kc3-lang/freetype/src/autofit/afblue.h

• Show log

  Commit

• Hash : d3284462
  Author :
  Date : 2015-03-11T16:45:58
  

  [autofit] Add support for Arabic script. Thanks to Titus Nemeth <tn@tntypography.eu> for guidance! * src/autofit/afblue.dat: Add blue zone data for Arabic. * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. * src/autofit/afscript.h: Add Arabic standard characters. * src/autofit/afranges.c: Add Arabic data. * src/autofit/afstyles.h: Add Arabic data. * docs/CHANGES: Document it.

Download

• src/autofit/afblue.h

• /* This file has been generated by the Perl script `afblue.pl', */
  /* using data from file `afblue.dat'.                           */
  
  /***************************************************************************/
  /*                                                                         */
  /*  afblue.h                                                               */
  /*                                                                         */
  /*    Auto-fitter data for blue strings (specification).                   */
  /*                                                                         */
  /*  Copyright 2013-2015 by                                                 */
  /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
  /*                                                                         */
  /*  This file is part of the FreeType project, and may only be used,       */
  /*  modified, and distributed under the terms of the FreeType project      */
  /*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
  /*  this file you indicate that you have read the license and              */
  /*  understand and accept it fully.                                        */
  /*                                                                         */
  /***************************************************************************/
  
  
  #ifndef __AFBLUE_H__
  #define __AFBLUE_H__
  
  
  FT_BEGIN_HEADER
  
  
    /* an auxiliary macro to decode a UTF-8 character -- since we only use */
    /* hard-coded, self-converted data, no error checking is performed     */
  #define GET_UTF8_CHAR( ch, p )                    \
            ch = (unsigned char)*p++;               \
            if ( ch >= 0x80 )                       \
            {                                       \
              FT_UInt  len;                         \
                                                    \
                                                    \
              if ( ch < 0xE0 )                      \
              {                                     \
                len = 1;                            \
                ch &= 0x1F;                         \
              }                                     \
              else if ( ch < 0xF0 )                 \
              {                                     \
                len = 2;                            \
                ch &= 0x0F;                         \
              }                                     \
              else                                  \
              {                                     \
                len = 3;                            \
                ch &= 0x07;                         \
              }                                     \
                                                    \
              for ( ; len > 0; len-- )              \
                ch = ( ch << 6 ) | ( *p++ & 0x3F ); \
            }
  
  
    /*************************************************************************/
    /*************************************************************************/
    /*****                                                               *****/
    /*****                    B L U E   S T R I N G S                    *****/
    /*****                                                               *****/
    /*************************************************************************/
    /*************************************************************************/
  
    /* At the bottommost level, we define strings for finding blue zones. */
  
  
  #define AF_BLUE_STRING_MAX_LEN  51
  
    /* The AF_Blue_String enumeration values are offsets into the */
    /* `af_blue_strings' array.                                   */
  
    typedef enum  AF_Blue_String_
    {
      AF_BLUE_STRING_ARABIC_TOP = 0,
      AF_BLUE_STRING_ARABIC_JOIN = 13,
      AF_BLUE_STRING_CYRILLIC_CAPITAL_TOP = 24,
      AF_BLUE_STRING_CYRILLIC_CAPITAL_BOTTOM = 41,
      AF_BLUE_STRING_CYRILLIC_SMALL = 58,
      AF_BLUE_STRING_CYRILLIC_SMALL_DESCENDER = 75,
      AF_BLUE_STRING_DEVANAGARI_BASE = 82,
      AF_BLUE_STRING_DEVANAGARI_TOP = 107,
      AF_BLUE_STRING_DEVANAGARI_HEAD = 132,
      AF_BLUE_STRING_DEVANAGARI_BOTTOM = 157,
      AF_BLUE_STRING_GREEK_CAPITAL_TOP = 164,
      AF_BLUE_STRING_GREEK_CAPITAL_BOTTOM = 179,
      AF_BLUE_STRING_GREEK_SMALL_BETA_TOP = 192,
      AF_BLUE_STRING_GREEK_SMALL = 205,
      AF_BLUE_STRING_GREEK_SMALL_DESCENDER = 222,
      AF_BLUE_STRING_HEBREW_TOP = 239,
      AF_BLUE_STRING_HEBREW_BOTTOM = 256,
      AF_BLUE_STRING_HEBREW_DESCENDER = 269,
      AF_BLUE_STRING_LATIN_CAPITAL_TOP = 280,
      AF_BLUE_STRING_LATIN_CAPITAL_BOTTOM = 289,
      AF_BLUE_STRING_LATIN_SMALL_F_TOP = 298,
      AF_BLUE_STRING_LATIN_SMALL = 306,
      AF_BLUE_STRING_LATIN_SMALL_DESCENDER = 314,
      AF_BLUE_STRING_TELUGU_TOP = 320,
      AF_BLUE_STRING_TELUGU_BOTTOM = 342,
      AF_BLUE_STRING_THAI_TOP = 364,
      AF_BLUE_STRING_THAI_BOTTOM = 383,
      AF_BLUE_STRING_THAI_ASCENDER = 405,
      AF_BLUE_STRING_THAI_LARGE_ASCENDER = 415,
      AF_BLUE_STRING_THAI_DESCENDER = 425,
      AF_BLUE_STRING_THAI_LARGE_DESCENDER = 438,
      AF_BLUE_STRING_THAI_DIGIT_TOP = 445,
      af_blue_1_1 = 454,
  #ifdef AF_CONFIG_OPTION_CJK
      AF_BLUE_STRING_CJK_TOP = af_blue_1_1 + 1,
      AF_BLUE_STRING_CJK_BOTTOM = af_blue_1_1 + 153,
      af_blue_1_1_1 = af_blue_1_1 + 304,
  #ifdef AF_CONFIG_OPTION_CJK_BLUE_HANI_VERT
      AF_BLUE_STRING_CJK_LEFT = af_blue_1_1_1 + 1,
      AF_BLUE_STRING_CJK_RIGHT = af_blue_1_1_1 + 153,
      af_blue_1_1_2 = af_blue_1_1_1 + 304,
  #else
      af_blue_1_1_2 = af_blue_1_1_1 + 0,
  #endif /* AF_CONFIG_OPTION_CJK_BLUE_HANI_VERT */
      af_blue_1_2 = af_blue_1_1_2 + 0,
  #else
      af_blue_1_2 = af_blue_1_1 + 0,
  #endif /* AF_CONFIG_OPTION_CJK                */
  
  
      AF_BLUE_STRING_MAX   /* do not remove */
  
    } AF_Blue_String;
  
  
    FT_LOCAL_ARRAY( char )
    af_blue_strings[];
  
  
    /*************************************************************************/
    /*************************************************************************/
    /*****                                                               *****/
    /*****                 B L U E   S T R I N G S E T S                 *****/
    /*****                                                               *****/
    /*************************************************************************/
    /*************************************************************************/
  
    /* The next level is to group blue strings into style-specific sets. */
  
  
    /* Properties are specific to a writing system.  We assume that a given  */
    /* blue string can't be used in more than a single writing system, which */
    /* is a safe bet.                                                        */
  #define AF_BLUE_PROPERTY_LATIN_TOP       ( 1U << 0 )  /* must have value 1 */
  #define AF_BLUE_PROPERTY_LATIN_NEUTRAL   ( 1U << 1 )
  #define AF_BLUE_PROPERTY_LATIN_X_HEIGHT  ( 1U << 2 )
  #define AF_BLUE_PROPERTY_LATIN_LONG      ( 1U << 3 )
  
  #define AF_BLUE_PROPERTY_CJK_TOP    ( 1U << 0 )       /* must have value 1 */
  #define AF_BLUE_PROPERTY_CJK_HORIZ  ( 1U << 1 )       /* must have value 2 */
  #define AF_BLUE_PROPERTY_CJK_RIGHT  AF_BLUE_PROPERTY_CJK_TOP
  
  
  #define AF_BLUE_STRINGSET_MAX_LEN  8
  
    /* The AF_Blue_Stringset enumeration values are offsets into the */
    /* `af_blue_stringsets' array.                                   */
  
    typedef enum  AF_Blue_Stringset_
    {
      AF_BLUE_STRINGSET_ARAB = 0,
      AF_BLUE_STRINGSET_CYRL = 3,
      AF_BLUE_STRINGSET_DEVA = 9,
      AF_BLUE_STRINGSET_GREK = 15,
      AF_BLUE_STRINGSET_HEBR = 22,
      AF_BLUE_STRINGSET_LATN = 26,
      AF_BLUE_STRINGSET_TELU = 33,
      AF_BLUE_STRINGSET_THAI = 36,
      af_blue_2_1 = 44,
  #ifdef AF_CONFIG_OPTION_CJK
      AF_BLUE_STRINGSET_HANI = af_blue_2_1 + 0,
      af_blue_2_1_1 = af_blue_2_1 + 2,
  #ifdef AF_CONFIG_OPTION_CJK_BLUE_HANI_VERT
      af_blue_2_1_2 = af_blue_2_1_1 + 2,
  #else
      af_blue_2_1_2 = af_blue_2_1_1 + 0,
  #endif /* AF_CONFIG_OPTION_CJK_BLUE_HANI_VERT */
      af_blue_2_2 = af_blue_2_1_2 + 1,
  #else
      af_blue_2_2 = af_blue_2_1 + 0,
  #endif /* AF_CONFIG_OPTION_CJK                */
  
  
      AF_BLUE_STRINGSET_MAX   /* do not remove */
  
    } AF_Blue_Stringset;
  
  
    typedef struct  AF_Blue_StringRec_
    {
      AF_Blue_String  string;
      FT_UShort       properties;
  
    } AF_Blue_StringRec;
  
  
    FT_LOCAL_ARRAY( AF_Blue_StringRec )
    af_blue_stringsets[];
  
  /* */
  
  FT_END_HEADER
  
  
  #endif /* __AFBLUE_H__ */
  
  
  /* END */
  

Download