forked from KolibriOS/kolibrios
99 lines
3.8 KiB
C
99 lines
3.8 KiB
C
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/*
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* Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
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* Copyright (c) 2002-2007, Professor Benoit Macq
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* Copyright (c) 2001-2003, David Janssens
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* Copyright (c) 2002-2003, Yannick Verschueren
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* Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
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* Copyright (c) 2005, Herve Drolon, FreeImage Team
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __MCT_H
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#define __MCT_H
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/**
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@file mct.h
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@brief Implementation of a multi-component transforms (MCT)
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The functions in MCT.C have for goal to realize reversible and irreversible multicomponent
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transform. The functions in MCT.C are used by some function in TCD.C.
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*/
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/** @defgroup MCT MCT - Implementation of a multi-component transform */
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/*@{*/
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/** @name Exported functions */
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/*@{*/
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/* ----------------------------------------------------------------------- */
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/**
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Apply a reversible multi-component transform to an image
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@param c0 Samples for red component
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@param c1 Samples for green component
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@param c2 Samples blue component
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@param n Number of samples for each component
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*/
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void mct_encode(int *c0, int *c1, int *c2, int n);
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/**
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Apply a reversible multi-component inverse transform to an image
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@param c0 Samples for luminance component
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@param c1 Samples for red chrominance component
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@param c2 Samples for blue chrominance component
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@param n Number of samples for each component
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*/
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void mct_decode(int *c0, int *c1, int *c2, int n);
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/**
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Get norm of the basis function used for the reversible multi-component transform
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@param compno Number of the component (0->Y, 1->U, 2->V)
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@return
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*/
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double mct_getnorm(int compno);
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/**
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Apply an irreversible multi-component transform to an image
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@param c0 Samples for red component
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@param c1 Samples for green component
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@param c2 Samples blue component
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@param n Number of samples for each component
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*/
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void mct_encode_real(int *c0, int *c1, int *c2, int n);
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/**
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Apply an irreversible multi-component inverse transform to an image
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@param c0 Samples for luminance component
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@param c1 Samples for red chrominance component
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@param c2 Samples for blue chrominance component
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@param n Number of samples for each component
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*/
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void mct_decode_real(float* c0, float* c1, float* c2, int n);
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/**
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Get norm of the basis function used for the irreversible multi-component transform
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@param compno Number of the component (0->Y, 1->U, 2->V)
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@return
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*/
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double mct_getnorm_real(int compno);
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/* ----------------------------------------------------------------------- */
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/*@}*/
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/*@}*/
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#endif /* __MCT_H */
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