tor-browser

The Tor Browser
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pshmod.c (3002B)

      1 /****************************************************************************
      2 *
      3 * pshmod.c
      4 *
      5 *   FreeType PostScript hinter module implementation (body).
      6 *
      7 * Copyright (C) 2001-2025 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 <freetype/internal/ftobjs.h>
     20 #include "pshrec.h"
     21 #include "pshalgo.h"
     22 #include "pshmod.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( FT_Module  module_ )    /* PS_Hinter_Module */
     41  {
     42    PS_Hinter_Module  module = (PS_Hinter_Module)module_;
     43 
     44 
     45    module->t1_funcs.hints = NULL;
     46    module->t2_funcs.hints = NULL;
     47 
     48    ps_hints_done( &module->ps_hints );
     49  }
     50 
     51 
     52  /* initialize module, create hints recorder and the interface */
     53  FT_CALLBACK_DEF( FT_Error )
     54  ps_hinter_init( FT_Module  module_ )    /* PS_Hinter_Module */
     55  {
     56    PS_Hinter_Module  module = (PS_Hinter_Module)module_;
     57 
     58    FT_Memory  memory = module->root.memory;
     59    void*      ph     = &module->ps_hints;
     60 
     61 
     62    ps_hints_init( &module->ps_hints, memory );
     63 
     64    psh_globals_funcs_init( &module->globals_funcs );
     65 
     66    t1_hints_funcs_init( &module->t1_funcs );
     67    module->t1_funcs.hints = (T1_Hints)ph;
     68 
     69    t2_hints_funcs_init( &module->t2_funcs );
     70    module->t2_funcs.hints = (T2_Hints)ph;
     71 
     72    return 0;
     73  }
     74 
     75 
     76  /* returns global hints interface */
     77  FT_CALLBACK_DEF( PSH_Globals_Funcs )
     78  pshinter_get_globals_funcs( FT_Module  module )
     79  {
     80    return &((PS_Hinter_Module)module)->globals_funcs;
     81  }
     82 
     83 
     84  /* return Type 1 hints interface */
     85  FT_CALLBACK_DEF( T1_Hints_Funcs )
     86  pshinter_get_t1_funcs( FT_Module  module )
     87  {
     88    return &((PS_Hinter_Module)module)->t1_funcs;
     89  }
     90 
     91 
     92  /* return Type 2 hints interface */
     93  FT_CALLBACK_DEF( T2_Hints_Funcs )
     94  pshinter_get_t2_funcs( FT_Module  module )
     95  {
     96    return &((PS_Hinter_Module)module)->t2_funcs;
     97  }
     98 
     99 
    100  FT_DEFINE_PSHINTER_INTERFACE(
    101    pshinter_interface,
    102 
    103    pshinter_get_globals_funcs,
    104    pshinter_get_t1_funcs,
    105    pshinter_get_t2_funcs
    106  )
    107 
    108 
    109  FT_DEFINE_MODULE(
    110    pshinter_module_class,
    111 
    112    0,
    113    sizeof ( PS_Hinter_ModuleRec ),
    114    "pshinter",
    115    0x10000L,
    116    0x20000L,
    117 
    118    &pshinter_interface,        /* module-specific interface */
    119 
    120    (FT_Module_Constructor)ps_hinter_init,  /* module_init   */
    121    (FT_Module_Destructor) ps_hinter_done,  /* module_done   */
    122    (FT_Module_Requester)  NULL             /* get_interface */
    123  )
    124 
    125 /* END */