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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.  
  29. opj_image_t* opj_image_create0(void) {
  30.         opj_image_t *image = (opj_image_t*)opj_calloc(1, sizeof(opj_image_t));
  31.         return image;
  32. }
  33.  
  34. opj_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_calloc(1, 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.                         fprintf(stderr,"Unable to allocate memory for image.\n");
  46.                         opj_image_destroy(image);
  47.                         return NULL;
  48.                 }
  49.                 /* create the individual image components */
  50.                 for(compno = 0; compno < numcmpts; compno++) {
  51.                         opj_image_comp_t *comp = &image->comps[compno];
  52.                         comp->dx = cmptparms[compno].dx;
  53.                         comp->dy = cmptparms[compno].dy;
  54.                         comp->w = cmptparms[compno].w;
  55.                         comp->h = cmptparms[compno].h;
  56.                         comp->x0 = cmptparms[compno].x0;
  57.                         comp->y0 = cmptparms[compno].y0;
  58.                         comp->prec = cmptparms[compno].prec;
  59.                         comp->bpp = cmptparms[compno].bpp;
  60.                         comp->sgnd = cmptparms[compno].sgnd;
  61.                         comp->data = (int*) opj_calloc(comp->w * comp->h, sizeof(int));
  62.                         if(!comp->data) {
  63.                                 fprintf(stderr,"Unable to allocate memory for image.\n");
  64.                                 opj_image_destroy(image);
  65.                                 return NULL;
  66.                         }
  67.                 }
  68.         }
  69.  
  70.         return image;
  71. }
  72.  
  73. void OPJ_CALLCONV opj_image_destroy(opj_image_t *image) {
  74.         int i;
  75.         if(image) {
  76.                 if(image->comps) {
  77.                         /* image components */
  78.                         for(i = 0; i < image->numcomps; i++) {
  79.                                 opj_image_comp_t *image_comp = &image->comps[i];
  80.                                 if(image_comp->data) {
  81.                                         opj_free(image_comp->data);
  82.                                 }
  83.                         }
  84.                         opj_free(image->comps);
  85.                 }
  86.                 opj_free(image);
  87.         }
  88. }
  89.  
  90.