/*
* #%L
* Fork of JAI Image I/O Tools.
* %%
* Copyright (C) 2008 - 2014 Open Microscopy Environment:
* - Board of Regents of the University of Wisconsin-Madison
* - Glencoe Software, Inc.
* - University of Dundee
* %%
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation are
* those of the authors and should not be interpreted as representing official
* policies, either expressed or implied, of any organization.
* #L%
*/
/*
* $RCSfile: WTFilterSpec.java,v $
* $Revision: 1.1 $
* $Date: 2005/02/11 05:02:28 $
* $State: Exp $
*
* Class: WTFilterSpec
*
* Description: Generic class for storing wavelet filter specs
*
*
*
* 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.wavelet;
/**
* This is the generic class from which the ones that hold the analysis or
* synthesis filters to be used in each part of the image derive. See
* AnWTFilterSpec and SynWTFilterSpec.
*
* <P>The filters to use are defined by a hierarchy. The hierarchy is:
*
* <P>- Tile and component specific filters<br>
* - Tile specific default filters<br>
* - Component main default filters<br>
* - Main default filters<br>
*
* <P>At the moment tiles are not supported by this class.
*
* @see jj2000.j2k.wavelet.analysis.AnWTFilterSpec
*
* @see jj2000.j2k.wavelet.synthesis.SynWTFilterSpec
* */
public abstract class WTFilterSpec {
/** The identifier for "main default" specified filters */
public final static byte FILTER_SPEC_MAIN_DEF = 0;
/** The identifier for "component default" specified filters */
public final static byte FILTER_SPEC_COMP_DEF = 1;
/** The identifier for "tile specific default" specified filters */
public final static byte FILTER_SPEC_TILE_DEF = 2;
/** The identifier for "tile and component specific" specified filters */
public final static byte FILTER_SPEC_TILE_COMP = 3;
/** The spec type for each tile and component. The first index is the
* component index, the second is the tile index. NOTE: The tile specific
* things are not supported yet. */
// Use byte to save memory (no need for speed here).
protected byte specValType[];
/**
* Constructs a 'WTFilterSpec' object, initializing all the components and
* tiles to the 'FILTER_SPEC_MAIN_DEF' spec type, for the specified number
* of components and tiles.
*
* <P>NOTE: The tile specific things are not supported yet
*
* @param nc The number of components
*
* @param nt The number of tiles
*
*
* */
protected WTFilterSpec(int nc) {
specValType = new byte[nc];
}
/**
* Returns the data type used by the filters in this object, as defined in
* the 'DataBlk' interface.
*
* @return The data type of the filters in this object
*
* @see jj2000.j2k.image.DataBlk
*
*
* */
public abstract int getWTDataType();
/**
* Returns the type of specification for the filters in the specified
* component and tile. The specification type is one of:
* 'FILTER_SPEC_MAIN_DEF', 'FILTER_SPEC_COMP_DEF', 'FILTER_SPEC_TILE_DEF',
* 'FILTER_SPEC_TILE_COMP'.
*
* <P>NOTE: The tile specific things are not supported yet
*
* @param n The component index
*
* @param t The tile index, in raster scan order.
*
* @return The specification type for component 'n' and tile 't'.
*
*
* */
public byte getKerSpecType(int n) {
return specValType[n];
}
}