Sweden-Number/dlls/usp10/usp10_internal.h

277 lines
11 KiB
C

/*
* Implementation of Uniscribe Script Processor (usp10.dll)
*
* Copyright 2010 CodeWeavers, Aric Stewart
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*
*/
#include "wine/list.h"
#define MS_MAKE_TAG( _x1, _x2, _x3, _x4 ) \
( ( (ULONG)_x4 << 24 ) | \
( (ULONG)_x3 << 16 ) | \
( (ULONG)_x2 << 8 ) | \
(ULONG)_x1 )
#ifndef ARRAY_SIZE
#define ARRAY_SIZE(array) (sizeof(array) / sizeof((array)[0]))
#endif
enum usp10_script
{
Script_Undefined = 0x00,
Script_Latin = 0x01,
Script_CR = 0x02,
Script_Numeric = 0x03,
Script_Control = 0x04,
Script_Punctuation = 0x05,
Script_Arabic = 0x06,
Script_Arabic_Numeric = 0x07,
Script_Hebrew = 0x08,
Script_Syriac = 0x09,
Script_Persian = 0x0a,
Script_Thaana = 0x0b,
Script_Greek = 0x0c,
Script_Cyrillic = 0x0d,
Script_Armenian = 0x0e,
Script_Georgian = 0x0f,
/* Unicode Chapter 10 */
Script_Sinhala = 0x10,
Script_Tibetan = 0x11,
Script_Tibetan_Numeric = 0x12,
Script_Phags_pa = 0x13,
/* Unicode Chapter 11 */
Script_Thai = 0x14,
Script_Thai_Numeric = 0x15,
Script_Lao = 0x16,
Script_Lao_Numeric = 0x17,
/* Unicode Chapter 9 */
Script_Devanagari = 0x18,
Script_Devanagari_Numeric = 0x19,
Script_Bengali = 0x1a,
Script_Bengali_Numeric = 0x1b,
Script_Bengali_Currency = 0x1c,
Script_Gurmukhi = 0x1d,
Script_Gurmukhi_Numeric = 0x1e,
Script_Gujarati = 0x1f,
Script_Gujarati_Numeric = 0x20,
Script_Gujarati_Currency = 0x21,
Script_Oriya = 0x22,
Script_Oriya_Numeric = 0x23,
Script_Tamil = 0x24,
Script_Tamil_Numeric = 0x25,
Script_Telugu = 0x26,
Script_Telugu_Numeric = 0x27,
Script_Kannada = 0x28,
Script_Kannada_Numeric = 0x29,
Script_Malayalam = 0x2a,
Script_Malayalam_Numeric = 0x2b,
/* More supplemental */
Script_Diacritical = 0x2c,
Script_Punctuation2 = 0x2d,
Script_Numeric2 = 0x2e,
/* Unicode Chapter 11 continued */
Script_Myanmar = 0x2f,
Script_Myanmar_Numeric = 0x30,
Script_Tai_Le = 0x31,
Script_New_Tai_Lue = 0x32,
Script_New_Tai_Lue_Numeric = 0x33,
Script_Khmer = 0x34,
Script_Khmer_Numeric = 0x35,
/* Unicode Chapter 12 */
Script_CJK_Han = 0x36,
Script_Ideograph = 0x37,
Script_Bopomofo = 0x38,
Script_Kana = 0x39,
Script_Hangul = 0x3a,
Script_Yi = 0x3b,
/* Unicode Chapter 13 */
Script_Ethiopic = 0x3c,
Script_Ethiopic_Numeric = 0x3d,
Script_Mongolian = 0x3e,
Script_Mongolian_Numeric = 0x3f,
Script_Tifinagh = 0x40,
Script_NKo = 0x41,
Script_Vai = 0x42,
Script_Vai_Numeric = 0x43,
Script_Cherokee = 0x44,
Script_Canadian = 0x45,
/* Unicode Chapter 14 */
Script_Ogham = 0x46,
Script_Runic = 0x47,
/* Unicode Chapter 15 */
Script_Braille = 0x48,
/* Unicode Chapter 16 */
Script_Surrogates = 0x49,
Script_Private = 0x4a,
/* Unicode Chapter 13 : Plane 1 */
Script_Deseret = 0x4b,
Script_Osmanya = 0x4c,
Script_Osmanya_Numeric = 0x4d,
/* Unicode Chapter 15 : Plane 1 */
Script_MathAlpha = 0x4e,
/* Additional Currency Scripts */
Script_Hebrew_Currency = 0x4f,
Script_Vietnamese_Currency = 0x50,
Script_Thai_Currency = 0x51,
};
#define GLYPH_BLOCK_SHIFT 8
#define GLYPH_BLOCK_SIZE (1UL << GLYPH_BLOCK_SHIFT)
#define GLYPH_BLOCK_MASK (GLYPH_BLOCK_SIZE - 1)
#define GLYPH_MAX 65536
#define NUM_PAGES 17
#define GSUB_E_NOFEATURE -20
#define GSUB_E_NOGLYPH -10
#define FEATURE_ALL_TABLES 0
#define FEATURE_GSUB_TABLE 1
#define FEATURE_GPOS_TABLE 2
typedef struct {
OPENTYPE_TAG tag;
CHAR tableType;
const void *feature;
INT lookup_count;
WORD *lookups;
} LoadedFeature;
typedef struct {
OPENTYPE_TAG tag;
const void *gsub_table;
const void *gpos_table;
BOOL features_initialized;
INT feature_count;
LoadedFeature *features;
} LoadedLanguage;
typedef struct {
OPENTYPE_TAG tag;
const void *gsub_table;
const void *gpos_table;
LoadedLanguage default_language;
BOOL languages_initialized;
LoadedLanguage *languages;
SIZE_T languages_size;
SIZE_T language_count;
} LoadedScript;
typedef struct {
WORD *glyphs[GLYPH_MAX / GLYPH_BLOCK_SIZE];
} CacheGlyphPage;
typedef struct {
struct list entry;
DWORD refcount;
LOGFONTW lf;
TEXTMETRICW tm;
OUTLINETEXTMETRICW *otm;
SCRIPT_FONTPROPERTIES sfp;
BOOL sfnt;
CacheGlyphPage *page[NUM_PAGES];
ABC *widths[GLYPH_MAX / GLYPH_BLOCK_SIZE];
void *GSUB_Table;
void *GDEF_Table;
void *CMAP_Table;
void *CMAP_format12_Table;
void *GPOS_Table;
BOOL scripts_initialized;
LoadedScript *scripts;
SIZE_T scripts_size;
SIZE_T script_count;
OPENTYPE_TAG userScript;
OPENTYPE_TAG userLang;
} ScriptCache;
typedef struct _scriptData
{
SCRIPT_ANALYSIS a;
SCRIPT_PROPERTIES props;
OPENTYPE_TAG scriptTag;
WCHAR fallbackFont[LF_FACESIZE];
} scriptData;
typedef struct {
INT start;
INT base;
INT ralf;
INT blwf;
INT pref;
INT end;
} IndicSyllable;
enum {lex_Halant, lex_Composed_Vowel, lex_Matra_post, lex_Matra_pre, lex_Matra_above, lex_Matra_below, lex_ZWJ, lex_ZWNJ, lex_NBSP, lex_Modifier, lex_Vowel, lex_Consonant, lex_Generic, lex_Ra, lex_Vedic, lex_Anudatta, lex_Nukta};
static inline BOOL is_consonant( int type )
{
return (type == lex_Ra || type == lex_Consonant);
}
static inline unsigned short get_table_entry( const unsigned short *table, WCHAR ch )
{
return table[table[table[ch >> 8] + ((ch >> 4) & 0x0f)] + (ch & 0xf)];
}
typedef int (*lexical_function)(WCHAR c);
typedef void (*reorder_function)(WCHAR *chars, IndicSyllable *syllable, lexical_function lex);
#define odd(x) ((x) & 1)
#define BIDI_STRONG 1
#define BIDI_WEAK 2
#define BIDI_NEUTRAL 0
BOOL usp10_array_reserve(void **elements, SIZE_T *capacity, SIZE_T count, SIZE_T size) DECLSPEC_HIDDEN;
int USP10_FindGlyphInLogClust(const WORD* pwLogClust, int cChars, WORD target) DECLSPEC_HIDDEN;
BOOL BIDI_DetermineLevels(const WCHAR *string, unsigned int count, const SCRIPT_STATE *s,
const SCRIPT_CONTROL *c, WORD *levels, WORD *overrides) DECLSPEC_HIDDEN;
BOOL BIDI_GetStrengths(const WCHAR *string, unsigned int count,
const SCRIPT_CONTROL *c, WORD *strength) DECLSPEC_HIDDEN;
INT BIDI_ReorderV2lLevel(int level, int *pIndexs, const BYTE* plevel, int cch, BOOL fReverse) DECLSPEC_HIDDEN;
INT BIDI_ReorderL2vLevel(int level, int *pIndexs, const BYTE* plevel, int cch, BOOL fReverse) DECLSPEC_HIDDEN;
void SHAPE_ContextualShaping(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust) DECLSPEC_HIDDEN;
void SHAPE_ApplyDefaultOpentypeFeatures(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, INT cChars, WORD *pwLogClust) DECLSPEC_HIDDEN;
void SHAPE_ApplyOpenTypePositions(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WORD* pwGlyphs, INT cGlyphs, int *piAdvance, GOFFSET *pGoffset ) DECLSPEC_HIDDEN;
HRESULT SHAPE_CheckFontForRequiredFeatures(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa) DECLSPEC_HIDDEN;
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) DECLSPEC_HIDDEN;
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) DECLSPEC_HIDDEN;
HRESULT SHAPE_GetFontScriptTags( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, int cMaxTags, OPENTYPE_TAG *pScriptTags, int *pcTags) DECLSPEC_HIDDEN;
HRESULT SHAPE_GetFontLanguageTags( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, OPENTYPE_TAG tagScript, int cMaxTags, OPENTYPE_TAG *pLangSysTags, int *pcTags) DECLSPEC_HIDDEN;
HRESULT SHAPE_GetFontFeatureTags( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, OPENTYPE_TAG tagScript, OPENTYPE_TAG tagLangSys, int cMaxTags, OPENTYPE_TAG *pFeatureTags, int *pcTags) DECLSPEC_HIDDEN;
void Indic_ReorderCharacters(HDC hdc, SCRIPT_ANALYSIS *psa, ScriptCache *psc, WCHAR *input, unsigned int cChars,
IndicSyllable **syllables, int *syllable_count, lexical_function lexical_f,
reorder_function reorder_f, BOOL modern) DECLSPEC_HIDDEN;
void Indic_ParseSyllables(HDC hdc, SCRIPT_ANALYSIS *psa, ScriptCache* psc, const WCHAR *input, unsigned int cChar,
IndicSyllable **syllables, int *syllable_count, lexical_function lex, BOOL modern) DECLSPEC_HIDDEN;
void BREAK_line(const WCHAR *chars, int count, const SCRIPT_ANALYSIS *sa, SCRIPT_LOGATTR *la) DECLSPEC_HIDDEN;
DWORD OpenType_CMAP_GetGlyphIndex(HDC hdc, ScriptCache *psc, DWORD utf32c, LPWORD pgi, DWORD flags) DECLSPEC_HIDDEN;
void OpenType_GDEF_UpdateGlyphProps(ScriptCache *psc, const WORD *pwGlyphs, const WORD cGlyphs, WORD* pwLogClust, const WORD cChars, SCRIPT_GLYPHPROP *pGlyphProp) DECLSPEC_HIDDEN;
int OpenType_apply_GSUB_lookup(const void *table, unsigned int lookup_index, WORD *glyphs,
unsigned int glyph_index, int write_dir, int *glyph_count) DECLSPEC_HIDDEN;
unsigned int OpenType_apply_GPOS_lookup(const ScriptCache *psc, const OUTLINETEXTMETRICW *otm,
const LOGFONTW *logfont, const SCRIPT_ANALYSIS *analysis, int *advance, unsigned int lookup_index,
const WORD *glyphs, unsigned int glyph_index, unsigned int glyph_count, GOFFSET *goffset) DECLSPEC_HIDDEN;
HRESULT OpenType_GetFontScriptTags(ScriptCache *psc, OPENTYPE_TAG searchingFor, int cMaxTags, OPENTYPE_TAG *pScriptTags, int *pcTags) DECLSPEC_HIDDEN;
HRESULT OpenType_GetFontLanguageTags(ScriptCache *psc, OPENTYPE_TAG script_tag, OPENTYPE_TAG searchingFor, int cMaxTags, OPENTYPE_TAG *pLanguageTags, int *pcTags) DECLSPEC_HIDDEN;
HRESULT OpenType_GetFontFeatureTags(ScriptCache *psc, OPENTYPE_TAG script_tag, OPENTYPE_TAG language_tag, BOOL filtered, OPENTYPE_TAG searchingFor, char tableType, int cMaxTags, OPENTYPE_TAG *pFeatureTags, int *pcTags, LoadedFeature** feature) DECLSPEC_HIDDEN;