| 0,0 → 1,137 |
|---|
| /* |
| * 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 |