// Some simple UI widgets for test use.
+namespace movit {
+
void draw_hsv_wheel(float y, float rad, float theta, float value);
void draw_saturation_bar(float y, float saturation);
void make_hsv_wheel_texture();
void read_colorwheel(float xf, float yf, float *rad, float *theta, float *value);
+} // namespace movit
+
#endif // !defined(_MOVIT_WIDGETS_H)