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      1 /***************************************************************************/
      2 /*                                                                         */
      3 /*  pshmod.c                                                               */
      4 /*                                                                         */
      5 /*    FreeType PostScript hinter module implementation (body).             */
      6 /*                                                                         */
      7 /*  Copyright 2001, 2002, 2007 by                                          */
      8 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
      9 /*                                                                         */
     10 /*  This file is part of the FreeType project, and may only be used,       */
     11 /*  modified, and distributed under the terms of the FreeType project      */
     12 /*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
     13 /*  this file you indicate that you have read the license and              */
     14 /*  understand and accept it fully.                                        */
     15 /*                                                                         */
     16 /***************************************************************************/
     17 
     18 
     19 #include <ft2build.h>
     20 #include FT_INTERNAL_OBJECTS_H
     21 #include "pshrec.h"
     22 #include "pshalgo.h"
     23 #include "pshpic.h"
     24 
     25 
     26   /* the Postscript Hinter module structure */
     27   typedef struct  PS_Hinter_Module_Rec_
     28   {
     29     FT_ModuleRec          root;
     30     PS_HintsRec           ps_hints;
     31 
     32     PSH_Globals_FuncsRec  globals_funcs;
     33     T1_Hints_FuncsRec     t1_funcs;
     34     T2_Hints_FuncsRec     t2_funcs;
     35 
     36   } PS_Hinter_ModuleRec, *PS_Hinter_Module;
     37 
     38 
     39   /* finalize module */
     40   FT_CALLBACK_DEF( void )
     41   ps_hinter_done( PS_Hinter_Module  module )
     42   {
     43     module->t1_funcs.hints = NULL;
     44     module->t2_funcs.hints = NULL;
     45 
     46     ps_hints_done( &module->ps_hints );
     47   }
     48 
     49 
     50   /* initialize module, create hints recorder and the interface */
     51   FT_CALLBACK_DEF( FT_Error )
     52   ps_hinter_init( PS_Hinter_Module  module )
     53   {
     54     FT_Memory  memory = module->root.memory;
     55     void*      ph     = &module->ps_hints;
     56 
     57 
     58     ps_hints_init( &module->ps_hints, memory );
     59 
     60     psh_globals_funcs_init( &module->globals_funcs );
     61 
     62     t1_hints_funcs_init( &module->t1_funcs );
     63     module->t1_funcs.hints = (T1_Hints)ph;
     64 
     65     t2_hints_funcs_init( &module->t2_funcs );
     66     module->t2_funcs.hints = (T2_Hints)ph;
     67 
     68     return 0;
     69   }
     70 
     71 
     72   /* returns global hints interface */
     73   FT_CALLBACK_DEF( PSH_Globals_Funcs )
     74   pshinter_get_globals_funcs( FT_Module  module )
     75   {
     76     return &((PS_Hinter_Module)module)->globals_funcs;
     77   }
     78 
     79 
     80   /* return Type 1 hints interface */
     81   FT_CALLBACK_DEF( T1_Hints_Funcs )
     82   pshinter_get_t1_funcs( FT_Module  module )
     83   {
     84     return &((PS_Hinter_Module)module)->t1_funcs;
     85   }
     86 
     87 
     88   /* return Type 2 hints interface */
     89   FT_CALLBACK_DEF( T2_Hints_Funcs )
     90   pshinter_get_t2_funcs( FT_Module  module )
     91   {
     92     return &((PS_Hinter_Module)module)->t2_funcs;
     93   }
     94 
     95 
     96   FT_DEFINE_PSHINTER_INTERFACE(pshinter_interface,
     97     pshinter_get_globals_funcs,
     98     pshinter_get_t1_funcs,
     99     pshinter_get_t2_funcs
    100   )
    101 
    102 
    103   FT_DEFINE_MODULE(pshinter_module_class,
    104 
    105     0,
    106     sizeof ( PS_Hinter_ModuleRec ),
    107     "pshinter",
    108     0x10000L,
    109     0x20000L,
    110 
    111     &FTPSHINTER_INTERFACE_GET,            /* module-specific interface */
    112 
    113     (FT_Module_Constructor)ps_hinter_init,
    114     (FT_Module_Destructor) ps_hinter_done,
    115     (FT_Module_Requester)  0        /* no additional interface for now */
    116   )
    117 
    118 /* END */
    119