src/lib/openjp3d/volume.c

   1 /*
   2  * Copyright (c) 2005, Herve 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 #include "volume.h"
  29 #include "openjp3d.h"
  30
  31 opj_volume_t* OPJ_CALLCONV opj_volume_create(int numcmpts, opj_volume_cmptparm_t *cmptparms, OPJ_COLOR_SPACE clrspc) {
  32         int compno;
  33         opj_volume_t *volume = NULL;
  34
  35         volume = (opj_volume_t*)opj_malloc(sizeof(opj_volume_t));
  36         if(volume) {
  37                 volume->color_space = clrspc;
  38                 volume->numcomps = numcmpts;
  39                 /* allocate memory for the per-component information */
  40                 volume->comps = (opj_volume_comp_t*)opj_malloc(volume->numcomps * sizeof(opj_volume_comp_t));
  41                 if(!volume->comps) {
  42                         opj_volume_destroy(volume);
  43                         return NULL;
  44                 }
  45                 /* create the individual volume components */
  46                 for(compno = 0; compno < numcmpts; compno++) {
  47                         opj_volume_comp_t *comp = &volume->comps[compno];
  48                         comp->dx = cmptparms[compno].dx;
  49                         comp->dy = cmptparms[compno].dy;
  50                         comp->dz = cmptparms[compno].dz;
  51                         comp->w = cmptparms[compno].w;
  52                         comp->h = cmptparms[compno].h;
  53                         comp->l = cmptparms[compno].l;
  54                         comp->x0 = cmptparms[compno].x0;
  55                         comp->y0 = cmptparms[compno].y0;
  56                         comp->z0 = cmptparms[compno].z0;
  57                         comp->prec = cmptparms[compno].prec;
  58                         comp->bpp = cmptparms[compno].bpp;
  59                         comp->sgnd = cmptparms[compno].sgnd;
  60                         comp->bigendian = cmptparms[compno].bigendian;
  61                         comp->dcoffset = cmptparms[compno].dcoffset;
  62                         comp->data = (int*)opj_malloc(comp->w * comp->h * comp->l * sizeof(int));
  63                         if(!comp->data) {
  64                                 fprintf(stdout,"Unable to malloc comp->data (%d x %d x %d x bytes)",comp->w,comp->h,comp->l);
  65                                 opj_volume_destroy(volume);
  66                                 return NULL;
  67                         }
  68                         /*fprintf(stdout,"%d %d %d %d %d %d %d %d %d", comp->w,comp->h, comp->l, comp->dx, comp->dy, comp->dz, comp->prec, comp->bpp, comp->sgnd);*/
  69                 }
  70         }
  71
  72         return volume;
  73 }
  74
  75 void OPJ_CALLCONV opj_volume_destroy(opj_volume_t *volume) {
  76         int i;
  77         if(volume) {
  78                 if(volume->comps) {
  79                         /* volume components */
  80                         for(i = 0; i < volume->numcomps; i++) {
  81                                 opj_volume_comp_t *volume_comp = &volume->comps[i];
  82                                 if(volume_comp->data) {
  83                                         opj_free(volume_comp->data);
  84                                 }
  85                         }
  86                         opj_free(volume->comps);
  87                 }
  88                 opj_free(volume);
  89         }
  90 }
  91