: * This is an implementation of the 'CBlkWTData' abstract class for signed 32
054: * bit integer data.
055: *
056: * <P>The methods in this class are declared final, so that they can
057: * be inlined by inlining compilers.
058: *
059: * @see CBlkWTData
060: * */
061: public class CBlkWTDataInt extends CBlkWTData {
062:
063: /** The array where the data is stored */
064: public int[] data;
065:
066: /**
067: * Returns the data type of this object, always DataBlk.TYPE_INT.
068: *
069: * @return The data type of the object, always DataBlk.TYPE_INT
070: *
071: *
072: *
073: */
074: public final int getDataType() {
075: return DataBlk.TYPE_INT;
076: }
077:
078: /**
079: * Returns the array containing the data, or null if there is no
080: * data array. The returned array is an int array.
081: *
082: * @return The array of data (a int[]) or null if there is no
083: * data.
084: *
085: *
086: *
087: */
088: public final Object getData() {
089: return data;
090: }
091:
092: /**
093: * Returns the array containing the data, or null if there is no
094: * data array.
095: *
096: * @return The array of data or null if there is no data.
097: *
098: *
099: * */
100: public final int[] getDataInt() {
101: return data;
102: }
103:
104: /**
105: * Sets the data array to the specified one. The provided array
106: * must be a int array, otherwise a ClassCastException is
107: * thrown. The size of the array is not checked for consistency
108: * with the code-block dimensions.
109: *
110: * @param arr The data array to use. Must be an int array.
111: *
112: *
113: * */
114: public final void setData(Object arr) {
115: data = (int[]) arr;
116: }
117:
118: /**
119: * Sets the data array to the specified one. The size of the array
120: * is not checked for consistency with the code-block dimensions. This
121: * method is more efficient than 'setData()'.
122: *
123: * @param arr The data array to use.
124: *
125: *
126: * */
127: public final void setDataInt(int[] arr) {
128: data = arr;
129: }
130:
131: }
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