freetype/src/cache/ftcmanag.h

/***************************************************************************/
/*                                                                         */
/*  ftcmanag.h                                                             */
/*                                                                         */
/*    XXX                                                                  */
/*                                                                         */
/*  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.                                        */
/*                                                                         */
/***************************************************************************/


#ifndef FTCMANAG_H
#define FTCMANAG_H

#include <cache/ftlru.h>


#ifdef __cplusplus
  extern "C" {
#endif


#define  FTC_MAX_FACES  4
#define  FTC_MAX_SIZES  8


  typedef FT_Pointer  FTC_FaceID;
  
  typedef struct  FTC_SizeRec_
  {
    FTC_FaceID  face_id;
    FT_UShort   pix_width;
    FT_UShort   pix_height;
    
  } FTC_SizeRec, *FTC_SizeID;

 
  typedef FT_Error  (*FTC_Face_Requester)( FTC_FaceID  face_id,
                                           FT_Pointer  data, 
                                           FT_Face*    aface );


  typedef struct FTC_ManagerRec_*  FTC_Manager;

  typedef struct  FTC_Manager_LruRec_
  {
    FT_LruRec    root;
    FTC_Manager  manager;
  
  } FTC_Manager_LruRec, *FTC_Manager_Lru;


  typedef struct  FTC_ManagerRec_
  {
    FT_Library          library;
    FT_Lru              faces_lru;
    FT_Lru              sizes_lru;
    
    FT_Pointer          request_data;
    FTC_Face_Requester  request_face;
    
  } FTC_ManagerRec;


  FT_EXPORT_DEF( FT_Error )  FTC_Manager_New( FT_Library          library,
                                              FTC_Face_Requester  requester,
                                              FT_Pointer          req_data,
                                              FTC_Manager*        amanager );
                        
  FT_EXPORT_DEF( void )  FTC_Manager_Done( FTC_Manager  manager );

  FT_EXPORT_DEF( void )  FTC_Manager_Reset( FTC_Manager  manager );

  FT_EXPORT_DEF( FT_Error )  FTC_Manager_Lookup_Face( FTC_Manager  manager,
                                                      FTC_FaceID   face_id,
                                                      FT_Face*     aface );
 
  FT_EXPORT_DEF( FT_Error )  FTC_Manager_Lookup_Size( FTC_Manager  manager,
                                                      FTC_SizeID   size_id,
                                                      FT_Face*     aface,
                                                      FT_Size*     asize );


#ifdef __cplusplus
  }
#endif


#endif /* FTCMANAG_H */


/* END */