[trunk] Add a temporary work around for issue 293
[openjpeg.git] / src / lib / openjp2 / image.c
index d0bcebee4f158a4b28440bad10e1ca266c23f807..24f868d45c6006fed3c8ddc9f94bee47f3a46cc4 100644 (file)
@@ -40,7 +40,7 @@ opj_image_t* OPJ_CALLCONV opj_image_create(OPJ_UINT32 numcmpts, opj_image_cmptpa
                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));
+               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);
@@ -58,7 +58,7 @@ opj_image_t* OPJ_CALLCONV opj_image_create(OPJ_UINT32 numcmpts, opj_image_cmptpa
                        comp->prec = cmptparms[compno].prec;
                        comp->bpp = cmptparms[compno].bpp;
                        comp->sgnd = cmptparms[compno].sgnd;
-                       comp->data = (int*) opj_calloc(comp->w * comp->h, sizeof(int));
+                       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);
@@ -106,23 +106,23 @@ void opj_image_comp_header_update(opj_image_t * p_image_header, const struct opj
        OPJ_INT32 l_comp_x0, l_comp_y0, l_comp_x1, l_comp_y1;
        opj_image_comp_t* l_img_comp = NULL;
 
-       l_x0 = opj_int_max(p_cp->tx0 , p_image_header->x0);
-       l_y0 = opj_int_max(p_cp->ty0 , p_image_header->y0);
-       l_x1 = opj_int_min(p_cp->tx0 + p_cp->tw * p_cp->tdx, p_image_header->x1);
-       l_y1 = opj_int_min(p_cp->ty0 + p_cp->th * p_cp->tdy, p_image_header->y1);
+       l_x0 = opj_int_max((OPJ_INT32)p_cp->tx0 , (OPJ_INT32)p_image_header->x0);
+       l_y0 = opj_int_max((OPJ_INT32)p_cp->ty0 , (OPJ_INT32)p_image_header->y0);
+       l_x1 = opj_int_min((OPJ_INT32)(p_cp->tx0 + p_cp->tw * p_cp->tdx), (OPJ_INT32)p_image_header->x1);
+       l_y1 = opj_int_min((OPJ_INT32)(p_cp->ty0 + p_cp->th * p_cp->tdy), (OPJ_INT32)p_image_header->y1);
 
        l_img_comp = p_image_header->comps;
        for     (i = 0; i < p_image_header->numcomps; ++i) {
-               l_comp_x0 = opj_int_ceildiv(l_x0, l_img_comp->dx);
-               l_comp_y0 = opj_int_ceildiv(l_y0, l_img_comp->dy);
-               l_comp_x1 = opj_int_ceildiv(l_x1, l_img_comp->dx);
-               l_comp_y1 = opj_int_ceildiv(l_y1, l_img_comp->dy);
-               l_width = opj_int_ceildivpow2(l_comp_x1 - l_comp_x0, l_img_comp->factor);
-               l_height = opj_int_ceildivpow2(l_comp_y1 - l_comp_y0, l_img_comp->factor);
+               l_comp_x0 = opj_int_ceildiv(l_x0, (OPJ_INT32)l_img_comp->dx);
+               l_comp_y0 = opj_int_ceildiv(l_y0, (OPJ_INT32)l_img_comp->dy);
+               l_comp_x1 = opj_int_ceildiv(l_x1, (OPJ_INT32)l_img_comp->dx);
+               l_comp_y1 = opj_int_ceildiv(l_y1, (OPJ_INT32)l_img_comp->dy);
+               l_width = (OPJ_UINT32)opj_int_ceildivpow2(l_comp_x1 - l_comp_x0, (OPJ_INT32)l_img_comp->factor);
+               l_height = (OPJ_UINT32)opj_int_ceildivpow2(l_comp_y1 - l_comp_y0, (OPJ_INT32)l_img_comp->factor);
                l_img_comp->w = l_width;
                l_img_comp->h = l_height;
-               l_img_comp->x0 = l_comp_x0/*l_x0*/;
-               l_img_comp->y0 = l_comp_y0/*l_y0*/;
+               l_img_comp->x0 = (OPJ_UINT32)l_comp_x0/*l_x0*/;
+               l_img_comp->y0 = (OPJ_UINT32)l_comp_y0/*l_y0*/;
                ++l_img_comp;
        }
 }