-opj_image_t* OPJ_CALLCONV opj_image_create(OPJ_UINT32 numcmpts, opj_image_cmptparm_t *cmptparms, OPJ_COLOR_SPACE clrspc) {
- OPJ_UINT32 compno;
- opj_image_t *image = NULL;
-
- image = (opj_image_t*) opj_calloc(1, 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_calloc(1,image->numcomps * sizeof(opj_image_comp_t));
- if(!image->comps) {
- fprintf(stderr,"Unable to allocate memory for image.\n");
- 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 = (OPJ_INT32*) opj_calloc(comp->w * comp->h, sizeof(OPJ_INT32));
- if(!comp->data) {
- fprintf(stderr,"Unable to allocate memory for image.\n");
- opj_image_destroy(image);
- return NULL;
- }
- }
- }
-
- return image;
+opj_image_t* OPJ_CALLCONV opj_image_create(OPJ_UINT32 numcmpts,
+ opj_image_cmptparm_t *cmptparms, OPJ_COLOR_SPACE clrspc)
+{
+ OPJ_UINT32 compno;
+ opj_image_t *image = NULL;
+
+ image = (opj_image_t*) opj_calloc(1, 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_calloc(image->numcomps,
+ sizeof(opj_image_comp_t));
+ if (!image->comps) {
+ /* TODO replace with event manager, breaks API */
+ /* fprintf(stderr,"Unable to allocate memory for image.\n"); */
+ 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;
+ if (comp->h != 0 &&
+ (OPJ_SIZE_T)comp->w > SIZE_MAX / comp->h / sizeof(OPJ_INT32)) {
+ /* TODO event manager */
+ opj_image_destroy(image);
+ return NULL;
+ }
+ comp->data = (OPJ_INT32*) opj_image_data_alloc(
+ (size_t)comp->w * comp->h * sizeof(OPJ_INT32));
+ if (!comp->data) {
+ /* TODO replace with event manager, breaks API */
+ /* fprintf(stderr,"Unable to allocate memory for image.\n"); */
+ opj_image_destroy(image);
+ return NULL;
+ }
+ memset(comp->data, 0, (size_t)comp->w * comp->h * sizeof(OPJ_INT32));
+ }
+ }
+
+ return image;