ref: edcf817efa9121d7b3cf29c124701c5d7d6f78f2
dir: /src/autofit/afglobal.h/
/***************************************************************************/ /* */ /* afglobal.h */ /* */ /* Auto-fitter routines to compute global hinting values */ /* (specification). */ /* */ /* Copyright 2003-2005, 2007, 2009, 2011-2014 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" #include "hbshim.h" FT_BEGIN_HEADER FT_LOCAL_ARRAY( AF_WritingSystemClass ) af_writing_system_classes[]; #undef SCRIPT #define SCRIPT( s, S, d, h, sc1, sc2, sc3 ) \ AF_DECLARE_SCRIPT_CLASS( af_ ## s ## _script_class ) #include "afscript.h" FT_LOCAL_ARRAY( AF_ScriptClass ) af_script_classes[]; #undef STYLE #define STYLE( s, S, d, ws, sc, ss, c ) \ AF_DECLARE_STYLE_CLASS( af_ ## s ## _style_class ) #include "afstyles.h" FT_LOCAL_ARRAY( AF_StyleClass ) af_style_classes[]; #ifdef FT_DEBUG_LEVEL_TRACE FT_LOCAL_ARRAY( char* ) af_style_names[]; #endif /* * Default values and flags for both autofitter globals (found in * AF_ModuleRec) and face globals (in AF_FaceGlobalsRec). */ /* index of fallback style in `af_style_classes' */ #ifdef AF_CONFIG_OPTION_CJK #define AF_STYLE_FALLBACK AF_STYLE_HANI_DFLT #else #define AF_STYLE_FALLBACK AF_STYLE_NONE_DFLT #endif /* default script for OpenType; ignored if HarfBuzz isn't used */ #define AF_SCRIPT_DEFAULT AF_SCRIPT_LATN /* a bit mask indicating an uncovered glyph */ #define AF_STYLE_UNASSIGNED 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_styles[] maps each glyph to an index into the * `af_style_classes' array. * */ typedef struct AF_FaceGlobalsRec_ { FT_Face face; FT_Long glyph_count; /* same as face->num_glyphs */ FT_Byte* glyph_styles; #ifdef FT_CONFIG_OPTION_USE_HARFBUZZ hb_font_t* hb_font; #endif /* per-face auto-hinter properties */ FT_UInt increase_x_height; AF_StyleMetrics metrics[AF_STYLE_MAX]; AF_Module module; /* to access global properties */ } AF_FaceGlobalsRec; /* * model the global hints data for a given face, decomposed into * style-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_StyleMetrics *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 */