- inline void highlight(pixel32 *x, pixel32 *y, bool raised) const;
- void reduceDepth(Surface &sf, XImage *im) const;
- void verticalGradient(Surface &sf, const RenderTexture &texture) const;
- void diagonalGradient(Surface &sf, const RenderTexture &texture) const;
- void crossDiagonalGradient(Surface &sf, const RenderTexture &texture) const;
- virtual void drawGradientBackground(Surface &sf,
- const RenderTexture &texture) const;
-