d8324571f1
* src/autofit/afranges.c, src/autofit/afranges.h: New files. * src/autofit/afscript.h: Extend `SCRIPT' macro with more parameters, taking data from the writing system files. * src/autofit/aftypes.h: Updated. * src/autofit/afglobal.c: Include `afranges.h'. Load `afscript.h' to call AF_DEFINE_SCRIPT_CLASS. * src/autofit/afglobal.c: Include `afranges.h'. Load `afscript.h' to call AF_DECLARE_SCRIPT_CLASS. * src/autofit/afcjk.c, src/autofit/afcjk.h: Updated. * src/autofit/afdummy.c, src/autofit/afdummy.h: Updated. * src/autofit/afindic.c, src/autofit/afindic.h: Updated. * src/autofit/aflatin.c, src/autofit/aflatin.h: Updated. * src/autofit/aflatn2.c, src/autofit/aflatn2.h: Updated. * src/autofit/afpic.c: Updated. * src/autofir/autofit.c: Include `afranges.c'. * src/autofit/rules.mk (AUTOF_DRV_SRC): Add `afranges.c'.
131 lines
4.2 KiB
C
131 lines
4.2 KiB
C
/***************************************************************************/
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/* */
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/* afglobal.h */
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/* */
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/* Auto-fitter routines to compute global hinting values */
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/* (specification). */
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/* */
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/* Copyright 2003-2005, 2007, 2009, 2011-2013 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 __AFGLOBAL_H__
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#define __AFGLOBAL_H__
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#include "aftypes.h"
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#include "afmodule.h"
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FT_BEGIN_HEADER
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FT_LOCAL_ARRAY( AF_WritingSystemClass )
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af_writing_system_classes[];
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#undef SCRIPT
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#define SCRIPT( s, S, d, ss, ws, dc ) \
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AF_DECLARE_SCRIPT_CLASS( af_ ## s ## _script_class )
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#include "afscript.h"
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FT_LOCAL_ARRAY( AF_ScriptClass )
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af_script_classes[];
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#ifdef FT_DEBUG_LEVEL_TRACE
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FT_LOCAL_ARRAY( char* )
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af_script_names[];
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#endif
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/*
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* Default values and flags for both autofitter globals (found in
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* AF_ModuleRec) and face globals (in AF_FaceGlobalsRec).
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*/
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/* index of fallback script in `af_script_classes' */
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#ifdef AF_CONFIG_OPTION_CJK
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#define AF_SCRIPT_FALLBACK AF_SCRIPT_HANI
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#else
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#define AF_SCRIPT_FALLBACK AF_SCRIPT_NONE
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#endif
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/* a bit mask indicating an uncovered glyph */
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#define AF_SCRIPT_UNASSIGNED 0x7F
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/* if this flag is set, we have an ASCII digit */
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#define AF_DIGIT 0x80
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/* `increase-x-height' property */
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#define AF_PROP_INCREASE_X_HEIGHT_MIN 6
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#define AF_PROP_INCREASE_X_HEIGHT_MAX 0
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/************************************************************************/
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/************************************************************************/
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/***** *****/
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/***** F A C E G L O B A L S *****/
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/***** *****/
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/************************************************************************/
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/************************************************************************/
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/*
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* Note that glyph_styles[] maps each glyph to an index into the
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* `af_script_classes' array.
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*
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*/
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typedef struct AF_FaceGlobalsRec_
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{
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FT_Face face;
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FT_Long glyph_count; /* same as face->num_glyphs */
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FT_Byte* glyph_styles;
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/* per-face auto-hinter properties */
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FT_UInt increase_x_height;
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AF_StyleMetrics metrics[AF_SCRIPT_MAX];
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AF_Module module; /* to access global properties */
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} AF_FaceGlobalsRec;
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/*
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* model the global hints data for a given face, decomposed into
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* script-specific items
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*/
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FT_LOCAL( FT_Error )
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af_face_globals_new( FT_Face face,
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AF_FaceGlobals *aglobals,
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AF_Module module );
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FT_LOCAL( FT_Error )
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af_face_globals_get_metrics( AF_FaceGlobals globals,
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FT_UInt gindex,
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FT_UInt options,
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AF_StyleMetrics *ametrics );
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FT_LOCAL( void )
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af_face_globals_free( AF_FaceGlobals globals );
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FT_LOCAL_DEF( FT_Bool )
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af_face_globals_is_digit( AF_FaceGlobals globals,
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FT_UInt gindex );
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/* */
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FT_END_HEADER
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#endif /* __AFGLOBAL_H__ */
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/* END */
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