1set_difference_blender(3) Allegro manual set_difference_blender(3)
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6 set_difference_blender - Enables a difference blender mode. Allegro
7 game programming library.
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10 #include <allegro.h>
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13 void set_difference_blender(int r, int g, int b, int a);
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16 Enables a difference blender mode for combining translucent or lit
17 truecolor pixels. This makes an image which has colours calculated by
18 the difference between the source and destination colours.
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22 set_trans_blender(3), drawing_mode(3)
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26Allegro version 4.4.3 set_difference_blender(3)