screen_w(3)

SCREEN_W, SCREEN_H – Global define to obtain the size of the screen. Allegro game programming library.

Synopsis

#include <allegro.h>

#define SCREEN_W;

#define SCREEN_H;

Global defines that return the width and height of the screen, or zero if the screen has not been initialised yet. Example:

 char buf[100];
 ...
 uszprintf(buf, sizeof(buf),
 "The screen size is %d x %d pixels",
 SCREEN_W, SCREEN_H);