kc3-lang/freetype/src/autohint/ahmodule.c

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• Hash : b92479b8
  Author :
  Date : 2001-10-29T10:45:57
  

  experimental changes to debug the auto-hinter. These are not worthy of a Changelog entry yet..

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• src/autohint/ahmodule.c

• /***************************************************************************/
  /*                                                                         */
  /*  ahmodule.c                                                             */
  /*                                                                         */
  /*    Auto-hinting module implementation (declaration).                    */
  /*                                                                         */
  /*  Copyright 2000-2001 Catharon Productions Inc.                          */
  /*  Author: David Turner                                                   */
  /*                                                                         */
  /*  This file is part of the Catharon Typography Project and shall only    */
  /*  be used, modified, and distributed under the terms of the Catharon     */
  /*  Open Source License that should come with this file under the name     */
  /*  `CatharonLicense.txt'.  By continuing to use, modify, or distribute    */
  /*  this file you indicate that you have read the license and              */
  /*  understand and accept it fully.                                        */
  /*                                                                         */
  /*  Note that this license is compatible with the FreeType license.        */
  /*                                                                         */
  /***************************************************************************/
  
  
  #include <ft2build.h>
  #include FT_MODULE_H
  #include "ahhint.h"
  
  
  #ifdef  DEBUG_HINTER
     extern AH_Hinter*  ah_debug_hinter = NULL;
     extern FT_Bool     ah_debug_disable_horz = 0;
     extern FT_Bool     ah_debug_disable_vert = 0;
  #endif
  
    typedef struct  FT_AutoHinterRec_
    {
      FT_ModuleRec  root;
      AH_Hinter*    hinter;
  
    } FT_AutoHinterRec;
  
  
    FT_CALLBACK_DEF( FT_Error )
    ft_autohinter_init( FT_AutoHinter  module )
    {
      FT_Error  error;
  
      error = ah_hinter_new( module->root.library, &module->hinter );
  #ifdef DEBUG_HINTER
      if ( !error )
        ah_debug_hinter = module->hinter;
  #endif
      return error;
    }
  
  
    FT_CALLBACK_DEF( void )
    ft_autohinter_done( FT_AutoHinter  module )
    {
      ah_hinter_done( module->hinter );
  
  #ifdef DEBUG_HINTER
      ah_debug_hinter = NULL;
  #endif
    }
  
  
    FT_CALLBACK_DEF( FT_Error )
    ft_autohinter_load( FT_AutoHinter  module,
                        FT_GlyphSlot   slot,
                        FT_Size        size,
                        FT_UInt        glyph_index,
                        FT_ULong       load_flags )
    {
      return ah_hinter_load_glyph( module->hinter,
                                   slot, size, glyph_index, load_flags );
    }
  
  
    FT_CALLBACK_DEF( void )
    ft_autohinter_reset( FT_AutoHinter  module,
                         FT_Face        face )
    {
      UNUSED( module );
  
      if ( face->autohint.data )
        ah_hinter_done_face_globals( (AH_Face_Globals*)(face->autohint.data) );
    }
  
  
    FT_CALLBACK_DEF( void )
    ft_autohinter_get_globals( FT_AutoHinter  module,
                               FT_Face        face,
                               void**         global_hints,
                               long*          global_len )
    {
      ah_hinter_get_global_hints( module->hinter, face,
                                  global_hints, global_len );
    }
  
  
    FT_CALLBACK_DEF( void )
    ft_autohinter_done_globals( FT_AutoHinter  module,
                                void*          global_hints )
    {
      ah_hinter_done_global_hints( module->hinter, global_hints );
    }
  
  
    FT_CALLBACK_TABLE_DEF
    const FT_AutoHinter_Interface  autohinter_interface =
    {
      ft_autohinter_reset,
      ft_autohinter_load,
      ft_autohinter_get_globals,
      ft_autohinter_done_globals
    };
  
  
    FT_CALLBACK_TABLE_DEF
    const FT_Module_Class  autohint_module_class =
    {
      ft_module_hinter,
      sizeof ( FT_AutoHinterRec ),
  
      "autohinter",
      0x10000L,   /* version 1.0 of the autohinter  */
      0x20000L,   /* requires FreeType 2.0 or above */
  
      (const void*)&autohinter_interface,
  
      (FT_Module_Constructor)ft_autohinter_init,
      (FT_Module_Destructor) ft_autohinter_done,
      (FT_Module_Requester)  0
    };
  
  
  /* END */
  

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