freetype2/src/psaux/psft.h

/****************************************************************************
 *
 * psft.h
 *
 *   FreeType Glue Component to Adobe's Interpreter (specification).
 *
 * Copyright 2013 Adobe Systems Incorporated.
 *
 * This software, and all works of authorship, whether in source or
 * object code form as indicated by the copyright notice(s) included
 * herein (collectively, the "Work") is made available, and may only be
 * used, modified, and distributed under the FreeType Project License,
 * LICENSE.TXT.  Additionally, subject to the terms and conditions of the
 * FreeType Project License, each contributor to the Work hereby grants
 * to any individual or legal entity exercising permissions granted by
 * the FreeType Project License and this section (hereafter, "You" or
 * "Your") a perpetual, worldwide, non-exclusive, no-charge,
 * royalty-free, irrevocable (except as stated in this section) patent
 * license to make, have made, use, offer to sell, sell, import, and
 * otherwise transfer the Work, where such license applies only to those
 * patent claims licensable by such contributor that are necessarily
 * infringed by their contribution(s) alone or by combination of their
 * contribution(s) with the Work to which such contribution(s) was
 * submitted.  If You institute patent litigation against any entity
 * (including a cross-claim or counterclaim in a lawsuit) alleging that
 * the Work or a contribution incorporated within the Work constitutes
 * direct or contributory patent infringement, then any patent licenses
 * granted to You under this License for that Work shall terminate as of
 * the date such litigation is filed.
 *
 * By using, modifying, or distributing the Work you indicate that you
 * have read and understood the terms and conditions of the
 * FreeType Project License as well as those provided in this section,
 * and you accept them fully.
 *
 */


#ifndef PSFT_H_
#define PSFT_H_


#include <freetype/internal/compiler-macros.h>
#include "pstypes.h"

  /* TODO: disable asserts for now */
#define CF2_NDEBUG


#include <freetype/ftsystem.h>

#include "psglue.h"
#include <freetype/internal/psaux.h>    /* for PS_Decoder */


FT_BEGIN_HEADER


  FT_LOCAL( FT_Error )
  cf2_decoder_parse_charstrings( PS_Decoder*  decoder,
                                 FT_Byte*     charstring_base,
                                 FT_ULong     charstring_len );

  FT_LOCAL( CFF_SubFont )
  cf2_getSubfont( PS_Decoder*  decoder );

  FT_LOCAL( CFF_VStore )
  cf2_getVStore( PS_Decoder*  decoder );

  FT_LOCAL( FT_UInt )
  cf2_getMaxstack( PS_Decoder*  decoder );

#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
  FT_LOCAL( FT_Error )
  cf2_getNormalizedVector( PS_Decoder*  decoder,
                           CF2_UInt    *len,
                           FT_Fixed*   *vec );
#endif

  FT_LOCAL( CF2_Fixed )
  cf2_getPpemY( PS_Decoder*  decoder );
  FT_LOCAL( CF2_Fixed )
  cf2_getStdVW( PS_Decoder*  decoder );
  FT_LOCAL( CF2_Fixed )
  cf2_getStdHW( PS_Decoder*  decoder );

  FT_LOCAL( void )
  cf2_getBlueMetrics( PS_Decoder*  decoder,
                      CF2_Fixed*   blueScale,
                      CF2_Fixed*   blueShift,
                      CF2_Fixed*   blueFuzz );
  FT_LOCAL( void )
  cf2_getBlueValues( PS_Decoder*  decoder,
                     size_t*      count,
                     FT_Pos*     *data );
  FT_LOCAL( void )
  cf2_getOtherBlues( PS_Decoder*  decoder,
                     size_t*      count,
                     FT_Pos*     *data );
  FT_LOCAL( void )
  cf2_getFamilyBlues( PS_Decoder*  decoder,
                      size_t*      count,
                      FT_Pos*     *data );
  FT_LOCAL( void )
  cf2_getFamilyOtherBlues( PS_Decoder*  decoder,
                           size_t*      count,
                           FT_Pos*     *data );

  FT_LOCAL( CF2_Int )
  cf2_getLanguageGroup( PS_Decoder*  decoder );

  FT_LOCAL( CF2_Int )
  cf2_initGlobalRegionBuffer( PS_Decoder*  decoder,
                              CF2_Int      subrNum,
                              CF2_Buffer   buf );
  FT_LOCAL( FT_Error )
  cf2_getSeacComponent( PS_Decoder*  decoder,
                        CF2_Int      code,
                        CF2_Buffer   buf );
  FT_LOCAL( void )
  cf2_freeSeacComponent( PS_Decoder*  decoder,
                         CF2_Buffer   buf );
  FT_LOCAL( CF2_Int )
  cf2_initLocalRegionBuffer( PS_Decoder*  decoder,
                             CF2_Int      subrNum,
                             CF2_Buffer   buf );

  FT_LOCAL( CF2_Fixed )
  cf2_getDefaultWidthX( PS_Decoder*  decoder );
  FT_LOCAL( CF2_Fixed )
  cf2_getNominalWidthX( PS_Decoder*  decoder );


  FT_LOCAL( FT_Error )
  cf2_getT1SeacComponent( PS_Decoder*  decoder,
                          FT_UInt      glyph_index,
                          CF2_Buffer   buf );
  FT_LOCAL( void )
  cf2_freeT1SeacComponent( PS_Decoder*  decoder,
                           CF2_Buffer   buf );

  /*
   * FreeType client outline
   *
   * process output from the charstring interpreter
   */
  typedef struct  CF2_OutlineRec_
  {
    CF2_OutlineCallbacksRec  root;        /* base class must be first */
    PS_Decoder*              decoder;

  } CF2_OutlineRec, *CF2_Outline;


  FT_LOCAL( void )
  cf2_outline_reset( CF2_Outline  outline );
  FT_LOCAL( void )
  cf2_outline_close( CF2_Outline  outline );


FT_END_HEADER


#endif /* PSFT_H_ */


/* END */