4 #define PACK_RGB16(r, g, b) \
5 (((((r) >> 3) & 0x1f) << 11) | ((((g) >> 2) & 0x3f) << 5) | (((b) >> 3) & 0x1f))
7 #define PACK_RGB32(r, g, b) \
8 ((((r) & 0xff) << 16) | (((g) & 0xff) << 8) | ((b) & 0xff))
10 int clip_line(int *x0, int *y0, int *x1, int *y1, int xmin, int ymin, int xmax, int ymax);
11 void draw_line(int x0, int y0, int x1, int y1, unsigned short color);
13 #endif /* GFXUTIL_H_ */