6 void gradient_render(Surface *sf, int w, int h);
7 void gradient_vertical(Surface *sf, int w, int h);
8 void gradient_horizontal(Surface *sf, int w, int h);
9 void gradient_diagonal(Surface *sf, int w, int h);
10 void gradient_crossdiagonal(Surface *sf, int w, int h);
11 void gradient_solid(Appearance *l, int x, int y, int w, int h);
12 void highlight(pixel32 *x, pixel32 *y, gboolean raised);
14 #endif /* __gradient_h */