+void RrImagePicInit(RrImagePic *pic, gint w, gint h, RrPixel32 *data)
+{
+ gint i;
+
+ pic->width = w;
+ pic->height = h;
+ pic->data = data;
+ pic->sum = 0;
+ for (i = w*h; i > 0; --i)
+ pic->sum += *(data++);
+}
+
+static void RrImagePicFree(RrImagePic *pic)
+{
+ if (pic) {
+ g_free(pic->data);
+ g_free(pic);
+ }
+}
+
+/*! Add a picture to an Image, that is, add another copy of the image at
+ another size. This may add it to the "originals" list or to the
+ "resized" list. */