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JPEG2000 support for Java Advanced Imaging Image I/O Tools API core. This module is licensed under the [JJ2000 license](LICENSE.txt) and is therefore NOT compatible with the GPL 3 license. It should be compatible with the LGPL 2.1 license.

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/*
 * $RCSfile: DataBlkInt.java,v $
 * $Revision: 1.1 $
 * $Date: 2005/02/11 05:02:12 $
 * $State: Exp $
 *
 * Interface:           DataBlkInt
 *
 * Description:         A signed int implementation of DataBlk
 *
 *
 *
 * 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.
 *
 *
 *
 */

package jj2000.j2k.image;

/**
 * This is an implementation of the DataBlk interface for
 * signed 32 bit integral data.
 *
 * 

The methods in this class are declared final, so that they can * be inlined by inlining compilers. * * @see DataBlk * */ public class DataBlkInt extends DataBlk { /** The array where the data is stored */ public int[] data; /** * Creates a DataBlkInt with 0 dimensions and no data array * (i.e. data is null). * * * */ public DataBlkInt() { } /** * Creates a DataBlkInt with the specified dimensions and * position. The data array is initialized to an array of size * w*h. * * @param ulx The horizontal coordinate of the upper-left corner * of the block * * @param uly The vertical coordinate of the upper-left corner * of the block * * @param w The width of the block (in pixels) * * @param h The height of the block (in pixels) * * * */ public DataBlkInt(int ulx, int uly, int w, int h) { this.ulx = ulx; this.uly = uly; this.w = w; this.h = h; offset = 0; scanw = w; data = new int[w*h]; } /** * Copy constructor. * Creates a DataBlkInt which is the copy of the DataBlkInt * given as paramter. * * @param DataBlkInt the object to be copied. * * * */ public DataBlkInt(DataBlkInt src) { this.ulx = src.ulx; this.uly = src.uly; this.w = src.w; this.h = src.h; this.offset = 0; this.scanw = this.w; this.data = new int[this.w*this.h]; for ( int i=0 ; iTYPE_INT, * as defined in DataBlk. * * @return The type of data stored. Always * DataBlk.TYPE_INT * * @see DataBlk#TYPE_INT * * * */ public final int getDataType() { return TYPE_INT; } /** * Returns the array containing the data, or null if there is no * data array. The returned array is a int array. * * @return The array of data (a int[]) or null if there is no * data. * * * */ public final Object getData() { return data; } /** * Returns the array containing the data, or null if there is no * data array. * * @return The array of data or null if there is no data. * * * */ public final int[] getDataInt() { return data; } /** * Sets the data array to the specified one. The provided array * must be a int array, otherwise a ClassCastException is * thrown. The size of the array is not checked for consistency * with the block's dimensions. * * @param arr The data array to use. Must be a int array. * * * */ public final void setData(Object arr) { data = (int[]) arr; } /** * Sets the data array to the specified one. The size of the array * is not checked for consistency with the block's dimensions. This * method is more efficient than setData * * @param arr The data array to use. * * * */ public final void setDataInt(int[] arr) { data = arr; } /** * Returns a string of informations about the DataBlkInt. * */ public String toString(){ String str = super.toString(); if(data!=null) { str += ",data="+data.length+" bytes"; } return str; } }





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