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       register_font_file_type  -  Register a new font loading function. Allegro game programming


       #include <allegro.h>

       void register_font_file_type(const char *ext,  FONT  *(*load)(const  char  *filename,  RGB
       *pal, void *param));


       Informs the load_font() functions of a new file type, providing a routine to read fonts in
       this format. The function you supply must follow the following prototype:

          FONT *load_my_font(const char *filename, RGB *pal, void *param)

       The pal parameter can optionally be used to return a palette for the FONT.  The  parameter
       param  can  be  anything  you  like:  you can use this to pass information to your loading
       routine, such as for instance the font height, the character range to load  or  the  index
       number  of  a font in a datafile.  If you choose to write your own font loading code, your
       function should be prepared to deal with a value of NULL for either of these parameters.