draw.h

   1 #define MIN(a, b)       ((a) < (b) ? (a) : (b))
   2 #define MAX(a, b)       ((a) > (b) ? (a) : (b))
   3
   4 /* framebuffer color depth */
   5 typedef unsigned short fbval_t;
   6
   7 /* framebuffer device path */
   8 #define FBDEV_PATH      "/dev/fb0"
   9
  10 void fb_init(void);
  11 void fb_free(void);
  12 fbval_t fb_color(unsigned char r, unsigned char g, unsigned char b);
  13 void fb_set(int r, int c, fbval_t *mem, int len);
  14 int fb_rows(void);
  15 int fb_cols(void);
  16 void fb_box(int sr, int sc, int er, int ec, fbval_t val);
  17 void fb_cmap(void);