Merge pull request #1518 from dg0yt/static-windows
[openjpeg.git] / src / lib / openjp2 / image.c
index e62b416ca6299116c1b7978dbf42bc419a84f808..017201a002b06bca69853a1039cbc65059e7d2fb 100644 (file)
@@ -48,8 +48,8 @@ opj_image_t* OPJ_CALLCONV opj_image_create(OPJ_UINT32 numcmpts,
         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));
+        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"); */
@@ -66,15 +66,22 @@ opj_image_t* OPJ_CALLCONV opj_image_create(OPJ_UINT32 numcmpts,
             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->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));
         }
     }
 
@@ -91,7 +98,7 @@ void OPJ_CALLCONV opj_image_destroy(opj_image_t *image)
             for (compno = 0; compno < image->numcomps; compno++) {
                 opj_image_comp_t *image_comp = &(image->comps[compno]);
                 if (image_comp->data) {
-                    opj_free(image_comp->data);
+                    opj_image_data_free(image_comp->data);
                 }
             }
             opj_free(image->comps);
@@ -172,7 +179,7 @@ void opj_copy_image_header(const opj_image_t* p_image_src,
         for (compno = 0; compno < p_image_dest->numcomps; compno++) {
             opj_image_comp_t *image_comp = &(p_image_dest->comps[compno]);
             if (image_comp->data) {
-                opj_free(image_comp->data);
+                opj_image_data_free(image_comp->data);
             }
         }
         opj_free(p_image_dest->comps);