debian man page for transpose_font

transpose_font(3alleg4) 					  Allegro manual					   transpose_font(3alleg4)

NAME
       transpose_font - Transposes all characters in a font. Allegro game programming library.

SYNOPSIS
       #include <allegro.h>

       int transpose_font(FONT *f, int drange)

DESCRIPTION
       This function transposes all characters in a font, effectively remapping the font. Example:

	  FONT *myfont;
	  FONT *capitals;
	  ...
	  /* Create a font of only capital letters */
	  capitals = extract_font_range(myfont, 'A', 'Z');

	  /* Now transpose the characters in the font so that they will be used */
	  /*  for the lower case letters a-z */
	  transpose_font(capitals, 'a'-'A');
	  textout_ex(screen, capitals, "allcaps",
		     100, 100, makecol(255,255,255), 0);

RETURN VALUE
       Returns 0 on success, -1 on failure.

SEE ALSO
       get_font_range_begin(3alleg4), get_font_range_end(3alleg4), merge_fonts(3alleg4), extract_font_range(3alleg4)

Allegro 							   version 4.4.2					   transpose_font(3alleg4)