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-rw-r--r--libraries/openjpeg-libsl/libopenjpeg/image.c87
1 files changed, 87 insertions, 0 deletions
diff --git a/libraries/openjpeg-libsl/libopenjpeg/image.c b/libraries/openjpeg-libsl/libopenjpeg/image.c
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1/*
2 * Copyright (c) 2005, Hervé Drolon, FreeImage Team
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
15 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
18 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
19 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
20 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
21 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
22 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
23 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
24 * POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include "opj_includes.h"
28
29opj_image_t* opj_image_create0() {
30 opj_image_t *image = (opj_image_t*)opj_malloc(sizeof(opj_image_t));
31 return image;
32}
33
34opj_image_t* OPJ_CALLCONV opj_image_create(int numcmpts, opj_image_cmptparm_t *cmptparms, OPJ_COLOR_SPACE clrspc) {
35 int compno;
36 opj_image_t *image = NULL;
37
38 image = (opj_image_t*)opj_malloc(sizeof(opj_image_t));
39 if(image) {
40 image->color_space = clrspc;
41 image->numcomps = numcmpts;
42 /* allocate memory for the per-component information */
43 image->comps = (opj_image_comp_t*)opj_malloc(image->numcomps * sizeof(opj_image_comp_t));
44 if(!image->comps) {
45 opj_image_destroy(image);
46 return NULL;
47 }
48 /* create the individual image components */
49 for(compno = 0; compno < numcmpts; compno++) {
50 opj_image_comp_t *comp = &image->comps[compno];
51 comp->dx = cmptparms[compno].dx;
52 comp->dy = cmptparms[compno].dy;
53 comp->w = cmptparms[compno].w;
54 comp->h = cmptparms[compno].h;
55 comp->x0 = cmptparms[compno].x0;
56 comp->y0 = cmptparms[compno].y0;
57 comp->prec = cmptparms[compno].prec;
58 comp->bpp = cmptparms[compno].bpp;
59 comp->sgnd = cmptparms[compno].sgnd;
60 comp->data = (int*)opj_malloc(comp->w * comp->h * sizeof(int));
61 if(!comp->data) {
62 opj_image_destroy(image);
63 return NULL;
64 }
65 }
66 }
67
68 return image;
69}
70
71void OPJ_CALLCONV opj_image_destroy(opj_image_t *image) {
72 int i;
73 if(image) {
74 if(image->comps) {
75 /* image components */
76 for(i = 0; i < image->numcomps; i++) {
77 opj_image_comp_t *image_comp = &image->comps[i];
78 if(image_comp->data) {
79 opj_free(image_comp->data);
80 }
81 }
82 opj_free(image->comps);
83 }
84 opj_free(image);
85 }
86}
87