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is_inside_bitmap(3)             Allegro manual             is_inside_bitmap(3)

NAME
       is_inside_bitmap - Tells if a point is inside a bitmap. Allegro game
       programming library.

SYNOPSIS
       #include <allegro.h>

       int is_inside_bitmap(BITMAP *bmp, int x, int y, int clip);

DESCRIPTION
       Returns non-zero if point (x, y) lies inside the bitmap. If `clip' is
       non-zero, the function compares the coordinates with the clipping
       rectangle, that is it returns non-zero if the point lies inside the
       clipping rectangle or if clipping is disabled for the bitmap. If `clip'
       is zero, the function compares the coordinates with the actual
       dimensions of the bitmap.

SEE ALSO
       set_clip_rect(3), set_clip_state(3), getpixel(3)

Allegro                          version 4.4.2             is_inside_bitmap(3)