src/lib/openjp3d/volume.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 #include "volume.h"
  34 #include "openjp3d.h"
  35
  36 opj_volume_t* OPJ_CALLCONV opj_volume_create(int numcmpts, opj_volume_cmptparm_t *cmptparms, OPJ_COLOR_SPACE clrspc) {
  37         int compno;
  38         opj_volume_t *volume = NULL;
  39
  40         volume = (opj_volume_t*)opj_malloc(sizeof(opj_volume_t));
  41         if(volume) {
  42                 volume->color_space = clrspc;
  43                 volume->numcomps = numcmpts;
  44                 /* allocate memory for the per-component information */
  45                 volume->comps = (opj_volume_comp_t*)opj_malloc(volume->numcomps * sizeof(opj_volume_comp_t));
  46                 if(!volume->comps) {
  47                         opj_volume_destroy(volume);
  48                         return NULL;
  49                 }
  50                 /* create the individual volume components */
  51                 for(compno = 0; compno < numcmpts; compno++) {
  52                         opj_volume_comp_t *comp = &volume->comps[compno];
  53                         comp->dx = cmptparms[compno].dx;
  54                         comp->dy = cmptparms[compno].dy;
  55                         comp->dz = cmptparms[compno].dz;
  56                         comp->w = cmptparms[compno].w;
  57                         comp->h = cmptparms[compno].h;
  58                         comp->l = cmptparms[compno].l;
  59                         comp->x0 = cmptparms[compno].x0;
  60                         comp->y0 = cmptparms[compno].y0;
  61                         comp->z0 = cmptparms[compno].z0;
  62                         comp->prec = cmptparms[compno].prec;
  63                         comp->bpp = cmptparms[compno].bpp;
  64                         comp->sgnd = cmptparms[compno].sgnd;
  65                         comp->bigendian = cmptparms[compno].bigendian;
  66                         comp->dcoffset = cmptparms[compno].dcoffset;
  67                         comp->data = (int*)opj_malloc(comp->w * comp->h * comp->l * sizeof(int));
  68                         if(!comp->data) {
  69                                 fprintf(stdout,"Unable to malloc comp->data (%d x %d x %d x bytes)",comp->w,comp->h,comp->l);
  70                                 opj_volume_destroy(volume);
  71                                 return NULL;
  72                         }
  73                         /*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);*/
  74                 }
  75         }
  76
  77         return volume;
  78 }
  79
  80 void OPJ_CALLCONV opj_volume_destroy(opj_volume_t *volume) {
  81         int i;
  82         if(volume) {
  83                 if(volume->comps) {
  84                         /* volume components */
  85                         for(i = 0; i < volume->numcomps; i++) {
  86                                 opj_volume_comp_t *volume_comp = &volume->comps[i];
  87                                 if(volume_comp->data) {
  88                                         opj_free(volume_comp->data);
  89                                 }
  90                         }
  91                         opj_free(volume->comps);
  92                 }
  93                 opj_free(volume);
  94         }
  95 }
  96