1 /****************************************************************************
   2  *
   3  * pshmod.c
   4  *
   5  *   FreeType PostScript hinter module implementation (body).
   6  *
   7  * Copyright (C) 2001-2019 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 
  24 
  25   /* the Postscript Hinter module structure */
  26   typedef struct  PS_Hinter_Module_Rec_
  27   {
  28     FT_ModuleRec          root;
  29     PS_HintsRec           ps_hints;
  30 
  31     PSH_Globals_FuncsRec  globals_funcs;
  32     T1_Hints_FuncsRec     t1_funcs;
  33     T2_Hints_FuncsRec     t2_funcs;
  34 
  35   } PS_Hinter_ModuleRec, *PS_Hinter_Module;
  36 
  37 
  38   /* finalize module */
  39   FT_CALLBACK_DEF( void )
  40   ps_hinter_done( PS_Hinter_Module  module )
  41   {
  42     module->t1_funcs.hints = NULL;
  43     module->t2_funcs.hints = NULL;
  44 
  45     ps_hints_done( &module->ps_hints );
  46   }
  47 
  48 
  49   /* initialize module, create hints recorder and the interface */
  50   FT_CALLBACK_DEF( FT_Error )
  51   ps_hinter_init( PS_Hinter_Module  module )
  52   {
  53     FT_Memory  memory = module->root.memory;
  54     void*      ph     = &module->ps_hints;
  55 
  56 
  57     ps_hints_init( &module->ps_hints, memory );
  58 
  59     psh_globals_funcs_init( &module->globals_funcs );
  60 
  61     t1_hints_funcs_init( &module->t1_funcs );
  62     module->t1_funcs.hints = (T1_Hints)ph;
  63 
  64     t2_hints_funcs_init( &module->t2_funcs );
  65     module->t2_funcs.hints = (T2_Hints)ph;
  66 
  67     return 0;
  68   }
  69 
  70 
  71   /* returns global hints interface */
  72   FT_CALLBACK_DEF( PSH_Globals_Funcs )
  73   pshinter_get_globals_funcs( FT_Module  module )
  74   {
  75     return &((PS_Hinter_Module)module)->globals_funcs;
  76   }
  77 
  78 
  79   /* return Type 1 hints interface */
  80   FT_CALLBACK_DEF( T1_Hints_Funcs )
  81   pshinter_get_t1_funcs( FT_Module  module )
  82   {
  83     return &((PS_Hinter_Module)module)->t1_funcs;
  84   }
  85 
  86 
  87   /* return Type 2 hints interface */
  88   FT_CALLBACK_DEF( T2_Hints_Funcs )
  89   pshinter_get_t2_funcs( FT_Module  module )
  90   {
  91     return &((PS_Hinter_Module)module)->t2_funcs;
  92   }
  93 
  94 
  95   FT_DEFINE_PSHINTER_INTERFACE(
  96     pshinter_interface,
  97 
  98     pshinter_get_globals_funcs,
  99     pshinter_get_t1_funcs,
 100     pshinter_get_t2_funcs
 101   )
 102 
 103 
 104   FT_DEFINE_MODULE(
 105     pshinter_module_class,
 106 
 107     0,
 108     sizeof ( PS_Hinter_ModuleRec ),
 109     "pshinter",
 110     0x10000L,
 111     0x20000L,
 112 
 113     &pshinter_interface,        /* module-specific interface */
 114 
 115     (FT_Module_Constructor)ps_hinter_init,  /* module_init   */
 116     (FT_Module_Destructor) ps_hinter_done,  /* module_done   */
 117     (FT_Module_Requester)  NULL             /* get_interface */
 118   )
 119 
 120 /* END */