al_get_pixel
ALLEGRO_COLOR al_get_pixel(ALLEGRO_BITMAP *bitmap, int x, int y)
Get a pixel's color value from the specified bitmap. This operation is slow on non-memory bitmaps. Consider locking the bitmap if you are going to use this function multiple times on the same bitmap.
See also: ALLEGRO_COLOR, al_put_pixel
Examples: ex_blend_test, ex_logo
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