Returns the number of character ranges in a font.


Use this function to find out the number of character ranges in a font. You should query each of these ranges with get_font_range_begin() and get_font_range_end() to find out what characters are available in the font. Example:
      FONT *f;
      int range;
      int n;

range = get_font_ranges(f); printf("The font has %d character ranges:\n", range); for (n = 0; n < range; n++) printf("Range %d from 0x%03x - 0x%03x\n", get_font_range_begin(f, n), get_font_range_end(f, n));
Returns the number of continuous character ranges in a font, or -1 if that information is not available.

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