+++ /dev/null
-/***************************************************************************/
-/* */
-/* afcjk.h */
-/* */
-/* Auto-fitter hinting routines for CJK writing system (specification). */
-/* */
-/* Copyright 2006-2016 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 AFCJK_H_
-#define AFCJK_H_
-
-#include "afhints.h"
-#include "aflatin.h"
-
-
-FT_BEGIN_HEADER
-
-
- /* the CJK-specific writing system */
-
- AF_DECLARE_WRITING_SYSTEM_CLASS( af_cjk_writing_system_class )
-
-
- /*************************************************************************/
- /*************************************************************************/
- /***** *****/
- /***** C J K G L O B A L M E T R I C S *****/
- /***** *****/
- /*************************************************************************/
- /*************************************************************************/
-
-
- /*
- * CJK glyphs tend to fill the square. So we have both vertical and
- * horizontal blue zones. But some glyphs have flat bounding strokes that
- * leave some space between neighbour glyphs.
- */
-
-#define AF_CJK_IS_TOP_BLUE( b ) \
- ( (b)->properties & AF_BLUE_PROPERTY_CJK_TOP )
-#define AF_CJK_IS_HORIZ_BLUE( b ) \
- ( (b)->properties & AF_BLUE_PROPERTY_CJK_HORIZ )
-#define AF_CJK_IS_RIGHT_BLUE AF_CJK_IS_TOP_BLUE
-
-#define AF_CJK_MAX_WIDTHS 16
-
-
-#define AF_CJK_BLUE_ACTIVE ( 1U << 0 ) /* zone height is <= 3/4px */
-#define AF_CJK_BLUE_TOP ( 1U << 1 ) /* result of AF_CJK_IS_TOP_BLUE */
-#define AF_CJK_BLUE_ADJUSTMENT ( 1U << 2 ) /* used for scale adjustment */
- /* optimization */
-
-
- typedef struct AF_CJKBlueRec_
- {
- AF_WidthRec ref;
- AF_WidthRec shoot; /* undershoot */
- FT_UInt flags;
-
- } AF_CJKBlueRec, *AF_CJKBlue;
-
-
- typedef struct AF_CJKAxisRec_
- {
- FT_Fixed scale;
- FT_Pos delta;
-
- FT_UInt width_count; /* number of used widths */
- AF_WidthRec widths[AF_CJK_MAX_WIDTHS]; /* widths array */
- FT_Pos edge_distance_threshold; /* used for creating edges */
- FT_Pos standard_width; /* the default stem thickness */
- FT_Bool extra_light; /* is standard width very light? */
-
- /* used for horizontal metrics too for CJK */
- FT_Bool control_overshoot;
- FT_UInt blue_count;
- AF_CJKBlueRec blues[AF_BLUE_STRINGSET_MAX];
-
- FT_Fixed org_scale;
- FT_Pos org_delta;
-
- } AF_CJKAxisRec, *AF_CJKAxis;
-
-
- typedef struct AF_CJKMetricsRec_
- {
- AF_StyleMetricsRec root;
- FT_UInt units_per_em;
- AF_CJKAxisRec axis[AF_DIMENSION_MAX];
-
- } AF_CJKMetricsRec, *AF_CJKMetrics;
-
-
-#ifdef AF_CONFIG_OPTION_CJK
- FT_LOCAL( FT_Error )
- af_cjk_metrics_init( AF_CJKMetrics metrics,
- FT_Face face );
-
- FT_LOCAL( void )
- af_cjk_metrics_scale( AF_CJKMetrics metrics,
- AF_Scaler scaler );
-
- FT_LOCAL( FT_Error )
- af_cjk_hints_init( AF_GlyphHints hints,
- AF_CJKMetrics metrics );
-
- FT_LOCAL( FT_Error )
- af_cjk_hints_apply( FT_UInt glyph_index,
- AF_GlyphHints hints,
- FT_Outline* outline,
- AF_CJKMetrics metrics );
-
- /* shared; called from afindic.c */
- FT_LOCAL( void )
- af_cjk_metrics_check_digits( AF_CJKMetrics metrics,
- FT_Face face );
-
- FT_LOCAL( void )
- af_cjk_metrics_init_widths( AF_CJKMetrics metrics,
- FT_Face face );
-#endif /* AF_CONFIG_OPTION_CJK */
-
-
-/* */
-
-FT_END_HEADER
-
-#endif /* AFCJK_H_ */
-
-
-/* END */
projects / reactos.git / blobdiff