shithub: freetype+ttf2subf

ref: 3469d0d038b01c7ddce0fb67da68d79ad2f8b8a6
dir: /src/autohint/ahloader.h/

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/***************************************************************************/
/*                                                                         */
/*  ahloader.h                                                             */
/*                                                                         */
/*    Glyph loader implementation for the auto-hinting module              */
/*    This defines the AG_GlyphLoader type in two different ways:          */
/*                                                                         */
/*      - when the module is compiled within FreeType 2, the type          */
/*        is simply a typedef to FT_GlyphLoader                            */
/*                                                                         */
/*      - when the module is compiled as a standalone object,              */
/*        AG_GlyphLoader has its own implementation..                      */
/*                                                                         */
/*  Copyright 2000: 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         */
/*                                                                         */
/***************************************************************************/
#ifndef AGLOADER_H
#define AGLOADER_H

#ifdef _STANDALONE_

  typedef struct AH_GlyphLoad_
  {
    FT_Outline    outline;       /* outline                          */
    FT_UInt       num_subglyphs; /* number of subglyphs              */
    FT_SubGlyph*  subglyphs;     /* subglyphs                        */
    FT_Vector*    extra_points;  /* extra points table..             */

  } AH_GlyphLoad;


  struct AH_GlyphLoader_
  {
    FT_Memory     memory;
    FT_UInt       max_points;
    FT_UInt       max_contours;
    FT_UInt       max_subglyphs;
    FT_Bool       use_extra;

    AH_GlyphLoad  base;
    AH_GlyphLoad  current;

    void*         other;            /* for possible future extension ? */

  };


  LOCAL_DEF  FT_Error  AH_GlyphLoader_New( FT_Memory         memory,
                                           AH_GlyphLoader*  *aloader );

  LOCAL_DEF  FT_Error  AH_GlyphLoader_Create_Extra( AH_GlyphLoader*  loader );

  LOCAL_DEF  void      AH_GlyphLoader_Done( AH_GlyphLoader*  loader );

  LOCAL_DEF  void      AH_GlyphLoader_Reset( AH_GlyphLoader*  loader );

  LOCAL_DEF  void      AH_GlyphLoader_Rewind( AH_GlyphLoader*  loader );

  LOCAL_DEF  FT_Error  AH_GlyphLoader_Check_Points( AH_GlyphLoader* loader,
                                                    FT_UInt         n_points,
                                                    FT_UInt         n_contours );

  LOCAL_DEF  FT_Error  AH_GlyphLoader_Check_Subglyphs( AH_GlyphLoader*  loader,
                                                       FT_UInt          n_subs );

  LOCAL_DEF  void      AH_GlyphLoader_Prepare( AH_GlyphLoader*  loader );


  LOCAL_DEF  void      AH_GlyphLoader_Add( AH_GlyphLoader*  loader );

  LOCAL_DEF  FT_Error  AH_GlyphLoader_Copy_Points( AH_GlyphLoader*  target,
                                                   FT_GlyphLoader*  source );

#else
#include <freetype/internal/ftobjs.h>

  #define AH_Load    FT_GlyphLoad
  #define AH_Loader  FT_GlyphLoader

  #define ah_loader_new              FT_GlyphLoader_New
  #define ah_loader_done             FT_GlyphLoader_Done
  #define ah_loader_reset            FT_GlyphLoader_Reset
  #define ah_loader_rewind           FT_GlyphLoader_Rewind
  #define ah_loader_create_extra     FT_GlyphLoader_Create_Extra
  #define ah_loader_check_points     FT_GlyphLoader_Check_Points
  #define ah_loader_check_subglyphs  FT_GlyphLoader_Check_Subglyphs
  #define ah_loader_prepare          FT_GlyphLoader_Prepare
  #define ah_loader_add              FT_GlyphLoader_Add
  #define ah_loader_copy_points      FT_GlyphLoader_Copy_Points

#endif

#endif /* AGLOADER_H */