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VIRTUAL_W(3)                    Allegro manual                    VIRTUAL_W(3)

NAME
       VIRTUAL_W, VIRTUAL_H - Global define to obtain the virtual size of the
       screen. Allegro game programming library.

SYNOPSIS
       #include <allegro.h>

       #define VIRTUAL_W;

       #define VIRTUAL_H;

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

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

SEE ALSO
       screen(3), set_gfx_mode(3), SCREEN_W(3), SCREEN_H(3)

Allegro                          version 4.4.2                    VIRTUAL_W(3)