ref: 57cbb8c148999ba8f14ed53435fc071ac9953afd
dir: /src/autofit/afwarp.h/
/***************************************************************************/
/* */
/* afwarp.h */
/* */
/* Auto-fitter warping algorithm (specification). */
/* */
/* Copyright 2006-2015 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;
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 */