forked from Mirrors/wine-wine
3547 lines
126 KiB
C
3547 lines
126 KiB
C
/*
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* Implementation of Shaping for the Uniscribe Script Processor (usp10.dll)
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*
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* Copyright 2010 CodeWeavers, Aric Stewart
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*
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*/
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#include <stdarg.h>
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#include <stdlib.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "winuser.h"
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#include "winnls.h"
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#include "usp10.h"
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#include "winternl.h"
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#include "usp10_internal.h"
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#include "wine/debug.h"
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#include "wine/heap.h"
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WINE_DEFAULT_DEBUG_CHANNEL(uniscribe);
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#define FIRST_ARABIC_CHAR 0x0600
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#define LAST_ARABIC_CHAR 0x06ff
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typedef VOID (*ContextualShapingProc)(HDC, ScriptCache*, SCRIPT_ANALYSIS*,
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WCHAR*, INT, WORD*, INT*, INT, WORD*);
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static void ContextualShape_Control(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
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static void ContextualShape_Arabic(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
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static void ContextualShape_Hebrew(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
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static void ContextualShape_Syriac(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
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static void ContextualShape_Thaana(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
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static void ContextualShape_Phags_pa(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
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static void ContextualShape_Thai(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
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static void ContextualShape_Lao(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
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static void ContextualShape_Sinhala(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
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static void ContextualShape_Devanagari(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
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static void ContextualShape_Bengali(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
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static void ContextualShape_Gurmukhi(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
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static void ContextualShape_Gujarati(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
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static void ContextualShape_Oriya(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
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static void ContextualShape_Tamil(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
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static void ContextualShape_Telugu(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
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static void ContextualShape_Kannada(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
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static void ContextualShape_Malayalam(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
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static void ContextualShape_Khmer(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
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static void ContextualShape_Mongolian(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
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typedef VOID (*ShapeCharGlyphPropProc)( HDC , ScriptCache*, SCRIPT_ANALYSIS*, const WCHAR*, const INT, const WORD*, const INT, WORD*, SCRIPT_CHARPROP*, SCRIPT_GLYPHPROP*);
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static void ShapeCharGlyphProp_Default( ScriptCache* psc, SCRIPT_ANALYSIS* psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD* pwLogClust, SCRIPT_CHARPROP* pCharProp, SCRIPT_GLYPHPROP* pGlyphProp);
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static void ShapeCharGlyphProp_Control( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP* pCharProp, SCRIPT_GLYPHPROP *pGlyphProp );
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static void ShapeCharGlyphProp_Latin( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP* pCharProp, SCRIPT_GLYPHPROP *pGlyphProp );
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static void ShapeCharGlyphProp_Arabic( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP* pCharProp, SCRIPT_GLYPHPROP *pGlyphProp );
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static void ShapeCharGlyphProp_Hebrew( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP* pCharProp, SCRIPT_GLYPHPROP *pGlyphProp );
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static void ShapeCharGlyphProp_Thai( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp );
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static void ShapeCharGlyphProp_None( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp );
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static void ShapeCharGlyphProp_Tibet( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp );
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static void ShapeCharGlyphProp_Sinhala( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp );
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static void ShapeCharGlyphProp_Devanagari( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp );
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static void ShapeCharGlyphProp_Bengali( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp );
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static void ShapeCharGlyphProp_Gurmukhi( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp );
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static void ShapeCharGlyphProp_Gujarati( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp );
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static void ShapeCharGlyphProp_Oriya( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp );
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static void ShapeCharGlyphProp_Tamil( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp );
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static void ShapeCharGlyphProp_Telugu( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp );
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static void ShapeCharGlyphProp_Kannada( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp );
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static void ShapeCharGlyphProp_Malayalam( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp );
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static void ShapeCharGlyphProp_Khmer( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp );
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extern const unsigned short indic_syllabic_table[] DECLSPEC_HIDDEN;
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extern const unsigned short wine_shaping_table[] DECLSPEC_HIDDEN;
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extern const unsigned short wine_shaping_forms[LAST_ARABIC_CHAR - FIRST_ARABIC_CHAR + 1][4] DECLSPEC_HIDDEN;
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enum joining_types {
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jtU,
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jtT,
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jtR,
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jtL,
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jtD,
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jtC
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};
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enum joined_forms {
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Xn=0,
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Xr,
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Xl,
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Xm,
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/* Syriac Alaph */
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Afj,
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Afn,
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Afx
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};
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typedef struct tagVowelComponents
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{
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WCHAR base;
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WCHAR parts[3];
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} VowelComponents;
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typedef struct tagConsonantComponents
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{
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WCHAR parts[3];
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WCHAR output;
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} ConsonantComponents;
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typedef void (*second_reorder_function)(const WCHAR *chars, const IndicSyllable *syllable,
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WORD *glyphs, const IndicSyllable *glyph_index, lexical_function lex);
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typedef int (*combining_lexical_function)(WCHAR c);
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/* the orders of joined_forms and contextual_features need to line up */
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static const char *const contextual_features[] =
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{
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"isol",
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"fina",
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"init",
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"medi",
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/* Syriac Alaph */
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"med2",
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"fin2",
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"fin3"
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};
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static OPENTYPE_FEATURE_RECORD standard_features[] =
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{
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{ MS_MAKE_TAG('c','c','m','p'), 1},
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{ MS_MAKE_TAG('l','o','c','l'), 1},
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};
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static OPENTYPE_FEATURE_RECORD latin_features[] =
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{
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{ MS_MAKE_TAG('l','o','c','l'), 1},
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{ MS_MAKE_TAG('c','c','m','p'), 1},
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{ MS_MAKE_TAG('l','i','g','a'), 1},
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{ MS_MAKE_TAG('c','l','i','g'), 1},
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};
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static OPENTYPE_FEATURE_RECORD latin_gpos_features[] =
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{
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{ MS_MAKE_TAG('k','e','r','n'), 1},
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{ MS_MAKE_TAG('m','a','r','k'), 1},
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{ MS_MAKE_TAG('m','k','m','k'), 1},
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};
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static OPENTYPE_FEATURE_RECORD arabic_features[] =
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{
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{ MS_MAKE_TAG('r','l','i','g'), 1},
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{ MS_MAKE_TAG('c','a','l','t'), 1},
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{ MS_MAKE_TAG('l','i','g','a'), 1},
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{ MS_MAKE_TAG('d','l','i','g'), 1},
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{ MS_MAKE_TAG('c','s','w','h'), 1},
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{ MS_MAKE_TAG('m','s','e','t'), 1},
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};
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static const char *const required_arabic_features[] =
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{
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"fina",
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"init",
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"medi",
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"rlig",
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NULL
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};
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static OPENTYPE_FEATURE_RECORD arabic_gpos_features[] =
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{
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{ MS_MAKE_TAG('c','u','r','s'), 1},
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{ MS_MAKE_TAG('k','e','r','n'), 1},
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{ MS_MAKE_TAG('m','a','r','k'), 1},
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{ MS_MAKE_TAG('m','k','m','k'), 1},
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};
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static OPENTYPE_FEATURE_RECORD hebrew_features[] =
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{
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{ MS_MAKE_TAG('c','c','m','p'), 1},
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{ MS_MAKE_TAG('d','l','i','g'), 0},
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};
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static OPENTYPE_FEATURE_RECORD hebrew_gpos_features[] =
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{
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{ MS_MAKE_TAG('k','e','r','n'), 1},
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{ MS_MAKE_TAG('m','a','r','k'), 1},
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};
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static OPENTYPE_FEATURE_RECORD syriac_features[] =
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{
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{ MS_MAKE_TAG('r','l','i','g'), 1},
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{ MS_MAKE_TAG('c','a','l','t'), 1},
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{ MS_MAKE_TAG('l','i','g','a'), 1},
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{ MS_MAKE_TAG('d','l','i','g'), 1},
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};
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static const char *const required_syriac_features[] =
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{
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"fina",
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"fin2",
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"fin3",
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"init",
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"medi",
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"med2",
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"rlig",
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NULL
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};
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static OPENTYPE_FEATURE_RECORD syriac_gpos_features[] =
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{
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{ MS_MAKE_TAG('k','e','r','n'), 1},
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{ MS_MAKE_TAG('m','a','r','k'), 1},
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{ MS_MAKE_TAG('m','k','m','k'), 1},
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};
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static OPENTYPE_FEATURE_RECORD sinhala_features[] =
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{
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/* Presentation forms */
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{ MS_MAKE_TAG('b','l','w','s'), 1},
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{ MS_MAKE_TAG('a','b','v','s'), 1},
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{ MS_MAKE_TAG('p','s','t','s'), 1},
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};
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static OPENTYPE_FEATURE_RECORD tibetan_features[] =
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{
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{ MS_MAKE_TAG('a','b','v','s'), 1},
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{ MS_MAKE_TAG('b','l','w','s'), 1},
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};
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static OPENTYPE_FEATURE_RECORD tibetan_gpos_features[] =
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{
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{ MS_MAKE_TAG('a','b','v','m'), 1},
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{ MS_MAKE_TAG('b','l','w','m'), 1},
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};
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static OPENTYPE_FEATURE_RECORD phags_features[] =
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{
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{ MS_MAKE_TAG('a','b','v','s'), 1},
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{ MS_MAKE_TAG('b','l','w','s'), 1},
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{ MS_MAKE_TAG('c','a','l','t'), 1},
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};
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static OPENTYPE_FEATURE_RECORD thai_features[] =
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{
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{ MS_MAKE_TAG('c','c','m','p'), 1},
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};
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static OPENTYPE_FEATURE_RECORD thai_gpos_features[] =
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{
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{ MS_MAKE_TAG('k','e','r','n'), 1},
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{ MS_MAKE_TAG('m','a','r','k'), 1},
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{ MS_MAKE_TAG('m','k','m','k'), 1},
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};
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static const char *const required_lao_features[] =
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{
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"ccmp",
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NULL
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};
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static const char *const required_devanagari_features[] =
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{
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"nukt",
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"akhn",
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"rphf",
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"blwf",
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"half",
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"vatu",
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"pres",
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"abvs",
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"blws",
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"psts",
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"haln",
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NULL
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};
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static OPENTYPE_FEATURE_RECORD devanagari_features[] =
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{
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{ MS_MAKE_TAG('p','r','e','s'), 1},
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{ MS_MAKE_TAG('a','b','v','s'), 1},
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{ MS_MAKE_TAG('b','l','w','s'), 1},
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{ MS_MAKE_TAG('p','s','t','s'), 1},
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{ MS_MAKE_TAG('h','a','l','n'), 1},
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{ MS_MAKE_TAG('c','a','l','t'), 1},
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};
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static OPENTYPE_FEATURE_RECORD devanagari_gpos_features[] =
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{
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{ MS_MAKE_TAG('k','e','r','n'), 1},
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{ MS_MAKE_TAG('d','i','s','t'), 1},
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{ MS_MAKE_TAG('a','b','v','m'), 1},
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{ MS_MAKE_TAG('b','l','w','m'), 1},
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};
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static OPENTYPE_FEATURE_RECORD myanmar_features[] =
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{
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{ MS_MAKE_TAG('l','i','g','a'), 1},
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{ MS_MAKE_TAG('c','l','i','g'), 1},
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};
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static const char *const required_bengali_features[] =
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{
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"nukt",
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"akhn",
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"rphf",
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"blwf",
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"half",
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"vatu",
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"pstf",
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"init",
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"abvs",
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"blws",
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"psts",
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"haln",
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NULL
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};
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static const char *const required_gurmukhi_features[] =
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{
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|
"nukt",
|
|
"akhn",
|
|
"rphf",
|
|
"blwf",
|
|
"half",
|
|
"pstf",
|
|
"vatu",
|
|
"cjct",
|
|
"pres",
|
|
"abvs",
|
|
"blws",
|
|
"psts",
|
|
"haln",
|
|
"calt",
|
|
NULL
|
|
};
|
|
|
|
static const char *const required_oriya_features[] =
|
|
{
|
|
"nukt",
|
|
"akhn",
|
|
"rphf",
|
|
"blwf",
|
|
"pstf",
|
|
"cjct",
|
|
"pres",
|
|
"abvs",
|
|
"blws",
|
|
"psts",
|
|
"haln",
|
|
"calt",
|
|
NULL
|
|
};
|
|
|
|
static const char *const required_tamil_features[] =
|
|
{
|
|
"nukt",
|
|
"akhn",
|
|
"rphf",
|
|
"pref",
|
|
"half",
|
|
"pres",
|
|
"abvs",
|
|
"blws",
|
|
"psts",
|
|
"haln",
|
|
"calt",
|
|
NULL
|
|
};
|
|
|
|
static const char *const required_telugu_features[] =
|
|
{
|
|
"nukt",
|
|
"akhn",
|
|
"rphf",
|
|
"pref",
|
|
"half",
|
|
"pstf",
|
|
"cjct",
|
|
"pres",
|
|
"abvs",
|
|
"blws",
|
|
"psts",
|
|
"haln",
|
|
"calt",
|
|
NULL
|
|
};
|
|
|
|
static OPENTYPE_FEATURE_RECORD khmer_features[] =
|
|
{
|
|
{ MS_MAKE_TAG('p','r','e','s'), 1},
|
|
{ MS_MAKE_TAG('b','l','w','s'), 1},
|
|
{ MS_MAKE_TAG('a','b','v','s'), 1},
|
|
{ MS_MAKE_TAG('p','s','t','s'), 1},
|
|
{ MS_MAKE_TAG('c','l','i','g'), 1},
|
|
};
|
|
|
|
static const char *const required_khmer_features[] =
|
|
{
|
|
"pref",
|
|
"blwf",
|
|
"abvf",
|
|
"pstf",
|
|
"pres",
|
|
"blws",
|
|
"abvs",
|
|
"psts",
|
|
"clig",
|
|
NULL
|
|
};
|
|
|
|
static OPENTYPE_FEATURE_RECORD khmer_gpos_features[] =
|
|
{
|
|
{ MS_MAKE_TAG('d','i','s','t'), 1},
|
|
{ MS_MAKE_TAG('b','l','w','m'), 1},
|
|
{ MS_MAKE_TAG('a','b','v','m'), 1},
|
|
{ MS_MAKE_TAG('m','k','m','k'), 1},
|
|
};
|
|
|
|
static OPENTYPE_FEATURE_RECORD ethiopic_features[] =
|
|
{
|
|
{ MS_MAKE_TAG('c','c','m','p'), 1},
|
|
{ MS_MAKE_TAG('l','o','c','l'), 1},
|
|
{ MS_MAKE_TAG('c','a','l','t'), 1},
|
|
{ MS_MAKE_TAG('l','i','g','a'), 1},
|
|
};
|
|
|
|
static OPENTYPE_FEATURE_RECORD mongolian_features[] =
|
|
{
|
|
{ MS_MAKE_TAG('c','c','m','p'), 1},
|
|
{ MS_MAKE_TAG('l','o','c','l'), 1},
|
|
{ MS_MAKE_TAG('c','a','l','t'), 1},
|
|
{ MS_MAKE_TAG('r','l','i','g'), 1},
|
|
};
|
|
|
|
typedef struct ScriptShapeDataTag {
|
|
TEXTRANGE_PROPERTIES defaultTextRange;
|
|
TEXTRANGE_PROPERTIES defaultGPOSTextRange;
|
|
const char *const *requiredFeatures;
|
|
OPENTYPE_TAG newOtTag;
|
|
ContextualShapingProc contextProc;
|
|
ShapeCharGlyphPropProc charGlyphPropProc;
|
|
} ScriptShapeData;
|
|
|
|
/* in order of scripts */
|
|
static const ScriptShapeData ShapingData[] =
|
|
{
|
|
{{ standard_features, 2}, {NULL, 0}, NULL, 0, NULL, NULL},
|
|
{{ latin_features, 4}, {latin_gpos_features, 3}, NULL, 0, NULL, ShapeCharGlyphProp_Latin},
|
|
{{ latin_features, 4}, {latin_gpos_features, 3}, NULL, 0, NULL, ShapeCharGlyphProp_Latin},
|
|
{{ latin_features, 4}, {latin_gpos_features, 3}, NULL, 0, NULL, ShapeCharGlyphProp_Latin},
|
|
{{ standard_features, 2}, {NULL, 0}, NULL, 0, ContextualShape_Control, ShapeCharGlyphProp_Control},
|
|
{{ latin_features, 4}, {latin_gpos_features, 3}, NULL, 0, NULL, ShapeCharGlyphProp_Latin},
|
|
{{ arabic_features, 6}, {arabic_gpos_features, 4}, required_arabic_features, 0, ContextualShape_Arabic, ShapeCharGlyphProp_Arabic},
|
|
{{ arabic_features, 6}, {arabic_gpos_features, 4}, required_arabic_features, 0, ContextualShape_Arabic, ShapeCharGlyphProp_Arabic},
|
|
{{ hebrew_features, 2}, {hebrew_gpos_features, 2}, NULL, 0, ContextualShape_Hebrew, ShapeCharGlyphProp_Hebrew},
|
|
{{ syriac_features, 4}, {syriac_gpos_features, 3}, required_syriac_features, 0, ContextualShape_Syriac, ShapeCharGlyphProp_None},
|
|
{{ arabic_features, 6}, {arabic_gpos_features, 4}, required_arabic_features, 0, ContextualShape_Arabic, ShapeCharGlyphProp_Arabic},
|
|
{{ NULL, 0}, {NULL, 0}, NULL, 0, ContextualShape_Thaana, ShapeCharGlyphProp_None},
|
|
{{ standard_features, 2}, {latin_gpos_features, 3}, NULL, 0, NULL, NULL},
|
|
{{ standard_features, 2}, {latin_gpos_features, 3}, NULL, 0, NULL, NULL},
|
|
{{ standard_features, 2}, {latin_gpos_features, 3}, NULL, 0, NULL, NULL},
|
|
{{ standard_features, 2}, {latin_gpos_features, 3}, NULL, 0, NULL, NULL},
|
|
{{ sinhala_features, 3}, {NULL, 0}, NULL, 0, ContextualShape_Sinhala, ShapeCharGlyphProp_Sinhala},
|
|
{{ tibetan_features, 2}, {tibetan_gpos_features, 2}, NULL, 0, NULL, ShapeCharGlyphProp_Tibet},
|
|
{{ tibetan_features, 2}, {tibetan_gpos_features, 2}, NULL, 0, NULL, ShapeCharGlyphProp_Tibet},
|
|
{{ phags_features, 3}, {NULL, 0}, NULL, 0, ContextualShape_Phags_pa, ShapeCharGlyphProp_Thai},
|
|
{{ thai_features, 1}, {thai_gpos_features, 3}, NULL, 0, ContextualShape_Thai, ShapeCharGlyphProp_Thai},
|
|
{{ thai_features, 1}, {thai_gpos_features, 3}, NULL, 0, ContextualShape_Thai, NULL},
|
|
{{ thai_features, 1}, {thai_gpos_features, 3}, required_lao_features, 0, ContextualShape_Lao, ShapeCharGlyphProp_Thai},
|
|
{{ thai_features, 1}, {thai_gpos_features, 3}, required_lao_features, 0, ContextualShape_Lao, ShapeCharGlyphProp_Thai},
|
|
{{ devanagari_features, 6}, {devanagari_gpos_features, 4}, required_devanagari_features, MS_MAKE_TAG('d','e','v','2'), ContextualShape_Devanagari, ShapeCharGlyphProp_Devanagari},
|
|
{{ devanagari_features, 6}, {devanagari_gpos_features, 4}, required_devanagari_features, MS_MAKE_TAG('d','e','v','2'), ContextualShape_Devanagari, NULL},
|
|
{{ devanagari_features, 6}, {devanagari_gpos_features, 4}, required_bengali_features, MS_MAKE_TAG('b','n','g','2'), ContextualShape_Bengali, ShapeCharGlyphProp_Bengali},
|
|
{{ devanagari_features, 6}, {devanagari_gpos_features, 4}, required_bengali_features, MS_MAKE_TAG('b','n','g','2'), ContextualShape_Bengali, NULL},
|
|
{{ devanagari_features, 6}, {devanagari_gpos_features, 4}, required_bengali_features, MS_MAKE_TAG('b','n','g','2'), ContextualShape_Bengali, ShapeCharGlyphProp_Bengali},
|
|
{{ devanagari_features, 6}, {devanagari_gpos_features, 4}, required_gurmukhi_features, MS_MAKE_TAG('g','u','r','2'), ContextualShape_Gurmukhi, ShapeCharGlyphProp_Gurmukhi},
|
|
{{ devanagari_features, 6}, {devanagari_gpos_features, 4}, required_gurmukhi_features, MS_MAKE_TAG('g','u','r','2'), ContextualShape_Gurmukhi, NULL},
|
|
{{ devanagari_features, 6}, {devanagari_gpos_features, 4}, required_devanagari_features, MS_MAKE_TAG('g','j','r','2'), ContextualShape_Gujarati, ShapeCharGlyphProp_Gujarati},
|
|
{{ devanagari_features, 6}, {devanagari_gpos_features, 4}, required_devanagari_features, MS_MAKE_TAG('g','j','r','2'), ContextualShape_Gujarati, NULL},
|
|
{{ devanagari_features, 6}, {devanagari_gpos_features, 4}, required_devanagari_features, MS_MAKE_TAG('g','j','r','2'), ContextualShape_Gujarati, ShapeCharGlyphProp_Gujarati},
|
|
{{ devanagari_features, 6}, {devanagari_gpos_features, 4}, required_oriya_features, MS_MAKE_TAG('o','r','y','2'), ContextualShape_Oriya, ShapeCharGlyphProp_Oriya},
|
|
{{ devanagari_features, 6}, {devanagari_gpos_features, 4}, required_oriya_features, MS_MAKE_TAG('o','r','y','2'), ContextualShape_Oriya, NULL},
|
|
{{ devanagari_features, 6}, {devanagari_gpos_features, 4}, required_tamil_features, MS_MAKE_TAG('t','a','m','2'), ContextualShape_Tamil, ShapeCharGlyphProp_Tamil},
|
|
{{ devanagari_features, 6}, {devanagari_gpos_features, 4}, required_tamil_features, MS_MAKE_TAG('t','a','m','2'), ContextualShape_Tamil, NULL},
|
|
{{ devanagari_features, 6}, {devanagari_gpos_features, 4}, required_telugu_features, MS_MAKE_TAG('t','e','l','2'), ContextualShape_Telugu, ShapeCharGlyphProp_Telugu},
|
|
{{ devanagari_features, 6}, {devanagari_gpos_features, 4}, required_telugu_features, MS_MAKE_TAG('t','e','l','2'), ContextualShape_Telugu, NULL},
|
|
{{ devanagari_features, 6}, {devanagari_gpos_features, 4}, required_telugu_features, MS_MAKE_TAG('k','n','d','2'), ContextualShape_Kannada, ShapeCharGlyphProp_Kannada},
|
|
{{ devanagari_features, 6}, {devanagari_gpos_features, 4}, required_telugu_features, MS_MAKE_TAG('k','n','d','2'), ContextualShape_Kannada, NULL},
|
|
{{ devanagari_features, 6}, {devanagari_gpos_features, 4}, required_telugu_features, MS_MAKE_TAG('m','l','m','2'), ContextualShape_Malayalam, ShapeCharGlyphProp_Malayalam},
|
|
{{ devanagari_features, 6}, {devanagari_gpos_features, 4}, required_telugu_features, MS_MAKE_TAG('m','l','m','2'), ContextualShape_Malayalam, NULL},
|
|
{{ standard_features, 2}, {NULL, 0}, NULL, 0, NULL, NULL},
|
|
{{ latin_features, 4}, {latin_gpos_features, 3}, NULL, 0, NULL, ShapeCharGlyphProp_Latin},
|
|
{{ standard_features, 2}, {NULL, 0}, NULL, 0, NULL, NULL},
|
|
{{ myanmar_features, 2}, {NULL, 0}, NULL, 0, NULL, NULL},
|
|
{{ myanmar_features, 2}, {NULL, 0}, NULL, 0, NULL, NULL},
|
|
{{ standard_features, 2}, {NULL, 0}, NULL, 0, NULL, NULL},
|
|
{{ standard_features, 2}, {NULL, 0}, NULL, 0, NULL, NULL},
|
|
{{ standard_features, 2}, {NULL, 0}, NULL, 0, NULL, NULL},
|
|
{{ khmer_features, 5}, {khmer_gpos_features, 4}, required_khmer_features, 0, ContextualShape_Khmer, ShapeCharGlyphProp_Khmer},
|
|
{{ khmer_features, 5}, {khmer_gpos_features, 4}, required_khmer_features, 0, ContextualShape_Khmer, ShapeCharGlyphProp_Khmer},
|
|
{{ NULL, 0}, {NULL, 0}, NULL, 0, NULL, NULL},
|
|
{{ NULL, 0}, {NULL, 0}, NULL, 0, NULL, NULL},
|
|
{{ NULL, 0}, {NULL, 0}, NULL, 0, NULL, NULL},
|
|
{{ NULL, 0}, {NULL, 0}, NULL, 0, NULL, NULL},
|
|
{{ NULL, 0}, {NULL, 0}, NULL, 0, NULL, NULL},
|
|
{{ NULL, 0}, {NULL, 0}, NULL, 0, NULL, NULL},
|
|
{{ ethiopic_features, 4}, {NULL, 0}, NULL, 0, NULL, NULL},
|
|
{{ ethiopic_features, 4}, {NULL, 0}, NULL, 0, NULL, NULL},
|
|
{{ mongolian_features, 4}, {NULL, 0}, NULL, 0, ContextualShape_Mongolian, NULL},
|
|
{{ mongolian_features, 4}, {NULL, 0}, NULL, 0, ContextualShape_Mongolian, NULL},
|
|
{{ NULL, 0}, {NULL, 0}, NULL, 0, NULL, NULL},
|
|
{{ NULL, 0}, {NULL, 0}, NULL, 0, NULL, NULL},
|
|
{{ NULL, 0}, {NULL, 0}, NULL, 0, NULL, NULL},
|
|
{{ NULL, 0}, {NULL, 0}, NULL, 0, NULL, NULL},
|
|
{{ NULL, 0}, {NULL, 0}, NULL, 0, NULL, NULL},
|
|
{{ NULL, 0}, {NULL, 0}, NULL, 0, NULL, NULL},
|
|
{{ NULL, 0}, {NULL, 0}, NULL, 0, NULL, NULL},
|
|
{{ NULL, 0}, {NULL, 0}, NULL, 0, NULL, NULL},
|
|
{{ NULL, 0}, {NULL, 0}, NULL, 0, NULL, NULL},
|
|
{{ NULL, 0}, {NULL, 0}, NULL, 0, NULL, NULL},
|
|
{{ NULL, 0}, {NULL, 0}, NULL, 0, NULL, NULL},
|
|
{{ NULL, 0}, {NULL, 0}, NULL, 0, NULL, NULL},
|
|
{{ NULL, 0}, {NULL, 0}, NULL, 0, NULL, NULL},
|
|
{{ NULL, 0}, {NULL, 0}, NULL, 0, NULL, NULL},
|
|
{{ NULL, 0}, {NULL, 0}, NULL, 0, NULL, NULL},
|
|
{{ hebrew_features, 2}, {hebrew_gpos_features, 2}, NULL, 0, ContextualShape_Hebrew, NULL},
|
|
{{ latin_features, 4}, {latin_gpos_features, 3}, NULL, 0, NULL, ShapeCharGlyphProp_Latin},
|
|
{{ thai_features, 1}, {thai_gpos_features, 3}, NULL, 0, ContextualShape_Thai, ShapeCharGlyphProp_Thai},
|
|
};
|
|
|
|
extern scriptData scriptInformation[];
|
|
|
|
static int GSUB_apply_feature_all_lookups(const void *header, LoadedFeature *feature,
|
|
WORD *glyphs, unsigned int glyph_index, int write_dir, int *glyph_count)
|
|
{
|
|
int i;
|
|
int out_index = GSUB_E_NOGLYPH;
|
|
|
|
TRACE("%i lookups\n", feature->lookup_count);
|
|
for (i = 0; i < feature->lookup_count; i++)
|
|
{
|
|
out_index = OpenType_apply_GSUB_lookup(header, feature->lookups[i], glyphs, glyph_index, write_dir, glyph_count);
|
|
if (out_index != GSUB_E_NOGLYPH)
|
|
break;
|
|
}
|
|
if (out_index == GSUB_E_NOGLYPH)
|
|
TRACE("lookups found no glyphs\n");
|
|
else
|
|
{
|
|
int out2;
|
|
out2 = GSUB_apply_feature_all_lookups(header, feature, glyphs, glyph_index, write_dir, glyph_count);
|
|
if (out2!=GSUB_E_NOGLYPH)
|
|
out_index = out2;
|
|
}
|
|
return out_index;
|
|
}
|
|
|
|
static OPENTYPE_TAG get_opentype_script(HDC hdc, const SCRIPT_ANALYSIS *psa,
|
|
const ScriptCache *script_cache, BOOL try_new)
|
|
{
|
|
UINT charset;
|
|
|
|
if (script_cache->userScript)
|
|
{
|
|
if (try_new && ShapingData[psa->eScript].newOtTag
|
|
&& script_cache->userScript == scriptInformation[psa->eScript].scriptTag)
|
|
return ShapingData[psa->eScript].newOtTag;
|
|
|
|
return script_cache->userScript;
|
|
}
|
|
|
|
if (try_new && ShapingData[psa->eScript].newOtTag)
|
|
return ShapingData[psa->eScript].newOtTag;
|
|
|
|
if (scriptInformation[psa->eScript].scriptTag)
|
|
return scriptInformation[psa->eScript].scriptTag;
|
|
|
|
/*
|
|
* fall back to the font charset
|
|
*/
|
|
charset = GetTextCharsetInfo(hdc, NULL, 0x0);
|
|
switch (charset)
|
|
{
|
|
case ANSI_CHARSET:
|
|
case BALTIC_CHARSET: return MS_MAKE_TAG('l','a','t','n');
|
|
case CHINESEBIG5_CHARSET: return MS_MAKE_TAG('h','a','n','i');
|
|
case EASTEUROPE_CHARSET: return MS_MAKE_TAG('l','a','t','n'); /* ?? */
|
|
case GB2312_CHARSET: return MS_MAKE_TAG('h','a','n','i');
|
|
case GREEK_CHARSET: return MS_MAKE_TAG('g','r','e','k');
|
|
case HANGUL_CHARSET: return MS_MAKE_TAG('h','a','n','g');
|
|
case RUSSIAN_CHARSET: return MS_MAKE_TAG('c','y','r','l');
|
|
case SHIFTJIS_CHARSET: return MS_MAKE_TAG('k','a','n','a');
|
|
case TURKISH_CHARSET: return MS_MAKE_TAG('l','a','t','n'); /* ?? */
|
|
case VIETNAMESE_CHARSET: return MS_MAKE_TAG('l','a','t','n');
|
|
case JOHAB_CHARSET: return MS_MAKE_TAG('l','a','t','n'); /* ?? */
|
|
case ARABIC_CHARSET: return MS_MAKE_TAG('a','r','a','b');
|
|
case HEBREW_CHARSET: return MS_MAKE_TAG('h','e','b','r');
|
|
case THAI_CHARSET: return MS_MAKE_TAG('t','h','a','i');
|
|
default: return MS_MAKE_TAG('l','a','t','n');
|
|
}
|
|
}
|
|
|
|
static LoadedFeature* load_OT_feature(HDC hdc, SCRIPT_ANALYSIS *psa, ScriptCache *psc, char tableType, const char* feat)
|
|
{
|
|
LoadedFeature *feature = NULL;
|
|
|
|
if (psc->GSUB_Table || psc->GPOS_Table)
|
|
{
|
|
int attempt = 2;
|
|
OPENTYPE_TAG tags;
|
|
OPENTYPE_TAG language;
|
|
OPENTYPE_TAG script = 0x00000000;
|
|
int cTags;
|
|
|
|
do
|
|
{
|
|
script = get_opentype_script(hdc,psa,psc,(attempt==2));
|
|
if (psc->userLang != 0)
|
|
language = psc->userLang;
|
|
else
|
|
language = MS_MAKE_TAG('d','f','l','t');
|
|
attempt--;
|
|
|
|
OpenType_GetFontFeatureTags(psc, script, language, FALSE, MS_MAKE_TAG(feat[0],feat[1],feat[2],feat[3]), tableType, 1, &tags, &cTags, &feature);
|
|
|
|
} while(attempt && !feature);
|
|
|
|
/* try in the default (latin) table */
|
|
if (!feature)
|
|
{
|
|
if (!script)
|
|
script = MS_MAKE_TAG('l','a','t','n');
|
|
OpenType_GetFontFeatureTags(psc, script, MS_MAKE_TAG('d','f','l','t'), FALSE, MS_MAKE_TAG(feat[0],feat[1],feat[2],feat[3]), tableType, 1, &tags, &cTags, &feature);
|
|
}
|
|
}
|
|
|
|
TRACE("Feature %s located at %p\n",debugstr_an(feat,4),feature);
|
|
return feature;
|
|
}
|
|
|
|
static INT apply_GSUB_feature_to_glyph(HDC hdc, SCRIPT_ANALYSIS *psa, ScriptCache* psc, WORD *glyphs, INT index, INT write_dir, INT* glyph_count, const char* feat)
|
|
{
|
|
LoadedFeature *feature;
|
|
|
|
feature = load_OT_feature(hdc, psa, psc, FEATURE_GSUB_TABLE, feat);
|
|
if (!feature)
|
|
return GSUB_E_NOFEATURE;
|
|
|
|
TRACE("applying feature %s\n",feat);
|
|
return GSUB_apply_feature_all_lookups(psc->GSUB_Table, feature, glyphs, index, write_dir, glyph_count);
|
|
}
|
|
|
|
static VOID *load_gsub_table(HDC hdc)
|
|
{
|
|
VOID* GSUB_Table = NULL;
|
|
int length = GetFontData(hdc, MS_MAKE_TAG('G', 'S', 'U', 'B'), 0, NULL, 0);
|
|
if (length != GDI_ERROR)
|
|
{
|
|
GSUB_Table = heap_alloc(length);
|
|
GetFontData(hdc, MS_MAKE_TAG('G', 'S', 'U', 'B'), 0, GSUB_Table, length);
|
|
TRACE("Loaded GSUB table of %i bytes\n",length);
|
|
}
|
|
return GSUB_Table;
|
|
}
|
|
|
|
static VOID *load_gpos_table(HDC hdc)
|
|
{
|
|
VOID* GPOS_Table = NULL;
|
|
int length = GetFontData(hdc, MS_MAKE_TAG('G', 'P', 'O', 'S'), 0, NULL, 0);
|
|
if (length != GDI_ERROR)
|
|
{
|
|
GPOS_Table = heap_alloc(length);
|
|
GetFontData(hdc, MS_MAKE_TAG('G', 'P', 'O', 'S'), 0, GPOS_Table, length);
|
|
TRACE("Loaded GPOS table of %i bytes\n",length);
|
|
}
|
|
return GPOS_Table;
|
|
}
|
|
|
|
static VOID *load_gdef_table(HDC hdc)
|
|
{
|
|
VOID* GDEF_Table = NULL;
|
|
int length = GetFontData(hdc, MS_MAKE_TAG('G', 'D', 'E', 'F'), 0, NULL, 0);
|
|
if (length != GDI_ERROR)
|
|
{
|
|
GDEF_Table = heap_alloc(length);
|
|
GetFontData(hdc, MS_MAKE_TAG('G', 'D', 'E', 'F'), 0, GDEF_Table, length);
|
|
TRACE("Loaded GDEF table of %i bytes\n",length);
|
|
}
|
|
return GDEF_Table;
|
|
}
|
|
|
|
static VOID load_ot_tables(HDC hdc, ScriptCache *psc)
|
|
{
|
|
if (!psc->GSUB_Table)
|
|
psc->GSUB_Table = load_gsub_table(hdc);
|
|
if (!psc->GPOS_Table)
|
|
psc->GPOS_Table = load_gpos_table(hdc);
|
|
if (!psc->GDEF_Table)
|
|
psc->GDEF_Table = load_gdef_table(hdc);
|
|
}
|
|
|
|
int SHAPE_does_GSUB_feature_apply_to_chars(HDC hdc, SCRIPT_ANALYSIS *psa, ScriptCache *psc,
|
|
const WCHAR *chars, int write_dir, int count, const char *feature)
|
|
{
|
|
WORD *glyphs;
|
|
INT glyph_count = count;
|
|
INT rc;
|
|
|
|
glyphs = heap_calloc(count, 2 * sizeof(*glyphs));
|
|
GetGlyphIndicesW(hdc, chars, count, glyphs, 0);
|
|
rc = apply_GSUB_feature_to_glyph(hdc, psa, psc, glyphs, 0, write_dir, &glyph_count, feature);
|
|
if (rc > GSUB_E_NOGLYPH)
|
|
rc = count - glyph_count;
|
|
else
|
|
rc = 0;
|
|
|
|
heap_free(glyphs);
|
|
return rc;
|
|
}
|
|
|
|
static void UpdateClustersFromGlyphProp(const int cGlyphs, const int cChars, WORD* pwLogClust, SCRIPT_GLYPHPROP *pGlyphProp)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < cGlyphs; i++)
|
|
{
|
|
if (!pGlyphProp[i].sva.fClusterStart)
|
|
{
|
|
int j;
|
|
for (j = 0; j < cChars; j++)
|
|
{
|
|
if (pwLogClust[j] == i)
|
|
{
|
|
int k = j;
|
|
while (k >= 0 && k <cChars && !pGlyphProp[pwLogClust[k]].sva.fClusterStart)
|
|
k-=1;
|
|
if (k >= 0 && k <cChars && pGlyphProp[pwLogClust[k]].sva.fClusterStart)
|
|
pwLogClust[j] = pwLogClust[k];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void UpdateClusters(int nextIndex, int changeCount, int write_dir, int chars, WORD* pwLogClust )
|
|
{
|
|
if (changeCount == 0)
|
|
return;
|
|
else
|
|
{
|
|
int cluster_dir = pwLogClust[0] < pwLogClust[chars-1] ? 1 : -1;
|
|
int i;
|
|
int target_glyph = nextIndex - write_dir;
|
|
int target_index = -1;
|
|
int replacing_glyph = -1;
|
|
int changed = 0;
|
|
|
|
if (changeCount > 0)
|
|
{
|
|
if (write_dir > 0)
|
|
target_glyph = nextIndex - changeCount;
|
|
else
|
|
target_glyph = nextIndex + (changeCount + 1);
|
|
}
|
|
|
|
target_index = USP10_FindGlyphInLogClust(pwLogClust, chars, target_glyph);
|
|
if (target_index == -1)
|
|
{
|
|
ERR("Unable to find target glyph\n");
|
|
return;
|
|
}
|
|
|
|
if (changeCount < 0)
|
|
{
|
|
/* merge glyphs */
|
|
for (i = target_index; i < chars && i >= 0; i += cluster_dir)
|
|
{
|
|
if (pwLogClust[i] == target_glyph)
|
|
continue;
|
|
if(pwLogClust[i] == replacing_glyph)
|
|
pwLogClust[i] = target_glyph;
|
|
else
|
|
{
|
|
changed--;
|
|
if (changed >= changeCount)
|
|
{
|
|
replacing_glyph = pwLogClust[i];
|
|
pwLogClust[i] = target_glyph;
|
|
}
|
|
else
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* renumber trailing indices */
|
|
for (i = target_index; i < chars && i >= 0; i += cluster_dir)
|
|
{
|
|
if (pwLogClust[i] != target_glyph)
|
|
pwLogClust[i] += changeCount;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for (i = target_index; i < chars && i >= 0; i += cluster_dir)
|
|
pwLogClust[i] += changeCount;
|
|
}
|
|
}
|
|
}
|
|
|
|
static int apply_GSUB_feature(HDC hdc, SCRIPT_ANALYSIS *psa, ScriptCache* psc, WORD *pwOutGlyphs, int write_dir, INT* pcGlyphs, INT cChars, const char* feat, WORD *pwLogClust )
|
|
{
|
|
if (psc->GSUB_Table)
|
|
{
|
|
LoadedFeature *feature;
|
|
int lookup_index;
|
|
|
|
feature = load_OT_feature(hdc, psa, psc, FEATURE_GSUB_TABLE, feat);
|
|
if (!feature)
|
|
return GSUB_E_NOFEATURE;
|
|
|
|
TRACE("applying feature %s: %i lookups\n",debugstr_an(feat,4),feature->lookup_count);
|
|
for (lookup_index = 0; lookup_index < feature->lookup_count; lookup_index++)
|
|
{
|
|
int i;
|
|
|
|
if (write_dir > 0)
|
|
i = 0;
|
|
else
|
|
i = *pcGlyphs-1;
|
|
TRACE("applying lookup (%i/%i)\n",lookup_index,feature->lookup_count);
|
|
while(i < *pcGlyphs && i >= 0)
|
|
{
|
|
INT nextIndex;
|
|
INT prevCount = *pcGlyphs;
|
|
|
|
nextIndex = OpenType_apply_GSUB_lookup(psc->GSUB_Table, feature->lookups[lookup_index], pwOutGlyphs, i, write_dir, pcGlyphs);
|
|
if (*pcGlyphs != prevCount)
|
|
{
|
|
UpdateClusters(nextIndex, *pcGlyphs - prevCount, write_dir, cChars, pwLogClust);
|
|
i = nextIndex;
|
|
}
|
|
else
|
|
i+=write_dir;
|
|
}
|
|
}
|
|
return *pcGlyphs;
|
|
}
|
|
return GSUB_E_NOFEATURE;
|
|
}
|
|
|
|
static void GPOS_apply_feature(const ScriptCache *psc, const OUTLINETEXTMETRICW *otm,
|
|
const LOGFONTW *logfont, const SCRIPT_ANALYSIS *analysis, int *advance,
|
|
const LoadedFeature *feature, const WORD *glyphs, int glyph_count, GOFFSET *goffset)
|
|
{
|
|
int dir = analysis->fLogicalOrder && analysis->fRTL ? -1 : 1;
|
|
unsigned int start_idx, i, j;
|
|
|
|
TRACE("%i lookups\n", feature->lookup_count);
|
|
|
|
start_idx = dir < 0 ? glyph_count - 1 : 0;
|
|
for (i = 0; i < feature->lookup_count; i++)
|
|
{
|
|
for (j = 0; j < glyph_count; )
|
|
j += OpenType_apply_GPOS_lookup(psc, otm, logfont, analysis, advance,
|
|
feature->lookups[i], glyphs, start_idx + dir * j, glyph_count, goffset);
|
|
}
|
|
}
|
|
|
|
static inline BOOL get_GSUB_Indic2(SCRIPT_ANALYSIS *psa, ScriptCache *psc)
|
|
{
|
|
OPENTYPE_TAG tag;
|
|
HRESULT hr;
|
|
int count = 0;
|
|
|
|
hr = OpenType_GetFontScriptTags(psc, ShapingData[psa->eScript].newOtTag, 1, &tag, &count);
|
|
|
|
return(SUCCEEDED(hr));
|
|
}
|
|
|
|
static void insert_glyph(WORD *pwGlyphs, INT *pcGlyphs, INT cChars, INT write_dir, WORD glyph, INT index, WORD *pwLogClust)
|
|
{
|
|
int i;
|
|
for (i = *pcGlyphs; i>=index; i--)
|
|
pwGlyphs[i+1] = pwGlyphs[i];
|
|
pwGlyphs[index] = glyph;
|
|
*pcGlyphs = *pcGlyphs+1;
|
|
if (write_dir < 0)
|
|
UpdateClusters(index-3, 1, write_dir, cChars, pwLogClust);
|
|
else
|
|
UpdateClusters(index, 1, write_dir, cChars, pwLogClust);
|
|
}
|
|
|
|
static void mark_invalid_combinations(HDC hdc, const WCHAR* pwcChars, INT cChars, WORD *pwGlyphs, INT *pcGlyphs, INT write_dir, WORD *pwLogClust, combining_lexical_function lex)
|
|
{
|
|
CHAR *context_type;
|
|
int i,g;
|
|
WCHAR invalid = 0x25cc;
|
|
WORD invalid_glyph;
|
|
|
|
context_type = heap_alloc(cChars);
|
|
|
|
/* Mark invalid combinations */
|
|
for (i = 0; i < cChars; i++)
|
|
context_type[i] = lex(pwcChars[i]);
|
|
|
|
GetGlyphIndicesW(hdc, &invalid, 1, &invalid_glyph, 0);
|
|
for (i = 1, g=1; i < cChars - 1; i++, g++)
|
|
{
|
|
if (context_type[i] != 0 && context_type[i+write_dir]==context_type[i])
|
|
{
|
|
insert_glyph(pwGlyphs, pcGlyphs, cChars, write_dir, invalid_glyph, g, pwLogClust);
|
|
g++;
|
|
}
|
|
}
|
|
|
|
heap_free(context_type);
|
|
}
|
|
|
|
static void ContextualShape_Control(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust)
|
|
{
|
|
int i;
|
|
for (i=0; i < cChars; i++)
|
|
{
|
|
switch (pwcChars[i])
|
|
{
|
|
case 0x000A:
|
|
case 0x000D:
|
|
pwOutGlyphs[i] = psc->sfp.wgBlank;
|
|
break;
|
|
default:
|
|
if (pwcChars[i] < 0x1C)
|
|
pwOutGlyphs[i] = psc->sfp.wgDefault;
|
|
else
|
|
pwOutGlyphs[i] = psc->sfp.wgBlank;
|
|
}
|
|
}
|
|
}
|
|
|
|
static WCHAR neighbour_char(int i, int delta, const WCHAR* chars, INT cchLen)
|
|
{
|
|
if (i + delta < 0)
|
|
return 0;
|
|
if ( i+ delta >= cchLen)
|
|
return 0;
|
|
|
|
i += delta;
|
|
|
|
return chars[i];
|
|
}
|
|
|
|
static CHAR neighbour_joining_type(int i, int delta, const CHAR* context_type, INT cchLen, SCRIPT_ANALYSIS *psa)
|
|
{
|
|
if (i + delta < 0)
|
|
{
|
|
if (psa->fLinkBefore)
|
|
return jtR;
|
|
else
|
|
return jtU;
|
|
}
|
|
if ( i+ delta >= cchLen)
|
|
{
|
|
if (psa->fLinkAfter)
|
|
return jtL;
|
|
else
|
|
return jtU;
|
|
}
|
|
|
|
i += delta;
|
|
|
|
if (context_type[i] == jtT)
|
|
return neighbour_joining_type(i,delta,context_type,cchLen,psa);
|
|
else
|
|
return context_type[i];
|
|
}
|
|
|
|
static inline BOOL right_join_causing(CHAR joining_type)
|
|
{
|
|
return (joining_type == jtL || joining_type == jtD || joining_type == jtC);
|
|
}
|
|
|
|
static inline BOOL left_join_causing(CHAR joining_type)
|
|
{
|
|
return (joining_type == jtR || joining_type == jtD || joining_type == jtC);
|
|
}
|
|
|
|
static inline BOOL word_break_causing(WCHAR chr)
|
|
{
|
|
/* we are working within a string of characters already guaranteed to
|
|
be within one script, Syriac, so we do not worry about any character
|
|
other than the space character outside of that range */
|
|
return (chr == 0 || chr == 0x20 );
|
|
}
|
|
|
|
static int combining_lexical_Arabic(WCHAR c)
|
|
{
|
|
enum {Arab_Norm = 0, Arab_DIAC1, Arab_DIAC2, Arab_DIAC3, Arab_DIAC4, Arab_DIAC5, Arab_DIAC6, Arab_DIAC7, Arab_DIAC8};
|
|
|
|
switch(c)
|
|
{
|
|
case 0x064B:
|
|
case 0x064C:
|
|
case 0x064E:
|
|
case 0x064F:
|
|
case 0x0652:
|
|
case 0x0657:
|
|
case 0x0658:
|
|
case 0x06E1: return Arab_DIAC1;
|
|
case 0x064D:
|
|
case 0x0650:
|
|
case 0x0656: return Arab_DIAC2;
|
|
case 0x0651: return Arab_DIAC3;
|
|
case 0x0610:
|
|
case 0x0611:
|
|
case 0x0612:
|
|
case 0x0613:
|
|
case 0x0614:
|
|
case 0x0659:
|
|
case 0x06D6:
|
|
case 0x06DC:
|
|
case 0x06DF:
|
|
case 0x06E0:
|
|
case 0x06E2:
|
|
case 0x06E4:
|
|
case 0x06E7:
|
|
case 0x06E8:
|
|
case 0x06EB:
|
|
case 0x06EC: return Arab_DIAC4;
|
|
case 0x06E3:
|
|
case 0x06EA:
|
|
case 0x06ED: return Arab_DIAC5;
|
|
case 0x0670: return Arab_DIAC6;
|
|
case 0x0653: return Arab_DIAC7;
|
|
case 0x0655:
|
|
case 0x0654: return Arab_DIAC8;
|
|
default: return Arab_Norm;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* ContextualShape_Arabic
|
|
*/
|
|
static void ContextualShape_Arabic(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust)
|
|
{
|
|
CHAR *context_type;
|
|
INT *context_shape;
|
|
INT dirR, dirL;
|
|
int i;
|
|
int char_index;
|
|
int glyph_index;
|
|
|
|
if (*pcGlyphs != cChars)
|
|
{
|
|
ERR("Number of Glyphs and Chars need to match at the beginning\n");
|
|
return;
|
|
}
|
|
|
|
if (psa->fLogicalOrder && psa->fRTL)
|
|
{
|
|
dirR = -1;
|
|
dirL = 1;
|
|
}
|
|
else
|
|
{
|
|
dirR = 1;
|
|
dirL = -1;
|
|
}
|
|
|
|
load_ot_tables(hdc, psc);
|
|
|
|
context_type = heap_alloc(cChars);
|
|
context_shape = heap_alloc(cChars * sizeof(*context_shape));
|
|
|
|
for (i = 0; i < cChars; i++)
|
|
context_type[i] = get_table_entry( wine_shaping_table, pwcChars[i] );
|
|
|
|
for (i = 0; i < cChars; i++)
|
|
{
|
|
if (context_type[i] == jtR && right_join_causing(neighbour_joining_type(i,dirR,context_type,cChars,psa)))
|
|
context_shape[i] = Xr;
|
|
else if (context_type[i] == jtL && left_join_causing(neighbour_joining_type(i,dirL,context_type,cChars,psa)))
|
|
context_shape[i] = Xl;
|
|
else if (context_type[i] == jtD && left_join_causing(neighbour_joining_type(i,dirL,context_type,cChars,psa)) && right_join_causing(neighbour_joining_type(i,dirR,context_type,cChars,psa)))
|
|
context_shape[i] = Xm;
|
|
else if (context_type[i] == jtD && right_join_causing(neighbour_joining_type(i,dirR,context_type,cChars,psa)))
|
|
context_shape[i] = Xr;
|
|
else if (context_type[i] == jtD && left_join_causing(neighbour_joining_type(i,dirL,context_type,cChars,psa)))
|
|
context_shape[i] = Xl;
|
|
else
|
|
context_shape[i] = Xn;
|
|
}
|
|
|
|
/* Contextual Shaping */
|
|
if (dirL > 0)
|
|
char_index = glyph_index = 0;
|
|
else
|
|
char_index = glyph_index = cChars-1;
|
|
|
|
while(char_index < cChars && char_index >= 0)
|
|
{
|
|
BOOL shaped = FALSE;
|
|
|
|
if (psc->GSUB_Table)
|
|
{
|
|
INT nextIndex, offset = 0;
|
|
INT prevCount = *pcGlyphs;
|
|
|
|
/* Apply CCMP first */
|
|
apply_GSUB_feature_to_glyph(hdc, psa, psc, pwOutGlyphs, glyph_index, dirL, pcGlyphs, "ccmp");
|
|
|
|
if (prevCount != *pcGlyphs)
|
|
{
|
|
offset = *pcGlyphs - prevCount;
|
|
if (dirL < 0)
|
|
glyph_index -= offset * dirL;
|
|
}
|
|
|
|
/* Apply the contextual feature */
|
|
nextIndex = apply_GSUB_feature_to_glyph(hdc, psa, psc, pwOutGlyphs, glyph_index, dirL, pcGlyphs, contextual_features[context_shape[char_index]]);
|
|
|
|
if (nextIndex > GSUB_E_NOGLYPH)
|
|
{
|
|
UpdateClusters(glyph_index, *pcGlyphs - prevCount, dirL, cChars, pwLogClust);
|
|
char_index += dirL;
|
|
if (!offset)
|
|
glyph_index = nextIndex;
|
|
else
|
|
{
|
|
offset = *pcGlyphs - prevCount;
|
|
glyph_index += dirL * (offset + 1);
|
|
}
|
|
shaped = TRUE;
|
|
}
|
|
else if (nextIndex == GSUB_E_NOGLYPH)
|
|
{
|
|
char_index += dirL;
|
|
glyph_index += dirL;
|
|
shaped = TRUE;
|
|
}
|
|
}
|
|
|
|
if (!shaped)
|
|
{
|
|
if (context_shape[char_index] == Xn)
|
|
{
|
|
WORD newGlyph = pwOutGlyphs[glyph_index];
|
|
if (pwcChars[char_index] >= FIRST_ARABIC_CHAR && pwcChars[char_index] <= LAST_ARABIC_CHAR)
|
|
{
|
|
/* fall back to presentation form B */
|
|
WCHAR context_char = wine_shaping_forms[pwcChars[char_index] - FIRST_ARABIC_CHAR][context_shape[char_index]];
|
|
if (context_char != pwcChars[char_index] && GetGlyphIndicesW(hdc, &context_char, 1, &newGlyph, 0) != GDI_ERROR && newGlyph != 0x0000)
|
|
pwOutGlyphs[glyph_index] = newGlyph;
|
|
}
|
|
}
|
|
char_index += dirL;
|
|
glyph_index += dirL;
|
|
}
|
|
}
|
|
|
|
heap_free(context_shape);
|
|
heap_free(context_type);
|
|
|
|
mark_invalid_combinations(hdc, pwcChars, cChars, pwOutGlyphs, pcGlyphs, dirL, pwLogClust, combining_lexical_Arabic);
|
|
}
|
|
|
|
static int combining_lexical_Hebrew(WCHAR c)
|
|
{
|
|
enum {Hebr_Norm=0, Hebr_DIAC, Hebr_CANT1, Hebr_CANT2, Hebr_CANT3, Hebr_CANT4, Hebr_CANT5, Hebr_CANT6, Hebr_CANT7, Hebr_CANT8, Hebr_CANT9, Hebr_CANT10, Hebr_DAGESH, Hebr_DOTABV, Hebr_HOLAM, Hebr_METEG, Hebr_PATAH, Hebr_QAMATS, Hebr_RAFE, Hebr_SHINSIN};
|
|
|
|
switch(c)
|
|
{
|
|
case 0x05B0:
|
|
case 0x05B1:
|
|
case 0x05B2:
|
|
case 0x05B3:
|
|
case 0x05B4:
|
|
case 0x05B5:
|
|
case 0x05B6:
|
|
case 0x05BB: return Hebr_DIAC;
|
|
case 0x0599:
|
|
case 0x05A1:
|
|
case 0x05A9:
|
|
case 0x05AE: return Hebr_CANT1;
|
|
case 0x0597:
|
|
case 0x05A8:
|
|
case 0x05AC: return Hebr_CANT2;
|
|
case 0x0592:
|
|
case 0x0593:
|
|
case 0x0594:
|
|
case 0x0595:
|
|
case 0x05A7:
|
|
case 0x05AB: return Hebr_CANT3;
|
|
case 0x0598:
|
|
case 0x059C:
|
|
case 0x059E:
|
|
case 0x059F: return Hebr_CANT4;
|
|
case 0x059D:
|
|
case 0x05A0: return Hebr_CANT5;
|
|
case 0x059B:
|
|
case 0x05A5: return Hebr_CANT6;
|
|
case 0x0591:
|
|
case 0x05A3:
|
|
case 0x05A6: return Hebr_CANT7;
|
|
case 0x0596:
|
|
case 0x05A4:
|
|
case 0x05AA: return Hebr_CANT8;
|
|
case 0x059A:
|
|
case 0x05AD: return Hebr_CANT9;
|
|
case 0x05AF: return Hebr_CANT10;
|
|
case 0x05BC: return Hebr_DAGESH;
|
|
case 0x05C4: return Hebr_DOTABV;
|
|
case 0x05B9: return Hebr_HOLAM;
|
|
case 0x05BD: return Hebr_METEG;
|
|
case 0x05B7: return Hebr_PATAH;
|
|
case 0x05B8: return Hebr_QAMATS;
|
|
case 0x05BF: return Hebr_RAFE;
|
|
case 0x05C1:
|
|
case 0x05C2: return Hebr_SHINSIN;
|
|
default: return Hebr_Norm;
|
|
}
|
|
}
|
|
|
|
static void ContextualShape_Hebrew(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust)
|
|
{
|
|
INT dirL;
|
|
|
|
if (*pcGlyphs != cChars)
|
|
{
|
|
ERR("Number of Glyphs and Chars need to match at the beginning\n");
|
|
return;
|
|
}
|
|
|
|
if (!psa->fLogicalOrder && psa->fRTL)
|
|
dirL = -1;
|
|
else
|
|
dirL = 1;
|
|
|
|
mark_invalid_combinations(hdc, pwcChars, cChars, pwOutGlyphs, pcGlyphs, dirL, pwLogClust, combining_lexical_Hebrew);
|
|
}
|
|
|
|
/*
|
|
* ContextualShape_Syriac
|
|
*/
|
|
|
|
static int combining_lexical_Syriac(WCHAR c)
|
|
{
|
|
enum {Syriac_Norm=0, Syriac_DIAC1, Syriac_DIAC2, Syriac_DIAC3, Syriac_DIAC4, Syriac_DIAC5, Syriac_DIAC6, Syriac_DIAC7, Syriac_DIAC8, Syriac_DIAC9, Syriac_DIAC10, Syriac_DIAC11, Syriac_DIAC12, Syriac_DIAC13, Syriac_DIAC14, Syriac_DIAC15, Syriac_DIAC16, Syriac_DIAC17};
|
|
|
|
switch(c)
|
|
{
|
|
case 0x730:
|
|
case 0x733:
|
|
case 0x736:
|
|
case 0x73A:
|
|
case 0x73D: return Syriac_DIAC1;
|
|
case 0x731:
|
|
case 0x734:
|
|
case 0x737:
|
|
case 0x73B:
|
|
case 0x73E: return Syriac_DIAC2;
|
|
case 0x740:
|
|
case 0x749:
|
|
case 0x74A: return Syriac_DIAC3;
|
|
case 0x732:
|
|
case 0x735:
|
|
case 0x73F: return Syriac_DIAC4;
|
|
case 0x738:
|
|
case 0x739:
|
|
case 0x73C: return Syriac_DIAC5;
|
|
case 0x741:
|
|
case 0x30A: return Syriac_DIAC6;
|
|
case 0x742:
|
|
case 0x325: return Syriac_DIAC7;
|
|
case 0x747:
|
|
case 0x303: return Syriac_DIAC8;
|
|
case 0x748:
|
|
case 0x32D:
|
|
case 0x32E:
|
|
case 0x330:
|
|
case 0x331: return Syriac_DIAC9;
|
|
case 0x308: return Syriac_DIAC10;
|
|
case 0x304: return Syriac_DIAC11;
|
|
case 0x307: return Syriac_DIAC12;
|
|
case 0x323: return Syriac_DIAC13;
|
|
case 0x743: return Syriac_DIAC14;
|
|
case 0x744: return Syriac_DIAC15;
|
|
case 0x745: return Syriac_DIAC16;
|
|
case 0x746: return Syriac_DIAC17;
|
|
default: return Syriac_Norm;
|
|
}
|
|
}
|
|
|
|
#define ALAPH 0x710
|
|
#define DALATH 0x715
|
|
#define RISH 0x72A
|
|
|
|
static void ContextualShape_Syriac(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust)
|
|
{
|
|
CHAR *context_type;
|
|
INT *context_shape;
|
|
INT dirR, dirL;
|
|
int i;
|
|
int char_index;
|
|
int glyph_index;
|
|
|
|
if (*pcGlyphs != cChars)
|
|
{
|
|
ERR("Number of Glyphs and Chars need to match at the beginning\n");
|
|
return;
|
|
}
|
|
|
|
if (!psa->fLogicalOrder && psa->fRTL)
|
|
{
|
|
dirR = 1;
|
|
dirL = -1;
|
|
}
|
|
else
|
|
{
|
|
dirR = -1;
|
|
dirL = 1;
|
|
}
|
|
|
|
load_ot_tables(hdc, psc);
|
|
|
|
if (!psc->GSUB_Table)
|
|
return;
|
|
|
|
context_type = heap_alloc(cChars);
|
|
context_shape = heap_alloc(cChars * sizeof(*context_shape));
|
|
|
|
for (i = 0; i < cChars; i++)
|
|
context_type[i] = get_table_entry( wine_shaping_table, pwcChars[i] );
|
|
|
|
for (i = 0; i < cChars; i++)
|
|
{
|
|
if (pwcChars[i] == ALAPH)
|
|
{
|
|
WCHAR rchar = neighbour_char(i,dirR,pwcChars,cChars);
|
|
|
|
if (left_join_causing(neighbour_joining_type(i,dirR,context_type,cChars,psa)) && word_break_causing(neighbour_char(i,dirL,pwcChars,cChars)))
|
|
context_shape[i] = Afj;
|
|
else if ( rchar != DALATH && rchar != RISH &&
|
|
!left_join_causing(neighbour_joining_type(i,dirR,context_type,cChars,psa)) &&
|
|
word_break_causing(neighbour_char(i,dirL,pwcChars,cChars)))
|
|
context_shape[i] = Afn;
|
|
else if ( (rchar == DALATH || rchar == RISH) && word_break_causing(neighbour_char(i,dirL,pwcChars,cChars)))
|
|
context_shape[i] = Afx;
|
|
else
|
|
context_shape[i] = Xn;
|
|
}
|
|
else if (context_type[i] == jtR &&
|
|
right_join_causing(neighbour_joining_type(i,dirR,context_type,cChars,psa)))
|
|
context_shape[i] = Xr;
|
|
else if (context_type[i] == jtL && left_join_causing(neighbour_joining_type(i,dirL,context_type,cChars,psa)))
|
|
context_shape[i] = Xl;
|
|
else if (context_type[i] == jtD && left_join_causing(neighbour_joining_type(i,dirL,context_type,cChars,psa)) && right_join_causing(neighbour_joining_type(i,dirR,context_type,cChars,psa)))
|
|
context_shape[i] = Xm;
|
|
else if (context_type[i] == jtD && right_join_causing(neighbour_joining_type(i,dirR,context_type,cChars,psa)))
|
|
context_shape[i] = Xr;
|
|
else if (context_type[i] == jtD && left_join_causing(neighbour_joining_type(i,dirL,context_type,cChars,psa)))
|
|
context_shape[i] = Xl;
|
|
else
|
|
context_shape[i] = Xn;
|
|
}
|
|
|
|
/* Contextual Shaping */
|
|
if (dirL > 0)
|
|
char_index = glyph_index = 0;
|
|
else
|
|
char_index = glyph_index = cChars-1;
|
|
|
|
while(char_index < cChars && char_index >= 0)
|
|
{
|
|
INT nextIndex, offset = 0;
|
|
INT prevCount = *pcGlyphs;
|
|
|
|
/* Apply CCMP first */
|
|
apply_GSUB_feature_to_glyph(hdc, psa, psc, pwOutGlyphs, glyph_index, dirL, pcGlyphs, "ccmp");
|
|
|
|
if (prevCount != *pcGlyphs)
|
|
{
|
|
offset = *pcGlyphs - prevCount;
|
|
if (dirL < 0)
|
|
glyph_index -= offset * dirL;
|
|
}
|
|
|
|
/* Apply the contextual feature */
|
|
nextIndex = apply_GSUB_feature_to_glyph(hdc, psa, psc, pwOutGlyphs, glyph_index, dirL, pcGlyphs, contextual_features[context_shape[char_index]]);
|
|
if (nextIndex > GSUB_E_NOGLYPH)
|
|
{
|
|
UpdateClusters(nextIndex, *pcGlyphs - prevCount, dirL, cChars, pwLogClust);
|
|
char_index += dirL;
|
|
if (!offset)
|
|
glyph_index = nextIndex;
|
|
else
|
|
{
|
|
offset = *pcGlyphs - prevCount;
|
|
glyph_index += dirL * (offset + 1);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
char_index += dirL;
|
|
glyph_index += dirL;
|
|
}
|
|
}
|
|
|
|
heap_free(context_shape);
|
|
heap_free(context_type);
|
|
|
|
mark_invalid_combinations(hdc, pwcChars, cChars, pwOutGlyphs, pcGlyphs, dirL, pwLogClust, combining_lexical_Syriac);
|
|
}
|
|
|
|
static int combining_lexical_Thaana(WCHAR c)
|
|
{
|
|
enum {Thaana_Norm=0, Thaana_FILI};
|
|
|
|
switch(c)
|
|
{
|
|
case 0x7A6:
|
|
case 0x7A7:
|
|
case 0x7A8:
|
|
case 0x7A9:
|
|
case 0x7AA:
|
|
case 0x7AB:
|
|
case 0x7AC:
|
|
case 0x7AD:
|
|
case 0x7AE:
|
|
case 0x7AF: return Thaana_FILI;
|
|
default: return Thaana_Norm;
|
|
}
|
|
}
|
|
|
|
static void ContextualShape_Thaana(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust)
|
|
{
|
|
INT dirL;
|
|
|
|
if (*pcGlyphs != cChars)
|
|
{
|
|
ERR("Number of Glyphs and Chars need to match at the beginning\n");
|
|
return;
|
|
}
|
|
|
|
if (!psa->fLogicalOrder && psa->fRTL)
|
|
dirL = -1;
|
|
else
|
|
dirL = 1;
|
|
|
|
mark_invalid_combinations(hdc, pwcChars, cChars, pwOutGlyphs, pcGlyphs, dirL, pwLogClust, combining_lexical_Thaana);
|
|
}
|
|
|
|
/*
|
|
* ContextualShape_Phags_pa
|
|
*/
|
|
|
|
#define phags_pa_CANDRABINDU 0xA873
|
|
#define phags_pa_START 0xA840
|
|
#define phags_pa_END 0xA87F
|
|
|
|
static void ContextualShape_Phags_pa(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust)
|
|
{
|
|
INT *context_shape;
|
|
INT dirR, dirL;
|
|
int i;
|
|
int char_index;
|
|
int glyph_index;
|
|
|
|
if (*pcGlyphs != cChars)
|
|
{
|
|
ERR("Number of Glyphs and Chars need to match at the beginning\n");
|
|
return;
|
|
}
|
|
|
|
if (!psa->fLogicalOrder && psa->fRTL)
|
|
{
|
|
dirR = 1;
|
|
dirL = -1;
|
|
}
|
|
else
|
|
{
|
|
dirR = -1;
|
|
dirL = 1;
|
|
}
|
|
|
|
load_ot_tables(hdc, psc);
|
|
|
|
if (!psc->GSUB_Table)
|
|
return;
|
|
|
|
context_shape = heap_alloc(cChars * sizeof(*context_shape));
|
|
|
|
for (i = 0; i < cChars; i++)
|
|
{
|
|
if (pwcChars[i] >= phags_pa_START && pwcChars[i] <= phags_pa_END)
|
|
{
|
|
WCHAR rchar = neighbour_char(i,dirR,pwcChars,cChars);
|
|
WCHAR lchar = neighbour_char(i,dirL,pwcChars,cChars);
|
|
BOOL jrchar = (rchar != phags_pa_CANDRABINDU && rchar >= phags_pa_START && rchar <= phags_pa_END);
|
|
BOOL jlchar = (lchar != phags_pa_CANDRABINDU && lchar >= phags_pa_START && lchar <= phags_pa_END);
|
|
|
|
if (jrchar && jlchar)
|
|
context_shape[i] = Xm;
|
|
else if (jrchar)
|
|
context_shape[i] = Xr;
|
|
else if (jlchar)
|
|
context_shape[i] = Xl;
|
|
else
|
|
context_shape[i] = Xn;
|
|
}
|
|
else
|
|
context_shape[i] = -1;
|
|
}
|
|
|
|
/* Contextual Shaping */
|
|
if (dirL > 0)
|
|
char_index = glyph_index = 0;
|
|
else
|
|
char_index = glyph_index = cChars-1;
|
|
|
|
while(char_index < cChars && char_index >= 0)
|
|
{
|
|
if (context_shape[char_index] >= 0)
|
|
{
|
|
INT nextIndex;
|
|
INT prevCount = *pcGlyphs;
|
|
nextIndex = apply_GSUB_feature_to_glyph(hdc, psa, psc, pwOutGlyphs, glyph_index, dirL, pcGlyphs, contextual_features[context_shape[char_index]]);
|
|
|
|
if (nextIndex > GSUB_E_NOGLYPH)
|
|
{
|
|
UpdateClusters(nextIndex, *pcGlyphs - prevCount, dirL, cChars, pwLogClust);
|
|
glyph_index = nextIndex;
|
|
char_index += dirL;
|
|
}
|
|
else
|
|
{
|
|
char_index += dirL;
|
|
glyph_index += dirL;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
char_index += dirL;
|
|
glyph_index += dirL;
|
|
}
|
|
}
|
|
|
|
heap_free(context_shape);
|
|
}
|
|
|
|
static int combining_lexical_Thai(WCHAR c)
|
|
{
|
|
enum {Thai_Norm=0, Thai_ABOVE1, Thai_ABOVE2, Thai_ABOVE3, Thai_ABOVE4, Thai_BELOW1, Thai_BELOW2, Thai_AM};
|
|
|
|
switch(c)
|
|
{
|
|
case 0xE31:
|
|
case 0xE34:
|
|
case 0xE35:
|
|
case 0xE36:
|
|
case 0xE37: return Thai_ABOVE1;
|
|
case 0xE47:
|
|
case 0xE4D: return Thai_ABOVE2;
|
|
case 0xE48:
|
|
case 0xE49:
|
|
case 0xE4A:
|
|
case 0xE4B: return Thai_ABOVE3;
|
|
case 0xE4C:
|
|
case 0xE4E: return Thai_ABOVE4;
|
|
case 0xE38:
|
|
case 0xE39: return Thai_BELOW1;
|
|
case 0xE3A: return Thai_BELOW2;
|
|
case 0xE33: return Thai_AM;
|
|
default: return Thai_Norm;
|
|
}
|
|
}
|
|
|
|
static void ContextualShape_Thai(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust)
|
|
{
|
|
INT dirL;
|
|
|
|
if (*pcGlyphs != cChars)
|
|
{
|
|
ERR("Number of Glyphs and Chars need to match at the beginning\n");
|
|
return;
|
|
}
|
|
|
|
if (!psa->fLogicalOrder && psa->fRTL)
|
|
dirL = -1;
|
|
else
|
|
dirL = 1;
|
|
|
|
mark_invalid_combinations(hdc, pwcChars, cChars, pwOutGlyphs, pcGlyphs, dirL, pwLogClust, combining_lexical_Thai);
|
|
}
|
|
|
|
static int combining_lexical_Lao(WCHAR c)
|
|
{
|
|
enum {Lao_Norm=0, Lao_ABOVE1, Lao_ABOVE2, Lao_BELOW1, Lao_BELOW2, Lao_AM};
|
|
|
|
switch(c)
|
|
{
|
|
case 0xEB1:
|
|
case 0xEB4:
|
|
case 0xEB5:
|
|
case 0xEB6:
|
|
case 0xEB7:
|
|
case 0xEBB:
|
|
case 0xECD: return Lao_ABOVE1;
|
|
case 0xEC8:
|
|
case 0xEC9:
|
|
case 0xECA:
|
|
case 0xECB:
|
|
case 0xECC: return Lao_ABOVE2;
|
|
case 0xEBC: return Lao_BELOW1;
|
|
case 0xEB8:
|
|
case 0xEB9: return Lao_BELOW2;
|
|
case 0xEB3: return Lao_AM;
|
|
default: return Lao_Norm;
|
|
}
|
|
}
|
|
|
|
static void ContextualShape_Lao(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust)
|
|
{
|
|
INT dirL;
|
|
|
|
if (*pcGlyphs != cChars)
|
|
{
|
|
ERR("Number of Glyphs and Chars need to match at the beginning\n");
|
|
return;
|
|
}
|
|
|
|
if (!psa->fLogicalOrder && psa->fRTL)
|
|
dirL = -1;
|
|
else
|
|
dirL = 1;
|
|
|
|
mark_invalid_combinations(hdc, pwcChars, cChars, pwOutGlyphs, pcGlyphs, dirL, pwLogClust, combining_lexical_Lao);
|
|
}
|
|
|
|
static void ReplaceInsertChars(HDC hdc, INT cWalk, INT* pcChars, WCHAR *pwOutChars, const WCHAR *replacements)
|
|
{
|
|
int i;
|
|
|
|
/* Replace */
|
|
pwOutChars[cWalk] = replacements[0];
|
|
cWalk=cWalk+1;
|
|
|
|
/* Insert */
|
|
for (i = 1; i < 3 && replacements[i] != 0x0000; i++)
|
|
{
|
|
int j;
|
|
for (j = *pcChars; j > cWalk; j--)
|
|
pwOutChars[j] = pwOutChars[j-1];
|
|
*pcChars= *pcChars+1;
|
|
pwOutChars[cWalk] = replacements[i];
|
|
cWalk = cWalk+1;
|
|
}
|
|
}
|
|
|
|
static void DecomposeVowels(HDC hdc, WCHAR *pwOutChars, INT *pcChars, const VowelComponents vowels[], WORD* pwLogClust, INT cChars)
|
|
{
|
|
int i;
|
|
int cWalk;
|
|
|
|
for (cWalk = 0; cWalk < *pcChars; cWalk++)
|
|
{
|
|
for (i = 0; vowels[i].base != 0x0; i++)
|
|
{
|
|
if (pwOutChars[cWalk] == vowels[i].base)
|
|
{
|
|
int o = 0;
|
|
ReplaceInsertChars(hdc, cWalk, pcChars, pwOutChars, vowels[i].parts);
|
|
if (vowels[i].parts[1]) { cWalk++; o++; }
|
|
if (vowels[i].parts[2]) { cWalk++; o++; }
|
|
UpdateClusters(cWalk, o, 1, cChars, pwLogClust);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void ComposeConsonants(HDC hdc, WCHAR *pwOutChars, INT *pcChars, const ConsonantComponents consonants[], WORD* pwLogClust)
|
|
{
|
|
int i;
|
|
int offset = 0;
|
|
int cWalk;
|
|
|
|
for (cWalk = 0; cWalk < *pcChars; cWalk += 2)
|
|
{
|
|
for (i = 0; consonants[i].output!= 0x0; i++)
|
|
{
|
|
int j;
|
|
for (j = 0; j + cWalk < *pcChars && consonants[i].parts[j]!=0x0; j++)
|
|
if (pwOutChars[cWalk+j] != consonants[i].parts[j])
|
|
break;
|
|
|
|
if (consonants[i].parts[j]==0x0) /* matched all */
|
|
{
|
|
int k;
|
|
j--;
|
|
pwOutChars[cWalk] = consonants[i].output;
|
|
for(k = cWalk+1; k < *pcChars - j; k++)
|
|
pwOutChars[k] = pwOutChars[k+j];
|
|
*pcChars = *pcChars - j;
|
|
for (k = j ; k > 0; k--)
|
|
pwLogClust[cWalk + k + offset] = pwLogClust[cWalk + offset];
|
|
offset += j;
|
|
for (k = cWalk + j + offset; k < *pcChars + offset; k++)
|
|
pwLogClust[k]--;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void Reorder_Ra_follows_base(WCHAR *pwChar, IndicSyllable *s, lexical_function lexical)
|
|
{
|
|
if (s->ralf >= 0)
|
|
{
|
|
int j;
|
|
WORD Ra = pwChar[s->start];
|
|
WORD H = pwChar[s->start+1];
|
|
|
|
TRACE("Doing reorder of Ra to %i\n",s->base);
|
|
for (j = s->start; j < s->base-1; j++)
|
|
pwChar[j] = pwChar[j+2];
|
|
pwChar[s->base-1] = Ra;
|
|
pwChar[s->base] = H;
|
|
|
|
s->ralf = s->base-1;
|
|
s->base -= 2;
|
|
}
|
|
}
|
|
|
|
static void Reorder_Ra_follows_matra(WCHAR *pwChar, IndicSyllable *s, lexical_function lexical)
|
|
{
|
|
if (s->ralf >= 0)
|
|
{
|
|
int j,loc;
|
|
int stop = (s->blwf >=0)? s->blwf+1 : s->base;
|
|
WORD Ra = pwChar[s->start];
|
|
WORD H = pwChar[s->start+1];
|
|
for (loc = s->end; loc > stop; loc--)
|
|
if (lexical(pwChar[loc]) == lex_Matra_post || lexical(pwChar[loc]) == lex_Matra_below)
|
|
break;
|
|
|
|
TRACE("Doing reorder of Ra to %i\n",loc);
|
|
for (j = s->start; j < loc-1; j++)
|
|
pwChar[j] = pwChar[j+2];
|
|
pwChar[loc-1] = Ra;
|
|
pwChar[loc] = H;
|
|
|
|
s->ralf = loc-1;
|
|
s->base -= 2;
|
|
if (s->blwf >= 0) s->blwf -= 2;
|
|
if (s->pref >= 0) s->pref -= 2;
|
|
}
|
|
}
|
|
|
|
static void Reorder_Ra_follows_syllable(WCHAR *pwChar, IndicSyllable *s, lexical_function lexical)
|
|
{
|
|
if (s->ralf >= 0)
|
|
{
|
|
int j;
|
|
WORD Ra = pwChar[s->start];
|
|
WORD H = pwChar[s->start+1];
|
|
|
|
TRACE("Doing reorder of Ra to %i\n",s->end-1);
|
|
for (j = s->start; j < s->end-1; j++)
|
|
pwChar[j] = pwChar[j+2];
|
|
pwChar[s->end-1] = Ra;
|
|
pwChar[s->end] = H;
|
|
|
|
s->ralf = s->end-1;
|
|
s->base -= 2;
|
|
if (s->blwf >= 0) s->blwf -= 2;
|
|
if (s->pref >= 0) s->pref -= 2;
|
|
}
|
|
}
|
|
|
|
static void Reorder_Matra_precede_base(WCHAR *pwChar, IndicSyllable *s, lexical_function lexical)
|
|
{
|
|
int i;
|
|
|
|
/* reorder Matras */
|
|
if (s->end > s->base)
|
|
{
|
|
for (i = 1; i <= s->end-s->base; i++)
|
|
{
|
|
if (lexical(pwChar[s->base+i]) == lex_Matra_pre)
|
|
{
|
|
int j;
|
|
WCHAR c = pwChar[s->base+i];
|
|
TRACE("Doing reorder of %x %x\n",c,pwChar[s->base]);
|
|
for (j = s->base+i; j > s->base; j--)
|
|
pwChar[j] = pwChar[j-1];
|
|
pwChar[s->base] = c;
|
|
|
|
if (s->ralf >= s->base) s->ralf++;
|
|
if (s->blwf >= s->base) s->blwf++;
|
|
if (s->pref >= s->base) s->pref++;
|
|
s->base ++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void Reorder_Matra_precede_syllable(WCHAR *pwChar, IndicSyllable *s, lexical_function lexical)
|
|
{
|
|
int i;
|
|
|
|
/* reorder Matras */
|
|
if (s->end > s->base)
|
|
{
|
|
for (i = 1; i <= s->end-s->base; i++)
|
|
{
|
|
if (lexical(pwChar[s->base+i]) == lex_Matra_pre)
|
|
{
|
|
int j;
|
|
WCHAR c = pwChar[s->base+i];
|
|
TRACE("Doing reorder of %x to %i\n",c,s->start);
|
|
for (j = s->base+i; j > s->start; j--)
|
|
pwChar[j] = pwChar[j-1];
|
|
pwChar[s->start] = c;
|
|
|
|
if (s->ralf >= 0) s->ralf++;
|
|
if (s->blwf >= 0) s->blwf++;
|
|
if (s->pref >= 0) s->pref++;
|
|
s->base ++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void SecondReorder_Blwf_follows_matra(const WCHAR *chars, const IndicSyllable *s,
|
|
WORD *glyphs, const IndicSyllable *g, lexical_function lexical)
|
|
{
|
|
if (s->blwf >= 0 && g->blwf > g->base)
|
|
{
|
|
int j,loc;
|
|
int g_offset;
|
|
for (loc = s->end; loc > s->blwf; loc--)
|
|
if (lexical(chars[loc]) == lex_Matra_below || lexical(chars[loc]) == lex_Matra_above
|
|
|| lexical(chars[loc]) == lex_Matra_post)
|
|
break;
|
|
|
|
g_offset = (loc - s->blwf) - 1;
|
|
|
|
if (loc != s->blwf)
|
|
{
|
|
WORD blwf = glyphs[g->blwf];
|
|
TRACE("Doing reorder of Below-base to %i (glyph offset %i)\n",loc,g_offset);
|
|
/* do not care about the pwChar array anymore, just the glyphs */
|
|
for (j = 0; j < g_offset; j++)
|
|
glyphs[g->blwf + j] = glyphs[g->blwf + j + 1];
|
|
glyphs[g->blwf + g_offset] = blwf;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void SecondReorder_Matra_precede_base(const WCHAR *chars, const IndicSyllable *s,
|
|
WORD *glyphs, const IndicSyllable *g, lexical_function lexical)
|
|
{
|
|
int i;
|
|
|
|
/* reorder previously moved Matras to correct position*/
|
|
for (i = s->start; i < s->base; i++)
|
|
{
|
|
if (lexical(chars[i]) == lex_Matra_pre)
|
|
{
|
|
int j;
|
|
int g_start = g->start + i - s->start;
|
|
if (g_start < g->base -1 )
|
|
{
|
|
WCHAR og = glyphs[g_start];
|
|
TRACE("Doing reorder of matra from %i to %i\n",g_start,g->base);
|
|
for (j = g_start; j < g->base-1; j++)
|
|
glyphs[j] = glyphs[j+1];
|
|
glyphs[g->base-1] = og;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void SecondReorder_Pref_precede_base(const IndicSyllable *s,
|
|
WORD *glyphs, const IndicSyllable *g, lexical_function lexical)
|
|
{
|
|
if (s->pref >= 0 && g->pref > g->base)
|
|
{
|
|
int j;
|
|
WCHAR og = glyphs[g->pref];
|
|
TRACE("Doing reorder of pref from %i to %i\n",g->pref,g->base);
|
|
for (j = g->pref; j > g->base; j--)
|
|
glyphs[j] = glyphs[j-1];
|
|
glyphs[g->base] = og;
|
|
}
|
|
}
|
|
|
|
static void Reorder_Like_Sinhala(WCHAR *pwChar, IndicSyllable *s, lexical_function lexical)
|
|
{
|
|
TRACE("Syllable (%i..%i..%i)\n",s->start,s->base,s->end);
|
|
if (s->start == s->base && s->base == s->end) return;
|
|
if (lexical(pwChar[s->base]) == lex_Vowel) return;
|
|
|
|
Reorder_Ra_follows_base(pwChar, s, lexical);
|
|
Reorder_Matra_precede_base(pwChar, s, lexical);
|
|
}
|
|
|
|
static void Reorder_Like_Devanagari(WCHAR *pwChar, IndicSyllable *s, lexical_function lexical)
|
|
{
|
|
TRACE("Syllable (%i..%i..%i)\n",s->start,s->base,s->end);
|
|
if (s->start == s->base && s->base == s->end) return;
|
|
if (lexical(pwChar[s->base]) == lex_Vowel) return;
|
|
|
|
Reorder_Ra_follows_matra(pwChar, s, lexical);
|
|
Reorder_Matra_precede_syllable(pwChar, s, lexical);
|
|
}
|
|
|
|
static void Reorder_Like_Bengali(WCHAR *pwChar, IndicSyllable *s, lexical_function lexical)
|
|
{
|
|
TRACE("Syllable (%i..%i..%i)\n",s->start,s->base,s->end);
|
|
if (s->start == s->base && s->base == s->end) return;
|
|
if (lexical(pwChar[s->base]) == lex_Vowel) return;
|
|
|
|
Reorder_Ra_follows_base(pwChar, s, lexical);
|
|
Reorder_Matra_precede_syllable(pwChar, s, lexical);
|
|
}
|
|
|
|
static void Reorder_Like_Kannada(WCHAR *pwChar, IndicSyllable *s, lexical_function lexical)
|
|
{
|
|
TRACE("Syllable (%i..%i..%i)\n",s->start,s->base,s->end);
|
|
if (s->start == s->base && s->base == s->end) return;
|
|
if (lexical(pwChar[s->base]) == lex_Vowel) return;
|
|
|
|
Reorder_Ra_follows_syllable(pwChar, s, lexical);
|
|
Reorder_Matra_precede_syllable(pwChar, s, lexical);
|
|
}
|
|
|
|
static void SecondReorder_Like_Telugu(const WCHAR *chars, const IndicSyllable *s,
|
|
WORD *glyphs, const IndicSyllable *g, lexical_function lexical)
|
|
{
|
|
TRACE("Syllable (%i..%i..%i)\n",s->start,s->base,s->end);
|
|
TRACE("Glyphs (%i..%i..%i)\n",g->start,g->base,g->end);
|
|
if (s->start == s->base && s->base == s->end) return;
|
|
if (lexical(chars[s->base]) == lex_Vowel) return;
|
|
|
|
SecondReorder_Blwf_follows_matra(chars, s, glyphs, g, lexical);
|
|
}
|
|
|
|
static void SecondReorder_Like_Tamil(const WCHAR *chars, const IndicSyllable *s,
|
|
WORD *glyphs, const IndicSyllable *g, lexical_function lexical)
|
|
{
|
|
TRACE("Syllable (%i..%i..%i)\n",s->start,s->base,s->end);
|
|
TRACE("Glyphs (%i..%i..%i)\n",g->start,g->base,g->end);
|
|
if (s->start == s->base && s->base == s->end) return;
|
|
if (lexical(chars[s->base]) == lex_Vowel) return;
|
|
|
|
SecondReorder_Matra_precede_base(chars, s, glyphs, g, lexical);
|
|
SecondReorder_Pref_precede_base(s, glyphs, g, lexical);
|
|
}
|
|
|
|
|
|
static inline void shift_syllable_glyph_indices(IndicSyllable *glyph_index, INT index, INT shift)
|
|
{
|
|
if (shift == 0)
|
|
return;
|
|
|
|
if (glyph_index->start > index)
|
|
glyph_index->start += shift;
|
|
if (glyph_index->base > index)
|
|
glyph_index->base+= shift;
|
|
if (glyph_index->end > index)
|
|
glyph_index->end+= shift;
|
|
if (glyph_index->ralf > index)
|
|
glyph_index->ralf+= shift;
|
|
if (glyph_index->blwf > index)
|
|
glyph_index->blwf+= shift;
|
|
if (glyph_index->pref > index)
|
|
glyph_index->pref+= shift;
|
|
}
|
|
|
|
static void Apply_Indic_BasicForm(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwChars, INT cChars, IndicSyllable *syllable, WORD *pwOutGlyphs, INT* pcGlyphs, WORD *pwLogClust, lexical_function lexical, IndicSyllable *glyph_index, LoadedFeature *feature )
|
|
{
|
|
int index = glyph_index->start;
|
|
|
|
if (!feature)
|
|
return;
|
|
|
|
while(index <= glyph_index->end)
|
|
{
|
|
INT nextIndex;
|
|
INT prevCount = *pcGlyphs;
|
|
nextIndex = GSUB_apply_feature_all_lookups(psc->GSUB_Table, feature, pwOutGlyphs, index, 1, pcGlyphs);
|
|
if (nextIndex > GSUB_E_NOGLYPH)
|
|
{
|
|
UpdateClusters(nextIndex, *pcGlyphs - prevCount, 1, cChars, pwLogClust);
|
|
shift_syllable_glyph_indices(glyph_index,index,*pcGlyphs - prevCount);
|
|
index = nextIndex;
|
|
}
|
|
else
|
|
index++;
|
|
}
|
|
}
|
|
|
|
static inline INT find_consonant_halant(WCHAR* pwChars, INT index, INT end, lexical_function lexical)
|
|
{
|
|
int i = 0;
|
|
while (i + index < end - 1 && !(is_consonant(lexical(pwChars[index+i])) && (lexical(pwChars[index+i+1]) == lex_Halant || (index + i < end - 2 && lexical(pwChars[index+i+1]) == lex_Nukta && lexical(pwChars[index+i+2] == lex_Halant)))))
|
|
i++;
|
|
if (index + i <= end-1)
|
|
return index + i;
|
|
else
|
|
return -1;
|
|
}
|
|
|
|
static void Apply_Indic_PreBase(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwChars, INT cChars, IndicSyllable *syllable, WORD *pwOutGlyphs, INT* pcGlyphs, WORD *pwLogClust, lexical_function lexical, IndicSyllable *glyph_index, const char* feature)
|
|
{
|
|
INT index, nextIndex;
|
|
INT count,g_offset;
|
|
|
|
count = syllable->base - syllable->start;
|
|
|
|
g_offset = 0;
|
|
index = find_consonant_halant(&pwChars[syllable->start], 0, count, lexical);
|
|
while (index >= 0 && index + g_offset < (glyph_index->base - glyph_index->start))
|
|
{
|
|
INT prevCount = *pcGlyphs;
|
|
nextIndex = apply_GSUB_feature_to_glyph(hdc, psa, psc, pwOutGlyphs, index+glyph_index->start+g_offset, 1, pcGlyphs, feature);
|
|
if (nextIndex > GSUB_E_NOGLYPH)
|
|
{
|
|
UpdateClusters(nextIndex, *pcGlyphs - prevCount, 1, cChars, pwLogClust);
|
|
shift_syllable_glyph_indices(glyph_index, index + glyph_index->start + g_offset, (*pcGlyphs - prevCount));
|
|
g_offset += (*pcGlyphs - prevCount);
|
|
}
|
|
|
|
index+=2;
|
|
index = find_consonant_halant(&pwChars[syllable->start], index, count, lexical);
|
|
}
|
|
}
|
|
|
|
static void Apply_Indic_Rphf(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwChars, INT cChars, IndicSyllable *syllable, WORD *pwOutGlyphs, INT* pcGlyphs, WORD *pwLogClust, lexical_function lexical, IndicSyllable *glyph_index)
|
|
{
|
|
INT nextIndex;
|
|
INT prevCount = *pcGlyphs;
|
|
|
|
if (syllable->ralf >= 0)
|
|
{
|
|
nextIndex = apply_GSUB_feature_to_glyph(hdc, psa, psc, pwOutGlyphs, glyph_index->ralf, 1, pcGlyphs, "rphf");
|
|
if (nextIndex > GSUB_E_NOGLYPH)
|
|
{
|
|
UpdateClusters(nextIndex, *pcGlyphs - prevCount, 1, cChars, pwLogClust);
|
|
shift_syllable_glyph_indices(glyph_index,glyph_index->ralf,*pcGlyphs - prevCount);
|
|
}
|
|
}
|
|
}
|
|
|
|
static inline INT find_halant_consonant(WCHAR* pwChars, INT index, INT end, lexical_function lexical)
|
|
{
|
|
int i = 0;
|
|
while (index + i < end-1 && !(lexical(pwChars[index+i]) == lex_Halant &&
|
|
((index + i < end-2 && lexical(pwChars[index+i]) == lex_Nukta && is_consonant(lexical(pwChars[index+i+1]))) ||
|
|
is_consonant(lexical(pwChars[index+i+1])))))
|
|
i++;
|
|
if (index + i <= end-1)
|
|
return index+i;
|
|
else
|
|
return -1;
|
|
}
|
|
|
|
static void Apply_Indic_PostBase(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwChars, INT cChars, IndicSyllable *syllable, WORD *pwOutGlyphs, INT* pcGlyphs, WORD *pwLogClust, lexical_function lexical, IndicSyllable *glyph_index, BOOL modern, const char* feat)
|
|
{
|
|
INT index, nextIndex;
|
|
INT count, g_offset=0;
|
|
INT ralf = syllable->ralf;
|
|
|
|
count = syllable->end - syllable->base;
|
|
|
|
index = find_halant_consonant(&pwChars[syllable->base], 0, count, lexical);
|
|
|
|
while (index >= 0)
|
|
{
|
|
INT prevCount = *pcGlyphs;
|
|
if (ralf >=0 && ralf < index)
|
|
{
|
|
g_offset--;
|
|
ralf = -1;
|
|
}
|
|
|
|
if (!modern)
|
|
{
|
|
WORD g = pwOutGlyphs[index+glyph_index->base+g_offset];
|
|
pwOutGlyphs[index+glyph_index->base+g_offset] = pwOutGlyphs[index+glyph_index->base+g_offset+1];
|
|
pwOutGlyphs[index+glyph_index->base+g_offset+1] = g;
|
|
}
|
|
|
|
nextIndex = apply_GSUB_feature_to_glyph(hdc, psa, psc, pwOutGlyphs, index+glyph_index->base+g_offset, 1, pcGlyphs, feat);
|
|
if (nextIndex > GSUB_E_NOGLYPH)
|
|
{
|
|
UpdateClusters(nextIndex, *pcGlyphs - prevCount, 1, cChars, pwLogClust);
|
|
shift_syllable_glyph_indices(glyph_index,index+glyph_index->start+g_offset, (*pcGlyphs - prevCount));
|
|
g_offset += (*pcGlyphs - prevCount);
|
|
}
|
|
else if (!modern)
|
|
{
|
|
WORD g = pwOutGlyphs[index+glyph_index->base+g_offset];
|
|
pwOutGlyphs[index+glyph_index->base+g_offset] = pwOutGlyphs[index+glyph_index->base+g_offset+1];
|
|
pwOutGlyphs[index+glyph_index->base+g_offset+1] = g;
|
|
}
|
|
|
|
index+=2;
|
|
index = find_halant_consonant(&pwChars[syllable->base], index, count, lexical);
|
|
}
|
|
}
|
|
|
|
static void ShapeIndicSyllables(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwChars, INT cChars, IndicSyllable *syllables, INT syllable_count, WORD *pwOutGlyphs, INT* pcGlyphs, WORD *pwLogClust, lexical_function lexical, second_reorder_function second_reorder, BOOL modern)
|
|
{
|
|
int c;
|
|
int overall_shift = 0;
|
|
LoadedFeature *locl = (modern)?load_OT_feature(hdc, psa, psc, FEATURE_GSUB_TABLE, "locl"):NULL;
|
|
LoadedFeature *nukt = load_OT_feature(hdc, psa, psc, FEATURE_GSUB_TABLE, "nukt");
|
|
LoadedFeature *akhn = load_OT_feature(hdc, psa, psc, FEATURE_GSUB_TABLE, "akhn");
|
|
LoadedFeature *rkrf = (modern)?load_OT_feature(hdc, psa, psc, FEATURE_GSUB_TABLE, "rkrf"):NULL;
|
|
LoadedFeature *pstf = load_OT_feature(hdc, psa, psc, FEATURE_GSUB_TABLE, "pstf");
|
|
LoadedFeature *vatu = (!rkrf)?load_OT_feature(hdc, psa, psc, FEATURE_GSUB_TABLE, "vatu"):NULL;
|
|
LoadedFeature *cjct = (modern)?load_OT_feature(hdc, psa, psc, FEATURE_GSUB_TABLE, "cjct"):NULL;
|
|
BOOL rphf = (load_OT_feature(hdc, psa, psc, FEATURE_GSUB_TABLE, "rphf") != NULL);
|
|
BOOL pref = (load_OT_feature(hdc, psa, psc, FEATURE_GSUB_TABLE, "pref") != NULL);
|
|
BOOL blwf = (load_OT_feature(hdc, psa, psc, FEATURE_GSUB_TABLE, "blwf") != NULL);
|
|
BOOL half = (load_OT_feature(hdc, psa, psc, FEATURE_GSUB_TABLE, "half") != NULL);
|
|
IndicSyllable glyph_indices;
|
|
|
|
for (c = 0; c < syllable_count; c++)
|
|
{
|
|
int old_end;
|
|
memcpy(&glyph_indices, &syllables[c], sizeof(IndicSyllable));
|
|
shift_syllable_glyph_indices(&glyph_indices, -1, overall_shift);
|
|
old_end = glyph_indices.end;
|
|
|
|
if (locl)
|
|
{
|
|
TRACE("applying feature locl\n");
|
|
Apply_Indic_BasicForm(hdc, psc, psa, pwChars, cChars, &syllables[c], pwOutGlyphs, pcGlyphs, pwLogClust, lexical, &glyph_indices, locl);
|
|
}
|
|
if (nukt)
|
|
{
|
|
TRACE("applying feature nukt\n");
|
|
Apply_Indic_BasicForm(hdc, psc, psa, pwChars, cChars, &syllables[c], pwOutGlyphs, pcGlyphs, pwLogClust, lexical, &glyph_indices, nukt);
|
|
}
|
|
if (akhn)
|
|
{
|
|
TRACE("applying feature akhn\n");
|
|
Apply_Indic_BasicForm(hdc, psc, psa, pwChars, cChars, &syllables[c], pwOutGlyphs, pcGlyphs, pwLogClust, lexical, &glyph_indices, akhn);
|
|
}
|
|
|
|
if (rphf)
|
|
Apply_Indic_Rphf(hdc, psc, psa, pwChars, cChars, &syllables[c], pwOutGlyphs, pcGlyphs, pwLogClust, lexical, &glyph_indices);
|
|
if (rkrf)
|
|
{
|
|
TRACE("applying feature rkrf\n");
|
|
Apply_Indic_BasicForm(hdc, psc, psa, pwChars, cChars, &syllables[c], pwOutGlyphs, pcGlyphs, pwLogClust, lexical, &glyph_indices, rkrf);
|
|
}
|
|
if (pref)
|
|
Apply_Indic_PostBase(hdc, psc, psa, pwChars, cChars, &syllables[c], pwOutGlyphs, pcGlyphs, pwLogClust, lexical, &glyph_indices, modern, "pref");
|
|
if (blwf)
|
|
{
|
|
if (!modern)
|
|
Apply_Indic_PreBase(hdc, psc, psa, pwChars, cChars, &syllables[c], pwOutGlyphs, pcGlyphs, pwLogClust, lexical, &glyph_indices, "blwf");
|
|
|
|
Apply_Indic_PostBase(hdc, psc, psa, pwChars, cChars, &syllables[c], pwOutGlyphs, pcGlyphs, pwLogClust, lexical, &glyph_indices, modern, "blwf");
|
|
|
|
}
|
|
if (half)
|
|
Apply_Indic_PreBase(hdc, psc, psa, pwChars, cChars, &syllables[c], pwOutGlyphs, pcGlyphs, pwLogClust, lexical, &glyph_indices, "half");
|
|
if (pstf)
|
|
{
|
|
TRACE("applying feature pstf\n");
|
|
Apply_Indic_BasicForm(hdc, psc, psa, pwChars, cChars, &syllables[c], pwOutGlyphs, pcGlyphs, pwLogClust, lexical, &glyph_indices, pstf);
|
|
}
|
|
if (vatu)
|
|
{
|
|
TRACE("applying feature vatu\n");
|
|
Apply_Indic_BasicForm(hdc, psc, psa, pwChars, cChars, &syllables[c], pwOutGlyphs, pcGlyphs, pwLogClust, lexical, &glyph_indices, vatu);
|
|
}
|
|
if (cjct)
|
|
{
|
|
TRACE("applying feature cjct\n");
|
|
Apply_Indic_BasicForm(hdc, psc, psa, pwChars, cChars, &syllables[c], pwOutGlyphs, pcGlyphs, pwLogClust, lexical, &glyph_indices, cjct);
|
|
}
|
|
|
|
if (second_reorder)
|
|
second_reorder(pwChars, &syllables[c], pwOutGlyphs, &glyph_indices, lexical);
|
|
|
|
overall_shift += glyph_indices.end - old_end;
|
|
}
|
|
}
|
|
|
|
static inline int unicode_lex(WCHAR c)
|
|
{
|
|
int type;
|
|
|
|
if (!c) return lex_Generic;
|
|
if (c == 0x200D) return lex_ZWJ;
|
|
if (c == 0x200C) return lex_ZWNJ;
|
|
if (c == 0x00A0) return lex_NBSP;
|
|
|
|
type = get_table_entry( indic_syllabic_table, c );
|
|
|
|
if ((type & 0x00ff) != 0x0007) type = type & 0x00ff;
|
|
|
|
switch( type )
|
|
{
|
|
case 0x0d07: /* Unknown */
|
|
case 0x0e07: /* Unknown */
|
|
default: return lex_Generic;
|
|
case 0x0001:
|
|
case 0x0002:
|
|
case 0x0011:
|
|
case 0x0012:
|
|
case 0x0013:
|
|
case 0x0014: return lex_Modifier;
|
|
case 0x0003:
|
|
case 0x0009:
|
|
case 0x000a:
|
|
case 0x000b:
|
|
case 0x000d:
|
|
case 0x000e:
|
|
case 0x000f:
|
|
case 0x0010: return lex_Consonant;
|
|
case 0x0004: return lex_Nukta;
|
|
case 0x0005: return lex_Halant;
|
|
case 0x0006:
|
|
case 0x0008: return lex_Vowel;
|
|
case 0x0007:
|
|
case 0x0107: return lex_Matra_post;
|
|
case 0x0207:
|
|
case 0x0307: return lex_Matra_pre;
|
|
case 0x0807:
|
|
case 0x0907:
|
|
case 0x0a07:
|
|
case 0x0b07:
|
|
case 0x0c07:
|
|
case 0x0f07:
|
|
case 0x1007:
|
|
case 0x0407: return lex_Composed_Vowel;
|
|
case 0x0507: return lex_Matra_above;
|
|
case 0x0607: return lex_Matra_below;
|
|
case 0x000c:
|
|
case 0x0015: return lex_Ra;
|
|
};
|
|
}
|
|
|
|
static int sinhala_lex(WCHAR c)
|
|
{
|
|
switch (c)
|
|
{
|
|
case 0x0DDA:
|
|
case 0x0DDD:
|
|
case 0x0DDC:
|
|
case 0x0DDE: return lex_Matra_post;
|
|
default:
|
|
return unicode_lex(c);
|
|
}
|
|
}
|
|
|
|
static const VowelComponents Sinhala_vowels[] = {
|
|
{0x0DDA, {0x0DD9,0x0DDA,0x0}},
|
|
{0x0DDC, {0x0DD9,0x0DDC,0x0}},
|
|
{0x0DDD, {0x0DD9,0x0DDD,0x0}},
|
|
{0x0DDE, {0x0DD9,0x0DDE,0x0}},
|
|
{0x0000, {0x0000,0x0000,0x0}}};
|
|
|
|
static void ContextualShape_Sinhala(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust)
|
|
{
|
|
int cCount = cChars;
|
|
int i;
|
|
WCHAR *input;
|
|
IndicSyllable *syllables = NULL;
|
|
int syllable_count = 0;
|
|
|
|
if (*pcGlyphs != cChars)
|
|
{
|
|
ERR("Number of Glyphs and Chars need to match at the beginning\n");
|
|
return;
|
|
}
|
|
|
|
input = heap_alloc(3 * cChars * sizeof(*input));
|
|
|
|
memcpy(input, pwcChars, cChars * sizeof(WCHAR));
|
|
|
|
/* Step 1: Decompose multi part vowels */
|
|
DecomposeVowels(hdc, input, &cCount, Sinhala_vowels, pwLogClust, cChars);
|
|
|
|
TRACE("New double vowel expanded string %s (%i)\n",debugstr_wn(input,cCount),cCount);
|
|
|
|
/* Step 2: Reorder within Syllables */
|
|
Indic_ReorderCharacters( hdc, psa, psc, input, cCount, &syllables, &syllable_count, sinhala_lex, Reorder_Like_Sinhala, TRUE);
|
|
TRACE("reordered string %s\n",debugstr_wn(input,cCount));
|
|
|
|
/* Step 3: Strip dangling joiners */
|
|
for (i = 0; i < cCount; i++)
|
|
{
|
|
if ((input[i] == 0x200D || input[i] == 0x200C) &&
|
|
(i == 0 || input[i-1] == 0x0020 || i == cCount-1 || input[i+1] == 0x0020))
|
|
input[i] = 0x0020;
|
|
}
|
|
|
|
/* Step 4: Base Form application to syllables */
|
|
GetGlyphIndicesW(hdc, input, cCount, pwOutGlyphs, 0);
|
|
*pcGlyphs = cCount;
|
|
ShapeIndicSyllables(hdc, psc, psa, input, cChars, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, sinhala_lex, NULL, TRUE);
|
|
|
|
heap_free(input);
|
|
heap_free(syllables);
|
|
}
|
|
|
|
static int devanagari_lex(WCHAR c)
|
|
{
|
|
switch (c)
|
|
{
|
|
case 0x0930: return lex_Ra;
|
|
default:
|
|
return unicode_lex(c);
|
|
}
|
|
}
|
|
|
|
static const ConsonantComponents Devanagari_consonants[] ={
|
|
{{0x0928, 0x093C, 0x00000}, 0x0929},
|
|
{{0x0930, 0x093C, 0x00000}, 0x0931},
|
|
{{0x0933, 0x093C, 0x00000}, 0x0934},
|
|
{{0x0915, 0x093C, 0x00000}, 0x0958},
|
|
{{0x0916, 0x093C, 0x00000}, 0x0959},
|
|
{{0x0917, 0x093C, 0x00000}, 0x095A},
|
|
{{0x091C, 0x093C, 0x00000}, 0x095B},
|
|
{{0x0921, 0x093C, 0x00000}, 0x095C},
|
|
{{0x0922, 0x093C, 0x00000}, 0x095D},
|
|
{{0x092B, 0x093C, 0x00000}, 0x095E},
|
|
{{0x092F, 0x093C, 0x00000}, 0x095F}};
|
|
|
|
static void ContextualShape_Devanagari(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust)
|
|
{
|
|
int cCount = cChars;
|
|
WCHAR *input;
|
|
IndicSyllable *syllables = NULL;
|
|
int syllable_count = 0;
|
|
BOOL modern = get_GSUB_Indic2(psa, psc);
|
|
|
|
if (*pcGlyphs != cChars)
|
|
{
|
|
ERR("Number of Glyphs and Chars need to match at the beginning\n");
|
|
return;
|
|
}
|
|
|
|
input = heap_alloc(cChars * sizeof(*input));
|
|
memcpy(input, pwcChars, cChars * sizeof(WCHAR));
|
|
|
|
/* Step 1: Compose Consonant and Nukta */
|
|
ComposeConsonants(hdc, input, &cCount, Devanagari_consonants, pwLogClust);
|
|
TRACE("New composed string %s (%i)\n",debugstr_wn(input,cCount),cCount);
|
|
|
|
/* Step 2: Reorder within Syllables */
|
|
Indic_ReorderCharacters( hdc, psa, psc, input, cCount, &syllables, &syllable_count, devanagari_lex, Reorder_Like_Devanagari, modern);
|
|
TRACE("reordered string %s\n",debugstr_wn(input,cCount));
|
|
GetGlyphIndicesW(hdc, input, cCount, pwOutGlyphs, 0);
|
|
*pcGlyphs = cCount;
|
|
|
|
/* Step 3: Base Form application to syllables */
|
|
ShapeIndicSyllables(hdc, psc, psa, input, cChars, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, devanagari_lex, NULL, modern);
|
|
|
|
heap_free(input);
|
|
heap_free(syllables);
|
|
}
|
|
|
|
static int bengali_lex(WCHAR c)
|
|
{
|
|
switch (c)
|
|
{
|
|
case 0x09B0: return lex_Ra;
|
|
default:
|
|
return unicode_lex(c);
|
|
}
|
|
}
|
|
|
|
static const VowelComponents Bengali_vowels[] = {
|
|
{0x09CB, {0x09C7,0x09BE,0x0000}},
|
|
{0x09CC, {0x09C7,0x09D7,0x0000}},
|
|
{0x0000, {0x0000,0x0000,0x0000}}};
|
|
|
|
static const ConsonantComponents Bengali_consonants[] = {
|
|
{{0x09A4,0x09CD,0x200D}, 0x09CE},
|
|
{{0x09A1,0x09BC,0x0000}, 0x09DC},
|
|
{{0x09A2,0x09BC,0x0000}, 0x09DD},
|
|
{{0x09AF,0x09BC,0x0000}, 0x09DF},
|
|
{{0x0000,0x0000,0x0000}, 0x0000}};
|
|
|
|
static void ContextualShape_Bengali(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust)
|
|
{
|
|
int cCount = cChars;
|
|
WCHAR *input;
|
|
IndicSyllable *syllables = NULL;
|
|
int syllable_count = 0;
|
|
BOOL modern = get_GSUB_Indic2(psa, psc);
|
|
|
|
if (*pcGlyphs != cChars)
|
|
{
|
|
ERR("Number of Glyphs and Chars need to match at the beginning\n");
|
|
return;
|
|
}
|
|
|
|
input = heap_alloc(2 * cChars * sizeof(*input));
|
|
memcpy(input, pwcChars, cChars * sizeof(WCHAR));
|
|
|
|
/* Step 1: Decompose Vowels and Compose Consonants */
|
|
DecomposeVowels(hdc, input, &cCount, Bengali_vowels, pwLogClust, cChars);
|
|
ComposeConsonants(hdc, input, &cCount, Bengali_consonants, pwLogClust);
|
|
TRACE("New composed string %s (%i)\n",debugstr_wn(input,cCount),cCount);
|
|
|
|
/* Step 2: Reorder within Syllables */
|
|
Indic_ReorderCharacters( hdc, psa, psc, input, cCount, &syllables, &syllable_count, bengali_lex, Reorder_Like_Bengali, modern);
|
|
TRACE("reordered string %s\n",debugstr_wn(input,cCount));
|
|
GetGlyphIndicesW(hdc, input, cCount, pwOutGlyphs, 0);
|
|
*pcGlyphs = cCount;
|
|
|
|
/* Step 3: Initial form is only applied to the beginning of words */
|
|
for (cCount = cCount - 1 ; cCount >= 0; cCount --)
|
|
{
|
|
if (cCount == 0 || input[cCount] == 0x0020) /* space */
|
|
{
|
|
int index = cCount;
|
|
int gCount = 1;
|
|
if (index > 0) index++;
|
|
|
|
apply_GSUB_feature_to_glyph(hdc, psa, psc, &pwOutGlyphs[index], 0, 1, &gCount, "init");
|
|
}
|
|
}
|
|
|
|
/* Step 4: Base Form application to syllables */
|
|
ShapeIndicSyllables(hdc, psc, psa, input, cChars, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, bengali_lex, NULL, modern);
|
|
|
|
heap_free(input);
|
|
heap_free(syllables);
|
|
}
|
|
|
|
static int gurmukhi_lex(WCHAR c)
|
|
{
|
|
if (c == 0x0A71)
|
|
return lex_Modifier;
|
|
else
|
|
return unicode_lex(c);
|
|
}
|
|
|
|
static const ConsonantComponents Gurmukhi_consonants[] = {
|
|
{{0x0A32,0x0A3C,0x0000}, 0x0A33},
|
|
{{0x0A16,0x0A3C,0x0000}, 0x0A59},
|
|
{{0x0A17,0x0A3C,0x0000}, 0x0A5A},
|
|
{{0x0A1C,0x0A3C,0x0000}, 0x0A5B},
|
|
{{0x0A2B,0x0A3C,0x0000}, 0x0A5E},
|
|
{{0x0000,0x0000,0x0000}, 0x0000}};
|
|
|
|
static void ContextualShape_Gurmukhi(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust)
|
|
{
|
|
int cCount = cChars;
|
|
WCHAR *input;
|
|
IndicSyllable *syllables = NULL;
|
|
int syllable_count = 0;
|
|
BOOL modern = get_GSUB_Indic2(psa, psc);
|
|
|
|
if (*pcGlyphs != cChars)
|
|
{
|
|
ERR("Number of Glyphs and Chars need to match at the beginning\n");
|
|
return;
|
|
}
|
|
|
|
input = heap_alloc(cChars * sizeof(*input));
|
|
memcpy(input, pwcChars, cChars * sizeof(WCHAR));
|
|
|
|
/* Step 1: Compose Consonants */
|
|
ComposeConsonants(hdc, input, &cCount, Gurmukhi_consonants, pwLogClust);
|
|
TRACE("New composed string %s (%i)\n",debugstr_wn(input,cCount),cCount);
|
|
|
|
/* Step 2: Reorder within Syllables */
|
|
Indic_ReorderCharacters( hdc, psa, psc, input, cCount, &syllables, &syllable_count, gurmukhi_lex, Reorder_Like_Bengali, modern);
|
|
TRACE("reordered string %s\n",debugstr_wn(input,cCount));
|
|
GetGlyphIndicesW(hdc, input, cCount, pwOutGlyphs, 0);
|
|
*pcGlyphs = cCount;
|
|
|
|
/* Step 3: Base Form application to syllables */
|
|
ShapeIndicSyllables(hdc, psc, psa, input, cChars, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, gurmukhi_lex, NULL, modern);
|
|
|
|
heap_free(input);
|
|
heap_free(syllables);
|
|
}
|
|
|
|
static int gujarati_lex(WCHAR c)
|
|
{
|
|
switch (c)
|
|
{
|
|
case 0x0AB0: return lex_Ra;
|
|
default:
|
|
return unicode_lex(c);
|
|
}
|
|
}
|
|
|
|
static void ContextualShape_Gujarati(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust)
|
|
{
|
|
int cCount = cChars;
|
|
WCHAR *input;
|
|
IndicSyllable *syllables = NULL;
|
|
int syllable_count = 0;
|
|
BOOL modern = get_GSUB_Indic2(psa, psc);
|
|
|
|
if (*pcGlyphs != cChars)
|
|
{
|
|
ERR("Number of Glyphs and Chars need to match at the beginning\n");
|
|
return;
|
|
}
|
|
|
|
input = heap_alloc(cChars * sizeof(*input));
|
|
memcpy(input, pwcChars, cChars * sizeof(WCHAR));
|
|
|
|
/* Step 1: Reorder within Syllables */
|
|
Indic_ReorderCharacters( hdc, psa, psc, input, cCount, &syllables, &syllable_count, gujarati_lex, Reorder_Like_Devanagari, modern);
|
|
TRACE("reordered string %s\n",debugstr_wn(input,cCount));
|
|
GetGlyphIndicesW(hdc, input, cCount, pwOutGlyphs, 0);
|
|
*pcGlyphs = cCount;
|
|
|
|
/* Step 2: Base Form application to syllables */
|
|
ShapeIndicSyllables(hdc, psc, psa, input, cChars, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, gujarati_lex, NULL, modern);
|
|
|
|
heap_free(input);
|
|
heap_free(syllables);
|
|
}
|
|
|
|
static int oriya_lex(WCHAR c)
|
|
{
|
|
switch (c)
|
|
{
|
|
case 0x0B30: return lex_Ra;
|
|
default:
|
|
return unicode_lex(c);
|
|
}
|
|
}
|
|
|
|
static const VowelComponents Oriya_vowels[] = {
|
|
{0x0B48, {0x0B47,0x0B56,0x0000}},
|
|
{0x0B4B, {0x0B47,0x0B3E,0x0000}},
|
|
{0x0B4C, {0x0B47,0x0B57,0x0000}},
|
|
{0x0000, {0x0000,0x0000,0x0000}}};
|
|
|
|
static const ConsonantComponents Oriya_consonants[] = {
|
|
{{0x0B21,0x0B3C,0x0000}, 0x0B5C},
|
|
{{0x0B22,0x0B3C,0x0000}, 0x0B5D},
|
|
{{0x0000,0x0000,0x0000}, 0x0000}};
|
|
|
|
static void ContextualShape_Oriya(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust)
|
|
{
|
|
int cCount = cChars;
|
|
WCHAR *input;
|
|
IndicSyllable *syllables = NULL;
|
|
int syllable_count = 0;
|
|
BOOL modern = get_GSUB_Indic2(psa, psc);
|
|
|
|
if (*pcGlyphs != cChars)
|
|
{
|
|
ERR("Number of Glyphs and Chars need to match at the beginning\n");
|
|
return;
|
|
}
|
|
|
|
input = heap_alloc(2 * cChars * sizeof(*input));
|
|
memcpy(input, pwcChars, cChars * sizeof(WCHAR));
|
|
|
|
/* Step 1: Decompose Vowels and Compose Consonants */
|
|
DecomposeVowels(hdc, input, &cCount, Oriya_vowels, pwLogClust, cChars);
|
|
ComposeConsonants(hdc, input, &cCount, Oriya_consonants, pwLogClust);
|
|
TRACE("New composed string %s (%i)\n",debugstr_wn(input,cCount),cCount);
|
|
|
|
/* Step 2: Reorder within Syllables */
|
|
Indic_ReorderCharacters( hdc, psa, psc, input, cCount, &syllables, &syllable_count, oriya_lex, Reorder_Like_Bengali, modern);
|
|
TRACE("reordered string %s\n",debugstr_wn(input,cCount));
|
|
GetGlyphIndicesW(hdc, input, cCount, pwOutGlyphs, 0);
|
|
*pcGlyphs = cCount;
|
|
|
|
/* Step 3: Base Form application to syllables */
|
|
ShapeIndicSyllables(hdc, psc, psa, input, cChars, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, oriya_lex, NULL, modern);
|
|
|
|
heap_free(input);
|
|
heap_free(syllables);
|
|
}
|
|
|
|
static int tamil_lex(WCHAR c)
|
|
{
|
|
return unicode_lex(c);
|
|
}
|
|
|
|
static const VowelComponents Tamil_vowels[] = {
|
|
{0x0BCA, {0x0BC6,0x0BBE,0x0000}},
|
|
{0x0BCB, {0x0BC7,0x0BBE,0x0000}},
|
|
{0x0BCB, {0x0BC6,0x0BD7,0x0000}},
|
|
{0x0000, {0x0000,0x0000,0x0000}}};
|
|
|
|
static const ConsonantComponents Tamil_consonants[] = {
|
|
{{0x0B92,0x0BD7,0x0000}, 0x0B94},
|
|
{{0x0000,0x0000,0x0000}, 0x0000}};
|
|
|
|
static void ContextualShape_Tamil(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust)
|
|
{
|
|
int cCount = cChars;
|
|
WCHAR *input;
|
|
IndicSyllable *syllables = NULL;
|
|
int syllable_count = 0;
|
|
BOOL modern = get_GSUB_Indic2(psa, psc);
|
|
|
|
if (*pcGlyphs != cChars)
|
|
{
|
|
ERR("Number of Glyphs and Chars need to match at the beginning\n");
|
|
return;
|
|
}
|
|
|
|
input = heap_alloc(2 * cChars * sizeof(*input));
|
|
memcpy(input, pwcChars, cChars * sizeof(WCHAR));
|
|
|
|
/* Step 1: Decompose Vowels and Compose Consonants */
|
|
DecomposeVowels(hdc, input, &cCount, Tamil_vowels, pwLogClust, cChars);
|
|
ComposeConsonants(hdc, input, &cCount, Tamil_consonants, pwLogClust);
|
|
TRACE("New composed string %s (%i)\n",debugstr_wn(input,cCount),cCount);
|
|
|
|
/* Step 2: Reorder within Syllables */
|
|
Indic_ReorderCharacters( hdc, psa, psc, input, cCount, &syllables, &syllable_count, tamil_lex, Reorder_Like_Bengali, modern);
|
|
TRACE("reordered string %s\n",debugstr_wn(input,cCount));
|
|
GetGlyphIndicesW(hdc, input, cCount, pwOutGlyphs, 0);
|
|
*pcGlyphs = cCount;
|
|
|
|
/* Step 3: Base Form application to syllables */
|
|
ShapeIndicSyllables(hdc, psc, psa, input, cChars, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, tamil_lex, SecondReorder_Like_Tamil, modern);
|
|
|
|
heap_free(input);
|
|
heap_free(syllables);
|
|
}
|
|
|
|
static int telugu_lex(WCHAR c)
|
|
{
|
|
switch (c)
|
|
{
|
|
case 0x0C43:
|
|
case 0x0C44: return lex_Modifier;
|
|
default:
|
|
return unicode_lex(c);
|
|
}
|
|
}
|
|
|
|
static const VowelComponents Telugu_vowels[] = {
|
|
{0x0C48, {0x0C46,0x0C56,0x0000}},
|
|
{0x0000, {0x0000,0x0000,0x0000}}};
|
|
|
|
static void ContextualShape_Telugu(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust)
|
|
{
|
|
int cCount = cChars;
|
|
WCHAR *input;
|
|
IndicSyllable *syllables = NULL;
|
|
int syllable_count = 0;
|
|
BOOL modern = get_GSUB_Indic2(psa, psc);
|
|
|
|
if (*pcGlyphs != cChars)
|
|
{
|
|
ERR("Number of Glyphs and Chars need to match at the beginning\n");
|
|
return;
|
|
}
|
|
|
|
input = heap_alloc(2 * cChars * sizeof(*input));
|
|
memcpy(input, pwcChars, cChars * sizeof(WCHAR));
|
|
|
|
/* Step 1: Decompose Vowels */
|
|
DecomposeVowels(hdc, input, &cCount, Telugu_vowels, pwLogClust, cChars);
|
|
TRACE("New composed string %s (%i)\n",debugstr_wn(input,cCount),cCount);
|
|
|
|
/* Step 2: Reorder within Syllables */
|
|
Indic_ReorderCharacters( hdc, psa, psc, input, cCount, &syllables, &syllable_count, telugu_lex, Reorder_Like_Bengali, modern);
|
|
TRACE("reordered string %s\n",debugstr_wn(input,cCount));
|
|
GetGlyphIndicesW(hdc, input, cCount, pwOutGlyphs, 0);
|
|
*pcGlyphs = cCount;
|
|
|
|
/* Step 3: Base Form application to syllables */
|
|
ShapeIndicSyllables(hdc, psc, psa, input, cChars, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, telugu_lex, SecondReorder_Like_Telugu, modern);
|
|
|
|
heap_free(input);
|
|
heap_free(syllables);
|
|
}
|
|
|
|
static int kannada_lex(WCHAR c)
|
|
{
|
|
switch (c)
|
|
{
|
|
case 0x0CB0: return lex_Ra;
|
|
default:
|
|
return unicode_lex(c);
|
|
}
|
|
}
|
|
|
|
static const VowelComponents Kannada_vowels[] = {
|
|
{0x0CC0, {0x0CBF,0x0CD5,0x0000}},
|
|
{0x0CC7, {0x0CC6,0x0CD5,0x0000}},
|
|
{0x0CC8, {0x0CC6,0x0CD6,0x0000}},
|
|
{0x0CCA, {0x0CC6,0x0CC2,0x0000}},
|
|
{0x0CCB, {0x0CC6,0x0CC2,0x0CD5}},
|
|
{0x0000, {0x0000,0x0000,0x0000}}};
|
|
|
|
static void ContextualShape_Kannada(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust)
|
|
{
|
|
int cCount = cChars;
|
|
WCHAR *input;
|
|
IndicSyllable *syllables = NULL;
|
|
int syllable_count = 0;
|
|
BOOL modern = get_GSUB_Indic2(psa, psc);
|
|
|
|
if (*pcGlyphs != cChars)
|
|
{
|
|
ERR("Number of Glyphs and Chars need to match at the beginning\n");
|
|
return;
|
|
}
|
|
|
|
input = heap_alloc(3 * cChars * sizeof(*input));
|
|
memcpy(input, pwcChars, cChars * sizeof(WCHAR));
|
|
|
|
/* Step 1: Decompose Vowels */
|
|
DecomposeVowels(hdc, input, &cCount, Kannada_vowels, pwLogClust, cChars);
|
|
TRACE("New composed string %s (%i)\n",debugstr_wn(input,cCount),cCount);
|
|
|
|
/* Step 2: Reorder within Syllables */
|
|
Indic_ReorderCharacters( hdc, psa, psc, input, cCount, &syllables, &syllable_count, kannada_lex, Reorder_Like_Kannada, modern);
|
|
TRACE("reordered string %s\n",debugstr_wn(input,cCount));
|
|
GetGlyphIndicesW(hdc, input, cCount, pwOutGlyphs, 0);
|
|
*pcGlyphs = cCount;
|
|
|
|
/* Step 3: Base Form application to syllables */
|
|
ShapeIndicSyllables(hdc, psc, psa, input, cChars, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, kannada_lex, SecondReorder_Like_Telugu, modern);
|
|
|
|
heap_free(input);
|
|
heap_free(syllables);
|
|
}
|
|
|
|
static int malayalam_lex(WCHAR c)
|
|
{
|
|
return unicode_lex(c);
|
|
}
|
|
|
|
static const VowelComponents Malayalam_vowels[] = {
|
|
{0x0D4A, {0x0D46,0x0D3E,0x0000}},
|
|
{0x0D4B, {0x0D47,0x0D3E,0x0000}},
|
|
{0x0D4C, {0x0D46,0x0D57,0x0000}},
|
|
{0x0000, {0x0000,0x0000,0x0000}}};
|
|
|
|
static void ContextualShape_Malayalam(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust)
|
|
{
|
|
int cCount = cChars;
|
|
WCHAR *input;
|
|
IndicSyllable *syllables = NULL;
|
|
int syllable_count = 0;
|
|
BOOL modern = get_GSUB_Indic2(psa, psc);
|
|
|
|
if (*pcGlyphs != cChars)
|
|
{
|
|
ERR("Number of Glyphs and Chars need to match at the beginning\n");
|
|
return;
|
|
}
|
|
|
|
input = heap_alloc(2 * cChars * sizeof(*input));
|
|
memcpy(input, pwcChars, cChars * sizeof(WCHAR));
|
|
|
|
/* Step 1: Decompose Vowels */
|
|
DecomposeVowels(hdc, input, &cCount, Malayalam_vowels, pwLogClust, cChars);
|
|
TRACE("New composed string %s (%i)\n",debugstr_wn(input,cCount),cCount);
|
|
|
|
/* Step 2: Reorder within Syllables */
|
|
Indic_ReorderCharacters( hdc, psa, psc, input, cCount, &syllables, &syllable_count, malayalam_lex, Reorder_Like_Devanagari, modern);
|
|
TRACE("reordered string %s\n",debugstr_wn(input,cCount));
|
|
GetGlyphIndicesW(hdc, input, cCount, pwOutGlyphs, 0);
|
|
*pcGlyphs = cCount;
|
|
|
|
/* Step 3: Base Form application to syllables */
|
|
ShapeIndicSyllables(hdc, psc, psa, input, cChars, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, malayalam_lex, SecondReorder_Like_Tamil, modern);
|
|
|
|
heap_free(input);
|
|
heap_free(syllables);
|
|
}
|
|
|
|
static int khmer_lex(WCHAR c)
|
|
{
|
|
return unicode_lex(c);
|
|
}
|
|
|
|
static void ContextualShape_Khmer(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust)
|
|
{
|
|
int cCount = cChars;
|
|
WCHAR *input;
|
|
IndicSyllable *syllables = NULL;
|
|
int syllable_count = 0;
|
|
|
|
if (*pcGlyphs != cChars)
|
|
{
|
|
ERR("Number of Glyphs and Chars need to match at the beginning\n");
|
|
return;
|
|
}
|
|
|
|
input = heap_alloc(cChars * sizeof(*input));
|
|
memcpy(input, pwcChars, cChars * sizeof(WCHAR));
|
|
|
|
/* Step 1: Reorder within Syllables */
|
|
Indic_ReorderCharacters( hdc, psa, psc, input, cCount, &syllables, &syllable_count, khmer_lex, Reorder_Like_Devanagari, FALSE);
|
|
TRACE("reordered string %s\n",debugstr_wn(input,cCount));
|
|
GetGlyphIndicesW(hdc, input, cCount, pwOutGlyphs, 0);
|
|
*pcGlyphs = cCount;
|
|
|
|
/* Step 2: Base Form application to syllables */
|
|
ShapeIndicSyllables(hdc, psc, psa, input, cChars, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, khmer_lex, NULL, FALSE);
|
|
|
|
heap_free(input);
|
|
heap_free(syllables);
|
|
}
|
|
|
|
static inline BOOL mongolian_wordbreak(WCHAR chr)
|
|
{
|
|
return ((chr == 0x0020) || (chr == 0x200C) || (chr == 0x202F) || (chr == 0x180E) || (chr == 0x1800) || (chr == 0x1802) || (chr == 0x1803) || (chr == 0x1805) || (chr == 0x1808) || (chr == 0x1809) || (chr == 0x1807));
|
|
}
|
|
|
|
static void ContextualShape_Mongolian(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust)
|
|
{
|
|
INT *context_shape;
|
|
INT dirL;
|
|
int i;
|
|
int char_index;
|
|
int glyph_index;
|
|
|
|
if (*pcGlyphs != cChars)
|
|
{
|
|
ERR("Number of Glyphs and Chars need to match at the beginning\n");
|
|
return;
|
|
}
|
|
|
|
if (!psa->fLogicalOrder && psa->fRTL)
|
|
dirL = -1;
|
|
else
|
|
dirL = 1;
|
|
|
|
if (!psc->GSUB_Table)
|
|
return;
|
|
|
|
context_shape = heap_alloc(cChars * sizeof(*context_shape));
|
|
|
|
for (i = 0; i < cChars; i++)
|
|
{
|
|
if (i == 0 || mongolian_wordbreak(pwcChars[i-1]))
|
|
{
|
|
if ((i == cChars-1) || mongolian_wordbreak(pwcChars[i+1]))
|
|
context_shape[i] = Xn;
|
|
else
|
|
context_shape[i] = Xl;
|
|
}
|
|
else
|
|
{
|
|
if ((i == cChars-1) || mongolian_wordbreak(pwcChars[i+1]))
|
|
context_shape[i] = Xr;
|
|
else
|
|
context_shape[i] = Xm;
|
|
}
|
|
}
|
|
|
|
/* Contextual Shaping */
|
|
if (dirL > 0)
|
|
char_index = glyph_index = 0;
|
|
else
|
|
char_index = glyph_index = cChars-1;
|
|
|
|
while(char_index < cChars && char_index >= 0)
|
|
{
|
|
INT nextIndex;
|
|
INT prevCount = *pcGlyphs;
|
|
nextIndex = apply_GSUB_feature_to_glyph(hdc, psa, psc, pwOutGlyphs, glyph_index, dirL, pcGlyphs, contextual_features[context_shape[char_index]]);
|
|
|
|
if (nextIndex > GSUB_E_NOGLYPH)
|
|
{
|
|
UpdateClusters(nextIndex, *pcGlyphs - prevCount, dirL, cChars, pwLogClust);
|
|
glyph_index = nextIndex;
|
|
char_index += dirL;
|
|
}
|
|
else
|
|
{
|
|
char_index += dirL;
|
|
glyph_index += dirL;
|
|
}
|
|
}
|
|
|
|
heap_free(context_shape);
|
|
}
|
|
|
|
static void ShapeCharGlyphProp_Default( ScriptCache* psc, SCRIPT_ANALYSIS* psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD* pwLogClust, SCRIPT_CHARPROP* pCharProp, SCRIPT_GLYPHPROP* pGlyphProp)
|
|
{
|
|
int i,k;
|
|
|
|
for (i = 0; i < cGlyphs; i++)
|
|
{
|
|
int char_index[20];
|
|
int char_count = 0;
|
|
|
|
k = USP10_FindGlyphInLogClust(pwLogClust, cChars, i);
|
|
if (k>=0)
|
|
{
|
|
for (; k < cChars && pwLogClust[k] == i; k++)
|
|
char_index[char_count++] = k;
|
|
}
|
|
|
|
if (char_count == 0)
|
|
continue;
|
|
|
|
if (char_count ==1 && pwcChars[char_index[0]] == 0x0020) /* space */
|
|
{
|
|
pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_BLANK;
|
|
pCharProp[char_index[0]].fCanGlyphAlone = 1;
|
|
}
|
|
else
|
|
pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_CHARACTER;
|
|
}
|
|
|
|
OpenType_GDEF_UpdateGlyphProps(psc, pwGlyphs, cGlyphs, pwLogClust, cChars, pGlyphProp);
|
|
UpdateClustersFromGlyphProp(cGlyphs, cChars, pwLogClust, pGlyphProp);
|
|
}
|
|
|
|
static void ShapeCharGlyphProp_Latin( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp )
|
|
{
|
|
int i;
|
|
|
|
ShapeCharGlyphProp_Default( psc, psa, pwcChars, cChars, pwGlyphs, cGlyphs, pwLogClust, pCharProp, pGlyphProp);
|
|
|
|
for (i = 0; i < cGlyphs; i++)
|
|
if (pGlyphProp[i].sva.fZeroWidth)
|
|
pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_NONE;
|
|
}
|
|
|
|
static void ShapeCharGlyphProp_Control( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp )
|
|
{
|
|
int i;
|
|
for (i = 0; i < cGlyphs; i++)
|
|
{
|
|
pGlyphProp[i].sva.fClusterStart = 1;
|
|
pGlyphProp[i].sva.fDiacritic = 0;
|
|
pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_BLANK;
|
|
|
|
if (pwGlyphs[i] == psc->sfp.wgDefault)
|
|
pGlyphProp[i].sva.fZeroWidth = 0;
|
|
else
|
|
pGlyphProp[i].sva.fZeroWidth = 1;
|
|
}
|
|
}
|
|
|
|
static void ShapeCharGlyphProp_Arabic( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp )
|
|
{
|
|
int i,k;
|
|
int initGlyph, finaGlyph;
|
|
INT dirR, dirL;
|
|
BYTE *spaces;
|
|
|
|
spaces = heap_alloc(cGlyphs);
|
|
memset(spaces,0,cGlyphs);
|
|
|
|
if (psa->fLogicalOrder && psa->fRTL)
|
|
{
|
|
initGlyph = 0;
|
|
finaGlyph = cGlyphs-1;
|
|
dirR = -1;
|
|
dirL = 1;
|
|
}
|
|
else
|
|
{
|
|
initGlyph = cGlyphs-1;
|
|
finaGlyph = 0;
|
|
dirR = 1;
|
|
dirL = -1;
|
|
}
|
|
|
|
for (i = 0; i < cGlyphs; i++)
|
|
{
|
|
for (k = 0; k < cChars; k++)
|
|
if (pwLogClust[k] == i)
|
|
{
|
|
if (pwcChars[k] == 0x0020)
|
|
spaces[i] = 1;
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < cGlyphs; i++)
|
|
{
|
|
int char_index[20];
|
|
int char_count = 0;
|
|
BOOL isInit, isFinal;
|
|
|
|
k = USP10_FindGlyphInLogClust(pwLogClust, cChars, i);
|
|
if (k>=0)
|
|
{
|
|
for (; k < cChars && pwLogClust[k] == i; k++)
|
|
char_index[char_count++] = k;
|
|
}
|
|
|
|
isInit = (i == initGlyph || (i+dirR > 0 && i+dirR < cGlyphs && spaces[i+dirR]));
|
|
isFinal = (i == finaGlyph || (i+dirL > 0 && i+dirL < cGlyphs && spaces[i+dirL]));
|
|
|
|
if (char_count == 0)
|
|
continue;
|
|
|
|
if (char_count == 1)
|
|
{
|
|
if (pwcChars[char_index[0]] == 0x0020) /* space */
|
|
{
|
|
pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_ARABIC_BLANK;
|
|
pCharProp[char_index[0]].fCanGlyphAlone = 1;
|
|
}
|
|
else if (pwcChars[char_index[0]] == 0x0640) /* kashida */
|
|
pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_ARABIC_KASHIDA;
|
|
else if (pwcChars[char_index[0]] == 0x0633) /* SEEN */
|
|
{
|
|
if (!isInit && !isFinal)
|
|
pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_ARABIC_SEEN_M;
|
|
else if (isInit)
|
|
pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_ARABIC_SEEN;
|
|
else
|
|
pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_NONE;
|
|
}
|
|
else if (!isInit)
|
|
{
|
|
if (pwcChars[char_index[0]] == 0x0628 ) /* BA */
|
|
pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_ARABIC_BA;
|
|
else if (pwcChars[char_index[0]] == 0x0631 ) /* RA */
|
|
pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_ARABIC_RA;
|
|
else if (pwcChars[char_index[0]] == 0x0647 ) /* HA */
|
|
pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_ARABIC_HA;
|
|
else if ((pwcChars[char_index[0]] == 0x0627 || pwcChars[char_index[0]] == 0x0625 || pwcChars[char_index[0]] == 0x0623 || pwcChars[char_index[0]] == 0x0622) ) /* alef-like */
|
|
pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_ARABIC_ALEF;
|
|
else
|
|
pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_NONE;
|
|
}
|
|
else if (!isInit && !isFinal)
|
|
pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_ARABIC_NORMAL;
|
|
else
|
|
pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_NONE;
|
|
}
|
|
else if (char_count == 2)
|
|
{
|
|
if ((pwcChars[char_index[0]] == 0x0628 && pwcChars[char_index[1]]== 0x0631) || (pwcChars[char_index[0]] == 0x0631 && pwcChars[char_index[1]]== 0x0628)) /* BA+RA */
|
|
pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_ARABIC_BARA;
|
|
else if (!isInit)
|
|
pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_ARABIC_NORMAL;
|
|
else
|
|
pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_NONE;
|
|
}
|
|
else if (!isInit && !isFinal)
|
|
pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_ARABIC_NORMAL;
|
|
else
|
|
pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_NONE;
|
|
}
|
|
|
|
OpenType_GDEF_UpdateGlyphProps(psc, pwGlyphs, cGlyphs, pwLogClust, cChars, pGlyphProp);
|
|
UpdateClustersFromGlyphProp(cGlyphs, cChars, pwLogClust, pGlyphProp);
|
|
heap_free(spaces);
|
|
}
|
|
|
|
static void ShapeCharGlyphProp_Hebrew( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp )
|
|
{
|
|
int i,k;
|
|
|
|
for (i = 0; i < cGlyphs; i++)
|
|
{
|
|
int char_index[20];
|
|
int char_count = 0;
|
|
|
|
k = USP10_FindGlyphInLogClust(pwLogClust, cChars, i);
|
|
if (k>=0)
|
|
{
|
|
for (; k < cChars && pwLogClust[k] == i; k++)
|
|
char_index[char_count++] = k;
|
|
}
|
|
|
|
if (char_count == 0)
|
|
pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_NONE;
|
|
else
|
|
{
|
|
pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_CHARACTER;
|
|
if (char_count ==1 && pwcChars[char_index[0]] == 0x0020) /* space */
|
|
pCharProp[char_index[0]].fCanGlyphAlone = 1;
|
|
}
|
|
}
|
|
|
|
OpenType_GDEF_UpdateGlyphProps(psc, pwGlyphs, cGlyphs, pwLogClust, cChars, pGlyphProp);
|
|
UpdateClustersFromGlyphProp(cGlyphs, cChars, pwLogClust, pGlyphProp);
|
|
}
|
|
|
|
static void ShapeCharGlyphProp_Thai( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp )
|
|
{
|
|
int i;
|
|
int finaGlyph;
|
|
INT dirL;
|
|
|
|
if (!psa->fLogicalOrder && psa->fRTL)
|
|
{
|
|
finaGlyph = 0;
|
|
dirL = -1;
|
|
}
|
|
else
|
|
{
|
|
finaGlyph = cGlyphs-1;
|
|
dirL = 1;
|
|
}
|
|
|
|
OpenType_GDEF_UpdateGlyphProps(psc, pwGlyphs, cGlyphs, pwLogClust, cChars, pGlyphProp);
|
|
|
|
for (i = 0; i < cGlyphs; i++)
|
|
{
|
|
int k;
|
|
int char_index[20];
|
|
int char_count = 0;
|
|
|
|
k = USP10_FindGlyphInLogClust(pwLogClust, cChars, i);
|
|
if (k>=0)
|
|
{
|
|
for (; k < cChars && pwLogClust[k] == i; k++)
|
|
char_index[char_count++] = k;
|
|
}
|
|
|
|
if (i == finaGlyph)
|
|
pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_NONE;
|
|
else
|
|
pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_CHARACTER;
|
|
|
|
if (char_count == 0)
|
|
continue;
|
|
|
|
if (char_count ==1 && pwcChars[char_index[0]] == 0x0020) /* space */
|
|
pCharProp[char_index[0]].fCanGlyphAlone = 1;
|
|
|
|
/* handle Thai SARA AM (U+0E33) differently than GDEF */
|
|
if (char_count == 1 && pwcChars[char_index[0]] == 0x0e33)
|
|
pGlyphProp[i].sva.fClusterStart = 0;
|
|
}
|
|
|
|
UpdateClustersFromGlyphProp(cGlyphs, cChars, pwLogClust, pGlyphProp);
|
|
|
|
/* Do not allow justification between marks and their base */
|
|
for (i = 0; i < cGlyphs; i++)
|
|
{
|
|
if (!pGlyphProp[i].sva.fClusterStart)
|
|
pGlyphProp[i-dirL].sva.uJustification = SCRIPT_JUSTIFY_NONE;
|
|
}
|
|
}
|
|
|
|
static void ShapeCharGlyphProp_None( HDC hdc, ScriptCache* psc, SCRIPT_ANALYSIS* psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD* pwLogClust, SCRIPT_CHARPROP* pCharProp, SCRIPT_GLYPHPROP* pGlyphProp)
|
|
{
|
|
int i,k;
|
|
|
|
for (i = 0; i < cGlyphs; i++)
|
|
{
|
|
int char_index[20];
|
|
int char_count = 0;
|
|
|
|
k = USP10_FindGlyphInLogClust(pwLogClust, cChars, i);
|
|
if (k>=0)
|
|
{
|
|
for (; k < cChars && pwLogClust[k] == i; k++)
|
|
char_index[char_count++] = k;
|
|
}
|
|
|
|
if (char_count == 0)
|
|
continue;
|
|
|
|
if (char_count ==1 && pwcChars[char_index[0]] == 0x0020) /* space */
|
|
{
|
|
pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_CHARACTER;
|
|
pCharProp[char_index[0]].fCanGlyphAlone = 1;
|
|
}
|
|
else
|
|
pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_NONE;
|
|
}
|
|
OpenType_GDEF_UpdateGlyphProps(psc, pwGlyphs, cGlyphs, pwLogClust, cChars, pGlyphProp);
|
|
UpdateClustersFromGlyphProp(cGlyphs, cChars, pwLogClust, pGlyphProp);
|
|
}
|
|
|
|
static void ShapeCharGlyphProp_Tibet( HDC hdc, ScriptCache* psc, SCRIPT_ANALYSIS* psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD* pwLogClust, SCRIPT_CHARPROP* pCharProp, SCRIPT_GLYPHPROP* pGlyphProp)
|
|
{
|
|
int i,k;
|
|
|
|
for (i = 0; i < cGlyphs; i++)
|
|
{
|
|
int char_index[20];
|
|
int char_count = 0;
|
|
|
|
k = USP10_FindGlyphInLogClust(pwLogClust, cChars, i);
|
|
if (k>=0)
|
|
{
|
|
for (; k < cChars && pwLogClust[k] == i; k++)
|
|
char_index[char_count++] = k;
|
|
}
|
|
|
|
if (char_count == 0)
|
|
continue;
|
|
|
|
if (char_count ==1 && pwcChars[char_index[0]] == 0x0020) /* space */
|
|
{
|
|
pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_BLANK;
|
|
pCharProp[char_index[0]].fCanGlyphAlone = 1;
|
|
}
|
|
else
|
|
pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_NONE;
|
|
}
|
|
OpenType_GDEF_UpdateGlyphProps(psc, pwGlyphs, cGlyphs, pwLogClust, cChars, pGlyphProp);
|
|
UpdateClustersFromGlyphProp(cGlyphs, cChars, pwLogClust, pGlyphProp);
|
|
|
|
/* Tibeten script does not set sva.fDiacritic or sva.fZeroWidth */
|
|
for (i = 0; i < cGlyphs; i++)
|
|
{
|
|
if (!pGlyphProp[i].sva.fClusterStart)
|
|
{
|
|
pGlyphProp[i].sva.fDiacritic = 0;
|
|
pGlyphProp[i].sva.fZeroWidth = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void ShapeCharGlyphProp_BaseIndic( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp, lexical_function lexical, BOOL use_syllables, BOOL override_gsub)
|
|
{
|
|
int i,k;
|
|
|
|
OpenType_GDEF_UpdateGlyphProps(psc, pwGlyphs, cGlyphs, pwLogClust, cChars, pGlyphProp);
|
|
for (i = 0; i < cGlyphs; i++)
|
|
{
|
|
int char_index[20];
|
|
int char_count = 0;
|
|
|
|
k = USP10_FindGlyphInLogClust(pwLogClust, cChars, i);
|
|
if (k>=0)
|
|
{
|
|
for (; k < cChars && pwLogClust[k] == i; k++)
|
|
char_index[char_count++] = k;
|
|
}
|
|
|
|
if (override_gsub)
|
|
{
|
|
/* Most indic scripts do not set fDiacritic or fZeroWidth */
|
|
pGlyphProp[i].sva.fDiacritic = FALSE;
|
|
pGlyphProp[i].sva.fZeroWidth = FALSE;
|
|
}
|
|
|
|
if (char_count == 0)
|
|
{
|
|
pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_NONE;
|
|
continue;
|
|
}
|
|
|
|
if (char_count ==1 && pwcChars[char_index[0]] == 0x0020) /* space */
|
|
{
|
|
pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_BLANK;
|
|
pCharProp[char_index[0]].fCanGlyphAlone = 1;
|
|
}
|
|
else
|
|
pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_NONE;
|
|
|
|
pGlyphProp[i].sva.fClusterStart = 0;
|
|
for (k = 0; k < char_count && !pGlyphProp[i].sva.fClusterStart; k++)
|
|
switch (lexical(pwcChars[char_index[k]]))
|
|
{
|
|
case lex_Matra_pre:
|
|
case lex_Matra_post:
|
|
case lex_Matra_above:
|
|
case lex_Matra_below:
|
|
case lex_Modifier:
|
|
case lex_Halant:
|
|
break;
|
|
case lex_ZWJ:
|
|
case lex_ZWNJ:
|
|
/* check for dangling joiners */
|
|
if (pwcChars[char_index[k]-1] == 0x0020 || pwcChars[char_index[k]+1] == 0x0020)
|
|
pGlyphProp[i].sva.fClusterStart = 1;
|
|
else
|
|
k = char_count;
|
|
break;
|
|
default:
|
|
pGlyphProp[i].sva.fClusterStart = 1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (use_syllables)
|
|
{
|
|
IndicSyllable *syllables = NULL;
|
|
int syllable_count = 0;
|
|
BOOL modern = get_GSUB_Indic2(psa, psc);
|
|
|
|
Indic_ParseSyllables( hdc, psa, psc, pwcChars, cChars, &syllables, &syllable_count, lexical, modern);
|
|
|
|
for (i = 0; i < syllable_count; i++)
|
|
{
|
|
int j;
|
|
WORD g = pwLogClust[syllables[i].start];
|
|
for (j = syllables[i].start+1; j <= syllables[i].end; j++)
|
|
{
|
|
if (pwLogClust[j] != g)
|
|
{
|
|
pGlyphProp[pwLogClust[j]].sva.fClusterStart = 0;
|
|
pwLogClust[j] = g;
|
|
}
|
|
}
|
|
}
|
|
|
|
heap_free(syllables);
|
|
}
|
|
|
|
UpdateClustersFromGlyphProp(cGlyphs, cChars, pwLogClust, pGlyphProp);
|
|
}
|
|
|
|
static void ShapeCharGlyphProp_Sinhala( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp )
|
|
{
|
|
ShapeCharGlyphProp_BaseIndic(hdc, psc, psa, pwcChars, cChars, pwGlyphs, cGlyphs, pwLogClust, pCharProp, pGlyphProp, sinhala_lex, FALSE, FALSE);
|
|
}
|
|
|
|
static void ShapeCharGlyphProp_Devanagari( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp )
|
|
{
|
|
ShapeCharGlyphProp_BaseIndic(hdc, psc, psa, pwcChars, cChars, pwGlyphs, cGlyphs, pwLogClust, pCharProp, pGlyphProp, devanagari_lex, TRUE, TRUE);
|
|
}
|
|
|
|
static void ShapeCharGlyphProp_Bengali( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp )
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{
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ShapeCharGlyphProp_BaseIndic(hdc, psc, psa, pwcChars, cChars, pwGlyphs, cGlyphs, pwLogClust, pCharProp, pGlyphProp, bengali_lex, TRUE, TRUE);
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}
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static void ShapeCharGlyphProp_Gurmukhi( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp )
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{
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ShapeCharGlyphProp_BaseIndic(hdc, psc, psa, pwcChars, cChars, pwGlyphs, cGlyphs, pwLogClust, pCharProp, pGlyphProp, gurmukhi_lex, TRUE, TRUE);
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}
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static void ShapeCharGlyphProp_Gujarati( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp )
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{
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ShapeCharGlyphProp_BaseIndic(hdc, psc, psa, pwcChars, cChars, pwGlyphs, cGlyphs, pwLogClust, pCharProp, pGlyphProp, gujarati_lex, TRUE, TRUE);
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}
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static void ShapeCharGlyphProp_Oriya( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp )
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{
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ShapeCharGlyphProp_BaseIndic(hdc, psc, psa, pwcChars, cChars, pwGlyphs, cGlyphs, pwLogClust, pCharProp, pGlyphProp, oriya_lex, TRUE, TRUE);
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}
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static void ShapeCharGlyphProp_Tamil( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp )
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{
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ShapeCharGlyphProp_BaseIndic(hdc, psc, psa, pwcChars, cChars, pwGlyphs, cGlyphs, pwLogClust, pCharProp, pGlyphProp, tamil_lex, TRUE, TRUE);
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}
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static void ShapeCharGlyphProp_Telugu( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp )
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{
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ShapeCharGlyphProp_BaseIndic(hdc, psc, psa, pwcChars, cChars, pwGlyphs, cGlyphs, pwLogClust, pCharProp, pGlyphProp, telugu_lex, TRUE, TRUE);
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}
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static void ShapeCharGlyphProp_Kannada( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp )
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{
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ShapeCharGlyphProp_BaseIndic(hdc, psc, psa, pwcChars, cChars, pwGlyphs, cGlyphs, pwLogClust, pCharProp, pGlyphProp, kannada_lex, TRUE, TRUE);
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}
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static void ShapeCharGlyphProp_Malayalam( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp )
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{
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ShapeCharGlyphProp_BaseIndic(hdc, psc, psa, pwcChars, cChars, pwGlyphs, cGlyphs, pwLogClust, pCharProp, pGlyphProp, malayalam_lex, TRUE, TRUE);
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}
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static void ShapeCharGlyphProp_Khmer( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp )
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{
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ShapeCharGlyphProp_BaseIndic(hdc, psc, psa, pwcChars, cChars, pwGlyphs, cGlyphs, pwLogClust, pCharProp, pGlyphProp, khmer_lex, TRUE, TRUE);
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}
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void SHAPE_CharGlyphProp(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp)
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{
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load_ot_tables(hdc, psc);
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if (ShapingData[psa->eScript].charGlyphPropProc)
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ShapingData[psa->eScript].charGlyphPropProc(hdc, psc, psa, pwcChars, cChars, pwGlyphs, cGlyphs, pwLogClust, pCharProp, pGlyphProp);
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else
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ShapeCharGlyphProp_Default(psc, psa, pwcChars, cChars, pwGlyphs, cGlyphs, pwLogClust, pCharProp, pGlyphProp);
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}
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void SHAPE_ContextualShaping(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust)
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{
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load_ot_tables(hdc, psc);
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if (ShapingData[psa->eScript].contextProc)
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ShapingData[psa->eScript].contextProc(hdc, psc, psa, pwcChars, cChars, pwOutGlyphs, pcGlyphs, cMaxGlyphs, pwLogClust);
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}
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static void SHAPE_ApplyOpenTypeFeatures(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, INT cChars, const TEXTRANGE_PROPERTIES *rpRangeProperties, WORD *pwLogClust)
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{
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int i;
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INT dirL;
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if (!rpRangeProperties)
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return;
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load_ot_tables(hdc, psc);
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if (!psc->GSUB_Table)
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return;
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if (scriptInformation[psa->eScript].a.fRTL && (!psa->fLogicalOrder || !psa->fRTL))
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dirL = -1;
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else
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dirL = 1;
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for (i = 0; i < rpRangeProperties->cotfRecords; i++)
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{
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if (rpRangeProperties->potfRecords[i].lParameter > 0)
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apply_GSUB_feature(hdc, psa, psc, pwOutGlyphs, dirL, pcGlyphs, cChars, (const char*)&rpRangeProperties->potfRecords[i].tagFeature, pwLogClust);
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}
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}
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void SHAPE_ApplyDefaultOpentypeFeatures(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, INT cChars, WORD *pwLogClust)
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{
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const TEXTRANGE_PROPERTIES *rpRangeProperties;
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rpRangeProperties = &ShapingData[psa->eScript].defaultTextRange;
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SHAPE_ApplyOpenTypeFeatures(hdc, psc, psa, pwOutGlyphs, pcGlyphs, cMaxGlyphs, cChars, rpRangeProperties, pwLogClust);
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}
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void SHAPE_ApplyOpenTypePositions(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WORD* pwGlyphs, INT cGlyphs, int *piAdvance, GOFFSET *pGoffset )
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{
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const TEXTRANGE_PROPERTIES *rpRangeProperties = &ShapingData[psa->eScript].defaultGPOSTextRange;
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int i;
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load_ot_tables(hdc, psc);
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if (!psc->GPOS_Table || !psc->otm)
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return;
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for (i = 0; i < rpRangeProperties->cotfRecords; i++)
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{
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if (rpRangeProperties->potfRecords[i].lParameter > 0)
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{
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LoadedFeature *feature;
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feature = load_OT_feature(hdc, psa, psc, FEATURE_GPOS_TABLE, (const char*)&rpRangeProperties->potfRecords[i].tagFeature);
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if (!feature)
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continue;
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GPOS_apply_feature(psc, psc->otm, &psc->lf, psa, piAdvance, feature, pwGlyphs, cGlyphs, pGoffset);
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}
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}
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}
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HRESULT SHAPE_CheckFontForRequiredFeatures(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa)
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{
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LoadedFeature *feature;
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int i;
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if (!ShapingData[psa->eScript].requiredFeatures)
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return S_OK;
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load_ot_tables(hdc, psc);
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/* we need to have at least one of the required features */
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i = 0;
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while (ShapingData[psa->eScript].requiredFeatures[i])
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{
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feature = load_OT_feature(hdc, psa, psc, FEATURE_ALL_TABLES, ShapingData[psa->eScript].requiredFeatures[i]);
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if (feature)
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return S_OK;
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i++;
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}
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return USP_E_SCRIPT_NOT_IN_FONT;
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}
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HRESULT SHAPE_GetFontScriptTags( HDC hdc, ScriptCache *psc,
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SCRIPT_ANALYSIS *psa, int cMaxTags,
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OPENTYPE_TAG *pScriptTags, int *pcTags)
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{
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HRESULT hr;
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OPENTYPE_TAG searching = 0x00000000;
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load_ot_tables(hdc, psc);
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if (psa && scriptInformation[psa->eScript].scriptTag)
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searching = scriptInformation[psa->eScript].scriptTag;
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hr = OpenType_GetFontScriptTags(psc, searching, cMaxTags, pScriptTags, pcTags);
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if (FAILED(hr))
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*pcTags = 0;
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return hr;
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}
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HRESULT SHAPE_GetFontLanguageTags( HDC hdc, ScriptCache *psc,
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SCRIPT_ANALYSIS *psa, OPENTYPE_TAG tagScript,
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int cMaxTags, OPENTYPE_TAG *pLangSysTags,
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int *pcTags)
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{
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HRESULT hr;
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OPENTYPE_TAG searching = 0x00000000;
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BOOL fellback = FALSE;
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load_ot_tables(hdc, psc);
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if (psa && psc->userLang != 0)
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searching = psc->userLang;
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hr = OpenType_GetFontLanguageTags(psc, tagScript, searching, cMaxTags, pLangSysTags, pcTags);
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if (FAILED(hr))
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{
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fellback = TRUE;
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hr = OpenType_GetFontLanguageTags(psc, MS_MAKE_TAG('l','a','t','n'), searching, cMaxTags, pLangSysTags, pcTags);
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}
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if (FAILED(hr) || fellback)
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*pcTags = 0;
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if (SUCCEEDED(hr) && fellback && psa)
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hr = E_INVALIDARG;
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return hr;
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}
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HRESULT SHAPE_GetFontFeatureTags( HDC hdc, ScriptCache *psc,
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SCRIPT_ANALYSIS *psa, OPENTYPE_TAG tagScript,
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OPENTYPE_TAG tagLangSys, int cMaxTags,
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OPENTYPE_TAG *pFeatureTags, int *pcTags)
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{
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HRESULT hr;
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BOOL filter = FALSE;
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load_ot_tables(hdc, psc);
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if (psa && scriptInformation[psa->eScript].scriptTag)
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{
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FIXME("Filtering not implemented\n");
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filter = TRUE;
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}
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hr = OpenType_GetFontFeatureTags(psc, tagScript, tagLangSys, filter, 0x00000000, FEATURE_ALL_TABLES, cMaxTags, pFeatureTags, pcTags, NULL);
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if (FAILED(hr))
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*pcTags = 0;
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return hr;
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}
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