ex_bitmap works but not ex_draw_bitmap...
ex_bitmap uses a .pcx file; ex_draw_bitmap a .png, so I've saved my texture as .pcx and the problem has disappeared. But I don't want to use PCX, because of
transparency, so if you have another suggestion, please tell me.
I've compiled the Allegro library with this version of GCC:
Using built-in specs.
Thread model: posix
gcc version 4.0.1 (Apple Inc. build 5465)