+static void gradient_splitvertical(RrAppearance *a, gint w, gint h)
+{
+ gint x, y1, y2, y3, r, g, b;
+ RrSurface *sf = &a->surface;
+ RrPixel32 *data = sf->pixel_data;
+ RrPixel32 current;
+ RrColor *primary_light, *secondary_light;
+ gint y1sz, y2sz, y3sz;
+
+ VARS(y1);
+ VARS(y2);
+ VARS(y3);
+
+ r = sf->primary->r;
+ r += r >> 2;
+ g = sf->primary->g;
+ g += g >> 2;
+ b = sf->primary->b;
+ b += b >> 2;
+ if (r > 0xFF) r = 0xFF;
+ if (g > 0xFF) g = 0xFF;
+ if (b > 0xFF) b = 0xFF;
+ primary_light = RrColorNew(a->inst, r, g, b);
+
+ r = sf->secondary->r;
+ r += r >> 4;
+ g = sf->secondary->g;
+ g += g >> 4;
+ b = sf->secondary->b;
+ b += b >> 4;
+ if (r > 0xFF) r = 0xFF;
+ if (g > 0xFF) g = 0xFF;
+ if (b > 0xFF) b = 0xFF;
+ secondary_light = RrColorNew(a->inst, r, g, b);
+
+ y1sz = MAX(h/2 - 1, 1);
+ /* setup to get the colors _in between_ these other 2 */
+ y2sz = (h < 3 ? 0 : (h % 2 ? 3 : 2));
+ y3sz = MAX(h/2 - 1, 0);
+
+ SETUP(y1, primary_light, sf->primary, y1sz);
+ if (y2sz) {
+ SETUP(y2, sf->primary, sf->secondary, y2sz);
+ NEXT(y2); /* skip the first one, its the same as the last of y1 */
+ }
+ SETUP(y3, sf->secondary, secondary_light, y3sz);
+
+ for (y1 = y1sz; y1 > 0; --y1) {
+ current = COLOR(y1);
+ for (x = w - 1; x >= 0; --x)
+ *(data++) = current;
+
+ NEXT(y1);
+ }
+
+ for (y2 = y2sz; y2 > 0; --y2) {
+ current = COLOR(y2);
+ for (x = w - 1; x >= 0; --x)
+ *(data++) = current;
+
+ NEXT(y2);
+ }
+
+ for (y3 = y3sz; y3 > 0; --y3) {
+ current = COLOR(y3);
+ for (x = w - 1; x >= 0; --x)
+ *(data++) = current;
+
+ NEXT(y3);
+ }
+
+ RrColorFree(primary_light);
+ RrColorFree(secondary_light);
+}
+
+static void gradient_horizontal(RrSurface *sf, gint w, gint h)