corrade-vassal – Rev 1
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/*
* CVS identifier:
*
* $Id: SynWTFilterFloat.java,v 1.7 2000/09/05 09:26:32 grosbois Exp $
*
* Class: SynWTFilterFloat
*
* Description: A specialized synthesis wavelet filter interface
* that works on float data.
*
*
*
* 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.wavelet;
using CSJ2K.j2k.image;
namespace CSJ2K.j2k.wavelet.synthesis
{
/// <summary> This extends the synthesis wavelet filter general definitions of
/// SynWTFilter by adding methods that work for float data
/// specifically. Implementations that work on float data should inherit
/// from this class.
///
/// <P>See the SynWTFilter class for details such as
/// normalization, how to split odd-length signals, etc.
///
/// <P>The advantage of using the specialized method is that no casts
/// are performed.
///
/// </summary>
/// <seealso cref="SynWTFilter">
///
/// </seealso>
public abstract class SynWTFilterFloat:SynWTFilter
{
/// <summary> Returns the type of data on which this filter works, as defined
/// in the DataBlk interface, which is always TYPE_FLOAT for this
/// class.
///
/// </summary>
/// <returns> The type of data as defined in the DataBlk interface.
///
/// </returns>
/// <seealso cref="jj2000.j2k.image.DataBlk">
///
///
///
/// </seealso>
override public int DataType
{
get
{
return DataBlk.TYPE_FLOAT;
}
}
/// <summary> A specific version of the synthetize_lpf() method that works on float
/// data. See the general description of the synthetize_lpf() method in the
/// SynWTFilter class for more details.
///
/// </summary>
/// <param name="lowSig">This is the array that contains the low-pass
/// input signal.
///
/// </param>
/// <param name="lowOff">This is the index in lowSig of the first sample to
/// filter.
///
/// </param>
/// <param name="lowLen">This is the number of samples in the low-pass
/// input signal to filter.
///
/// </param>
/// <param name="lowStep">This is the step, or interleave factor, of the
/// low-pass input signal samples in the lowSig array.
///
/// </param>
/// <param name="highSig">This is the array that contains the high-pass
/// input signal.
///
/// </param>
/// <param name="highOff">This is the index in highSig of the first sample to
/// filter.
///
/// </param>
/// <param name="highLen">This is the number of samples in the high-pass
/// input signal to filter.
///
/// </param>
/// <param name="highStep">This is the step, or interleave factor, of the
/// high-pass input signal samples in the highSig array.
///
/// </param>
/// <param name="outSig">This is the array where the output signal is
/// placed. It should be long enough to contain the output signal.
///
/// </param>
/// <param name="outOff">This is the index in outSig of the element where
/// to put the first output sample.
///
/// </param>
/// <param name="outStep">This is the step, or interleave factor, of the
/// output samples in the outSig array.
///
/// </param>
/// <seealso cref="SynWTFilter.synthetize_lpf">
///
///
///
///
///
/// </seealso>
public abstract void synthetize_lpf(float[] lowSig, int lowOff, int lowLen, int lowStep, float[] highSig, int highOff, int highLen, int highStep, float[] outSig, int outOff, int outStep);
/// <summary> The general version of the synthetize_lpf() method, it just calls
/// the specialized version. See the description of the synthetize_lpf()
/// method of the SynWTFilter class for more details.
///
/// </summary>
/// <param name="lowSig">This is the array that contains the low-pass
/// input signal. It must be an float[].
///
/// </param>
/// <param name="lowOff">This is the index in lowSig of the first sample to
/// filter.
///
/// </param>
/// <param name="lowLen">This is the number of samples in the low-pass
/// input signal to filter.
///
/// </param>
/// <param name="lowStep">This is the step, or interleave factor, of the
/// low-pass input signal samples in the lowSig array.
///
/// </param>
/// <param name="highSig">This is the array that contains the high-pass
/// input signal. It must be an float[].
///
/// </param>
/// <param name="highOff">This is the index in highSig of the first sample to
/// filter.
///
/// </param>
/// <param name="highLen">This is the number of samples in the high-pass
/// input signal to filter.
///
/// </param>
/// <param name="highStep">This is the step, or interleave factor, of the
/// high-pass input signal samples in the highSig array.
///
/// </param>
/// <param name="outSig">This is the array where the output signal is
/// placed. It should be and float[] and long enough to contain the
/// output signal.
///
/// </param>
/// <param name="outOff">This is the index in outSig of the element where
/// to put the first output sample.
///
/// </param>
/// <param name="outStep">This is the step, or interleave factor, of the
/// output samples in the outSig array.
///
/// </param>
/// <seealso cref="SynWTFilter.synthetize_hpf">
///
///
///
///
///
/// </seealso>
public override void synthetize_lpf(System.Object lowSig, int lowOff, int lowLen, int lowStep, System.Object highSig, int highOff, int highLen, int highStep, System.Object outSig, int outOff, int outStep)
{
synthetize_lpf((float[]) lowSig, lowOff, lowLen, lowStep, (float[]) highSig, highOff, highLen, highStep, (float[]) outSig, outOff, outStep);
}
/// <summary> A specific version of the synthetize_hpf() method that works on float
/// data. See the general description of the synthetize_hpf() method in the
/// SynWTFilter class for more details.
///
/// </summary>
/// <param name="lowSig">This is the array that contains the low-pass
/// input signal.
///
/// </param>
/// <param name="lowOff">This is the index in lowSig of the first sample to
/// filter.
///
/// </param>
/// <param name="lowLen">This is the number of samples in the low-pass
/// input signal to filter.
///
/// </param>
/// <param name="lowStep">This is the step, or interleave factor, of the
/// low-pass input signal samples in the lowSig array.
///
/// </param>
/// <param name="highSig">This is the array that contains the high-pass
/// input signal.
///
/// </param>
/// <param name="highOff">This is the index in highSig of the first sample to
/// filter.
///
/// </param>
/// <param name="highLen">This is the number of samples in the high-pass
/// input signal to filter.
///
/// </param>
/// <param name="highStep">This is the step, or interleave factor, of the
/// high-pass input signal samples in the highSig array.
///
/// </param>
/// <param name="outSig">This is the array where the output signal is
/// placed. It should be long enough to contain the output signal.
///
/// </param>
/// <param name="outOff">This is the index in outSig of the element where
/// to put the first output sample.
///
/// </param>
/// <param name="outStep">This is the step, or interleave factor, of the
/// output samples in the outSig array.
///
/// </param>
/// <seealso cref="SynWTFilter.synthetize_hpf">
///
///
///
///
///
/// </seealso>
public abstract void synthetize_hpf(float[] lowSig, int lowOff, int lowLen, int lowStep, float[] highSig, int highOff, int highLen, int highStep, float[] outSig, int outOff, int outStep);
/// <summary> The general version of the synthetize_hpf() method, it just calls
/// the specialized version. See the description of the synthetize_hpf()
/// method of the SynWTFilter class for more details.
///
/// </summary>
/// <param name="lowSig">This is the array that contains the low-pass
/// input signal. It must be an float[].
///
/// </param>
/// <param name="lowOff">This is the index in lowSig of the first sample to
/// filter.
///
/// </param>
/// <param name="lowLen">This is the number of samples in the low-pass
/// input signal to filter.
///
/// </param>
/// <param name="lowStep">This is the step, or interleave factor, of the
/// low-pass input signal samples in the lowSig array.
///
/// </param>
/// <param name="highSig">This is the array that contains the high-pass
/// input signal. It must be an float[].
///
/// </param>
/// <param name="highOff">This is the index in highSig of the first sample to
/// filter.
///
/// </param>
/// <param name="highLen">This is the number of samples in the high-pass
/// input signal to filter.
///
/// </param>
/// <param name="highStep">This is the step, or interleave factor, of the
/// high-pass input signal samples in the highSig array.
///
/// </param>
/// <param name="outSig">This is the array where the output signal is
/// placed. It should be and float[] and long enough to contain the
/// output signal.
///
/// </param>
/// <param name="outOff">This is the index in outSig of the element where
/// to put the first output sample.
///
/// </param>
/// <param name="outStep">This is the step, or interleave factor, of the
/// output samples in the outSig array.
///
/// </param>
/// <seealso cref="SynWTFilter.synthetize_hpf">
///
///
///
///
///
/// </seealso>
public override void synthetize_hpf(System.Object lowSig, int lowOff, int lowLen, int lowStep, System.Object highSig, int highOff, int highLen, int highStep, System.Object outSig, int outOff, int outStep)
{
synthetize_hpf((float[]) lowSig, lowOff, lowLen, lowStep, (float[]) highSig, highOff, highLen, highStep, (float[]) outSig, outOff, outStep);
}
}
}
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