| /**************************************************************************** |
| * |
| * 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 */ |
