/* * Copyright (c) 2001-2002, David Janssens * Copyright (c) 2003, Yannick Verschueren * Copyright (c) 2003, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium * 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 __TCD_H #define __TCD_H #include "j2k.h" #include "tgt.h" typedef struct { int numpasses; int len; unsigned char *data; int maxpasses; int numnewpasses; int newlen; } tcd_seg_t; typedef struct { int rate; double distortiondec; } tcd_pass_t; typedef struct { int numpasses; int len; unsigned char *data; } tcd_layer_t; typedef struct { int x0, y0, x1, y1; int numbps; int numlenbits; int len; int numpasses; int numnewpasses; int numsegs; tcd_seg_t segs[100]; unsigned char data[8192]; int numpassesinlayers; tcd_layer_t layers[100]; int totalpasses; tcd_pass_t passes[100]; } tcd_cblk_t; typedef struct { int x0, y0, x1, y1; int cw, ch; tcd_cblk_t *cblks; tgt_tree_t *incltree; tgt_tree_t *imsbtree; } tcd_precinct_t; typedef struct { int x0, y0, x1, y1; int bandno; tcd_precinct_t *precincts; int numbps; int stepsize; } tcd_band_t; typedef struct { int x0, y0, x1, y1; int previous_x0, previous_y0, previous_x1, previous_y1; // usefull for the DWT int cas_col, cas_row; // usefull for the DWT int pw, ph; int numbands; tcd_band_t bands[3]; } tcd_resolution_t; typedef struct { int x0, y0, x1, y1; int previous_row, previous_col; // usefull for the DWT int numresolutions; tcd_resolution_t *resolutions; int *data; } tcd_tilecomp_t; typedef struct { int x0, y0, x1, y1; int numcomps; //int PPT; //int len_ppt; tcd_tilecomp_t *comps; } tcd_tile_t; typedef struct { int tw, th; tcd_tile_t *tiles; } tcd_image_t; /* * Initialize the tile coder/decoder * img: raw image * cp: coding parameters * imgg: creation of index file */ void tcd_init(j2k_image_t *img, j2k_cp_t *cp, info_image_t *imgg); void tcd_free(j2k_image_t *img, j2k_cp_t *cp); /* * Decode a tile from a buffer into a raw image * src: source buffer * len: length of the source buffer * tileno: number that identifies the tile that will be decoded * imgg : Structure for index file */ int tcd_decode_tile(unsigned char *src, int len, int tileno, info_image_t *imgg); #endif