1al_get_pixel(3)            Library Functions Manual            al_get_pixel(3)
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NAME

6       al_get_pixel
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SYNOPSIS

9              #include <allegro5/allegro.h>
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11              ALLEGRO_COLOR al_get_pixel(ALLEGRO_BITMAP *bitmap, int x, int y)
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DESCRIPTION

14       Get a pixel's color value from the specified bitmap.  This operation is
15       slow on non-memory bitmaps.  Consider locking the  bitmap  if  you  are
16       going to use this function multiple times on the same bitmap.
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SEE ALSO

19       ALLEGRO_COLOR(3), al_put_pixel(3)
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23Allegro reference manual                                       al_get_pixel(3)