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| /****************************************************************************
| *
| * afwarp.h
| *
| * Auto-fitter warping algorithm (specification).
| *
| * Copyright 2006-2018 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_Fixed *a_delta );
| #endif
|
|
| FT_END_HEADER
|
|
| #endif /* AFWARP_H_ */
|
|
| /* END */
|
|
