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      1 /****************************************************************************
      2  *
      3  * psft.h
      4  *
      5  *   FreeType Glue Component to Adobe's Interpreter (specification).
      6  *
      7  * Copyright 2013 Adobe Systems Incorporated.
      8  *
      9  * This software, and all works of authorship, whether in source or
     10  * object code form as indicated by the copyright notice(s) included
     11  * herein (collectively, the "Work") is made available, and may only be
     12  * used, modified, and distributed under the FreeType Project License,
     13  * LICENSE.TXT.  Additionally, subject to the terms and conditions of the
     14  * FreeType Project License, each contributor to the Work hereby grants
     15  * to any individual or legal entity exercising permissions granted by
     16  * the FreeType Project License and this section (hereafter, "You" or
     17  * "Your") a perpetual, worldwide, non-exclusive, no-charge,
     18  * royalty-free, irrevocable (except as stated in this section) patent
     19  * license to make, have made, use, offer to sell, sell, import, and
     20  * otherwise transfer the Work, where such license applies only to those
     21  * patent claims licensable by such contributor that are necessarily
     22  * infringed by their contribution(s) alone or by combination of their
     23  * contribution(s) with the Work to which such contribution(s) was
     24  * submitted.  If You institute patent litigation against any entity
     25  * (including a cross-claim or counterclaim in a lawsuit) alleging that
     26  * the Work or a contribution incorporated within the Work constitutes
     27  * direct or contributory patent infringement, then any patent licenses
     28  * granted to You under this License for that Work shall terminate as of
     29  * the date such litigation is filed.
     30  *
     31  * By using, modifying, or distributing the Work you indicate that you
     32  * have read and understood the terms and conditions of the
     33  * FreeType Project License as well as those provided in this section,
     34  * and you accept them fully.
     35  *
     36  */
     37 
     38 
     39 #ifndef PSFT_H_
     40 #define PSFT_H_
     41 
     42 
     43 #include "pstypes.h"
     44 
     45 
     46   /* TODO: disable asserts for now */
     47 #define CF2_NDEBUG
     48 
     49 
     50 #include FT_SYSTEM_H
     51 
     52 #include "psglue.h"
     53 #include FT_INTERNAL_POSTSCRIPT_AUX_H    /* for PS_Decoder */
     54 
     55 
     56 FT_BEGIN_HEADER
     57 
     58 
     59   FT_LOCAL( FT_Error )
     60   cf2_decoder_parse_charstrings( PS_Decoder*  decoder,
     61                                  FT_Byte*     charstring_base,
     62                                  FT_ULong     charstring_len );
     63 
     64   FT_LOCAL( CFF_SubFont )
     65   cf2_getSubfont( PS_Decoder*  decoder );
     66 
     67   FT_LOCAL( CFF_VStore )
     68   cf2_getVStore( PS_Decoder*  decoder );
     69 
     70   FT_LOCAL( FT_UInt )
     71   cf2_getMaxstack( PS_Decoder*  decoder );
     72 
     73 #ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
     74   FT_LOCAL( FT_Error )
     75   cf2_getNormalizedVector( PS_Decoder*  decoder,
     76                            CF2_UInt    *len,
     77                            FT_Fixed*   *vec );
     78 #endif
     79 
     80   FT_LOCAL( CF2_Fixed )
     81   cf2_getPpemY( PS_Decoder*  decoder );
     82   FT_LOCAL( CF2_Fixed )
     83   cf2_getStdVW( PS_Decoder*  decoder );
     84   FT_LOCAL( CF2_Fixed )
     85   cf2_getStdHW( PS_Decoder*  decoder );
     86 
     87   FT_LOCAL( void )
     88   cf2_getBlueMetrics( PS_Decoder*  decoder,
     89                       CF2_Fixed*   blueScale,
     90                       CF2_Fixed*   blueShift,
     91                       CF2_Fixed*   blueFuzz );
     92   FT_LOCAL( void )
     93   cf2_getBlueValues( PS_Decoder*  decoder,
     94                      size_t*      count,
     95                      FT_Pos*     *data );
     96   FT_LOCAL( void )
     97   cf2_getOtherBlues( PS_Decoder*  decoder,
     98                      size_t*      count,
     99                      FT_Pos*     *data );
    100   FT_LOCAL( void )
    101   cf2_getFamilyBlues( PS_Decoder*  decoder,
    102                       size_t*      count,
    103                       FT_Pos*     *data );
    104   FT_LOCAL( void )
    105   cf2_getFamilyOtherBlues( PS_Decoder*  decoder,
    106                            size_t*      count,
    107                            FT_Pos*     *data );
    108 
    109   FT_LOCAL( CF2_Int )
    110   cf2_getLanguageGroup( PS_Decoder*  decoder );
    111 
    112   FT_LOCAL( CF2_Int )
    113   cf2_initGlobalRegionBuffer( PS_Decoder*  decoder,
    114                               CF2_Int      subrNum,
    115                               CF2_Buffer   buf );
    116   FT_LOCAL( FT_Error )
    117   cf2_getSeacComponent( PS_Decoder*  decoder,
    118                         CF2_Int      code,
    119                         CF2_Buffer   buf );
    120   FT_LOCAL( void )
    121   cf2_freeSeacComponent( PS_Decoder*  decoder,
    122                          CF2_Buffer   buf );
    123   FT_LOCAL( CF2_Int )
    124   cf2_initLocalRegionBuffer( PS_Decoder*  decoder,
    125                              CF2_Int      subrNum,
    126                              CF2_Buffer   buf );
    127 
    128   FT_LOCAL( CF2_Fixed )
    129   cf2_getDefaultWidthX( PS_Decoder*  decoder );
    130   FT_LOCAL( CF2_Fixed )
    131   cf2_getNominalWidthX( PS_Decoder*  decoder );
    132 
    133 
    134   FT_LOCAL( FT_Error )
    135   cf2_getT1SeacComponent( PS_Decoder*  decoder,
    136                           FT_UInt      glyph_index,
    137                           CF2_Buffer   buf );
    138   FT_LOCAL( void )
    139   cf2_freeT1SeacComponent( PS_Decoder*  decoder,
    140                            CF2_Buffer   buf );
    141 
    142   /*
    143    * FreeType client outline
    144    *
    145    * process output from the charstring interpreter
    146    */
    147   typedef struct  CF2_OutlineRec_
    148   {
    149     CF2_OutlineCallbacksRec  root;        /* base class must be first */
    150     PS_Decoder*              decoder;
    151 
    152   } CF2_OutlineRec, *CF2_Outline;
    153 
    154 
    155   FT_LOCAL( void )
    156   cf2_outline_reset( CF2_Outline  outline );
    157   FT_LOCAL( void )
    158   cf2_outline_close( CF2_Outline  outline );
    159 
    160 
    161 FT_END_HEADER
    162 
    163 
    164 #endif /* PSFT_H_ */
    165 
    166 
    167 /* END */
    168