Cosmetic changes in fsdk_define.h
[pdfium.git] / third_party / libopenjpeg20 / image.c
1 /*
2  * The copyright in this software is being made available under the 2-clauses 
3  * BSD License, included below. This software may be subject to other third 
4  * party and contributor rights, including patent rights, and no such rights
5  * are granted under this license.
6  *
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 #include "opj_includes.h"
33
34 opj_image_t* opj_image_create0(void) {
35         opj_image_t *image = (opj_image_t*)opj_calloc(1, sizeof(opj_image_t));
36         return image;
37 }
38
39 opj_image_t* OPJ_CALLCONV opj_image_create(OPJ_UINT32 numcmpts, opj_image_cmptparm_t *cmptparms, OPJ_COLOR_SPACE clrspc) {
40         OPJ_UINT32 compno;
41         opj_image_t *image = NULL;
42
43         image = (opj_image_t*) opj_calloc(1, sizeof(opj_image_t));
44         if(image) {
45                 image->color_space = clrspc;
46                 image->numcomps = numcmpts;
47                 /* allocate memory for the per-component information */
48                 image->comps = (opj_image_comp_t*)opj_calloc(1,image->numcomps * sizeof(opj_image_comp_t));
49                 if(!image->comps) {
50                         /* TODO replace with event manager, breaks API */
51                         /* fprintf(stderr,"Unable to allocate memory for image.\n"); */
52                         opj_image_destroy(image);
53                         return NULL;
54                 }
55                 /* create the individual image components */
56                 for(compno = 0; compno < numcmpts; compno++) {
57                         opj_image_comp_t *comp = &image->comps[compno];
58                         comp->dx = cmptparms[compno].dx;
59                         comp->dy = cmptparms[compno].dy;
60                         comp->w = cmptparms[compno].w;
61                         comp->h = cmptparms[compno].h;
62                         comp->x0 = cmptparms[compno].x0;
63                         comp->y0 = cmptparms[compno].y0;
64                         comp->prec = cmptparms[compno].prec;
65                         comp->bpp = cmptparms[compno].bpp;
66                         comp->sgnd = cmptparms[compno].sgnd;
67                         comp->data = (OPJ_INT32*) opj_calloc(comp->w * comp->h, sizeof(OPJ_INT32));
68                         if(!comp->data) {
69                                 /* TODO replace with event manager, breaks API */
70                                 /* fprintf(stderr,"Unable to allocate memory for image.\n"); */
71                                 opj_image_destroy(image);
72                                 return NULL;
73                         }
74                 }
75         }
76
77         return image;
78 }
79
80 void OPJ_CALLCONV opj_image_destroy(opj_image_t *image) {
81         if(image) {
82                 if(image->comps) {
83                         OPJ_UINT32 compno;
84
85                         /* image components */
86                         for(compno = 0; compno < image->numcomps; compno++) {
87                                 opj_image_comp_t *image_comp = &(image->comps[compno]);
88                                 if(image_comp->data) {
89                                         opj_free(image_comp->data);
90                                 }
91                         }
92                         opj_free(image->comps);
93                 }
94
95                 if(image->icc_profile_buf) {
96                         opj_free(image->icc_profile_buf);
97                 }
98
99                 opj_free(image);
100         }
101 }
102
103 /**
104  * Updates the components characteristics of the image from the coding parameters.
105  *
106  * @param p_image_header        the image header to update.
107  * @param p_cp                          the coding parameters from which to update the image.
108  */
109 void opj_image_comp_header_update(opj_image_t * p_image_header, const struct opj_cp * p_cp)
110 {
111         OPJ_UINT32 i, l_width, l_height;
112         OPJ_UINT32 l_x0, l_y0, l_x1, l_y1;
113         OPJ_UINT32 l_comp_x0, l_comp_y0, l_comp_x1, l_comp_y1;
114         opj_image_comp_t* l_img_comp = NULL;
115
116         l_x0 = opj_uint_max(p_cp->tx0 , p_image_header->x0);
117         l_y0 = opj_uint_max(p_cp->ty0 , p_image_header->y0);
118         l_x1 = p_cp->tx0 + (p_cp->tw - 1U) * p_cp->tdx; /* validity of p_cp members used here checked in opj_j2k_read_siz. Can't overflow. */
119         l_y1 = p_cp->ty0 + (p_cp->th - 1U) * p_cp->tdy; /* can't overflow */
120         l_x1 = opj_uint_min(opj_uint_adds(l_x1, p_cp->tdx), p_image_header->x1); /* use add saturated to prevent overflow */
121         l_y1 = opj_uint_min(opj_uint_adds(l_y1, p_cp->tdy), p_image_header->y1); /* use add saturated to prevent overflow */
122
123         l_img_comp = p_image_header->comps;
124         for     (i = 0; i < p_image_header->numcomps; ++i) {
125                 l_comp_x0 = opj_uint_ceildiv(l_x0, l_img_comp->dx);
126                 l_comp_y0 = opj_uint_ceildiv(l_y0, l_img_comp->dy);
127                 l_comp_x1 = opj_uint_ceildiv(l_x1, l_img_comp->dx);
128                 l_comp_y1 = opj_uint_ceildiv(l_y1, l_img_comp->dy);
129                 l_width   = opj_uint_ceildivpow2(l_comp_x1 - l_comp_x0, l_img_comp->factor);
130                 l_height  = opj_uint_ceildivpow2(l_comp_y1 - l_comp_y0, l_img_comp->factor);
131                 l_img_comp->w = l_width;
132                 l_img_comp->h = l_height;
133                 l_img_comp->x0 = l_comp_x0;
134                 l_img_comp->y0 = l_comp_y0;
135                 ++l_img_comp;
136         }
137 }
138
139
140 /**
141  * Copy only header of image and its component header (no data are copied)
142  * if dest image have data, they will be freed
143  *
144  * @param       p_image_src             the src image
145  * @param       p_image_dest    the dest image
146  *
147  */
148 void opj_copy_image_header(const opj_image_t* p_image_src, opj_image_t* p_image_dest)
149 {
150         OPJ_UINT32 compno;
151
152         /* preconditions */
153         assert(p_image_src != 00);
154         assert(p_image_dest != 00);
155
156         p_image_dest->x0 = p_image_src->x0;
157         p_image_dest->y0 = p_image_src->y0;
158         p_image_dest->x1 = p_image_src->x1;
159         p_image_dest->y1 = p_image_src->y1;
160
161         if (p_image_dest->comps){
162                 for(compno = 0; compno < p_image_dest->numcomps; compno++) {
163                         opj_image_comp_t *image_comp = &(p_image_dest->comps[compno]);
164                         if(image_comp->data) {
165                                 opj_free(image_comp->data);
166                         }
167                 }
168                 opj_free(p_image_dest->comps);
169                 p_image_dest->comps = NULL;
170         }
171
172         p_image_dest->numcomps = p_image_src->numcomps;
173
174         p_image_dest->comps = (opj_image_comp_t*) opj_malloc(p_image_dest->numcomps * sizeof(opj_image_comp_t));
175         if (!p_image_dest->comps){
176                 p_image_dest->comps = NULL;
177                 p_image_dest->numcomps = 0;
178                 return;
179         }
180
181         for (compno=0; compno < p_image_dest->numcomps; compno++){
182                 memcpy( &(p_image_dest->comps[compno]),
183                                 &(p_image_src->comps[compno]),
184                                 sizeof(opj_image_comp_t));
185                 p_image_dest->comps[compno].data = NULL;
186         }
187
188         p_image_dest->color_space = p_image_src->color_space;
189         p_image_dest->icc_profile_len = p_image_src->icc_profile_len;
190
191         if (p_image_dest->icc_profile_len) {
192                 p_image_dest->icc_profile_buf = (OPJ_BYTE*)opj_malloc(p_image_dest->icc_profile_len);
193                 if (!p_image_dest->icc_profile_buf){
194                         p_image_dest->icc_profile_buf = NULL;
195                         p_image_dest->icc_profile_len = 0;
196                         return;
197                 }
198                 memcpy( p_image_dest->icc_profile_buf,
199                                 p_image_src->icc_profile_buf,
200                                 p_image_src->icc_profile_len);
201                 }
202                 else
203                         p_image_dest->icc_profile_buf = NULL;
204
205         return;
206 }
207
208 opj_image_t* OPJ_CALLCONV opj_image_tile_create(OPJ_UINT32 numcmpts, opj_image_cmptparm_t *cmptparms, OPJ_COLOR_SPACE clrspc) {
209         OPJ_UINT32 compno;
210         opj_image_t *image = 00;
211
212         image = (opj_image_t*) opj_calloc(1,sizeof(opj_image_t));
213         if (image)
214         {
215                 
216                 image->color_space = clrspc;
217                 image->numcomps = numcmpts;
218                 
219                 /* allocate memory for the per-component information */
220                 image->comps = (opj_image_comp_t*)opj_calloc(image->numcomps, sizeof(opj_image_comp_t));
221                 if (!image->comps) {
222                         opj_image_destroy(image);
223                         return 00;
224                 }
225                 
226                 /* create the individual image components */
227                 for(compno = 0; compno < numcmpts; compno++) {
228                         opj_image_comp_t *comp = &image->comps[compno];
229                         comp->dx = cmptparms[compno].dx;
230                         comp->dy = cmptparms[compno].dy;
231                         comp->w = cmptparms[compno].w;
232                         comp->h = cmptparms[compno].h;
233                         comp->x0 = cmptparms[compno].x0;
234                         comp->y0 = cmptparms[compno].y0;
235                         comp->prec = cmptparms[compno].prec;
236                         comp->sgnd = cmptparms[compno].sgnd;
237                         comp->data = 0;
238                 }
239         }
240
241         return image;
242 }