/* * Implementation of Uniscribe Script Processor (usp10.dll) * * Copyright 2005 Steven Edwards for CodeWeavers * Copyright 2006 Hans Leidekker * 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 * * Notes: * Uniscribe allows for processing of complex scripts such as joining * and filtering characters and bi-directional text with custom line breaks. */ #include #include "windef.h" #include "winbase.h" #include "wingdi.h" #include "winuser.h" #include "winnls.h" #include "usp10.h" #include "usp10_internal.h" #include "wine/debug.h" #include "wine/unicode.h" WINE_DEFAULT_DEBUG_CHANNEL(uniscribe); typedef struct _scriptRange { WORD script; WORD rangeFirst; WORD rangeLast; WORD numericScript; WORD punctScript; } scriptRange; static const scriptRange scriptRanges[] = { /* Basic Latin: U+0000–U+007A */ /* Latin-1 Supplement: U+0080–U+00FF */ /* Latin Extended-A: U+0100–U+017F */ /* Latin Extended-B: U+0180–U+024F */ /* IPA Extensions: U+0250–U+02AF */ { Script_Latin, 0x00, 0x2af , Script_Numeric, Script_Punctuation}, /* Greek: U+0370–U+03FF */ { Script_Greek, 0x370, 0x3ff, 0, 0}, /* Cyrillic: U+0400–U+04FF */ /* Cyrillic Supplement: U+0500–U+052F */ { Script_Cyrillic, 0x400, 0x52f, 0, 0}, /* Armenian: U+0530–U+058F */ { Script_Armenian, 0x530, 0x58f, 0, 0}, /* Hebrew: U+0590–U+05FF */ { Script_Hebrew, 0x590, 0x5ff, 0, 0}, /* Arabic: U+0600–U+06FF */ { Script_Arabic, 0x600, 0x6ef, Script_Arabic_Numeric, 0}, /* Defined by Windows */ { Script_Persian, 0x6f0, 0x6f9, 0, 0}, /* Continue Arabic: U+0600–U+06FF */ { Script_Arabic, 0x6fa, 0x6ff, 0, 0}, /* Syriac: U+0700–U+074F*/ { Script_Syriac, 0x700, 0x74f, 0, 0}, /* Arabic Supplement: U+0750–U+077F */ { Script_Arabic, 0x750, 0x77f, 0, 0}, /* Thaana: U+0780–U+07BF */ { Script_Thaana, 0x780, 0x7bf, 0, 0}, /* Sinhala: U+0D80–U+0DFF */ { Script_Sinhala, 0xd80, 0xdff, 0, 0}, /* Thai: U+0E00–U+0E7F */ { Script_Thai, 0xe00, 0xe7f, Script_Thai_Numeric, 0}, /* Lao: U+0E80–U+0EFF */ { Script_Lao, 0xe80, 0xeff, Script_Lao_Numeric, 0}, /* Tibetan: U+0F00–U+0FFF */ { Script_Tibetan, 0xf00, 0xfff, Script_Tibetan_Numeric, 0}, /* Georgian: U+10A0–U+10FF */ { Script_Georgian, 0x10a0, 0x10ff, 0, 0}, /* Phonetic Extensions: U+1D00–U+1DBF */ { Script_Latin, 0x1d00, 0x1dbf, 0, 0}, /* Latin Extended Additional: U+1E00–U+1EFF */ { Script_Latin, 0x1e00, 0x1eff, 0, 0}, /* Greek Extended: U+1F00–U+1FFF */ { Script_Greek, 0x1f00, 0x1fff, 0, 0}, /* Latin Extended-C: U+2C60–U+2C7F */ { Script_Latin, 0x2c60, 0x2c7f, 0, 0}, /* Georgian: U+2D00–U+2D2F */ { Script_Georgian, 0x2d00, 0x2d2f, 0, 0}, /* Cyrillic Extended-A: U+2DE0–U+2DFF */ { Script_Cyrillic, 0x2de0, 0x2dff, 0, 0}, /* Cyrillic Extended-B: U+A640–U+A69F */ { Script_Cyrillic, 0xa640, 0xa69f, 0, 0}, /* Modifier Tone Letters: U+A700–U+A71F */ /* Latin Extended-D: U+A720–U+A7FF */ { Script_Latin, 0xa700, 0xa7ff, 0, 0}, /* Phags-pa: U+A840–U+A87F */ { Script_Phags_pa, 0xa840, 0xa87f, 0, 0}, /* Latin Ligatures: U+FB00–U+FB06 */ { Script_Latin, 0xfb00, 0xfb06, 0, 0}, /* Armenian ligatures U+FB13..U+FB17 */ { Script_Armenian, 0xfb13, 0xfb17, 0, 0}, /* Alphabetic Presentation Forms: U+FB1D–U+FB4F */ { Script_Hebrew, 0xfb1d, 0xfb4f, 0, 0}, /* Arabic Presentation Forms-A: U+FB50–U+FDFF*/ { Script_Arabic, 0xfb50, 0xfdff, 0, 0}, /* Arabic Presentation Forms-B: U+FE70–U+FEFF*/ { Script_Arabic, 0xfe70, 0xfeff, 0, 0}, /* END */ { SCRIPT_UNDEFINED, 0, 0, 0} }; typedef struct _scriptData { SCRIPT_ANALYSIS a; SCRIPT_PROPERTIES props; } scriptData; /* the must be in order so that the index matches the Script value */ static const scriptData scriptInformation[] = { {{SCRIPT_UNDEFINED, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_NEUTRAL, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}}, {{Script_Latin, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_ENGLISH, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0}}, {{Script_CR, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_NEUTRAL, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}}, {{Script_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_ENGLISH, 1, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}}, {{Script_Control, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_ENGLISH, 0, 1, 0, 0, ANSI_CHARSET, 1, 0, 0, 0, 0, 0, 1, 0, 0}}, {{Script_Punctuation, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_NEUTRAL, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}}, {{Script_Arabic, 1, 1, 0, 0, 0, 0, { 1,0,0,0,0,0,0,0,0,0,0}}, {LANG_ARABIC, 0, 1, 0, 0, ARABIC_CHARSET, 0, 0, 0, 0, 0, 0, 1, 1, 0}}, {{Script_Arabic_Numeric, 1, 1, 0, 0, 0, 0, { 1,0,0,0,0,0,0,0,0,0,0}}, {LANG_ARABIC, 1, 1, 0, 0, ARABIC_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0}}, {{Script_Hebrew, 1, 1, 0, 0, 0, 0, { 1,0,0,0,0,0,0,0,0,0,0}}, {LANG_HEBREW, 0, 1, 0, 1, HEBREW_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}}, {{Script_Syriac, 1, 1, 0, 0, 0, 0, { 1,0,0,0,0,0,0,0,0,0,0}}, {LANG_SYRIAC, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 1, 0}}, {{Script_Persian, 1, 1, 0, 0, 0, 0, { 1,0,0,0,0,0,0,0,0,0,0}}, {LANG_PERSIAN, 1, 1, 0, 0, ARABIC_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}}, {{Script_Thaana, 1, 1, 0, 0, 0, 0, { 1,0,0,0,0,0,0,0,0,0,0}}, {LANG_DIVEHI, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}}, {{Script_Greek, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_GREEK, 0, 0, 0, 0, GREEK_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}}, {{Script_Cyrillic, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_RUSSIAN, 0, 0, 0, 0, RUSSIAN_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}}, {{Script_Armenian, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_ARMENIAN, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0}}, {{Script_Georgian, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_GEORGIAN, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0}}, {{Script_Sinhala, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_SINHALESE, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}}, {{Script_Tibetan, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_TIBETAN, 0, 1, 1, 1, DEFAULT_CHARSET, 0, 0, 1, 0, 1, 0, 0, 0, 0}}, {{Script_Tibetan_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_TIBETAN, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}}, {{Script_Phags_pa, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_MONGOLIAN, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}}, {{Script_Thai, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_THAI, 0, 1, 1, 1, THAI_CHARSET, 0, 0, 1, 0, 1, 0, 0, 0, 1}}, {{Script_Thai_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_THAI, 1, 1, 0, 0, THAI_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}}, {{Script_Lao, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_LAO, 0, 1, 1, 1, DEFAULT_CHARSET, 0, 0, 1, 0, 1, 0, 0, 0, 0}}, {{Script_Lao_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_LAO, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}}, }; static const SCRIPT_PROPERTIES *script_props[] = { &scriptInformation[0].props, &scriptInformation[1].props, &scriptInformation[2].props, &scriptInformation[3].props, &scriptInformation[4].props, &scriptInformation[5].props, &scriptInformation[6].props, &scriptInformation[7].props, &scriptInformation[8].props, &scriptInformation[9].props, &scriptInformation[10].props, &scriptInformation[11].props, &scriptInformation[12].props, &scriptInformation[13].props, &scriptInformation[14].props, &scriptInformation[15].props, &scriptInformation[16].props, &scriptInformation[17].props, &scriptInformation[18].props, &scriptInformation[19].props, &scriptInformation[20].props, &scriptInformation[21].props, &scriptInformation[22].props, &scriptInformation[23].props }; typedef struct { int numGlyphs; WORD* glyphs; WORD* pwLogClust; int* piAdvance; SCRIPT_VISATTR* psva; GOFFSET* pGoffset; ABC* abc; } StringGlyphs; typedef struct { HDC hdc; BOOL invalid; int clip_len; ScriptCache *sc; int cItems; int cMaxGlyphs; SCRIPT_ITEM* pItem; int numItems; StringGlyphs* glyphs; SCRIPT_LOGATTR* logattrs; SIZE* sz; } StringAnalysis; static inline void *heap_alloc(SIZE_T size) { return HeapAlloc(GetProcessHeap(), 0, size); } static inline void *heap_alloc_zero(SIZE_T size) { return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size); } static inline void *heap_realloc_zero(LPVOID mem, SIZE_T size) { return HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, mem, size); } static inline BOOL heap_free(LPVOID mem) { return HeapFree(GetProcessHeap(), 0, mem); } static inline WCHAR get_cache_default_char(SCRIPT_CACHE *psc) { return ((ScriptCache *)*psc)->tm.tmDefaultChar; } static inline LONG get_cache_height(SCRIPT_CACHE *psc) { return ((ScriptCache *)*psc)->tm.tmHeight; } static inline BYTE get_cache_pitch_family(SCRIPT_CACHE *psc) { return ((ScriptCache *)*psc)->tm.tmPitchAndFamily; } static inline WORD get_cache_glyph(SCRIPT_CACHE *psc, WCHAR c) { WORD *block = ((ScriptCache *)*psc)->glyphs[c >> GLYPH_BLOCK_SHIFT]; if (!block) return 0; return block[c & GLYPH_BLOCK_MASK]; } static inline WORD set_cache_glyph(SCRIPT_CACHE *psc, WCHAR c, WORD glyph) { WORD **block = &((ScriptCache *)*psc)->glyphs[c >> GLYPH_BLOCK_SHIFT]; if (!*block && !(*block = heap_alloc_zero(sizeof(WORD) * GLYPH_BLOCK_SIZE))) return 0; return ((*block)[c & GLYPH_BLOCK_MASK] = glyph); } static inline BOOL get_cache_glyph_widths(SCRIPT_CACHE *psc, WORD glyph, ABC *abc) { static const ABC nil; ABC *block = ((ScriptCache *)*psc)->widths[glyph >> GLYPH_BLOCK_SHIFT]; if (!block || !memcmp(&block[glyph & GLYPH_BLOCK_MASK], &nil, sizeof(ABC))) return FALSE; memcpy(abc, &block[glyph & GLYPH_BLOCK_MASK], sizeof(ABC)); return TRUE; } static inline BOOL set_cache_glyph_widths(SCRIPT_CACHE *psc, WORD glyph, ABC *abc) { ABC **block = &((ScriptCache *)*psc)->widths[glyph >> GLYPH_BLOCK_SHIFT]; if (!*block && !(*block = heap_alloc_zero(sizeof(ABC) * GLYPH_BLOCK_SIZE))) return FALSE; memcpy(&(*block)[glyph & GLYPH_BLOCK_MASK], abc, sizeof(ABC)); return TRUE; } static HRESULT init_script_cache(const HDC hdc, SCRIPT_CACHE *psc) { ScriptCache *sc; if (!psc) return E_INVALIDARG; if (*psc) return S_OK; if (!hdc) return E_PENDING; if (!(sc = heap_alloc_zero(sizeof(ScriptCache)))) return E_OUTOFMEMORY; if (!GetTextMetricsW(hdc, &sc->tm)) { heap_free(sc); return E_INVALIDARG; } if (!GetObjectW(GetCurrentObject(hdc, OBJ_FONT), sizeof(LOGFONTW), &sc->lf)) { heap_free(sc); return E_INVALIDARG; } *psc = sc; TRACE("<- %p\n", sc); return S_OK; } static WCHAR mirror_char( WCHAR ch ) { extern const WCHAR wine_mirror_map[]; return ch + wine_mirror_map[wine_mirror_map[ch >> 8] + (ch & 0xff)]; } static WORD get_char_script( WCHAR ch) { WORD type = 0; int i; if (ch == 0xc || ch == 0x20 || ch == 0x202f) return Script_CR; GetStringTypeW(CT_CTYPE1, &ch, 1, &type); if (type == 0) return SCRIPT_UNDEFINED; if (type & C1_CNTRL) return Script_Control; i = 0; do { if (ch < scriptRanges[i].rangeFirst || scriptRanges[i].script == SCRIPT_UNDEFINED) break; if (ch >= scriptRanges[i].rangeFirst && ch <= scriptRanges[i].rangeLast) { if (scriptRanges[i].numericScript && type & C1_DIGIT) return scriptRanges[i].numericScript; if (scriptRanges[i].punctScript && type & C1_PUNCT) return scriptRanges[i].punctScript; return scriptRanges[i].script; } i++; } while (1); return SCRIPT_UNDEFINED; } /*********************************************************************** * DllMain * */ BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv) { switch(fdwReason) { case DLL_PROCESS_ATTACH: DisableThreadLibraryCalls(hInstDLL); break; case DLL_PROCESS_DETACH: break; } return TRUE; } /*********************************************************************** * ScriptFreeCache (USP10.@) * * Free a script cache. * * PARAMS * psc [I/O] Script cache. * * RETURNS * Success: S_OK * Failure: Non-zero HRESULT value. */ HRESULT WINAPI ScriptFreeCache(SCRIPT_CACHE *psc) { TRACE("%p\n", psc); if (psc && *psc) { unsigned int i; for (i = 0; i < GLYPH_MAX / GLYPH_BLOCK_SIZE; i++) { heap_free(((ScriptCache *)*psc)->glyphs[i]); heap_free(((ScriptCache *)*psc)->widths[i]); } heap_free(((ScriptCache *)*psc)->GSUB_Table); heap_free(((ScriptCache *)*psc)->features); heap_free(*psc); *psc = NULL; } return S_OK; } /*********************************************************************** * ScriptGetProperties (USP10.@) * * Retrieve a list of script properties. * * PARAMS * props [I] Pointer to an array of SCRIPT_PROPERTIES pointers. * num [I] Pointer to the number of scripts. * * RETURNS * Success: S_OK * Failure: Non-zero HRESULT value. * * NOTES * Behaviour matches WinXP. */ HRESULT WINAPI ScriptGetProperties(const SCRIPT_PROPERTIES ***props, int *num) { TRACE("(%p,%p)\n", props, num); if (!props && !num) return E_INVALIDARG; if (num) *num = sizeof(script_props)/sizeof(script_props[0]); if (props) *props = script_props; return S_OK; } /*********************************************************************** * ScriptGetFontProperties (USP10.@) * * Get information on special glyphs. * * PARAMS * hdc [I] Device context. * psc [I/O] Opaque pointer to a script cache. * sfp [O] Font properties structure. */ HRESULT WINAPI ScriptGetFontProperties(HDC hdc, SCRIPT_CACHE *psc, SCRIPT_FONTPROPERTIES *sfp) { HRESULT hr; TRACE("%p,%p,%p\n", hdc, psc, sfp); if (!sfp) return E_INVALIDARG; if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr; if (sfp->cBytes != sizeof(SCRIPT_FONTPROPERTIES)) return E_INVALIDARG; /* return something sensible? */ sfp->wgBlank = 0; sfp->wgDefault = get_cache_default_char(psc); sfp->wgInvalid = 0; sfp->wgKashida = 0xffff; sfp->iKashidaWidth = 0; return S_OK; } /*********************************************************************** * ScriptRecordDigitSubstitution (USP10.@) * * Record digit substitution settings for a given locale. * * PARAMS * locale [I] Locale identifier. * sds [I] Structure to record substitution settings. * * RETURNS * Success: S_OK * Failure: E_POINTER if sds is NULL, E_INVALIDARG otherwise. * * SEE ALSO * http://blogs.msdn.com/michkap/archive/2006/02/22/536877.aspx */ HRESULT WINAPI ScriptRecordDigitSubstitution(LCID locale, SCRIPT_DIGITSUBSTITUTE *sds) { DWORD plgid, sub; TRACE("0x%x, %p\n", locale, sds); /* This implementation appears to be correct for all languages, but it's * not clear if sds->DigitSubstitute is ever set to anything except * CONTEXT or NONE in reality */ if (!sds) return E_POINTER; locale = ConvertDefaultLocale(locale); if (!IsValidLocale(locale, LCID_INSTALLED)) return E_INVALIDARG; plgid = PRIMARYLANGID(LANGIDFROMLCID(locale)); sds->TraditionalDigitLanguage = plgid; if (plgid == LANG_ARABIC || plgid == LANG_FARSI) sds->NationalDigitLanguage = plgid; else sds->NationalDigitLanguage = LANG_ENGLISH; if (!GetLocaleInfoW(locale, LOCALE_IDIGITSUBSTITUTION | LOCALE_RETURN_NUMBER, (LPWSTR)&sub, sizeof(sub)/sizeof(WCHAR))) return E_INVALIDARG; switch (sub) { case 0: if (plgid == LANG_ARABIC || plgid == LANG_FARSI) sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_CONTEXT; else sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NONE; break; case 1: sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NONE; break; case 2: sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NATIONAL; break; default: sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_TRADITIONAL; break; } sds->dwReserved = 0; return S_OK; } /*********************************************************************** * ScriptApplyDigitSubstitution (USP10.@) * * Apply digit substitution settings. * * PARAMS * sds [I] Structure with recorded substitution settings. * sc [I] Script control structure. * ss [I] Script state structure. * * RETURNS * Success: S_OK * Failure: E_INVALIDARG if sds is invalid. Otherwise an HRESULT. */ HRESULT WINAPI ScriptApplyDigitSubstitution(const SCRIPT_DIGITSUBSTITUTE *sds, SCRIPT_CONTROL *sc, SCRIPT_STATE *ss) { SCRIPT_DIGITSUBSTITUTE psds; TRACE("%p, %p, %p\n", sds, sc, ss); if (!sc || !ss) return E_POINTER; if (!sds) { sds = &psds; if (ScriptRecordDigitSubstitution(LOCALE_USER_DEFAULT, &psds) != S_OK) return E_INVALIDARG; } sc->uDefaultLanguage = LANG_ENGLISH; sc->fContextDigits = 0; ss->fDigitSubstitute = 0; switch (sds->DigitSubstitute) { case SCRIPT_DIGITSUBSTITUTE_CONTEXT: case SCRIPT_DIGITSUBSTITUTE_NATIONAL: case SCRIPT_DIGITSUBSTITUTE_NONE: case SCRIPT_DIGITSUBSTITUTE_TRADITIONAL: return S_OK; default: return E_INVALIDARG; } } /*********************************************************************** * ScriptItemize (USP10.@) * * Split a Unicode string into shapeable parts. * * PARAMS * pwcInChars [I] String to split. * cInChars [I] Number of characters in pwcInChars. * cMaxItems [I] Maximum number of items to return. * psControl [I] Pointer to a SCRIPT_CONTROL structure. * psState [I] Pointer to a SCRIPT_STATE structure. * pItems [O] Buffer to receive SCRIPT_ITEM structures. * pcItems [O] Number of script items returned. * * RETURNS * Success: S_OK * Failure: Non-zero HRESULT value. */ HRESULT WINAPI ScriptItemize(const WCHAR *pwcInChars, int cInChars, int cMaxItems, const SCRIPT_CONTROL *psControl, const SCRIPT_STATE *psState, SCRIPT_ITEM *pItems, int *pcItems) { #define Numeric_space 0x0020 int cnt = 0, index = 0, str = 0; int New_Script = SCRIPT_UNDEFINED; WORD *levels = NULL; WORD *strength = NULL; WORD baselevel = 0; TRACE("%s,%d,%d,%p,%p,%p,%p\n", debugstr_wn(pwcInChars, cInChars), cInChars, cMaxItems, psControl, psState, pItems, pcItems); if (!pwcInChars || !cInChars || !pItems || cMaxItems < 2) return E_INVALIDARG; if (psState && psControl) { int i; levels = heap_alloc_zero(cInChars * sizeof(WORD)); if (!levels) return E_OUTOFMEMORY; BIDI_DetermineLevels(pwcInChars, cInChars, psState, psControl, levels); baselevel = levels[0]; for (i = 0; i < cInChars; i++) if (levels[i]!=levels[0]) break; if (i >= cInChars && !odd(baselevel)) { heap_free(levels); levels = NULL; } else { if (!psControl->fMergeNeutralItems) { strength = heap_alloc_zero(cInChars * sizeof(WORD)); BIDI_GetStrengths(pwcInChars, cInChars, psControl, strength); } } } while (pwcInChars[cnt] == Numeric_space && cnt < cInChars) cnt++; if (cnt == cInChars) /* All Spaces */ { cnt = 0; New_Script = get_char_script(pwcInChars[cnt]); } pItems[index].iCharPos = 0; pItems[index].a = scriptInformation[get_char_script(pwcInChars[cnt])].a; if (strength) str = strength[cnt]; cnt = 0; if (levels) { pItems[index].a.fRTL = odd(levels[cnt]); pItems[index].a.fLayoutRTL = odd(levels[cnt]); pItems[index].a.s.uBidiLevel = levels[cnt]; } else if (!pItems[index].a.s.uBidiLevel) { pItems[index].a.s.uBidiLevel = baselevel; pItems[index].a.fLayoutRTL = odd(baselevel); pItems[index].a.fRTL = odd(baselevel); } TRACE("New_Level=%i New_Strength=%i New_Script=%d, eScript=%d index=%d cnt=%d iCharPos=%d\n", levels?levels[cnt]:-1, str, New_Script, pItems[index].a.eScript, index, cnt, pItems[index].iCharPos); for (cnt=1; cnt < cInChars; cnt++) { if (levels && (levels[cnt] == pItems[index].a.s.uBidiLevel && (!strength || (strength[cnt] == 0 || strength[cnt] == str)))) continue; if(pwcInChars[cnt] != Numeric_space) New_Script = get_char_script(pwcInChars[cnt]); else if (levels) { int j = 1; while (cnt + j < cInChars - 1 && pwcInChars[cnt+j] == Numeric_space) j++; New_Script = get_char_script(pwcInChars[cnt+j]); } if ((levels && (levels[cnt] != pItems[index].a.s.uBidiLevel || (strength && (strength[cnt] != str)))) || New_Script != pItems[index].a.eScript || New_Script == Script_Control) { TRACE("New_Level = %i, New_Strength = %i, New_Script=%d, eScript=%d\n", levels?levels[cnt]:-1, strength?strength[cnt]:str, New_Script, pItems[index].a.eScript); if (strength && strength[cnt] != 0) str = strength[cnt]; index++; if (index+1 > cMaxItems) return E_OUTOFMEMORY; pItems[index].iCharPos = cnt; memset(&pItems[index].a, 0, sizeof(SCRIPT_ANALYSIS)); pItems[index].a = scriptInformation[New_Script].a; if (levels) { pItems[index].a.fRTL = odd(levels[cnt]); pItems[index].a.fLayoutRTL = odd(levels[cnt]); pItems[index].a.s.uBidiLevel = levels[cnt]; } else if (!pItems[index].a.s.uBidiLevel) { pItems[index].a.s.uBidiLevel = baselevel; pItems[index].a.fLayoutRTL = odd(baselevel); pItems[index].a.fRTL = odd(baselevel); } TRACE("index=%d cnt=%d iCharPos=%d\n", index, cnt, pItems[index].iCharPos); } } /* While not strictly necessary according to the spec, make sure the n+1 * item is set up to prevent random behaviour if the caller erroneously * checks the n+1 structure */ index++; memset(&pItems[index].a, 0, sizeof(SCRIPT_ANALYSIS)); TRACE("index=%d cnt=%d iCharPos=%d\n", index, cnt, pItems[index].iCharPos); /* Set one SCRIPT_STATE item being returned */ if (index + 1 > cMaxItems) return E_OUTOFMEMORY; if (pcItems) *pcItems = index; /* Set SCRIPT_ITEM */ pItems[index].iCharPos = cnt; /* the last item contains the ptr to the lastchar */ heap_free(levels); heap_free(strength); return S_OK; } /*********************************************************************** * ScriptStringAnalyse (USP10.@) * */ HRESULT WINAPI ScriptStringAnalyse(HDC hdc, const void *pString, int cString, int cGlyphs, int iCharset, DWORD dwFlags, int iReqWidth, SCRIPT_CONTROL *psControl, SCRIPT_STATE *psState, const int *piDx, SCRIPT_TABDEF *pTabdef, const BYTE *pbInClass, SCRIPT_STRING_ANALYSIS *pssa) { HRESULT hr = E_OUTOFMEMORY; StringAnalysis *analysis = NULL; int i, num_items = 255; TRACE("(%p,%p,%d,%d,%d,0x%x,%d,%p,%p,%p,%p,%p,%p)\n", hdc, pString, cString, cGlyphs, iCharset, dwFlags, iReqWidth, psControl, psState, piDx, pTabdef, pbInClass, pssa); if (iCharset != -1) { FIXME("Only Unicode strings are supported\n"); return E_INVALIDARG; } if (cString < 1 || !pString) return E_INVALIDARG; if ((dwFlags & SSA_GLYPHS) && !hdc) return E_PENDING; if (!(analysis = heap_alloc_zero(sizeof(StringAnalysis)))) return E_OUTOFMEMORY; if (!(analysis->pItem = heap_alloc_zero(num_items * sizeof(SCRIPT_ITEM) + 1))) goto error; /* FIXME: handle clipping */ analysis->clip_len = cString; analysis->hdc = hdc; hr = ScriptItemize(pString, cString, num_items, psControl, psState, analysis->pItem, &analysis->numItems); while (hr == E_OUTOFMEMORY) { SCRIPT_ITEM *tmp; num_items *= 2; if (!(tmp = heap_realloc_zero(analysis->pItem, num_items * sizeof(SCRIPT_ITEM) + 1))) goto error; analysis->pItem = tmp; hr = ScriptItemize(pString, cString, num_items, psControl, psState, analysis->pItem, &analysis->numItems); } if (hr != S_OK) goto error; if ((analysis->logattrs = heap_alloc(sizeof(SCRIPT_LOGATTR) * cString))) ScriptBreak(pString, cString, (SCRIPT_STRING_ANALYSIS)analysis, analysis->logattrs); else goto error; if (!(analysis->glyphs = heap_alloc_zero(sizeof(StringGlyphs) * analysis->numItems))) goto error; for (i = 0; i < analysis->numItems; i++) { SCRIPT_CACHE *sc = (SCRIPT_CACHE *)&analysis->sc; int cChar = analysis->pItem[i+1].iCharPos - analysis->pItem[i].iCharPos; int numGlyphs = 1.5 * cChar + 16; WORD *glyphs = heap_alloc_zero(sizeof(WORD) * numGlyphs); WORD *pwLogClust = heap_alloc_zero(sizeof(WORD) * cChar); int *piAdvance = heap_alloc_zero(sizeof(int) * numGlyphs); SCRIPT_VISATTR *psva = heap_alloc_zero(sizeof(SCRIPT_VISATTR) * cChar); GOFFSET *pGoffset = heap_alloc_zero(sizeof(GOFFSET) * numGlyphs); ABC *abc = heap_alloc_zero(sizeof(ABC)); int numGlyphsReturned; /* FIXME: non unicode strings */ const WCHAR* pStr = (const WCHAR*)pString; hr = ScriptShape(hdc, sc, &pStr[analysis->pItem[i].iCharPos], cChar, numGlyphs, &analysis->pItem[i].a, glyphs, pwLogClust, psva, &numGlyphsReturned); hr = ScriptPlace(hdc, sc, glyphs, numGlyphsReturned, psva, &analysis->pItem[i].a, piAdvance, pGoffset, abc); analysis->glyphs[i].numGlyphs = numGlyphsReturned; analysis->glyphs[i].glyphs = glyphs; analysis->glyphs[i].pwLogClust = pwLogClust; analysis->glyphs[i].piAdvance = piAdvance; analysis->glyphs[i].psva = psva; analysis->glyphs[i].pGoffset = pGoffset; analysis->glyphs[i].abc = abc; } *pssa = analysis; return S_OK; error: heap_free(analysis->glyphs); heap_free(analysis->logattrs); heap_free(analysis->pItem); heap_free(analysis->sc); heap_free(analysis); return hr; } /*********************************************************************** * ScriptStringOut (USP10.@) * * This function takes the output of ScriptStringAnalyse and joins the segments * of glyphs and passes the resulting string to ScriptTextOut. ScriptStringOut * only processes glyphs. * * Parameters: * ssa [I] buffer to hold the analysed string components * iX [I] X axis displacement for output * iY [I] Y axis displacement for output * uOptions [I] flags controling output processing * prc [I] rectangle coordinates * iMinSel [I] starting pos for substringing output string * iMaxSel [I] ending pos for substringing output string * fDisabled [I] controls text highlighting * * RETURNS * Success: S_OK * Failure: is the value returned by ScriptTextOut */ HRESULT WINAPI ScriptStringOut(SCRIPT_STRING_ANALYSIS ssa, int iX, int iY, UINT uOptions, const RECT *prc, int iMinSel, int iMaxSel, BOOL fDisabled) { StringAnalysis *analysis; WORD *glyphs; int item, cnt, x; HRESULT hr; TRACE("(%p,%d,%d,0x%1x,%p,%d,%d,%d)\n", ssa, iX, iY, uOptions, prc, iMinSel, iMaxSel, fDisabled); if (!(analysis = ssa)) return E_INVALIDARG; /* * Get storage for the output buffer for the consolidated strings */ cnt = 0; for (item = 0; item < analysis->numItems; item++) { cnt += analysis->glyphs[item].numGlyphs; } if (!(glyphs = heap_alloc(sizeof(WCHAR) * cnt))) return E_OUTOFMEMORY; /* * ScriptStringOut only processes glyphs hence set ETO_GLYPH_INDEX */ uOptions |= ETO_GLYPH_INDEX; analysis->pItem[0].a.fNoGlyphIndex = FALSE; /* say that we have glyphs */ /* * Copy the string items into the output buffer */ TRACE("numItems %d\n", analysis->numItems); cnt = 0; for (item = 0; item < analysis->numItems; item++) { memcpy(&glyphs[cnt], analysis->glyphs[item].glyphs, sizeof(WCHAR) * analysis->glyphs[item].numGlyphs); TRACE("Item %d, Glyphs %d ", item, analysis->glyphs[item].numGlyphs); for (x = cnt; x < analysis->glyphs[item].numGlyphs + cnt; x ++) TRACE("%04x", glyphs[x]); TRACE("\n"); cnt += analysis->glyphs[item].numGlyphs; /* point to the end of the copied text */ } hr = ScriptTextOut(analysis->hdc, (SCRIPT_CACHE *)&analysis->sc, iX, iY, uOptions, prc, &analysis->pItem->a, NULL, 0, glyphs, cnt, analysis->glyphs->piAdvance, NULL, analysis->glyphs->pGoffset); TRACE("ScriptTextOut hr=%08x\n", hr); /* * Free the output buffer and script cache */ heap_free(glyphs); return hr; } /*********************************************************************** * ScriptStringCPtoX (USP10.@) * */ HRESULT WINAPI ScriptStringCPtoX(SCRIPT_STRING_ANALYSIS ssa, int icp, BOOL fTrailing, int* pX) { int i, j; int runningX = 0; int runningCp = 0; StringAnalysis* analysis = ssa; BOOL itemTrailing; TRACE("(%p), %d, %d, (%p)\n", ssa, icp, fTrailing, pX); if (!ssa || !pX) return S_FALSE; /* icp out of range */ if(icp < 0) { analysis->invalid = TRUE; return E_INVALIDARG; } for(i=0; inumItems; i++) { if (analysis->pItem[i].a.fRTL) itemTrailing = !fTrailing; else itemTrailing = fTrailing; for(j=0; jglyphs[i].numGlyphs; j++) { if(runningCp == icp && itemTrailing == FALSE) { *pX = runningX; return S_OK; } runningX += analysis->glyphs[i].piAdvance[j]; if(runningCp == icp && itemTrailing == TRUE) { *pX = runningX; return S_OK; } runningCp++; } } /* icp out of range */ analysis->invalid = TRUE; return E_INVALIDARG; } /*********************************************************************** * ScriptStringXtoCP (USP10.@) * */ HRESULT WINAPI ScriptStringXtoCP(SCRIPT_STRING_ANALYSIS ssa, int iX, int* piCh, int* piTrailing) { StringAnalysis* analysis = ssa; int i; int j; int runningX = 0; int runningCp = 0; int width; TRACE("(%p), %d, (%p), (%p)\n", ssa, iX, piCh, piTrailing); if (!ssa || !piCh || !piTrailing) return S_FALSE; /* out of range */ if(iX < 0) { if (analysis->pItem[0].a.fRTL) { *piCh = 1; *piTrailing = FALSE; } else { *piCh = -1; *piTrailing = TRUE; } return S_OK; } for(i=0; inumItems; i++) { for(j=0; jglyphs[i].numGlyphs; j++) { width = analysis->glyphs[i].piAdvance[j]; if(iX < (runningX + width)) { *piCh = runningCp; if((iX - runningX) > width/2) *piTrailing = TRUE; else *piTrailing = FALSE; if (analysis->pItem[i].a.fRTL) *piTrailing = !*piTrailing; return S_OK; } runningX += width; runningCp++; } } /* out of range */ *piCh = analysis->pItem[analysis->numItems].iCharPos; *piTrailing = FALSE; return S_OK; } /*********************************************************************** * ScriptStringFree (USP10.@) * * Free a string analysis. * * PARAMS * pssa [I] string analysis. * * RETURNS * Success: S_OK * Failure: Non-zero HRESULT value. */ HRESULT WINAPI ScriptStringFree(SCRIPT_STRING_ANALYSIS *pssa) { StringAnalysis* analysis; BOOL invalid; int i; TRACE("(%p)\n", pssa); if (!pssa || !(analysis = *pssa)) return E_INVALIDARG; invalid = analysis->invalid; ScriptFreeCache((SCRIPT_CACHE *)&analysis->sc); for (i = 0; i < analysis->numItems; i++) { heap_free(analysis->glyphs[i].glyphs); heap_free(analysis->glyphs[i].pwLogClust); heap_free(analysis->glyphs[i].piAdvance); heap_free(analysis->glyphs[i].psva); heap_free(analysis->glyphs[i].pGoffset); heap_free(analysis->glyphs[i].abc); } heap_free(analysis->glyphs); heap_free(analysis->pItem); heap_free(analysis->logattrs); heap_free(analysis->sz); heap_free(analysis->sc); heap_free(analysis); if (invalid) return E_INVALIDARG; return S_OK; } /*********************************************************************** * ScriptCPtoX (USP10.@) * */ HRESULT WINAPI ScriptCPtoX(int iCP, BOOL fTrailing, int cChars, int cGlyphs, const WORD *pwLogClust, const SCRIPT_VISATTR *psva, const int *piAdvance, const SCRIPT_ANALYSIS *psa, int *piX) { int item; float iPosX; int iSpecial = -1; int iCluster = -1; int clust_size = 1; float special_size = 0.0; int iMaxPos = 0; BOOL rtl = FALSE; TRACE("(%d,%d,%d,%d,%p,%p,%p,%p,%p)\n", iCP, fTrailing, cChars, cGlyphs, pwLogClust, psva, piAdvance, psa, piX); if (psa->fRTL && ! psa->fLogicalOrder) rtl = TRUE; if (fTrailing) iCP++; if (rtl) { int max_clust = pwLogClust[0]; for (item=0; item < cGlyphs; item++) if (pwLogClust[item] > max_clust) { ERR("We do not handle non reversed clusters properly\n"); break; } iMaxPos = 0; for (item = max_clust; item >=0; item --) iMaxPos += piAdvance[item]; } iPosX = 0.0; for (item=0; item < iCP && item < cGlyphs; item++) { if (iSpecial == -1 && (iCluster == -1 || (iCluster != -1 && iCluster+clust_size <= item))) { int check; int clust = pwLogClust[item]; clust_size = 1; iCluster = -1; for (check = item+1; check < cGlyphs; check++) { if (pwLogClust[check] == clust) { clust_size ++; if (iCluster == -1) iCluster = item; } else break; } if (check >= cGlyphs && !iMaxPos) { for (check = clust; check < cGlyphs; check++) special_size += piAdvance[check]; iSpecial = item; special_size /= (cChars - item); iPosX += special_size; } else iPosX += piAdvance[clust] / (float)clust_size; } else if (iSpecial != -1) iPosX += special_size; else /* (iCluster != -1) */ iPosX += piAdvance[pwLogClust[iCluster]] / (float)clust_size; } if (iMaxPos > 0) { iPosX = iMaxPos - iPosX; if (iPosX < 0) iPosX = 0; } *piX = iPosX; TRACE("*piX=%d\n", *piX); return S_OK; } /*********************************************************************** * ScriptXtoCP (USP10.@) * */ HRESULT WINAPI ScriptXtoCP(int iX, int cChars, int cGlyphs, const WORD *pwLogClust, const SCRIPT_VISATTR *psva, const int *piAdvance, const SCRIPT_ANALYSIS *psa, int *piCP, int *piTrailing) { int item; int iPosX; float fMaxPosX = 1; float fAvePosX; TRACE("(%d,%d,%d,%p,%p,%p,%p,%p,%p)\n", iX, cChars, cGlyphs, pwLogClust, psva, piAdvance, psa, piCP, piTrailing); if (iX < 0) /* iX is before start of run */ { *piCP = -1; *piTrailing = TRUE; return S_OK; } for (item=0; item < cGlyphs; item++) /* total piAdvance */ fMaxPosX += piAdvance[item]; if (iX >= fMaxPosX) /* iX too large */ { *piCP = cChars; *piTrailing = FALSE; return S_OK; } fAvePosX = fMaxPosX / cGlyphs; iPosX = fAvePosX; for (item = 1; item < cGlyphs && iPosX < iX; item++) iPosX += fAvePosX; if (iPosX - iX > fAvePosX/2) *piTrailing = 0; else *piTrailing = 1; /* yep we are over halfway */ *piCP = item -1; /* Return character position */ TRACE("*piCP=%d iPposX=%d\n", *piCP, iPosX); return S_OK; } /*********************************************************************** * ScriptBreak (USP10.@) * * Retrieve line break information. * * PARAMS * chars [I] Array of characters. * sa [I] String analysis. * la [I] Array of logical attribute structures. * * RETURNS * Success: S_OK * Failure: S_FALSE */ HRESULT WINAPI ScriptBreak(const WCHAR *chars, int count, const SCRIPT_ANALYSIS *sa, SCRIPT_LOGATTR *la) { int i; TRACE("(%s, %d, %p, %p)\n", debugstr_wn(chars, count), count, sa, la); if (!la) return S_FALSE; for (i = 0; i < count; i++) { memset(&la[i], 0, sizeof(SCRIPT_LOGATTR)); /* FIXME: set the other flags */ la[i].fWhiteSpace = (chars[i] == ' '); la[i].fCharStop = 1; if (i > 0 && la[i - 1].fWhiteSpace) { la[i].fSoftBreak = 1; la[i].fWordStop = 1; } } return S_OK; } /*********************************************************************** * ScriptIsComplex (USP10.@) * * Determine if a string is complex. * * PARAMS * chars [I] Array of characters to test. * len [I] Length in characters. * flag [I] Flag. * * RETURNS * Success: S_OK * Failure: S_FALSE * */ HRESULT WINAPI ScriptIsComplex(const WCHAR *chars, int len, DWORD flag) { int i; TRACE("(%s,%d,0x%x)\n", debugstr_wn(chars, len), len, flag); for (i = 0; i < len; i++) { int script; if ((flag & SIC_ASCIIDIGIT) && chars[i] >= 0x30 && chars[i] <= 0x39) return S_OK; script = get_char_script(chars[i]); if ((scriptInformation[script].props.fComplex && (flag & SIC_COMPLEX))|| (!scriptInformation[script].props.fComplex && (flag & SIC_NEUTRAL))) return S_OK; } return S_FALSE; } /*********************************************************************** * ScriptShape (USP10.@) * * Produce glyphs and visual attributes for a run. * * PARAMS * hdc [I] Device context. * psc [I/O] Opaque pointer to a script cache. * pwcChars [I] Array of characters specifying the run. * cChars [I] Number of characters in pwcChars. * cMaxGlyphs [I] Length of pwOutGlyphs. * psa [I/O] Script analysis. * pwOutGlyphs [O] Array of glyphs. * pwLogClust [O] Array of logical cluster info. * psva [O] Array of visual attributes. * pcGlyphs [O] Number of glyphs returned. * * RETURNS * Success: S_OK * Failure: Non-zero HRESULT value. */ HRESULT WINAPI ScriptShape(HDC hdc, SCRIPT_CACHE *psc, const WCHAR *pwcChars, int cChars, int cMaxGlyphs, SCRIPT_ANALYSIS *psa, WORD *pwOutGlyphs, WORD *pwLogClust, SCRIPT_VISATTR *psva, int *pcGlyphs) { HRESULT hr; unsigned int i; BOOL rtl; TRACE("(%p, %p, %s, %d, %d, %p, %p, %p, %p, %p)\n", hdc, psc, debugstr_wn(pwcChars, cChars), cChars, cMaxGlyphs, psa, pwOutGlyphs, pwLogClust, psva, pcGlyphs); if (psa) TRACE("psa values: %d, %d, %d, %d, %d, %d, %d\n", psa->eScript, psa->fRTL, psa->fLayoutRTL, psa->fLinkBefore, psa->fLinkAfter, psa->fLogicalOrder, psa->fNoGlyphIndex); if (!psva || !pcGlyphs) return E_INVALIDARG; if (cChars > cMaxGlyphs) return E_OUTOFMEMORY; rtl = (!psa->fLogicalOrder && psa->fRTL); *pcGlyphs = cChars; if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr; if (!pwLogClust) return E_FAIL; /* Initialize a SCRIPT_VISATTR and LogClust for each char in this run */ for (i = 0; i < cChars; i++) { int idx = i; if (rtl) idx = cChars - 1 - i; /* FIXME: set to better values */ psva[i].uJustification = (pwcChars[idx] == ' ') ? SCRIPT_JUSTIFY_BLANK : SCRIPT_JUSTIFY_CHARACTER; psva[i].fClusterStart = 1; psva[i].fDiacritic = 0; psva[i].fZeroWidth = 0; psva[i].fReserved = 0; psva[i].fShapeReserved = 0; pwLogClust[i] = idx; } if (!psa->fNoGlyphIndex) { WCHAR *rChars; if ((hr = SHAPE_CheckFontForRequiredFeatures(hdc, (ScriptCache *)*psc, psa)) != S_OK) return hr; rChars = heap_alloc(sizeof(WCHAR) * cChars); if (!rChars) return E_OUTOFMEMORY; for (i = 0; i < cChars; i++) { int idx = i; WCHAR chInput; if (rtl) idx = cChars - 1 - i; if (psa->fRTL) chInput = mirror_char(pwcChars[idx]); else chInput = pwcChars[idx]; if (!(pwOutGlyphs[i] = get_cache_glyph(psc, chInput))) { WORD glyph; if (!hdc) return E_PENDING; if (GetGlyphIndicesW(hdc, &chInput, 1, &glyph, 0) == GDI_ERROR) return S_FALSE; pwOutGlyphs[i] = set_cache_glyph(psc, chInput, glyph); } rChars[i] = chInput; } if (get_cache_pitch_family(psc) & TMPF_TRUETYPE) { SHAPE_ContextualShaping(hdc, (ScriptCache *)*psc, psa, rChars, cChars, pwOutGlyphs, pcGlyphs, cMaxGlyphs, pwLogClust); SHAPE_ApplyDefaultOpentypeFeatures(hdc, (ScriptCache *)*psc, psa, pwOutGlyphs, pcGlyphs, cMaxGlyphs, cChars, pwLogClust); } heap_free(rChars); } else { TRACE("no glyph translation\n"); for (i = 0; i < cChars; i++) { int idx = i; /* No mirroring done here */ if (rtl) idx = cChars - 1 - i; pwOutGlyphs[i] = pwcChars[idx]; } } return S_OK; } /*********************************************************************** * ScriptPlace (USP10.@) * * Produce advance widths for a run. * * PARAMS * hdc [I] Device context. * psc [I/O] Opaque pointer to a script cache. * pwGlyphs [I] Array of glyphs. * cGlyphs [I] Number of glyphs in pwGlyphs. * psva [I] Array of visual attributes. * psa [I/O] String analysis. * piAdvance [O] Array of advance widths. * pGoffset [O] Glyph offsets. * pABC [O] Combined ABC width. * * RETURNS * Success: S_OK * Failure: Non-zero HRESULT value. */ HRESULT WINAPI ScriptPlace(HDC hdc, SCRIPT_CACHE *psc, const WORD *pwGlyphs, int cGlyphs, const SCRIPT_VISATTR *psva, SCRIPT_ANALYSIS *psa, int *piAdvance, GOFFSET *pGoffset, ABC *pABC ) { HRESULT hr; int i; TRACE("(%p, %p, %p, %d, %p, %p, %p, %p, %p)\n", hdc, psc, pwGlyphs, cGlyphs, psva, psa, piAdvance, pGoffset, pABC); if (!psva) return E_INVALIDARG; if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr; if (!pGoffset) return E_FAIL; if (pABC) memset(pABC, 0, sizeof(ABC)); for (i = 0; i < cGlyphs; i++) { ABC abc; if (!get_cache_glyph_widths(psc, pwGlyphs[i], &abc)) { if (!hdc) return E_PENDING; if ((get_cache_pitch_family(psc) & TMPF_TRUETYPE) && !psa->fNoGlyphIndex) { if (!GetCharABCWidthsI(hdc, 0, 1, (WORD *)&pwGlyphs[i], &abc)) return S_FALSE; } else { INT width; if (!GetCharWidth32W(hdc, pwGlyphs[i], pwGlyphs[i], &width)) return S_FALSE; abc.abcB = width; abc.abcA = abc.abcC = 0; } set_cache_glyph_widths(psc, pwGlyphs[i], &abc); } if (pABC) { pABC->abcA += abc.abcA; pABC->abcB += abc.abcB; pABC->abcC += abc.abcC; } /* FIXME: set to more reasonable values */ pGoffset[i].du = pGoffset[i].dv = 0; if (piAdvance) piAdvance[i] = abc.abcA + abc.abcB + abc.abcC; } if (pABC) TRACE("Total for run: abcA=%d, abcB=%d, abcC=%d\n", pABC->abcA, pABC->abcB, pABC->abcC); return S_OK; } /*********************************************************************** * ScriptGetCMap (USP10.@) * * Retrieve glyph indices. * * PARAMS * hdc [I] Device context. * psc [I/O] Opaque pointer to a script cache. * pwcInChars [I] Array of Unicode characters. * cChars [I] Number of characters in pwcInChars. * dwFlags [I] Flags. * pwOutGlyphs [O] Buffer to receive the array of glyph indices. * * RETURNS * Success: S_OK * Failure: Non-zero HRESULT value. */ HRESULT WINAPI ScriptGetCMap(HDC hdc, SCRIPT_CACHE *psc, const WCHAR *pwcInChars, int cChars, DWORD dwFlags, WORD *pwOutGlyphs) { HRESULT hr; int i; TRACE("(%p,%p,%s,%d,0x%x,%p)\n", hdc, psc, debugstr_wn(pwcInChars, cChars), cChars, dwFlags, pwOutGlyphs); if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr; hr = S_OK; if ((get_cache_pitch_family(psc) & TMPF_TRUETYPE)) { for (i = 0; i < cChars; i++) { WCHAR inChar; if (dwFlags == SGCM_RTL) inChar = mirror_char(pwcInChars[i]); else inChar = pwcInChars[i]; if (!(pwOutGlyphs[i] = get_cache_glyph(psc, inChar))) { WORD glyph; if (!hdc) return E_PENDING; if (GetGlyphIndicesW(hdc, &inChar, 1, &glyph, GGI_MARK_NONEXISTING_GLYPHS) == GDI_ERROR) return S_FALSE; if (glyph == 0xffff) { hr = S_FALSE; glyph = 0x0; } pwOutGlyphs[i] = set_cache_glyph(psc, inChar, glyph); } } } else { TRACE("no glyph translation\n"); for (i = 0; i < cChars; i++) { WCHAR inChar; if (dwFlags == SGCM_RTL) inChar = mirror_char(pwcInChars[i]); else inChar = pwcInChars[i]; pwOutGlyphs[i] = inChar; } } return hr; } /*********************************************************************** * ScriptTextOut (USP10.@) * */ HRESULT WINAPI ScriptTextOut(const HDC hdc, SCRIPT_CACHE *psc, int x, int y, UINT fuOptions, const RECT *lprc, const SCRIPT_ANALYSIS *psa, const WCHAR *pwcReserved, int iReserved, const WORD *pwGlyphs, int cGlyphs, const int *piAdvance, const int *piJustify, const GOFFSET *pGoffset) { HRESULT hr = S_OK; TRACE("(%p, %p, %d, %d, %04x, %p, %p, %p, %d, %p, %d, %p, %p, %p)\n", hdc, psc, x, y, fuOptions, lprc, psa, pwcReserved, iReserved, pwGlyphs, cGlyphs, piAdvance, piJustify, pGoffset); if (!hdc || !psc) return E_INVALIDARG; if (!piAdvance || !psa || !pwGlyphs) return E_INVALIDARG; fuOptions &= ETO_CLIPPED + ETO_OPAQUE; fuOptions |= ETO_IGNORELANGUAGE; if (!psa->fNoGlyphIndex) /* Have Glyphs? */ fuOptions |= ETO_GLYPH_INDEX; /* Say don't do translation to glyph */ if (psa->fRTL && psa->fLogicalOrder) { int i; WORD *rtlGlyphs; rtlGlyphs = heap_alloc(cGlyphs * sizeof(WORD)); if (!rtlGlyphs) return E_OUTOFMEMORY; for (i = 0; i < cGlyphs; i++) rtlGlyphs[i] = pwGlyphs[cGlyphs-1-i]; if (!ExtTextOutW(hdc, x, y, fuOptions, lprc, rtlGlyphs, cGlyphs, NULL)) hr = S_FALSE; heap_free(rtlGlyphs); } else if (!ExtTextOutW(hdc, x, y, fuOptions, lprc, pwGlyphs, cGlyphs, NULL)) hr = S_FALSE; return hr; } /*********************************************************************** * ScriptCacheGetHeight (USP10.@) * * Retrieve the height of the font in the cache. * * PARAMS * hdc [I] Device context. * psc [I/O] Opaque pointer to a script cache. * height [O] Receives font height. * * RETURNS * Success: S_OK * Failure: Non-zero HRESULT value. */ HRESULT WINAPI ScriptCacheGetHeight(HDC hdc, SCRIPT_CACHE *psc, LONG *height) { HRESULT hr; TRACE("(%p, %p, %p)\n", hdc, psc, height); if (!height) return E_INVALIDARG; if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr; *height = get_cache_height(psc); return S_OK; } /*********************************************************************** * ScriptGetGlyphABCWidth (USP10.@) * * Retrieve the width of a glyph. * * PARAMS * hdc [I] Device context. * psc [I/O] Opaque pointer to a script cache. * glyph [I] Glyph to retrieve the width for. * abc [O] ABC widths of the glyph. * * RETURNS * Success: S_OK * Failure: Non-zero HRESULT value. */ HRESULT WINAPI ScriptGetGlyphABCWidth(HDC hdc, SCRIPT_CACHE *psc, WORD glyph, ABC *abc) { HRESULT hr; TRACE("(%p, %p, 0x%04x, %p)\n", hdc, psc, glyph, abc); if (!abc) return E_INVALIDARG; if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr; if (!get_cache_glyph_widths(psc, glyph, abc)) { if (!hdc) return E_PENDING; if ((get_cache_pitch_family(psc) & TMPF_TRUETYPE)) { if (!GetCharABCWidthsI(hdc, 0, 1, &glyph, abc)) return S_FALSE; } else { INT width; if (!GetCharWidth32W(hdc, glyph, glyph, &width)) return S_FALSE; abc->abcB = width; abc->abcA = abc->abcC = 0; } set_cache_glyph_widths(psc, glyph, abc); } return S_OK; } /*********************************************************************** * ScriptLayout (USP10.@) * * Map embedding levels to visual and/or logical order. * * PARAMS * runs [I] Size of level array. * level [I] Array of embedding levels. * vistolog [O] Map of embedding levels from visual to logical order. * logtovis [O] Map of embedding levels from logical to visual order. * * RETURNS * Success: S_OK * Failure: Non-zero HRESULT value. * * BUGS * This stub works correctly for any sequence of a single * embedding level but not for sequences of different * embedding levels, i.e. mixtures of RTL and LTR scripts. */ HRESULT WINAPI ScriptLayout(int runs, const BYTE *level, int *vistolog, int *logtovis) { int* indexs; int ich; TRACE("(%d, %p, %p, %p)\n", runs, level, vistolog, logtovis); if (!level || (!vistolog && !logtovis)) return E_INVALIDARG; indexs = heap_alloc(sizeof(int) * runs); if (!indexs) return E_OUTOFMEMORY; if (vistolog) { for( ich = 0; ich < runs; ich++) indexs[ich] = ich; ich = 0; while (ich < runs) ich += BIDI_ReorderV2lLevel(0, indexs+ich, level+ich, runs - ich, FALSE); for (ich = 0; ich < runs; ich++) vistolog[ich] = indexs[ich]; } if (logtovis) { for( ich = 0; ich < runs; ich++) indexs[ich] = ich; ich = 0; while (ich < runs) ich += BIDI_ReorderL2vLevel(0, indexs+ich, level+ich, runs - ich, FALSE); for (ich = 0; ich < runs; ich++) logtovis[ich] = indexs[ich]; } heap_free(indexs); return S_OK; } /*********************************************************************** * ScriptStringGetLogicalWidths (USP10.@) * * Returns logical widths from a string analysis. * * PARAMS * ssa [I] string analysis. * piDx [O] logical widths returned. * * RETURNS * Success: S_OK * Failure: a non-zero HRESULT. */ HRESULT WINAPI ScriptStringGetLogicalWidths(SCRIPT_STRING_ANALYSIS ssa, int *piDx) { int i, j, next = 0; StringAnalysis *analysis = ssa; TRACE("%p, %p\n", ssa, piDx); if (!analysis) return S_FALSE; for (i = 0; i < analysis->numItems; i++) { for (j = 0; j < analysis->glyphs[i].numGlyphs; j++) { piDx[next] = analysis->glyphs[i].piAdvance[j]; next++; } } return S_OK; } /*********************************************************************** * ScriptStringValidate (USP10.@) * * Validate a string analysis. * * PARAMS * ssa [I] string analysis. * * RETURNS * Success: S_OK * Failure: S_FALSE if invalid sequences are found * or a non-zero HRESULT if it fails. */ HRESULT WINAPI ScriptStringValidate(SCRIPT_STRING_ANALYSIS ssa) { StringAnalysis *analysis = ssa; TRACE("(%p)\n", ssa); if (!analysis) return E_INVALIDARG; return (analysis->invalid) ? S_FALSE : S_OK; } /*********************************************************************** * ScriptString_pSize (USP10.@) * * Retrieve width and height of an analysed string. * * PARAMS * ssa [I] string analysis. * * RETURNS * Success: Pointer to a SIZE structure. * Failure: NULL */ const SIZE * WINAPI ScriptString_pSize(SCRIPT_STRING_ANALYSIS ssa) { int i, j; StringAnalysis *analysis = ssa; TRACE("(%p)\n", ssa); if (!analysis) return NULL; if (!analysis->sz) { if (!(analysis->sz = heap_alloc(sizeof(SIZE)))) return NULL; analysis->sz->cy = analysis->sc->tm.tmHeight; analysis->sz->cx = 0; for (i = 0; i < analysis->numItems; i++) for (j = 0; j < analysis->glyphs[i].numGlyphs; j++) analysis->sz->cx += analysis->glyphs[i].piAdvance[j]; } return analysis->sz; } /*********************************************************************** * ScriptString_pLogAttr (USP10.@) * * Retrieve logical attributes of an analysed string. * * PARAMS * ssa [I] string analysis. * * RETURNS * Success: Pointer to an array of SCRIPT_LOGATTR structures. * Failure: NULL */ const SCRIPT_LOGATTR * WINAPI ScriptString_pLogAttr(SCRIPT_STRING_ANALYSIS ssa) { StringAnalysis *analysis = ssa; TRACE("(%p)\n", ssa); if (!analysis) return NULL; return analysis->logattrs; } /*********************************************************************** * ScriptString_pcOutChars (USP10.@) * * Retrieve the length of a string after clipping. * * PARAMS * ssa [I] String analysis. * * RETURNS * Success: Pointer to the length. * Failure: NULL */ const int * WINAPI ScriptString_pcOutChars(SCRIPT_STRING_ANALYSIS ssa) { StringAnalysis *analysis = ssa; TRACE("(%p)\n", ssa); if (!analysis) return NULL; return &analysis->clip_len; } /*********************************************************************** * ScriptStringGetOrder (USP10.@) * * Retrieve a glyph order map. * * PARAMS * ssa [I] String analysis. * order [I/O] Array of glyph positions. * * RETURNS * Success: S_OK * Failure: a non-zero HRESULT. */ HRESULT WINAPI ScriptStringGetOrder(SCRIPT_STRING_ANALYSIS ssa, UINT *order) { int i, j; unsigned int k; StringAnalysis *analysis = ssa; TRACE("(%p)\n", ssa); if (!analysis) return S_FALSE; /* FIXME: handle RTL scripts */ for (i = 0, k = 0; i < analysis->numItems; i++) for (j = 0; j < analysis->glyphs[i].numGlyphs; j++, k++) order[k] = k; return S_OK; } /*********************************************************************** * ScriptGetLogicalWidths (USP10.@) * * Convert advance widths to logical widths. * * PARAMS * sa [I] Script analysis. * nbchars [I] Number of characters. * nbglyphs [I] Number of glyphs. * glyph_width [I] Array of glyph widths. * log_clust [I] Array of logical clusters. * sva [I] Visual attributes. * widths [O] Array of logical widths. * * RETURNS * Success: S_OK * Failure: a non-zero HRESULT. */ HRESULT WINAPI ScriptGetLogicalWidths(const SCRIPT_ANALYSIS *sa, int nbchars, int nbglyphs, const int *glyph_width, const WORD *log_clust, const SCRIPT_VISATTR *sva, int *widths) { int i; TRACE("(%p, %d, %d, %p, %p, %p, %p)\n", sa, nbchars, nbglyphs, glyph_width, log_clust, sva, widths); /* FIXME */ for (i = 0; i < nbchars; i++) widths[i] = glyph_width[i]; return S_OK; } /*********************************************************************** * ScriptApplyLogicalWidth (USP10.@) * * Generate glyph advance widths. * * PARAMS * dx [I] Array of logical advance widths. * num_chars [I] Number of characters. * num_glyphs [I] Number of glyphs. * log_clust [I] Array of logical clusters. * sva [I] Visual attributes. * advance [I] Array of glyph advance widths. * sa [I] Script analysis. * abc [I/O] Summed ABC widths. * justify [O] Array of glyph advance widths. * * RETURNS * Success: S_OK * Failure: a non-zero HRESULT. */ HRESULT WINAPI ScriptApplyLogicalWidth(const int *dx, int num_chars, int num_glyphs, const WORD *log_clust, const SCRIPT_VISATTR *sva, const int *advance, const SCRIPT_ANALYSIS *sa, ABC *abc, int *justify) { int i; FIXME("(%p, %d, %d, %p, %p, %p, %p, %p, %p)\n", dx, num_chars, num_glyphs, log_clust, sva, advance, sa, abc, justify); for (i = 0; i < num_chars; i++) justify[i] = advance[i]; return S_OK; } HRESULT WINAPI ScriptJustify(const SCRIPT_VISATTR *sva, const int *advance, int num_glyphs, int dx, int min_kashida, int *justify) { int i; FIXME("(%p, %p, %d, %d, %d, %p)\n", sva, advance, num_glyphs, dx, min_kashida, justify); for (i = 0; i < num_glyphs; i++) justify[i] = advance[i]; return S_OK; }