kc3-lang/freetype/src/pshinter/pshalgo1.h

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• Hash : d1245c0d
  Author :
  Date : 2002-08-27T22:34:20
  

  updating sources to support the new FT_LOAD_TARGET_ constants to support target-specific hinting

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• src/pshinter/pshalgo1.h

• /***************************************************************************/
  /*                                                                         */
  /*  pshalgo1.h                                                             */
  /*                                                                         */
  /*    PostScript hinting algorithm 1 (specification).                      */
  /*                                                                         */
  /*  Copyright 2001 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 __PSHALGO1_H__
  #define __PSHALGO1_H__
  
  #include "pshrec.h"
  
  FT_BEGIN_HEADER
  
    typedef struct PSH1_HintRec_*  PSH1_Hint;
  
    typedef enum
    {
      PSH1_HINT_FLAG_GHOST  = PS_HINT_FLAG_GHOST,
      PSH1_HINT_FLAG_BOTTOM = PS_HINT_FLAG_BOTTOM,
      PSH1_HINT_FLAG_ACTIVE = 4
  
    } PSH1_Hint_Flags;
  
  #define psh1_hint_is_active( x )                          \
            ( ( (x)->flags & PSH1_HINT_FLAG_ACTIVE ) != 0 )
  #define psh1_hint_is_ghost( x )                          \
            ( ( (x)->flags & PSH1_HINT_FLAG_GHOST ) != 0 )
  
  #define psh1_hint_activate( x )    (x)->flags |= PSH1_HINT_FLAG_ACTIVE
  #define psh1_hint_deactivate( x )  (x)->flags &= ~PSH1_HINT_FLAG_ACTIVE
  
    typedef struct  PSH1_HintRec_
    {
      FT_Int     org_pos;
      FT_Int     org_len;
      FT_Pos     cur_pos;
      FT_Pos     cur_len;
  
      FT_UInt    flags;
  
      PSH1_Hint  parent;
      FT_Int     order;
  
    } PSH1_HintRec;
  
  
    /* this is an interpolation zone used for strong points;  */
    /* weak points are interpolated according to their strong */
    /* neighbours                                             */
    typedef struct  PSH1_ZoneRec_
    {
      FT_Fixed  scale;
      FT_Fixed  delta;
      FT_Pos    min;
      FT_Pos    max;
  
    } PSH1_ZoneRec, *PSH1_Zone;
  
  
    typedef struct  PSH1_Hint_TableRec_
    {
      FT_UInt        max_hints;
      FT_UInt        num_hints;
      PSH1_Hint      hints;
      PSH1_Hint*     sort;
      PSH1_Hint*     sort_global;
      FT_UInt        num_zones;
      PSH1_Zone      zones;
      PSH1_Zone      zone;
      PS_Mask_Table  hint_masks;
      PS_Mask_Table  counter_masks;
  
    } PSH1_Hint_TableRec, *PSH1_Hint_Table;
  
  
    extern FT_Error
    ps1_hints_apply( PS_Hints        ps_hints,
                     FT_Outline*     outline,
                     PSH_Globals     globals,
                     FT_Render_Mode  hint_mode );
  
  
  #ifdef DEBUG_HINTER
    extern  PSH1_Hint_Table  ps1_debug_hint_table;
  
    typedef void
    (*PSH1_HintFunc)( PSH1_Hint  hint,
                      FT_Bool    vertical );
  
    extern PSH1_HintFunc  ps1_debug_hint_func;
  #endif
  
  FT_END_HEADER
  
  #endif /* __PSHALGO1_H__ */
  
  
  /* END */
  

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