kc3-lang/freetype/include/ftcid.h

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  Date : 2015-01-17T20:41:43
  

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• include/ftcid.h

• /***************************************************************************/
  /*                                                                         */
  /*  ftcid.h                                                                */
  /*                                                                         */
  /*    FreeType API for accessing CID font information (specification).     */
  /*                                                                         */
  /*  Copyright 2007-2015 by                                                 */
  /*  Dereg Clegg and Michael Toftdal.                                       */
  /*                                                                         */
  /*  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 __FTCID_H__
  #define __FTCID_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>                                                             */
    /*    cid_fonts                                                          */
    /*                                                                       */
    /* <Title>                                                               */
    /*    CID Fonts                                                          */
    /*                                                                       */
    /* <Abstract>                                                            */
    /*    CID-keyed font specific API.                                       */
    /*                                                                       */
    /* <Description>                                                         */
    /*    This section contains the declaration of CID-keyed font specific   */
    /*    functions.                                                         */
    /*                                                                       */
    /*************************************************************************/
  
  
    /**********************************************************************
     *
     * @function:
     *    FT_Get_CID_Registry_Ordering_Supplement
     *
     * @description:
     *    Retrieve the Registry/Ordering/Supplement triple (also known as the
     *    "R/O/S") from a CID-keyed font.
     *
     * @input:
     *    face ::
     *       A handle to the input face.
     *
     * @output:
     *    registry ::
     *       The registry, as a C~string, owned by the face.
     *
     *    ordering ::
     *       The ordering, as a C~string, owned by the face.
     *
     *    supplement ::
     *       The supplement.
     *
     * @return:
     *    FreeType error code.  0~means success.
     *
     * @note:
     *    This function only works with CID faces, returning an error
     *    otherwise.
     *
     * @since:
     *    2.3.6
     */
    FT_EXPORT( FT_Error )
    FT_Get_CID_Registry_Ordering_Supplement( FT_Face       face,
                                             const char*  *registry,
                                             const char*  *ordering,
                                             FT_Int       *supplement);
  
  
    /**********************************************************************
     *
     * @function:
     *    FT_Get_CID_Is_Internally_CID_Keyed
     *
     * @description:
     *    Retrieve the type of the input face, CID keyed or not.  In
     *    constrast to the @FT_IS_CID_KEYED macro this function returns
     *    successfully also for CID-keyed fonts in an SNFT wrapper.
     *
     * @input:
     *    face ::
     *       A handle to the input face.
     *
     * @output:
     *    is_cid ::
     *       The type of the face as an @FT_Bool.
     *
     * @return:
     *    FreeType error code.  0~means success.
     *
     * @note:
     *    This function only works with CID faces and OpenType fonts,
     *    returning an error otherwise.
     *
     * @since:
     *    2.3.9
     */
    FT_EXPORT( FT_Error )
    FT_Get_CID_Is_Internally_CID_Keyed( FT_Face   face,
                                        FT_Bool  *is_cid );
  
  
    /**********************************************************************
     *
     * @function:
     *    FT_Get_CID_From_Glyph_Index
     *
     * @description:
     *    Retrieve the CID of the input glyph index.
     *
     * @input:
     *    face ::
     *       A handle to the input face.
     *
     *    glyph_index ::
     *       The input glyph index.
     *
     * @output:
     *    cid ::
     *       The CID as an @FT_UInt.
     *
     * @return:
     *    FreeType error code.  0~means success.
     *
     * @note:
     *    This function only works with CID faces and OpenType fonts,
     *    returning an error otherwise.
     *
     * @since:
     *    2.3.9
     */
    FT_EXPORT( FT_Error )
    FT_Get_CID_From_Glyph_Index( FT_Face   face,
                                 FT_UInt   glyph_index,
                                 FT_UInt  *cid );
  
    /* */
  
  
  FT_END_HEADER
  
  #endif /* __FTCID_H__ */
  
  
  /* END */
  

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