ref: 94b79e74532373ad8da0eb28d1fb08dd754647ff
dir: /src/autofit/afglobal.h/
/***************************************************************************/ /* */ /* 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 */