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PATH: usr / include / freetype2 / freetype

/***************************************************************************/
/*                                                                         */
/*  ftparams.h                                                             */
/*                                                                         */
/*    FreeType API for possible FT_Parameter tags (specification only).    */
/*                                                                         */
/*  Copyright 2017-2018 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 FTPARAMS_H_
#define FTPARAMS_H_

#include <ft2build.h>
#include FT_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:
   *   parameter_tags
   *
   * @title:
   *   Parameter Tags
   *
   * @abstract:
   *   Macros for driver property and font loading parameter tags.
   *
   * @description:
   *   This section contains macros for the @FT_Parameter structure that are
   *   used with various functions to activate some special functionality or
   *   different behaviour of various components of FreeType.
   *
   */

/***************************************************************************
   *
   * @constant:
   *   FT_PARAM_TAG_IGNORE_TYPOGRAPHIC_FAMILY
   *
   * @description:
   *   A tag for @FT_Parameter to make @FT_Open_Face ignore typographic
   *   family names in the `name' table (introduced in OpenType version
   *   1.4).  Use this for backward compatibility with legacy systems that
   *   have a four-faces-per-family restriction.
   *
   * @since:
   *   2.8
   *
   */
#define FT_PARAM_TAG_IGNORE_TYPOGRAPHIC_FAMILY \
          FT_MAKE_TAG( 'i', 'g', 'p', 'f' )

/* this constant is deprecated */
#define FT_PARAM_TAG_IGNORE_PREFERRED_FAMILY \
          FT_PARAM_TAG_IGNORE_TYPOGRAPHIC_FAMILY

/***************************************************************************
   *
   * @constant:
   *   FT_PARAM_TAG_IGNORE_TYPOGRAPHIC_SUBFAMILY
   *
   * @description:
   *   A tag for @FT_Parameter to make @FT_Open_Face ignore typographic
   *   subfamily names in the `name' table (introduced in OpenType version
   *   1.4).  Use this for backward compatibility with legacy systems that
   *   have a four-faces-per-family restriction.
   *
   * @since:
   *   2.8
   *
   */
#define FT_PARAM_TAG_IGNORE_TYPOGRAPHIC_SUBFAMILY \
          FT_MAKE_TAG( 'i', 'g', 'p', 's' )

/* this constant is deprecated */
#define FT_PARAM_TAG_IGNORE_PREFERRED_SUBFAMILY \
          FT_PARAM_TAG_IGNORE_TYPOGRAPHIC_SUBFAMILY

/***************************************************************************
   *
   * @constant:
   *   FT_PARAM_TAG_INCREMENTAL
   *
   * @description:
   *   An @FT_Parameter tag to be used with @FT_Open_Face to indicate
   *   incremental glyph loading.
   *
   */
#define FT_PARAM_TAG_INCREMENTAL \
          FT_MAKE_TAG( 'i', 'n', 'c', 'r' )

/**************************************************************************
   *
   * @constant:
   *   FT_PARAM_TAG_LCD_FILTER_WEIGHTS
   *
   * @description:
   *   An @FT_Parameter tag to be used with @FT_Face_Properties.  The
   *   corresponding argument specifies the five LCD filter weights for a
   *   given face (if using @FT_LOAD_TARGET_LCD, for example), overriding
   *   the global default values or the values set up with
   *   @FT_Library_SetLcdFilterWeights.
   *
   * @since:
   *   2.8
   *
   */
#define FT_PARAM_TAG_LCD_FILTER_WEIGHTS \
          FT_MAKE_TAG( 'l', 'c', 'd', 'f' )

/**************************************************************************
   *
   * @constant:
   *   FT_PARAM_TAG_RANDOM_SEED
   *
   * @description:
   *   An @FT_Parameter tag to be used with @FT_Face_Properties.  The
   *   corresponding 32bit signed integer argument overrides the font
   *   driver's random seed value with a face-specific one; see
   *   @random-seed.
   *
   * @since:
   *   2.8
   *
   */
#define FT_PARAM_TAG_RANDOM_SEED \
          FT_MAKE_TAG( 's', 'e', 'e', 'd' )

/**************************************************************************
   *
   * @constant:
   *   FT_PARAM_TAG_STEM_DARKENING
   *
   * @description:
   *   An @FT_Parameter tag to be used with @FT_Face_Properties.  The
   *   corresponding Boolean argument specifies whether to apply stem
   *   darkening, overriding the global default values or the values set up
   *   with @FT_Property_Set (see @no-stem-darkening).
   *
   *   This is a passive setting that only takes effect if the font driver
   *   or autohinter honors it, which the CFF, Type~1, and CID drivers
   *   always do, but the autohinter only in `light' hinting mode (as of
   *   version 2.9).
   *
   * @since:
   *   2.8
   *
   */
#define FT_PARAM_TAG_STEM_DARKENING \
          FT_MAKE_TAG( 'd', 'a', 'r', 'k' )

/***************************************************************************
  *
  * @constant:
  *   FT_PARAM_TAG_UNPATENTED_HINTING
  *
  * @description:
  *   Deprecated, no effect.
  *
  *   Previously: A constant used as the tag of an @FT_Parameter structure to
  *   indicate that unpatented methods only should be used by the TrueType
  *   bytecode interpreter for a typeface opened by @FT_Open_Face.
  *
  */
#define FT_PARAM_TAG_UNPATENTED_HINTING \
          FT_MAKE_TAG( 'u', 'n', 'p', 'a' )

/* */

FT_END_HEADER

#endif /* FTPARAMS_H_ */

/* END */

[-] ftgasp.h [edit]
[-] ftbzip2.h [edit]
[-] fterrdef.h [edit]
[-] tttags.h [edit]
[-] ftlist.h [edit]
[-] ftadvanc.h [edit]
[-] ftdriver.h [edit]
[-] ftwinfnt.h [edit]
[-] ftgzip.h [edit]
[-] ftotval.h [edit]
[-] ftbitmap.h [edit]
[-] ftmac.h [edit]
[-] tttables.h [edit]
[-] ftgxval.h [edit]
[-] ftparams.h [edit]
[-] ftbbox.h [edit]
[-] ftsizes.h [edit]
[-] ftfntfmt.h [edit]
[-] ftcache.h [edit]
[-] ftstroke.h [edit]
[-] ftimage.h [edit]
[+] ..
[-] t1tables.h [edit]
[-] ftglyph.h [edit]
[-] ftmodapi.h [edit]
[-] ftoutln.h [edit]
[-] ftsnames.h [edit]
[-] ftchapters.h [edit]
[-] fttypes.h [edit]
[+] config
[-] freetype.h [edit]
[-] ftmoderr.h [edit]
[-] ftrender.h [edit]
[-] ftpfr.h [edit]
[-] ftsynth.h [edit]
[-] ftmm.h [edit]
[-] fttrigon.h [edit]
[-] ftlcdfil.h [edit]
[-] fterrors.h [edit]
[-] ftsystem.h [edit]
[-] ftincrem.h [edit]
[-] ftbdf.h [edit]
[-] ttnameid.h [edit]
[-] ftcid.h [edit]
[-] ftlzw.h [edit]