1/* 2 * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium 3 * Copyright (c) 2002-2007, Professor Benoit Macq 4 * Copyright (c) 2001-2003, David Janssens 5 * Copyright (c) 2002-2003, Yannick Verschueren 6 * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe 7 * Copyright (c) 2005, Herve Drolon, FreeImage Team 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' 20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32#ifndef __MCT_H 33#define __MCT_H 34/** 35@file mct.h 36@brief Implementation of a multi-component transforms (MCT) 37 38The functions in MCT.C have for goal to realize reversible and irreversible multicomponent 39transform. The functions in MCT.C are used by some function in TCD.C. 40*/ 41 42/** @defgroup MCT MCT - Implementation of a multi-component transform */ 43/*@{*/ 44 45/** @name Exported functions */ 46/*@{*/ 47/* ----------------------------------------------------------------------- */ 48/** 49Apply a reversible multi-component transform to an image 50@param c0 Samples for red component 51@param c1 Samples for green component 52@param c2 Samples blue component 53@param n Number of samples for each component 54*/ 55void mct_encode(int *c0, int *c1, int *c2, int n); 56/** 57Apply a reversible multi-component inverse transform to an image 58@param c0 Samples for luminance component 59@param c1 Samples for red chrominance component 60@param c2 Samples for blue chrominance component 61@param n Number of samples for each component 62*/ 63void mct_decode(int *c0, int *c1, int *c2, int n); 64/** 65Get norm of the basis function used for the reversible multi-component transform 66@param compno Number of the component (0->Y, 1->U, 2->V) 67@return 68*/ 69double mct_getnorm(int compno); 70 71/** 72Apply an irreversible multi-component transform to an image 73@param c0 Samples for red component 74@param c1 Samples for green component 75@param c2 Samples blue component 76@param n Number of samples for each component 77*/ 78void mct_encode_real(int *c0, int *c1, int *c2, int n); 79/** 80Apply an irreversible multi-component inverse transform to an image 81@param c0 Samples for luminance component 82@param c1 Samples for red chrominance component 83@param c2 Samples for blue chrominance component 84@param n Number of samples for each component 85*/ 86void mct_decode_real(float* c0, float* c1, float* c2, int n); 87/** 88Get norm of the basis function used for the irreversible multi-component transform 89@param compno Number of the component (0->Y, 1->U, 2->V) 90@return 91*/ 92double mct_getnorm_real(int compno); 93/* ----------------------------------------------------------------------- */ 94/*@}*/ 95 96/*@}*/ 97 98#endif /* __MCT_H */ 99