| /* |
| * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium |
| * Copyright (c) 2002-2007, Professor Benoit Macq |
| * Copyright (c) 2001-2003, David Janssens |
| * Copyright (c) 2002-2003, Yannick Verschueren |
| * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe |
| * Copyright (c) 2005, Herve Drolon, FreeImage Team |
| * All rights reserved. |
| * |
| * 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 OWNER 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. |
| */ |
| |
| #ifndef __MCT_H |
| #define __MCT_H |
| /** |
| @file mct.h |
| @brief Implementation of a multi-component transforms (MCT) |
| |
| The functions in MCT.C have for goal to realize reversible and irreversible multicomponent |
| transform. The functions in MCT.C are used by some function in TCD.C. |
| */ |
| |
| /** @defgroup MCT MCT - Implementation of a multi-component transform */ |
| /*@{*/ |
| |
| /** @name Exported functions */ |
| /*@{*/ |
| /* ----------------------------------------------------------------------- */ |
| /** |
| Apply a reversible multi-component transform to an image |
| @param c0 Samples for red component |
| @param c1 Samples for green component |
| @param c2 Samples blue component |
| @param n Number of samples for each component |
| */ |
| void mct_encode(int *c0, int *c1, int *c2, int n); |
| /** |
| Apply a reversible multi-component inverse transform to an image |
| @param c0 Samples for luminance component |
| @param c1 Samples for red chrominance component |
| @param c2 Samples for blue chrominance component |
| @param n Number of samples for each component |
| */ |
| void mct_decode(int *c0, int *c1, int *c2, int n); |
| /** |
| Get norm of the basis function used for the reversible multi-component transform |
| @param compno Number of the component (0->Y, 1->U, 2->V) |
| @return |
| */ |
| double mct_getnorm(int compno); |
| |
| /** |
| Apply an irreversible multi-component transform to an image |
| @param c0 Samples for red component |
| @param c1 Samples for green component |
| @param c2 Samples blue component |
| @param n Number of samples for each component |
| */ |
| void mct_encode_real(int *c0, int *c1, int *c2, int n); |
| /** |
| Apply an irreversible multi-component inverse transform to an image |
| @param c0 Samples for luminance component |
| @param c1 Samples for red chrominance component |
| @param c2 Samples for blue chrominance component |
| @param n Number of samples for each component |
| */ |
| void mct_decode_real(float* c0, float* c1, float* c2, int n); |
| /** |
| Get norm of the basis function used for the irreversible multi-component transform |
| @param compno Number of the component (0->Y, 1->U, 2->V) |
| @return |
| */ |
| double mct_getnorm_real(int compno); |
| /* ----------------------------------------------------------------------- */ |
| /*@}*/ |
| |
| /*@}*/ |
| |
| #endif /* __MCT_H */ |