libopenjpeg3d/volume.c

   1 /*\r
   2  * Copyright (c) 2005, Herve Drolon, FreeImage Team\r
   3  * All rights reserved.\r
   4  *\r
   5  * Redistribution and use in source and binary forms, with or without\r
   6  * modification, are permitted provided that the following conditions\r
   7  * are met:\r
   8  * 1. Redistributions of source code must retain the above copyright\r
   9  *    notice, this list of conditions and the following disclaimer.\r
  10  * 2. Redistributions in binary form must reproduce the above copyright\r
  11  *    notice, this list of conditions and the following disclaimer in the\r
  12  *    documentation and/or other materials provided with the distribution.\r
  13  *\r
  14  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'\r
  15  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\r
  18  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
  19  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
  20  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
  21  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
  22  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
  23  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
  24  * POSSIBILITY OF SUCH DAMAGE.\r
  25  */\r
  26 \r
  27 #include "opj_includes.h"\r
  28 \r
  29 opj_volume_t* OPJ_CALLCONV opj_volume_create(int numcmpts, opj_volume_cmptparm_t *cmptparms, OPJ_COLOR_SPACE clrspc) {\r
  30         int compno;\r
  31         opj_volume_t *volume = NULL;\r
  32 \r
  33         volume = (opj_volume_t*)opj_malloc(sizeof(opj_volume_t));\r
  34         if(volume) {\r
  35                 volume->color_space = clrspc;\r
  36                 volume->numcomps = numcmpts;\r
  37                 /* allocate memory for the per-component information */\r
  38                 volume->comps = (opj_volume_comp_t*)opj_malloc(volume->numcomps * sizeof(opj_volume_comp_t));\r
  39                 if(!volume->comps) {\r
  40                         opj_volume_destroy(volume);\r
  41                         return NULL;\r
  42                 }\r
  43                 /* create the individual volume components */\r
  44                 for(compno = 0; compno < numcmpts; compno++) {\r
  45                         opj_volume_comp_t *comp = &volume->comps[compno];\r
  46                         comp->dx = cmptparms[compno].dx;\r
  47                         comp->dy = cmptparms[compno].dy;\r
  48                         comp->dz = cmptparms[compno].dz;\r
  49                         comp->w = cmptparms[compno].w;\r
  50                         comp->h = cmptparms[compno].h;\r
  51                         comp->l = cmptparms[compno].l;\r
  52                         comp->x0 = cmptparms[compno].x0;\r
  53                         comp->y0 = cmptparms[compno].y0;\r
  54                         comp->z0 = cmptparms[compno].z0;\r
  55                         comp->prec = cmptparms[compno].prec;\r
  56                         comp->bpp = cmptparms[compno].bpp;\r
  57                         comp->sgnd = cmptparms[compno].sgnd;\r
  58                         comp->bigendian = cmptparms[compno].bigendian;\r
  59                         comp->dcoffset = cmptparms[compno].dcoffset;\r
  60                         comp->data = (int*)opj_malloc(comp->w * comp->h * comp->l * sizeof(int));\r
  61                         if(!comp->data) {\r
  62                                 fprintf(stdout,"Unable to malloc comp->data (%d x %d x %d x bytes)",comp->w,comp->h,comp->l);\r
  63                                 opj_volume_destroy(volume);\r
  64                                 return NULL;\r
  65                         }\r
  66                         //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);\r
  67                 }\r
  68         }\r
  69 \r
  70         return volume;\r
  71 }\r
  72 \r
  73 void OPJ_CALLCONV opj_volume_destroy(opj_volume_t *volume) {\r
  74         int i;\r
  75         if(volume) {\r
  76                 if(volume->comps) {\r
  77                         /* volume components */\r
  78                         for(i = 0; i < volume->numcomps; i++) {\r
  79                                 opj_volume_comp_t *volume_comp = &volume->comps[i];\r
  80                                 if(volume_comp->data) {\r
  81                                         opj_free(volume_comp->data);\r
  82                                 }\r
  83                         }\r
  84                         opj_free(volume->comps);\r
  85                 }\r
  86                 opj_free(volume);\r
  87         }\r
  88 }\r
  89 \r