diff options
author | chai <chaifix@163.com> | 2018-05-31 08:12:40 +0800 |
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committer | chai <chaifix@163.com> | 2018-05-31 08:12:40 +0800 |
commit | ad8ffb96789f90180982b344540870a2d4e2d60b (patch) | |
tree | 2bf2e124cb0130acaad1dcce2034ff2847b3d0a2 /3rdparty/freetype/src/autofit/afglobal.h |
Diffstat (limited to '3rdparty/freetype/src/autofit/afglobal.h')
-rw-r--r-- | 3rdparty/freetype/src/autofit/afglobal.h | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/3rdparty/freetype/src/autofit/afglobal.h b/3rdparty/freetype/src/autofit/afglobal.h new file mode 100644 index 0000000..2e24900 --- /dev/null +++ b/3rdparty/freetype/src/autofit/afglobal.h @@ -0,0 +1,109 @@ +/***************************************************************************/ +/* */ +/* afglobal.h */ +/* */ +/* Auto-fitter routines to compute global hinting values */ +/* (specification). */ +/* */ +/* Copyright 2003-2005, 2007, 2009, 2011-2012 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 __AFGLOBAL_H__ +#define __AFGLOBAL_H__ + + +#include "aftypes.h" +#include "afmodule.h" + + +FT_BEGIN_HEADER + + + /* + * Default values and flags for both autofitter globals (found in + * AF_ModuleRec) and face globals (in AF_FaceGlobalsRec). + */ + + /* index of fallback script in `af_script_classes' */ +#define AF_SCRIPT_FALLBACK 2 + /* a bit mask indicating an uncovered glyph */ +#define AF_SCRIPT_NONE 0x7F + /* if this flag is set, we have an ASCII digit */ +#define AF_DIGIT 0x80 + + /* `increase-x-height' property */ +#define AF_PROP_INCREASE_X_HEIGHT_MIN 6 +#define AF_PROP_INCREASE_X_HEIGHT_MAX 0 + + + /************************************************************************/ + /************************************************************************/ + /***** *****/ + /***** F A C E G L O B A L S *****/ + /***** *****/ + /************************************************************************/ + /************************************************************************/ + + + /* + * Note that glyph_scripts[] is used to map each glyph into + * an index into the `af_script_classes' array. + * + */ + typedef struct AF_FaceGlobalsRec_ + { + FT_Face face; + FT_Long glyph_count; /* same as face->num_glyphs */ + FT_Byte* glyph_scripts; + + /* per-face auto-hinter properties */ + FT_UInt increase_x_height; + + AF_ScriptMetrics metrics[AF_SCRIPT_MAX]; + + AF_Module module; /* to access global properties */ + + } AF_FaceGlobalsRec; + + + /* + * model the global hints data for a given face, decomposed into + * script-specific items + */ + + FT_LOCAL( FT_Error ) + af_face_globals_new( FT_Face face, + AF_FaceGlobals *aglobals, + AF_Module module ); + + FT_LOCAL( FT_Error ) + af_face_globals_get_metrics( AF_FaceGlobals globals, + FT_UInt gindex, + FT_UInt options, + AF_ScriptMetrics *ametrics ); + + FT_LOCAL( void ) + af_face_globals_free( AF_FaceGlobals globals ); + + FT_LOCAL_DEF( FT_Bool ) + af_face_globals_is_digit( AF_FaceGlobals globals, + FT_UInt gindex ); + + /* */ + + +FT_END_HEADER + +#endif /* __AFGLOBAL_H__ */ + + +/* END */ |