corrade-vassal – Rev 1
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/*
* CVS identifier:
*
* $Id: WaveletTransform.java,v 1.18 2001/10/24 12:02:35 grosbois Exp $
*
* Class: WaveletTransform
*
* Description: Interface that defines how a forward or
* inverse wavelet transform should present
* itself.
*
*
*
* 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.
* */
using System;
using CSJ2K.j2k.image;
namespace CSJ2K.j2k.wavelet
{
/// <summary> This interface defines how a forward or inverse wavelet transform should
/// present itself. As specified in the ImgData interface, from which this
/// class inherits, all operations are confined to the current tile, and all
/// coordinates are relative to it.
///
/// <p>The definition of the methods in this interface allows for different
/// types of implementation, reversibility and levels of decompositions for
/// each component and each tile. An implementation of this interface does not
/// need to support all this flexibility (e.g., it may provide the same
/// implementation type and decomposition levels for all tiles and
/// components).</p>
///
/// </summary>
public struct WaveletTransform_Fields{
/// <summary> ID for line based implementations of wavelet transforms.
///
/// </summary>
public readonly static int WT_IMPL_LINE = 0;
/// <summary> ID for full-page based implementations of wavelet transforms. Full-page
/// based implementations should be avoided since they require large
/// amounts of memory.
///
/// </summary>
public readonly static int WT_IMPL_FULL = 2;
}
public interface WaveletTransform:ImgData
{
//UPGRADE_NOTE: Members of interface 'WaveletTransform' were extracted into structure 'WaveletTransform_Fields'. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1045'"
/// <summary> Returns the reversibility of the wavelet transform for the specified
/// component and tile. A wavelet transform is reversible when it is
/// suitable for lossless and lossy-to-lossless compression.
///
/// </summary>
/// <param name="t">The index of the tile.
///
/// </param>
/// <param name="c">The index of the component.
///
/// </param>
/// <returns> true is the wavelet transform is reversible, false if not.
///
/// </returns>
bool isReversible(int t, int c);
/// <summary> Returns the implementation type of this wavelet transform (WT_IMPL_LINE
/// or WT_IMPL_FRAME) for the specified component, in the current tile.
///
/// </summary>
/// <param name="c">The index of the component.
///
/// </param>
/// <returns> WT_IMPL_LINE or WT_IMPL_FULL for line, block or full-page based
/// transforms.
///
/// </returns>
int getImplementationType(int c);
}
}
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