88 lines
3.1 KiB
C
88 lines
3.1 KiB
C
/*
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* Implementation of 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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#define MS_MAKE_TAG( _x1, _x2, _x3, _x4 ) \
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( ( (ULONG)_x4 << 24 ) | \
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( (ULONG)_x3 << 16 ) | \
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( (ULONG)_x2 << 8 ) | \
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(ULONG)_x1 )
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#define Script_Latin 1
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#define Script_CR 2
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#define Script_Numeric 3
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#define Script_Control 4
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#define Script_Punctuation 5
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#define Script_Arabic 6
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#define Script_Arabic_Numeric 7
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#define Script_Hebrew 8
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#define Script_Syriac 9
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#define Script_Persian 10
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#define Script_Thaana 11
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#define Script_Greek 12
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#define Script_Cyrillic 13
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#define Script_Armenian 14
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#define Script_Georgian 15
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/* Unicode Chapter 10 */
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#define Script_Sinhala 16
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#define Script_Tibetan 17
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#define Script_Tibetan_Numeric 18
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#define Script_Phags_pa 19
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/* Unicode Chapter 11 */
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#define Script_Thai 20
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#define Script_Thai_Numeric 21
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#define Script_Lao 22
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#define Script_Lao_Numeric 23
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#define GLYPH_BLOCK_SHIFT 8
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#define GLYPH_BLOCK_SIZE (1UL << GLYPH_BLOCK_SHIFT)
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#define GLYPH_BLOCK_MASK (GLYPH_BLOCK_SIZE - 1)
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#define GLYPH_MAX 65536
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typedef struct {
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char tag[4];
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LPCVOID feature;
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} LoadedFeature;
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typedef struct {
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LOGFONTW lf;
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TEXTMETRICW tm;
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WORD *glyphs[GLYPH_MAX / GLYPH_BLOCK_SIZE];
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ABC *widths[GLYPH_MAX / GLYPH_BLOCK_SIZE];
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LPVOID GSUB_Table;
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INT feature_count;
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LoadedFeature *features;
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OPENTYPE_TAG userScript;
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OPENTYPE_TAG userLang;
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} ScriptCache;
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#define odd(x) ((x) & 1)
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BOOL BIDI_DetermineLevels( LPCWSTR lpString, INT uCount, const SCRIPT_STATE *s,
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const SCRIPT_CONTROL *c, WORD *lpOutLevels );
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BOOL BIDI_GetStrengths(LPCWSTR lpString, INT uCount, const SCRIPT_CONTROL *c,
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WORD* lpStrength);
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INT BIDI_ReorderV2lLevel(int level, int *pIndexs, const BYTE* plevel, int cch, BOOL fReverse);
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INT BIDI_ReorderL2vLevel(int level, int *pIndexs, const BYTE* plevel, int cch, BOOL fReverse);
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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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void SHAPE_ApplyDefaultOpentypeFeatures(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, INT cChars, WORD *pwLogClust);
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HRESULT SHAPE_CheckFontForRequiredFeatures(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa);
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