sdk/lib/3rdparty/freetype/src/pshinter/pshmod.c

   1 /***************************************************************************/
   2 /*                                                                         */
   3 /*  pshmod.c                                                               */
   4 /*                                                                         */
   5 /*    FreeType PostScript hinter module implementation (body).             */
   6 /*                                                                         */
   7 /*  Copyright 2001-2018 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(
  97     pshinter_interface,
  98
  99     pshinter_get_globals_funcs,
 100     pshinter_get_t1_funcs,
 101     pshinter_get_t2_funcs
 102   )
 103
 104
 105   FT_DEFINE_MODULE(
 106     pshinter_module_class,
 107
 108     0,
 109     sizeof ( PS_Hinter_ModuleRec ),
 110     "pshinter",
 111     0x10000L,
 112     0x20000L,
 113
 114     &PSHINTER_INTERFACE_GET,              /* module-specific interface */
 115
 116     (FT_Module_Constructor)ps_hinter_init,  /* module_init   */
 117     (FT_Module_Destructor) ps_hinter_done,  /* module_done   */
 118     (FT_Module_Requester)  NULL             /* get_interface */
 119   )
 120
 121 /* END */