kc3-lang/freetype/src/autofit/afwarp.h

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• Hash : b6de8d1d
  Author :
  Date : 2007-01-23T15:51:50
  

          * src/autofit/aflatin.c, src/autofit/aftypes.h, src/autofit/afwarp.h,
          src/autofit/afwarp.c: fix and enable the warper to improve "light"
          hinting mode. This is not necessarily a final version, but it seems
          to work well
  

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• src/autofit/afwarp.h

• /***************************************************************************/
  /*                                                                         */
  /*  afwarp.h                                                               */
  /*                                                                         */
  /*    Auto-fitter warping algorithm (specification).                       */
  /*                                                                         */
  /*  Copyright 2006 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 __AFWARP_H__
  #define __AFWARP_H__
  
  #include "afhints.h"
  
  FT_BEGIN_HEADER
  
  #define AF_WARPER_SCALE
  
  #define AF_WARPER_FLOOR( x )  ( (x) & ~63 )
  #define AF_WARPER_CEIL( x )   AF_WARPER_FLOOR( (x) + 63 )
  
  
    typedef FT_Int32  AF_WarpScore;
  
    typedef struct  AF_WarperRec_
    {
      FT_Pos        x1, x2;
      FT_Pos        t1, t2;
      FT_Pos        x1min, x1max;
      FT_Pos        x2min, x2max;
      FT_Pos        w0, wmin, wmax;
  
      FT_Fixed      best_scale;
      FT_Pos        best_delta;
      AF_WarpScore  best_score;
      AF_WarpScore  best_distort;
  
    } AF_WarperRec, *AF_Warper;
  
  
    FT_LOCAL( void )
    af_warper_compute( AF_Warper      warper,
                       AF_GlyphHints  hints,
                       AF_Dimension   dim,
                       FT_Fixed      *a_scale,
                       FT_Fixed      *a_delta );
  
  
  FT_END_HEADER
  
  
  #endif /* __AFWARP_H__ */
  
  
  /* END */
  

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