- if (img->fops->read(buf, sizeof buf, img->f) != sizeof buf)
- goto readerr;
- count = unpack_16_le(buf+0);
+ tmp = calloc(height, width);
+ if (!tmp) {
+ lbx_error_raise(LBX_ENOMEM);
+ return NULL;
+ }
+
+ new = malloc(height * sizeof *new);
+ if (!new) {
+ lbx_error_raise(LBX_ENOMEM);
+ free(tmp);
+ return NULL;
+ }
+
+ for (i = 0; i < height; i++) {
+ new[i] = tmp + i * width;
+ }
+
+ return new;
+}
+
+int lbx_img_seek(struct lbx_image *pub, unsigned frame)
+{
+ struct lbx_image_priv *img = (struct lbx_image_priv *)pub;
+
+ if (frame >= pub->frames) {
+ lbx_error_raise(LBX_EINVAL);
+ return -1;
+ }
+
+ if (img->fops->seek(img->f, img->offsets[frame], SEEK_SET)) {
+ return -1;
+ }
+
+ if (!(img->flags & FLAG_RAW)) {
+ unsigned char buf[4];