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/usr/include/freetype2/freetype

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config/	-	0755	rm
freetype.h	165119	0644	edit dl rm
ftadvanc.h	5470	0644	edit dl rm
ftbbox.h	2638	0644	edit dl rm
ftbdf.h	5322	0644	edit dl rm
ftbitmap.h	9051	0644	edit dl rm
ftbzip2.h	2786	0644	edit dl rm
ftcache.h	33858	0644	edit dl rm
ftchapters.h	2510	0644	edit dl rm
ftcid.h	4022	0644	edit dl rm
ftcolor.h	8913	0644	edit dl rm
ftdriver.h	47220	0644	edit dl rm
fterrdef.h	12336	0644	edit dl rm
fterrors.h	9291	0644	edit dl rm
ftfntfmt.h	2213	0644	edit dl rm
ftgasp.h	4138	0644	edit dl rm
ftglyph.h	18491	0644	edit dl rm
ftgxval.h	10625	0644	edit dl rm
ftgzip.h	4211	0644	edit dl rm
ftimage.h	39895	0644	edit dl rm
ftincrem.h	10310	0644	edit dl rm
ftlcdfil.h	11739	0644	edit dl rm
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ftlzw.h	2768	0644	edit dl rm
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ftmodapi.h	21777	0644	edit dl rm
ftmoderr.h	6601	0644	edit dl rm
ftotval.h	5346	0644	edit dl rm
ftoutln.h	17870	0644	edit dl rm
ftparams.h	5592	0644	edit dl rm
ftpfr.h	4910	0644	edit dl rm
ftrender.h	6625	0644	edit dl rm
ftsizes.h	4288	0644	edit dl rm
ftsnames.h	7730	0644	edit dl rm
ftstroke.h	21773	0644	edit dl rm
ftsynth.h	3362	0644	edit dl rm
ftsystem.h	8518	0644	edit dl rm
fttrigon.h	7411	0644	edit dl rm
fttypes.h	14487	0644	edit dl rm
ftwinfnt.h	7966	0644	edit dl rm
t1tables.h	22829	0644	edit dl rm
ttnameid.h	58769	0644	edit dl rm
tttables.h	25231	0644	edit dl rm
tttags.h	5092	0644	edit dl rm

Edit: /usr/include/freetype2/freetype/ftgxval.h (10625B)

/****************************************************************************
 *
 * ftgxval.h
 *
 *   FreeType API for validating TrueTypeGX/AAT tables (specification).
 *
 * Copyright (C) 2004-2020 by
 * Masatake YAMATO, Redhat K.K,
 * 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.
 *
 */

/****************************************************************************
 *
 * gxvalid is derived from both gxlayout module and otvalid module.
 * Development of gxlayout is supported by the Information-technology
 * Promotion Agency(IPA), Japan.
 *
 */

#ifndef FTGXVAL_H_
#define FTGXVAL_H_

#include <freetype/freetype.h>

#ifdef FREETYPE_H
#error "freetype.h of FreeType 1 has been loaded!"
#error "Please fix the directory search order for header files"
#error "so that freetype.h of FreeType 2 is found first."
#endif

FT_BEGIN_HEADER

/**************************************************************************
   *
   * @section:
   *   gx_validation
   *
   * @title:
   *   TrueTypeGX/AAT Validation
   *
   * @abstract:
   *   An API to validate TrueTypeGX/AAT tables.
   *
   * @description:
   *   This section contains the declaration of functions to validate some
   *   TrueTypeGX tables (feat, mort, morx, bsln, just, kern, opbd, trak,
   *   prop, lcar).
   *
   * @order:
   *   FT_TrueTypeGX_Validate
   *   FT_TrueTypeGX_Free
   *
   *   FT_ClassicKern_Validate
   *   FT_ClassicKern_Free
   *
   *   FT_VALIDATE_GX_LENGTH
   *   FT_VALIDATE_GXXXX
   *   FT_VALIDATE_CKERNXXX
   *
   */

/**************************************************************************
   *
   *
   * Warning: Use `FT_VALIDATE_XXX` to validate a table.
   *          Following definitions are for gxvalid developers.
   *
   *
   */

#define FT_VALIDATE_feat_INDEX     0
#define FT_VALIDATE_mort_INDEX     1
#define FT_VALIDATE_morx_INDEX     2
#define FT_VALIDATE_bsln_INDEX     3
#define FT_VALIDATE_just_INDEX     4
#define FT_VALIDATE_kern_INDEX     5
#define FT_VALIDATE_opbd_INDEX     6
#define FT_VALIDATE_trak_INDEX     7
#define FT_VALIDATE_prop_INDEX     8
#define FT_VALIDATE_lcar_INDEX     9
#define FT_VALIDATE_GX_LAST_INDEX  FT_VALIDATE_lcar_INDEX

/**************************************************************************
   *
   * @macro:
   *   FT_VALIDATE_GX_LENGTH
   *
   * @description:
   *   The number of tables checked in this module.  Use it as a parameter
   *   for the `table-length` argument of function @FT_TrueTypeGX_Validate.
   */
#define FT_VALIDATE_GX_LENGTH  ( FT_VALIDATE_GX_LAST_INDEX + 1 )

/* */

/* Up to 0x1000 is used by otvalid.
     Ox2xxx is reserved for feature OT extension. */
#define FT_VALIDATE_GX_START  0x4000
#define FT_VALIDATE_GX_BITFIELD( tag ) \
          ( FT_VALIDATE_GX_START << FT_VALIDATE_##tag##_INDEX )

/**************************************************************************
   *
   * @enum:
   *    FT_VALIDATE_GXXXX
   *
   * @description:
   *    A list of bit-field constants used with @FT_TrueTypeGX_Validate to
   *    indicate which TrueTypeGX/AAT Type tables should be validated.
   *
   * @values:
   *    FT_VALIDATE_feat ::
   *      Validate 'feat' table.
   *
   *    FT_VALIDATE_mort ::
   *      Validate 'mort' table.
   *
   *    FT_VALIDATE_morx ::
   *      Validate 'morx' table.
   *
   *    FT_VALIDATE_bsln ::
   *      Validate 'bsln' table.
   *
   *    FT_VALIDATE_just ::
   *      Validate 'just' table.
   *
   *    FT_VALIDATE_kern ::
   *      Validate 'kern' table.
   *
   *    FT_VALIDATE_opbd ::
   *      Validate 'opbd' table.
   *
   *    FT_VALIDATE_trak ::
   *      Validate 'trak' table.
   *
   *    FT_VALIDATE_prop ::
   *      Validate 'prop' table.
   *
   *    FT_VALIDATE_lcar ::
   *      Validate 'lcar' table.
   *
   *    FT_VALIDATE_GX ::
   *      Validate all TrueTypeGX tables (feat, mort, morx, bsln, just, kern,
   *      opbd, trak, prop and lcar).
   *
   */

#define FT_VALIDATE_feat  FT_VALIDATE_GX_BITFIELD( feat )
#define FT_VALIDATE_mort  FT_VALIDATE_GX_BITFIELD( mort )
#define FT_VALIDATE_morx  FT_VALIDATE_GX_BITFIELD( morx )
#define FT_VALIDATE_bsln  FT_VALIDATE_GX_BITFIELD( bsln )
#define FT_VALIDATE_just  FT_VALIDATE_GX_BITFIELD( just )
#define FT_VALIDATE_kern  FT_VALIDATE_GX_BITFIELD( kern )
#define FT_VALIDATE_opbd  FT_VALIDATE_GX_BITFIELD( opbd )
#define FT_VALIDATE_trak  FT_VALIDATE_GX_BITFIELD( trak )
#define FT_VALIDATE_prop  FT_VALIDATE_GX_BITFIELD( prop )
#define FT_VALIDATE_lcar  FT_VALIDATE_GX_BITFIELD( lcar )

#define FT_VALIDATE_GX  ( FT_VALIDATE_feat | \
                          FT_VALIDATE_mort | \
                          FT_VALIDATE_morx | \
                          FT_VALIDATE_bsln | \
                          FT_VALIDATE_just | \
                          FT_VALIDATE_kern | \
                          FT_VALIDATE_opbd | \
                          FT_VALIDATE_trak | \
                          FT_VALIDATE_prop | \
                          FT_VALIDATE_lcar )

/**************************************************************************
   *
   * @function:
   *    FT_TrueTypeGX_Validate
   *
   * @description:
   *    Validate various TrueTypeGX tables to assure that all offsets and
   *    indices are valid.  The idea is that a higher-level library that
   *    actually does the text layout can access those tables without error
   *    checking (which can be quite time consuming).
   *
   * @input:
   *    face ::
   *      A handle to the input face.
   *
   *    validation_flags ::
   *      A bit field that specifies the tables to be validated.  See
   *      @FT_VALIDATE_GXXXX for possible values.
   *
   *    table_length ::
   *      The size of the `tables` array.  Normally, @FT_VALIDATE_GX_LENGTH
   *      should be passed.
   *
   * @output:
   *    tables ::
   *      The array where all validated sfnt tables are stored.  The array
   *      itself must be allocated by a client.
   *
   * @return:
   *   FreeType error code.  0~means success.
   *
   * @note:
   *   This function only works with TrueTypeGX fonts, returning an error
   *   otherwise.
   *
   *   After use, the application should deallocate the buffers pointed to by
   *   each `tables` element, by calling @FT_TrueTypeGX_Free.  A `NULL` value
   *   indicates that the table either doesn't exist in the font, the
   *   application hasn't asked for validation, or the validator doesn't have
   *   the ability to validate the sfnt table.
   */
  FT_EXPORT( FT_Error )
  FT_TrueTypeGX_Validate( FT_Face   face,
                          FT_UInt   validation_flags,
                          FT_Bytes  tables[FT_VALIDATE_GX_LENGTH],
                          FT_UInt   table_length );

/**************************************************************************
   *
   * @function:
   *    FT_TrueTypeGX_Free
   *
   * @description:
   *    Free the buffer allocated by TrueTypeGX validator.
   *
   * @input:
   *    face ::
   *      A handle to the input face.
   *
   *    table ::
   *      The pointer to the buffer allocated by @FT_TrueTypeGX_Validate.
   *
   * @note:
   *   This function must be used to free the buffer allocated by
   *   @FT_TrueTypeGX_Validate only.
   */
  FT_EXPORT( void )
  FT_TrueTypeGX_Free( FT_Face   face,
                      FT_Bytes  table );

/**************************************************************************
   *
   * @enum:
   *    FT_VALIDATE_CKERNXXX
   *
   * @description:
   *    A list of bit-field constants used with @FT_ClassicKern_Validate to
   *    indicate the classic kern dialect or dialects.  If the selected type
   *    doesn't fit, @FT_ClassicKern_Validate regards the table as invalid.
   *
   * @values:
   *    FT_VALIDATE_MS ::
   *      Handle the 'kern' table as a classic Microsoft kern table.
   *
   *    FT_VALIDATE_APPLE ::
   *      Handle the 'kern' table as a classic Apple kern table.
   *
   *    FT_VALIDATE_CKERN ::
   *      Handle the 'kern' as either classic Apple or Microsoft kern table.
   */
#define FT_VALIDATE_MS     ( FT_VALIDATE_GX_START << 0 )
#define FT_VALIDATE_APPLE  ( FT_VALIDATE_GX_START << 1 )

#define FT_VALIDATE_CKERN  ( FT_VALIDATE_MS | FT_VALIDATE_APPLE )

/**************************************************************************
   *
   * @function:
   *    FT_ClassicKern_Validate
   *
   * @description:
   *    Validate classic (16-bit format) kern table to assure that the
   *    offsets and indices are valid.  The idea is that a higher-level
   *    library that actually does the text layout can access those tables
   *    without error checking (which can be quite time consuming).
   *
   *    The 'kern' table validator in @FT_TrueTypeGX_Validate deals with both
   *    the new 32-bit format and the classic 16-bit format, while
   *    FT_ClassicKern_Validate only supports the classic 16-bit format.
   *
   * @input:
   *    face ::
   *      A handle to the input face.
   *
   *    validation_flags ::
   *      A bit field that specifies the dialect to be validated.  See
   *      @FT_VALIDATE_CKERNXXX for possible values.
   *
   * @output:
   *    ckern_table ::
   *      A pointer to the kern table.
   *
   * @return:
   *   FreeType error code.  0~means success.
   *
   * @note:
   *   After use, the application should deallocate the buffers pointed to by
   *   `ckern_table`, by calling @FT_ClassicKern_Free.  A `NULL` value
   *   indicates that the table doesn't exist in the font.
   */
  FT_EXPORT( FT_Error )
  FT_ClassicKern_Validate( FT_Face    face,
                           FT_UInt    validation_flags,
                           FT_Bytes  *ckern_table );

/**************************************************************************
   *
   * @function:
   *    FT_ClassicKern_Free
   *
   * @description:
   *    Free the buffer allocated by classic Kern validator.
   *
   * @input:
   *    face ::
   *      A handle to the input face.
   *
   *    table ::
   *      The pointer to the buffer that is allocated by
   *      @FT_ClassicKern_Validate.
   *
   * @note:
   *   This function must be used to free the buffer allocated by
   *   @FT_ClassicKern_Validate only.
   */
  FT_EXPORT( void )
  FT_ClassicKern_Free( FT_Face   face,
                       FT_Bytes  table );

/* */

FT_END_HEADER

#endif /* FTGXVAL_H_ */

/* END */

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