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/src/freetype/src/autofit/afwarp.h

https://bitbucket.org/cabalistic/ogredeps/
C++ Header | 64 lines | 28 code | 19 blank | 17 comment | 0 complexity | 35ccc0b1a73ccd7e8550ba0cc0da1cc0 MD5 | raw file
 1/***************************************************************************/
 2/*                                                                         */
 3/*  afwarp.h                                                               */
 4/*                                                                         */
 5/*    Auto-fitter warping algorithm (specification).                       */
 6/*                                                                         */
 7/*  Copyright 2006, 2007 by                                                */
 8/*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 9/*                                                                         */
10/*  This file is part of the FreeType project, and may only be used,       */
11/*  modified, and distributed under the terms of the FreeType project      */
12/*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
13/*  this file you indicate that you have read the license and              */
14/*  understand and accept it fully.                                        */
15/*                                                                         */
16/***************************************************************************/
17
18
19#ifndef __AFWARP_H__
20#define __AFWARP_H__
21
22#include "afhints.h"
23
24FT_BEGIN_HEADER
25
26#define AF_WARPER_SCALE
27
28#define AF_WARPER_FLOOR( x )  ( (x) & ~63 )
29#define AF_WARPER_CEIL( x )   AF_WARPER_FLOOR( (x) + 63 )
30
31
32  typedef FT_Int32  AF_WarpScore;
33
34  typedef struct  AF_WarperRec_
35  {
36    FT_Pos        x1, x2;
37    FT_Pos        t1, t2;
38    FT_Pos        x1min, x1max;
39    FT_Pos        x2min, x2max;
40    FT_Pos        w0, wmin, wmax;
41
42    FT_Fixed      best_scale;
43    FT_Pos        best_delta;
44    AF_WarpScore  best_score;
45    AF_WarpScore  best_distort;
46
47  } AF_WarperRec, *AF_Warper;
48
49
50  FT_LOCAL( void )
51  af_warper_compute( AF_Warper      warper,
52                     AF_GlyphHints  hints,
53                     AF_Dimension   dim,
54                     FT_Fixed      *a_scale,
55                     FT_Fixed      *a_delta );
56
57
58FT_END_HEADER
59
60
61#endif /* __AFWARP_H__ */
62
63
64/* END */