freetype2/src/pshinter/pshmod.c

/***************************************************************************/
/*                                                                         */
/*  pshmod.c                                                               */
/*                                                                         */
/*    FreeType Postscript hinter module implementation (body).             */
/*                                                                         */
/*  Copyright 2000 by                                                      */
/*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
/*                                                                         */
/*  This file is part of the FreeType project, and may only be used,       */
/*  modified, and distributed under the terms of the FreeType project      */
/*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
/*  this file you indicate that you have read the license and              */
/*  understand and accept it fully.                                        */
/*                                                                         */
/***************************************************************************/

#include <ft2build.h>
#include FT_INTERNAL_OBJECTS_H
#include "pshrec.h"
#include "pshalgo.h"

 /* the Postscript Hinter module structure */
  typedef struct
  {
    FT_ModuleRec             root;
    PS_HintsRec              ps_hints;

    PSH_Globals_FuncsRec     globals_funcs;
    T1_Hints_FuncsRec        t1_funcs;
    T2_Hints_FuncsRec        t2_funcs;
    
  } PS_Hinter_ModuleRec, *PS_Hinter_Module;


 /* finalize module */
  FT_CALLBACK_DEF(void)
  ps_hinter_done( PS_Hinter_Module  module )
  {
    module->t1_funcs.hints = NULL;
    module->t2_funcs.hints = NULL;

    ps_hints_done( &module->ps_hints );
  }


 /* initialise module, create hints recorder and the interface */
  FT_CALLBACK_DEF(FT_Error)
  ps_hinter_init( PS_Hinter_Module  module )
  {
    FT_Memory  memory = module->root.memory;

    ps_hints_init( &module->ps_hints, memory );

    psh_globals_funcs_init( &module->globals_funcs );

    t1_hints_funcs_init( &module->t1_funcs );
    module->t1_funcs.hints = (T1_Hints) & module->ps_hints;

    t2_hints_funcs_init( &module->t2_funcs );
    module->t2_funcs.hints = (T2_Hints) & module->ps_hints;

    return 0;
  }


 /* returns global hints interface */
  FT_CALLBACK_DEF(PSH_Globals_Funcs)
  pshinter_get_globals_funcs( FT_Module  module )
  {
    return &((PS_Hinter_Module)module)->globals_funcs;
  }


 /* return Type 1 hints interface */
  FT_CALLBACK_DEF(T1_Hints_Funcs)
  pshinter_get_t1_funcs( FT_Module  module )
  {
    return &((PS_Hinter_Module)module)->t1_funcs;
  }


 /* return Type 2 hints interface */
  FT_CALLBACK_DEF(T2_Hints_Funcs)
  pshinter_get_t2_funcs( FT_Module  module )
  {
    return &((PS_Hinter_Module)module)->t2_funcs;
  }
  
  
  FT_CALLBACK_DEF(PSHinter_Interface)
  pshinter_interface =
  {
    pshinter_get_globals_funcs,
    pshinter_get_t1_funcs,
    pshinter_get_t2_funcs
  };


  FT_CALLBACK_TABLE_DEF
  const FT_Module_Class  pshinter_module_class =
  {
    0,
    sizeof( PS_Hinter_ModuleRec ),
    "pshinter",
    0x10000L,
    0x20000L,

    &pshinter_interface, /* module-specific interface */

    (FT_Module_Constructor) ps_hinter_init,
    (FT_Module_Destructor)  ps_hinter_done,
    (FT_Module_Requester)   0  /* no additional interface for now */
  };