I'm learning to use Allegro. I'm trying to make my character cut out. How do I key out a certain color from my bitmap? which way is used for allegro? Thanks
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These might be places to start:
http://www.allegro.cc/manual/api/blitting-and-sprites/draw_trans_sprite
http://wiki.allegro.cc/index.php?title=Alpha_channel#Drawing_to_the_alpha_channel_in_Allegro

Cogwheel
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http://www.allegro.cc/manual/api/blitting-and-sprites/draw_sprite
"Transparent pixels are marked by a zero in 256-color modes or bright pink for truecolor data (maximum red and blue, zero green)."

Archaea
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