1set_multiply_blender(3)         Allegro manual         set_multiply_blender(3)
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NAME

6       set_multiply_blender  -  Enables  a multiply blender mode. Allegro game
7       programming library.
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SYNOPSIS

10       #include <allegro.h>
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13       void set_multiply_blender(int r, int g, int b, int a);
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DESCRIPTION

16       Enables a multiply blender mode for combining translucent or lit  true‐
17       color  pixels.  Combines the source and destination images, multiplying
18       the colours to produce a darker colour. If a colour  is  multiplied  by
19       white  it  remains  unchanged; when multiplied by black it also becomes
20       black.
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SEE ALSO

24       set_trans_blender(3), drawing_mode(3), exalpha(3)
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28Allegro                          version 4.4.3         set_multiply_blender(3)