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

Branch : - branch - master v2.13 - tag -

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  Commit

• Author : Werner Lemberg
  Date : 2008-05-28 22:17:28
  Hash : 2b0b4221
  Message : Cosmetic code changes.

• src/pshinter/pshrec.h

• /***************************************************************************/
  /*                                                                         */
  /*  pshrec.h                                                               */
  /*                                                                         */
  /*    Postscript (Type1/Type2) hints recorder (specification).             */
  /*                                                                         */
  /*  Copyright 2001, 2002, 2003, 2006, 2008 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.                                        */
  /*                                                                         */
  /***************************************************************************/
  
  
    /**************************************************************************/
    /*                                                                        */
    /*  The functions defined here are called from the Type 1, CID and CFF    */
    /*  font drivers to record the hints of a given character/glyph.          */
    /*                                                                        */
    /*  The hints are recorded in a unified format, and are later processed   */
    /*  by the `optimizer' and `fitter' to adjust the outlines to the pixel   */
    /*  grid.                                                                 */
    /*                                                                        */
    /**************************************************************************/
  
  
  #ifndef __PSHREC_H__
  #define __PSHREC_H__
  
  
  #include <ft2build.h>
  #include FT_INTERNAL_POSTSCRIPT_HINTS_H
  #include "pshglob.h"
  
  
  FT_BEGIN_HEADER
  
  
    /*************************************************************************/
    /*************************************************************************/
    /*****                                                               *****/
    /*****                 GLYPH HINTS RECORDER INTERNALS                *****/
    /*****                                                               *****/
    /*************************************************************************/
    /*************************************************************************/
  
    /* handle to hint record */
    typedef struct PS_HintRec_*  PS_Hint;
  
    /* hint types */
    typedef enum  PS_Hint_Type_
    {
      PS_HINT_TYPE_1 = 1,
      PS_HINT_TYPE_2 = 2
  
    } PS_Hint_Type;
  
  
    /* hint flags */
    typedef enum  PS_Hint_Flags_
    {
      PS_HINT_FLAG_GHOST  = 1,
      PS_HINT_FLAG_BOTTOM = 2
  
    } PS_Hint_Flags;
  
  
    /* hint descriptor */
    typedef struct  PS_HintRec_
    {
      FT_Int   pos;
      FT_Int   len;
      FT_UInt  flags;
  
    } PS_HintRec;
  
  
  #define ps_hint_is_active( x )  ( (x)->flags & PS_HINT_FLAG_ACTIVE )
  #define ps_hint_is_ghost( x )   ( (x)->flags & PS_HINT_FLAG_GHOST  )
  #define ps_hint_is_bottom( x )  ( (x)->flags & PS_HINT_FLAG_BOTTOM )
  
  
    /* hints table descriptor */
    typedef struct  PS_Hint_TableRec_
    {
      FT_UInt  num_hints;
      FT_UInt  max_hints;
      PS_Hint  hints;
  
    } PS_Hint_TableRec, *PS_Hint_Table;
  
  
    /* hint and counter mask descriptor */
    typedef struct  PS_MaskRec_
    {
      FT_UInt   num_bits;
      FT_UInt   max_bits;
      FT_Byte*  bytes;
      FT_UInt   end_point;
  
    } PS_MaskRec, *PS_Mask;
  
  
    /* masks and counters table descriptor */
    typedef struct  PS_Mask_TableRec_
    {
      FT_UInt  num_masks;
      FT_UInt  max_masks;
      PS_Mask  masks;
  
    } PS_Mask_TableRec, *PS_Mask_Table;
  
  
   /* dimension-specific hints descriptor */
    typedef struct  PS_DimensionRec_
    {
      PS_Hint_TableRec  hints;
      PS_Mask_TableRec  masks;
      PS_Mask_TableRec  counters;
  
    } PS_DimensionRec, *PS_Dimension;
  
  
    /* glyph hints descriptor                                */
    /* dimension 0 => X coordinates + vertical hints/stems   */
    /* dimension 1 => Y coordinates + horizontal hints/stems */
    typedef struct  PS_HintsRec_
    {
      FT_Memory        memory;
      FT_Error         error;
      FT_UInt32        magic;
      PS_Hint_Type     hint_type;
      PS_DimensionRec  dimension[2];
  
    } PS_HintsRec, *PS_Hints;
  
    /* */
  
    /* initialize hints recorder */
    FT_LOCAL( FT_Error )
    ps_hints_init( PS_Hints   hints,
                   FT_Memory  memory );
  
    /* finalize hints recorder */
    FT_LOCAL( void )
    ps_hints_done( PS_Hints  hints );
  
    /* initialize Type1 hints recorder interface */
    FT_LOCAL( void )
    t1_hints_funcs_init( T1_Hints_FuncsRec*  funcs );
  
    /* initialize Type2 hints recorder interface */
    FT_LOCAL( void )
    t2_hints_funcs_init( T2_Hints_FuncsRec*  funcs );
  
  
  #ifdef DEBUG_HINTER
    extern PS_Hints  ps_debug_hints;
    extern  int      ps_debug_no_horz_hints;
    extern  int      ps_debug_no_vert_hints;
  #endif
  
   /* */
  
  
  FT_END_HEADER
  
  
  #endif /* __PS_HINTER_RECORD_H__ */
  
  
  /* END */