1  /****************************************************************************
       2   *
       3   * afcover.h
       4   *
       5   *   Auto-fitter coverages (specification only).
       6   *
       7   * Copyright (C) 2013-2023 by
       8   * David Turner, Robert Wilhelm, and Werner Lemberg.
       9   *
      10   * This file is part of the FreeType project, and may only be used,
      11   * modified, and distributed under the terms of the FreeType project
      12   * license, LICENSE.TXT.  By continuing to use, modify, or distribute
      13   * this file you indicate that you have read the license and
      14   * understand and accept it fully.
      15   *
      16   */
      17  
      18  
      19    /* This header file can be included multiple times. */
      20    /* Define `COVERAGE' as needed.                     */
      21  
      22  
      23    /* Add new coverages here.  The first and second arguments are the   */
      24    /* coverage name in lowercase and uppercase, respectively, followed  */
      25    /* by a description string.  The last four arguments are the four    */
      26    /* characters defining the corresponding OpenType feature.           */
      27  
      28  #if 0
      29    /* XXX: It's not possible to define blue zone characters in advance. */
      30    COVERAGE( alternative_fractions, ALTERNATIVE_FRACTIONS,
      31              "alternative fractions",
      32              'a', 'f', 'r', 'c' )
      33  #endif
      34  
      35    COVERAGE( petite_capitals_from_capitals, PETITE_CAPITALS_FROM_CAPITALS,
      36              "petite capitals from capitals",
      37              'c', '2', 'c', 'p' )
      38  
      39    COVERAGE( small_capitals_from_capitals, SMALL_CAPITALS_FROM_CAPITALS,
      40              "small capitals from capitals",
      41              'c', '2', 's', 'c' )
      42  
      43  #if 0
      44    /* XXX: Only digits are in this coverage, however, both normal style */
      45    /*      and oldstyle representation forms are possible.              */
      46    COVERAGE( denominators, DENOMINATORS,
      47              "denominators",
      48              'd', 'n', 'o', 'm' )
      49  #endif
      50  
      51  #if 0
      52    /* XXX: It's not possible to define blue zone characters in advance. */
      53    COVERAGE( fractions, FRACTIONS,
      54              "fractions",
      55              'f', 'r', 'a', 'c' )
      56  #endif
      57  
      58  #if 0
      59    /* XXX: Only digits are in this coverage, however, both normal style */
      60    /*      and oldstyle representation forms are possible.              */
      61    COVERAGE( numerators, NUMERATORS,
      62              "numerators",
      63              'n', 'u', 'm', 'r' )
      64  #endif
      65  
      66    COVERAGE( ordinals, ORDINALS,
      67              "ordinals",
      68              'o', 'r', 'd', 'n' )
      69  
      70    COVERAGE( petite_capitals, PETITE_CAPITALS,
      71              "petite capitals",
      72              'p', 'c', 'a', 'p' )
      73  
      74    COVERAGE( ruby, RUBY,
      75              "ruby",
      76              'r', 'u', 'b', 'y' )
      77  
      78    COVERAGE( scientific_inferiors, SCIENTIFIC_INFERIORS,
      79              "scientific inferiors",
      80              's', 'i', 'n', 'f' )
      81  
      82    COVERAGE( small_capitals, SMALL_CAPITALS,
      83              "small capitals",
      84              's', 'm', 'c', 'p' )
      85  
      86    COVERAGE( subscript, SUBSCRIPT,
      87              "subscript",
      88              's', 'u', 'b', 's' )
      89  
      90    COVERAGE( superscript, SUPERSCRIPT,
      91              "superscript",
      92              's', 'u', 'p', 's' )
      93  
      94    COVERAGE( titling, TITLING,
      95              "titling",
      96              't', 'i', 't', 'l' )
      97  
      98  #if 0
      99    /* to be always excluded */
     100    COVERAGE(nalt, 'n', 'a', 'l', 't'); /* Alternate Annotation Forms (?) */
     101    COVERAGE(ornm, 'o', 'r', 'n', 'm'); /* Ornaments (?) */
     102  #endif
     103  
     104  
     105  /* END */