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/***************************************************************************/
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/* */
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/* afwarp.h */
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/* */
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/* Auto-fitter warping algorithm (specification). */
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/* */
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/* Copyright 2006, 2007 by */
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/* David Turner, Robert Wilhelm, and Werner Lemberg. */
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/* */
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/* This file is part of the FreeType project, and may only be used, */
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/* modified, and distributed under the terms of the FreeType project */
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/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
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/* this file you indicate that you have read the license and */
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/* understand and accept it fully. */
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/* */
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/***************************************************************************/
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#ifndef __AFWARP_H__
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#define __AFWARP_H__
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#include "afhints.h"
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FT_BEGIN_HEADER
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#define AF_WARPER_SCALE
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#define AF_WARPER_FLOOR( x ) ( (x) & ~63 )
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#define AF_WARPER_CEIL( x ) AF_WARPER_FLOOR( (x) + 63 )
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typedef FT_Int32 AF_WarpScore;
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typedef struct AF_WarperRec_
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{
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FT_Pos x1, x2;
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FT_Pos t1, t2;
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FT_Pos x1min, x1max;
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FT_Pos x2min, x2max;
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FT_Pos w0, wmin, wmax;
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FT_Fixed best_scale;
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FT_Pos best_delta;
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AF_WarpScore best_score;
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AF_WarpScore best_distort;
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} AF_WarperRec, *AF_Warper;
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FT_LOCAL( void )
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af_warper_compute( AF_Warper warper,
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AF_GlyphHints hints,
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AF_Dimension dim,
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FT_Fixed *a_scale,
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FT_Fixed *a_delta );
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FT_END_HEADER
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#endif /* __AFWARP_H__ */
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/* END */
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