ref: de60e7d3f8f721445e4435e90a209656ca777352
dir: /src/autofit/afwarp.h/
/****************************************************************************
*
* afwarp.h
*
* Auto-fitter warping algorithm (specification).
*
* Copyright (C) 2006-2020 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) & ~FT_TYPEOF( 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;
#ifdef AF_CONFIG_OPTION_USE_WARPER
FT_LOCAL( void )
af_warper_compute( AF_Warper warper,
AF_GlyphHints hints,
AF_Dimension dim,
FT_Fixed *a_scale,
FT_Pos *a_delta );
#endif
FT_END_HEADER
#endif /* AFWARP_H_ */
/* END */