+/* values for animation mode (frame order and direction) */
+#define ANIM_NONE 0
+#define ANIM_LOOP (1 << 0)
+#define ANIM_LINEAR (1 << 1)
+#define ANIM_PINGPONG (1 << 2)
+#define ANIM_PINGPONG2 (1 << 3)
+#define ANIM_RANDOM (1 << 4)
+#define ANIM_REVERSE (1 << 5)
+