/*
 * Copyright (c) 2005, Hervé Drolon, FreeImage Team
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */


#include "opj_includes.h"

opj_image_t* opj_image_create0() {
  opj_image_t *image = (opj_image_t*)opj_malloc(sizeof(opj_image_t));
  return image;
}

opj_image_t *opj_image_create(int numcmpts, opj_image_cmptparm_t *cmptparms, OPJ_COLOR_SPACE clrspc) {
  int compno;
  opj_image_t *image = NULL;

  image = (opj_image_t*)opj_malloc(sizeof(opj_image_t));
  if(image) {
    image->color_space = clrspc;
    image->numcomps = numcmpts;
    /* allocate memory for the per-component information */
    image->comps = (opj_image_comp_t*)opj_malloc(image->numcomps * sizeof(opj_image_comp_t));
    if(!image->comps) {
      opj_image_destroy(image);
      return NULL;
    }
    /* create the individual image components */
    for(compno = 0; compno < numcmpts; compno++) {
      opj_image_comp_t *comp = &image->comps[compno];
      comp->dx = cmptparms[compno].dx;
      comp->dy = cmptparms[compno].dy;
      comp->w = cmptparms[compno].w;
      comp->h = cmptparms[compno].h;
      comp->x0 = cmptparms[compno].x0;
      comp->y0 = cmptparms[compno].y0;
      comp->prec = cmptparms[compno].prec;
      comp->bpp = cmptparms[compno].bpp;
      comp->sgnd = cmptparms[compno].sgnd;
      comp->data = (int*)opj_malloc(comp->w * comp->h * sizeof(int));
      if(!comp->data) {
        opj_image_destroy(image);
        return NULL;
      }
    }
  }

  return image;
}

void opj_image_destroy(opj_image_t *image) {
  int i;
  if(image) {
    if(image->comps) {
      /* image components */
      for(i = 0; i < image->numcomps; i++) {
        opj_image_comp_t *image_comp = &image->comps[i];
        if(image_comp->data) {
          opj_free(image_comp->data);
        }
      }
      opj_free(image->comps);
    }
    opj_free(image);
  }
}