+++ /dev/null
-/***************************************************************************/
-/* */
-/* afglobal.h */
-/* */
-/* Auto-fitter routines to compute global hinting values */
-/* (specification). */
-/* */
-/* Copyright 2003-2016 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 "afshaper.h"
-
-
-FT_BEGIN_HEADER
-
-
- FT_LOCAL_ARRAY( AF_WritingSystemClass )
- af_writing_system_classes[];
-
-
-#undef SCRIPT
-#define SCRIPT( s, S, d, h, H, ss ) \
- 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 for AF_DIGIT and AF_NONBASE */
-#define AF_STYLE_MASK 0x3FFF
- /* an uncovered glyph */
-#define AF_STYLE_UNASSIGNED AF_STYLE_MASK
-
- /* if this flag is set, we have an ASCII digit */
-#define AF_DIGIT 0x8000U
- /* if this flag is set, we have a non-base character */
-#define AF_NONBASE 0x4000U
-
- /* `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_UShort* glyph_styles;
-
-#ifdef FT_CONFIG_OPTION_USE_HARFBUZZ
- hb_font_t* hb_font;
- hb_buffer_t* hb_buf; /* for feature comparison */
-#endif
-
- /* per-face auto-hinter properties */
- FT_UInt increase_x_height;
-
- AF_StyleMetrics metrics[AF_STYLE_MAX];
-
- /* Compute darkening amount once per size. Use this to check whether */
- /* darken_{x,y} needs to be recomputed. */
- FT_UShort stem_darkening_for_ppem;
- /* Copy from e.g. AF_LatinMetrics.axis[AF_DIMENSION_HORZ] */
- /* to compute the darkening amount. */
- FT_Pos standard_vertical_width;
- /* Copy from e.g. AF_LatinMetrics.axis[AF_DIMENSION_VERT] */
- /* to compute the darkening amount. */
- FT_Pos standard_horizontal_width;
- /* The actual amount to darken a glyph along the X axis. */
- FT_Pos darken_x;
- /* The actual amount to darken a glyph along the Y axis. */
- FT_Pos darken_y;
- /* Amount to scale down by to keep emboldened points */
- /* on the Y-axis in pre-computed blue zones. */
- FT_Fixed scale_down_factor;
- 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 */
projects / reactos.git / blobdiff