/***************************************************************************//*                                                                         *//*  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 */