/* * Implementation of Uniscribe Script Processor (usp10.dll) * * Copyright 2005 Steven Edwards for CodeWeavers * Copyright 2006 Hans Leidekker * * 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 "wine/debug.h" #include "wine/unicode.h" /** * some documentation here: * http://www.microsoft.com/typography/developers/uniscribe/uniscribe.htm */ WINE_DEFAULT_DEBUG_CHANNEL(uniscribe); static const SCRIPT_PROPERTIES props[] = { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 9, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 }, { 9, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 }, { 8, 0, 0, 0, 0, 161, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 25, 0, 0, 0, 0, 204, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 43, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 }, { 55, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 }, { 42, 0, 0, 0, 0, 163, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 9, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0 }, { 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 0 }, { 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 }, { 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 }, { 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 }, { 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 }, { 18, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 }, { 18, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 }, { 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 }, { 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 }, { 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 }, { 9, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0 }, { 13, 0, 1, 0, 1, 177, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 13, 0, 1, 0, 0, 177, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 1, 0, 1, 0, 0, 178, 0, 0, 0, 0, 0, 0, 1, 1, 0 }, { 1, 1, 1, 0, 0, 178, 0, 0, 0, 0, 0, 0, 1, 0, 0 }, { 41, 1, 1, 0, 0, 178, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 32, 1, 1, 0, 0, 178, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 90, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0 }, { 30, 0, 1, 1, 1, 222, 0, 0, 1, 0, 1, 0, 0, 0, 1 }, { 30, 1, 1, 0, 0, 222, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 30, 0, 1, 0, 0, 222, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 57, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0 }, { 57, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 73, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0 }, { 73, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 69, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0 }, { 69, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 69, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 70, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0 }, { 70, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 71, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0 }, { 71, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 72, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0 }, { 72, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 74, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0 }, { 74, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 75, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0 }, { 75, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 76, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0 }, { 76, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 81, 0, 1, 1, 1, 1, 0, 0, 1, 0, 1, 0, 0, 0, 0 }, { 81, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 84, 0, 1, 1, 1, 1, 0, 0, 1, 0, 1, 0, 0, 0, 0 }, { 84, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 83, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0 }, { 83, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 85, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0 }, { 85, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 80, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 80, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 94, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 94, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 101, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 93, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 92, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 9, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 91, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 9, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0 }, { 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, }; static const SCRIPT_PROPERTIES *script_props[] = { &props[0], &props[1], &props[2], &props[3], &props[4], &props[5], &props[6], &props[7], &props[8], &props[9], &props[11], &props[12], &props[13], &props[14], &props[15], &props[16], &props[17], &props[18], &props[19], &props[20], &props[21], &props[22], &props[23], &props[24], &props[25], &props[26], &props[27], &props[28], &props[29], &props[30], &props[31], &props[32], &props[33], &props[34], &props[35], &props[36], &props[37], &props[38], &props[39], &props[40], &props[41], &props[42], &props[43], &props[44], &props[45], &props[46], &props[47], &props[48], &props[49], &props[50], &props[51], &props[52], &props[53], &props[54], &props[55], &props[56], &props[57], &props[58], &props[59], &props[60], &props[61], &props[62], &props[63], &props[64], &props[65], &props[66], &props[67], &props[68], &props[69], &props[70], &props[71], &props[72], &props[73] }; typedef struct { HDC hdc; LONG height; WCHAR default_char; } ScriptCache; typedef struct { int numGlyphs; WORD* glyphs; WORD* pwLogClust; int* piAdvance; SCRIPT_VISATTR* psva; GOFFSET* pGoffset; ABC* abc; } StringGlyphs; typedef struct { 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 *usp_alloc(SIZE_T size) { return HeapAlloc(GetProcessHeap(), 0, size); } static inline void *usp_zero_alloc(SIZE_T size) { return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size); } static inline void *usp_zero_realloc(LPVOID mem, SIZE_T size) { return HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, mem, size); } static inline void usp_free(LPVOID mem) { HeapFree(GetProcessHeap(), 0, mem); } static HDC get_cache_hdc(SCRIPT_CACHE *psc) { return ((ScriptCache *)*psc)->hdc; } static WCHAR get_cache_default_char(SCRIPT_CACHE *psc) { return ((ScriptCache *)*psc)->default_char; } static LONG get_cache_height(SCRIPT_CACHE *psc) { return ((ScriptCache *)*psc)->height; } static HRESULT init_script_cache(const HDC hdc, ScriptCache *sc) { TEXTMETRICW metric; if (!GetTextMetricsW(hdc, &metric)) return E_INVALIDARG; sc->height = metric.tmHeight; sc->default_char = metric.tmDefaultChar; sc->hdc = hdc; return S_OK; } static HRESULT get_script_cache(const HDC hdc, SCRIPT_CACHE *psc) { if (!psc) return E_INVALIDARG; if (!*psc) { HRESULT ret; ScriptCache *sc; if (!hdc) return E_PENDING; if (!(sc = usp_zero_alloc(sizeof(ScriptCache)))) return E_OUTOFMEMORY; if ((ret = init_script_cache(hdc, sc))) { usp_free(sc); return ret; } *psc = sc; } TRACE("<- %p\n", *psc); return S_OK; } /*********************************************************************** * 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) { usp_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 = get_script_cache(hdc, psc))) 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_start 0x0030 #define Numeric_stop 0x0039 #define Numeric_space 0x0020 #define Arabic_start 0x0600 #define Arabic_stop 0x06ff #define Latin_start 0x0001 #define Latin_stop 0x024f #define Script_Arabic 6 #define Script_Latin 1 #define Script_Numeric 5 int cnt = 0, index = 0; int New_Script = SCRIPT_UNDEFINED; 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; pItems[index].iCharPos = 0; memset(&pItems[index].a, 0, sizeof(SCRIPT_ANALYSIS)); if (pwcInChars[cnt] >= Numeric_start && pwcInChars[cnt] <= Numeric_stop) pItems[index].a.eScript = Script_Numeric; else if (pwcInChars[cnt] >= Arabic_start && pwcInChars[cnt] <= Arabic_stop) pItems[index].a.eScript = Script_Arabic; else if (pwcInChars[cnt] >= Latin_start && pwcInChars[cnt] <= Latin_stop) pItems[index].a.eScript = Script_Latin; if (pItems[index].a.eScript == Script_Arabic) pItems[index].a.s.uBidiLevel = 1; TRACE("New_Script=%d, eScript=%d index=%d cnt=%d iCharPos=%d\n", New_Script, pItems[index].a.eScript, index, cnt, pItems[index].iCharPos = cnt); for (cnt=0; cnt < cInChars; cnt++) { if ((pwcInChars[cnt] >= Numeric_start && pwcInChars[cnt] <= Numeric_stop) || (New_Script == Script_Numeric && pwcInChars[cnt] == Numeric_space)) New_Script = Script_Numeric; else if ((pwcInChars[cnt] >= Arabic_start && pwcInChars[cnt] <= Arabic_stop) || (New_Script == Script_Arabic && pwcInChars[cnt] == Numeric_space)) New_Script = Script_Arabic; else if ((WCHAR) pwcInChars[cnt] >= Latin_start && (WCHAR) pwcInChars[cnt] <= Latin_stop) New_Script = Script_Latin; else New_Script = SCRIPT_UNDEFINED; if (New_Script != pItems[index].a.eScript) { TRACE("New_Script=%d, eScript=%d ", New_Script, pItems[index].a.eScript); index++; if (index+1 > cMaxItems) return E_OUTOFMEMORY; pItems[index].iCharPos = cnt; memset(&pItems[index].a, 0, sizeof(SCRIPT_ANALYSIS)); if (New_Script == Script_Arabic) pItems[index].a.s.uBidiLevel = 1; pItems[index].a.eScript = New_Script; if (New_Script == Script_Arabic) pItems[index].a.s.uBidiLevel = 1; TRACE("index=%d cnt=%d iCharPos=%d\n", index, cnt, pItems[index].iCharPos = cnt); } } /* 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 */ memset(&pItems[index+1].a, 0, sizeof(SCRIPT_ANALYSIS)); TRACE("index=%d cnt=%d iCharPos=%d\n", index+1, cnt, pItems[index+1].iCharPos = cnt); /* Set one SCRIPT_STATE item being returned */ *pcItems = index + 1; /* Set SCRIPT_ITEM */ pItems[index+1].iCharPos = cnt; /* the last + 1 item contains the ptr to the lastchar */ 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 = usp_zero_alloc(sizeof(StringAnalysis)))) return E_OUTOFMEMORY; if (!(analysis->pItem = usp_zero_alloc(num_items * sizeof(SCRIPT_ITEM) + 1))) goto error; /* FIXME: handle clipping */ analysis->clip_len = cString; hr = ScriptItemize(pString, cString, num_items, psControl, psState, analysis->pItem, &analysis->numItems); while (hr == E_OUTOFMEMORY) { SCRIPT_ITEM *tmp; num_items *= 2; if (!(tmp = usp_zero_realloc(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) goto error; if ((analysis->logattrs = usp_alloc(sizeof(SCRIPT_LOGATTR) * cString))) ScriptBreak(pString, cString, (SCRIPT_STRING_ANALYSIS)analysis, analysis->logattrs); else goto error; if (!(analysis->glyphs = usp_zero_alloc(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 = usp_zero_alloc(sizeof(WORD) * numGlyphs); WORD *pwLogClust = usp_zero_alloc(sizeof(WORD) * cChar); int *piAdvance = usp_zero_alloc(sizeof(int) * numGlyphs); SCRIPT_VISATTR *psva = usp_zero_alloc(sizeof(SCRIPT_VISATTR) * cChar); GOFFSET *pGoffset = usp_zero_alloc(sizeof(GOFFSET) * numGlyphs); ABC *abc = usp_zero_alloc(sizeof(ABC)); int numGlyphsReturned; /* FIXME: non unicode strings */ WCHAR* pStr = (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: usp_free(analysis->glyphs); usp_free(analysis->logattrs); usp_free(analysis->pItem); usp_free(analysis->sc); usp_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 = usp_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->sc->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 */ usp_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; 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++) { for(j=0; jglyphs[i].numGlyphs; j++) { if(runningCp == icp && fTrailing == FALSE) { *pX = runningX; return S_OK; } runningX += analysis->glyphs[i].piAdvance[j]; if(runningCp == icp && fTrailing == 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) { *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; 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; for (i = 0; i < analysis->numItems; i++) { usp_free(analysis->glyphs[i].glyphs); usp_free(analysis->glyphs[i].pwLogClust); usp_free(analysis->glyphs[i].piAdvance); usp_free(analysis->glyphs[i].psva); usp_free(analysis->glyphs[i].pGoffset); usp_free(analysis->glyphs[i].abc); } usp_free(analysis->glyphs); usp_free(analysis->pItem); usp_free(analysis->logattrs); usp_free(analysis->sz); usp_free(analysis->sc); usp_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; int iPosX; float fMaxPosX = 0; TRACE("(%d,%d,%d,%d,%p,%p,%p,%p,%p)\n", iCP, fTrailing, cChars, cGlyphs, pwLogClust, psva, piAdvance, psa, piX); for (item=0; item < cGlyphs; item++) /* total piAdvance */ fMaxPosX += piAdvance[item]; iPosX = (fMaxPosX/cGlyphs)*(iCP+fTrailing); if (iPosX > fMaxPosX) iPosX = fMaxPosX; *piX = iPosX; /* Return something in range */ 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) { unsigned 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 = isspaceW(chars[i]); la[i].fCharStop = 1; } return S_OK; } static const struct { WCHAR start; WCHAR end; DWORD flag; } complex_ranges[] = { { 0, 0x0b, SIC_COMPLEX }, { 0x0c, 0x0c, SIC_NEUTRAL }, { 0x0d, 0x1f, SIC_COMPLEX }, { 0x20, 0x2f, SIC_NEUTRAL }, { 0x30, 0x39, SIC_ASCIIDIGIT }, { 0x3a, 0x40, SIC_NEUTRAL }, { 0x5b, 0x60, SIC_NEUTRAL }, { 0x7b, 0x7e, SIC_NEUTRAL }, { 0x7f, 0x9f, SIC_COMPLEX }, { 0xa0, 0xa5, SIC_NEUTRAL }, { 0xa7, 0xa8, SIC_NEUTRAL }, { 0xab, 0xab, SIC_NEUTRAL }, { 0xad, 0xad, SIC_NEUTRAL }, { 0xaf, 0xaf, SIC_NEUTRAL }, { 0xb0, 0xb1, SIC_NEUTRAL }, { 0xb4, 0xb4, SIC_NEUTRAL }, { 0xb6, 0xb8, SIC_NEUTRAL }, { 0xbb, 0xbf, SIC_NEUTRAL }, { 0xd7, 0xd7, SIC_NEUTRAL }, { 0xf7, 0xf7, SIC_NEUTRAL }, { 0x2b9, 0x2ba, SIC_NEUTRAL }, { 0x2c2, 0x2cf, SIC_NEUTRAL }, { 0x2d2, 0x2df, SIC_NEUTRAL }, { 0x2e5, 0x2e9, SIC_COMPLEX }, { 0x2ea, 0x2ed, SIC_NEUTRAL }, { 0x300, 0x362, SIC_COMPLEX }, { 0x530, 0x60b, SIC_COMPLEX }, { 0x60c, 0x60d, SIC_NEUTRAL }, { 0x60e, 0x669, SIC_COMPLEX }, { 0x66a, 0x66a, SIC_NEUTRAL }, { 0x66b, 0x6e8, SIC_COMPLEX }, { 0x6e9, 0x6e9, SIC_NEUTRAL }, { 0x6ea, 0x7bf, SIC_COMPLEX }, { 0x900, 0x1360, SIC_COMPLEX }, { 0x137d, 0x137f, SIC_COMPLEX }, { 0x1680, 0x1680, SIC_NEUTRAL }, { 0x1780, 0x18af, SIC_COMPLEX }, { 0x2000, 0x200a, SIC_NEUTRAL }, { 0x200b, 0x200f, SIC_COMPLEX }, { 0x2010, 0x2016, SIC_NEUTRAL }, { 0x2018, 0x2022, SIC_NEUTRAL }, { 0x2024, 0x2028, SIC_NEUTRAL }, { 0x2029, 0x202e, SIC_COMPLEX }, { 0x202f, 0x2037, SIC_NEUTRAL }, { 0x2039, 0x203c, SIC_NEUTRAL }, { 0x2044, 0x2046, SIC_NEUTRAL }, { 0x206a, 0x206f, SIC_COMPLEX }, { 0x207a, 0x207e, SIC_NEUTRAL }, { 0x208a, 0x20aa, SIC_NEUTRAL }, { 0x20ac, 0x20cf, SIC_NEUTRAL }, { 0x20d0, 0x20ff, SIC_COMPLEX }, { 0x2103, 0x2103, SIC_NEUTRAL }, { 0x2105, 0x2105, SIC_NEUTRAL }, { 0x2109, 0x2109, SIC_NEUTRAL }, { 0x2116, 0x2116, SIC_NEUTRAL }, { 0x2121, 0x2122, SIC_NEUTRAL }, { 0x212e, 0x212e, SIC_NEUTRAL }, { 0x2153, 0x2154, SIC_NEUTRAL }, { 0x215b, 0x215e, SIC_NEUTRAL }, { 0x2190, 0x2199, SIC_NEUTRAL }, { 0x21b8, 0x21b9, SIC_NEUTRAL }, { 0x21d2, 0x21d2, SIC_NEUTRAL }, { 0x21d4, 0x21d4, SIC_NEUTRAL }, { 0x21e7, 0x21e7, SIC_NEUTRAL }, { 0x2200, 0x2200, SIC_NEUTRAL }, { 0x2202, 0x2203, SIC_NEUTRAL }, { 0x2207, 0x2208, SIC_NEUTRAL }, { 0x220b, 0x220b, SIC_NEUTRAL }, { 0x220f, 0x220f, SIC_NEUTRAL }, { 0x2211, 0x2213, SIC_NEUTRAL }, { 0x2215, 0x2215, SIC_NEUTRAL }, { 0x221a, 0x221a, SIC_NEUTRAL }, { 0x221d, 0x2220, SIC_NEUTRAL }, { 0x2223, 0x2223, SIC_NEUTRAL }, { 0x2225, 0x2225, SIC_NEUTRAL }, { 0x2227, 0x222c, SIC_NEUTRAL }, { 0x222e, 0x222e, SIC_NEUTRAL }, { 0x2234, 0x2237, SIC_NEUTRAL }, { 0x223c, 0x223d, SIC_NEUTRAL }, { 0x2248, 0x2248, SIC_NEUTRAL }, { 0x224c, 0x224c, SIC_NEUTRAL }, { 0x2252, 0x2252, SIC_NEUTRAL }, { 0x2260, 0x2261, SIC_NEUTRAL }, { 0x2264, 0x2267, SIC_NEUTRAL }, { 0x226a, 0x226b, SIC_NEUTRAL }, { 0x226e, 0x226f, SIC_NEUTRAL }, { 0x2282, 0x2283, SIC_NEUTRAL }, { 0x2286, 0x2287, SIC_NEUTRAL }, { 0x2295, 0x2295, SIC_NEUTRAL }, { 0x2299, 0x2299, SIC_NEUTRAL }, { 0x22a5, 0x22a5, SIC_NEUTRAL }, { 0x22bf, 0x22bf, SIC_NEUTRAL }, { 0x2312, 0x2312, SIC_NEUTRAL }, { 0x24ea, 0x24ea, SIC_COMPLEX }, { 0x2500, 0x254b, SIC_NEUTRAL }, { 0x2550, 0x256d, SIC_NEUTRAL }, { 0x256e, 0x2574, SIC_NEUTRAL }, { 0x2581, 0x258f, SIC_NEUTRAL }, { 0x2592, 0x2595, SIC_NEUTRAL }, { 0x25a0, 0x25a1, SIC_NEUTRAL }, { 0x25a3, 0x25a9, SIC_NEUTRAL }, { 0x25b2, 0x25b3, SIC_NEUTRAL }, { 0x25b6, 0x25b7, SIC_NEUTRAL }, { 0x25bc, 0x25bd, SIC_NEUTRAL }, { 0x25c0, 0x25c1, SIC_NEUTRAL }, { 0x25c6, 0x25c8, SIC_NEUTRAL }, { 0x25cb, 0x25cb, SIC_NEUTRAL }, { 0x25ce, 0x25d1, SIC_NEUTRAL }, { 0x25e2, 0x25e5, SIC_NEUTRAL }, { 0x25ef, 0x25ef, SIC_NEUTRAL }, { 0x2605, 0x2606, SIC_NEUTRAL }, { 0x2609, 0x2609, SIC_NEUTRAL }, { 0x260e, 0x260f, SIC_NEUTRAL }, { 0x261c, 0x261c, SIC_NEUTRAL }, { 0x261e, 0x261e, SIC_NEUTRAL }, { 0x2640, 0x2640, SIC_NEUTRAL }, { 0x2642, 0x2642, SIC_NEUTRAL }, { 0x2660, 0x2661, SIC_NEUTRAL }, { 0x2663, 0x2665, SIC_NEUTRAL }, { 0x2667, 0x266a, SIC_NEUTRAL }, { 0x266c, 0x266d, SIC_NEUTRAL }, { 0x266f, 0x266f, SIC_NEUTRAL }, { 0x273d, 0x273d, SIC_NEUTRAL }, { 0x2e80, 0x312f, SIC_COMPLEX }, { 0x3190, 0x31bf, SIC_COMPLEX }, { 0x31f0, 0x31ff, SIC_COMPLEX }, { 0x3220, 0x325f, SIC_COMPLEX }, { 0x3280, 0xa4ff, SIC_COMPLEX }, { 0xd800, 0xdfff, SIC_COMPLEX }, { 0xe000, 0xf8ff, SIC_NEUTRAL }, { 0xf900, 0xfaff, SIC_COMPLEX }, { 0xfb13, 0xfb28, SIC_COMPLEX }, { 0xfb29, 0xfb29, SIC_NEUTRAL }, { 0xfb2a, 0xfb4f, SIC_COMPLEX }, { 0xfd3e, 0xfd3f, SIC_NEUTRAL }, { 0xfdd0, 0xfdef, SIC_COMPLEX }, { 0xfe20, 0xfe6f, SIC_COMPLEX }, { 0xfeff, 0xfeff, SIC_COMPLEX }, { 0xff01, 0xff5e, SIC_COMPLEX }, { 0xff61, 0xff9f, SIC_COMPLEX }, { 0xffe0, 0xffe6, SIC_COMPLEX }, { 0xffe8, 0xffee, SIC_COMPLEX }, { 0xfff9, 0xfffb, SIC_COMPLEX }, { 0xfffe, 0xfffe, SIC_COMPLEX } }; /*********************************************************************** * 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 * * NOTES * Behaviour matches that of WinXP. */ HRESULT WINAPI ScriptIsComplex(const WCHAR *chars, int len, DWORD flag) { unsigned int i, j; TRACE("(%s,%d,0x%x)\n", debugstr_wn(chars, len), len, flag); for (i = 0; i < len; i++) { for (j = 0; j < sizeof(complex_ranges)/sizeof(complex_ranges[0]); j++) { if (chars[i] >= complex_ranges[j].start && chars[i] <= complex_ranges[j].end && (flag & complex_ranges[j].flag)) 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] String 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) { int cnt; HRESULT hr; *pcGlyphs = cChars; TRACE("(%p, %p, %p, %d, %d, %p)\n", hdc, psc, pwcChars, cChars, cMaxGlyphs, psa); 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 (cChars > cMaxGlyphs) return E_OUTOFMEMORY; if ((hr = get_script_cache(hdc, psc))) return hr; TRACE("Before: "); for (cnt = 0; cnt < cChars; cnt++) TRACE("%4x",pwcChars[cnt]); TRACE("\n"); if (!psa->fNoGlyphIndex) { /* Glyph translate */ if (!(GetGlyphIndicesW(get_cache_hdc(psc), pwcChars, cChars, pwOutGlyphs, 0))) return S_FALSE; TRACE("After: "); for (cnt = 0; cnt < cChars; cnt++) { TRACE("%04x",pwOutGlyphs[cnt]); } TRACE("\n"); } else { TRACE("After: "); for (cnt = 0; cnt < cChars; cnt++) { /* no translate so set up */ pwOutGlyphs[cnt] = pwcChars[cnt]; /* copy in to out and */ TRACE("%04x",pwOutGlyphs[cnt]); } TRACE("\n"); } /* Set up a valid SCRIPT_VISATTR and LogClust for each char in this run */ for (cnt = 0; cnt < cChars; cnt++) { /* FIXME: set to better values */ psva[cnt].uJustification = 2; psva[cnt].fClusterStart = 1; psva[cnt].fDiacritic = 0; psva[cnt].fZeroWidth = 0; pwLogClust[cnt] = cnt; } 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 ) { int wcnt; HRESULT hr; LPABC lpABC; TRACE("(%p, %p, %p, %s, %d, %p, %p, %p)\n", hdc, psc, pwGlyphs, debugstr_wn(pwGlyphs, cGlyphs), cGlyphs, psva, psa, piAdvance); if ((hr = get_script_cache(hdc, psc))) return hr; /* Here we need to calculate the width of the run unit. At this point the input string * has been converted to glyphs and we still need to translate back to the original chars * to get the correct ABC widths. */ if (!(lpABC = usp_zero_alloc(sizeof(ABC) * cGlyphs))) return E_OUTOFMEMORY; if (pABC) memset(pABC, 0, sizeof(ABC)); /* FIXME: set pGoffset to more reasonable values */ if (!GetCharABCWidthsI(get_cache_hdc(psc), 0, cGlyphs, (WORD *) pwGlyphs, lpABC )) { WARN("Could not get ABC values\n"); for (wcnt = 0; wcnt < cGlyphs; wcnt++) { piAdvance[wcnt] = 0; pGoffset[wcnt].du = 0; pGoffset[wcnt].dv = 0; } } else { for (wcnt = 0; wcnt < cGlyphs ; wcnt++) { /* add up the char lengths */ TRACE(" Glyph=%04x, abcA=%d, abcB=%d, abcC=%d wcnt=%d\n", pwGlyphs[wcnt], lpABC[wcnt].abcA, lpABC[wcnt].abcB, lpABC[wcnt].abcC, wcnt); if (pABC) { pABC->abcA += lpABC[wcnt].abcA; pABC->abcB += lpABC[wcnt].abcB; pABC->abcC += lpABC[wcnt].abcC; } piAdvance[wcnt] = lpABC[wcnt].abcA + lpABC[wcnt].abcB + lpABC[wcnt].abcC; pGoffset[wcnt].du = 0; pGoffset[wcnt].dv = 0; } } if (pABC) TRACE("Total for run: abcA=%d, abcB=%d, abcC=%d\n", pABC->abcA, pABC->abcB, pABC->abcC); usp_free(lpABC); 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) { int cnt; HRESULT hr; TRACE("(%p,%p,%s,%d,0x%x,%p)\n", hdc, psc, debugstr_wn(pwcInChars, cChars), cChars, dwFlags, pwOutGlyphs); if ((hr = get_script_cache(hdc, psc))) return hr; TRACE("Before: "); for (cnt = 0; cnt < cChars; cnt++) TRACE("%4x",pwcInChars[cnt]); TRACE("\n"); GetGlyphIndicesW(get_cache_hdc(psc), pwcInChars, cChars, pwOutGlyphs, 0); TRACE("After: "); for (cnt = 0; cnt < cChars; cnt++) { TRACE("%04x",pwOutGlyphs[cnt]); } TRACE("\n"); return S_OK; } /*********************************************************************** * 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; 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 && !*psc) return E_INVALIDARG; if (!piAdvance || !psa || !pwGlyphs) return E_INVALIDARG; if ((hr = get_script_cache(hdc, psc))) return hr; fuOptions &= ETO_CLIPPED + ETO_OPAQUE; if (!psa->fNoGlyphIndex) /* Have Glyphs? */ fuOptions |= ETO_GLYPH_INDEX; /* Say don't do translation to glyph */ if (!ExtTextOutW(get_cache_hdc(psc), x, y, fuOptions, lprc, pwGlyphs, cGlyphs, NULL)) return S_FALSE; return S_OK; } /*********************************************************************** * 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 = get_script_cache(hdc, psc))) 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 ((hr = get_script_cache(hdc, psc))) return hr; /* FIXME: get this from the cache */ if (!GetCharABCWidthsW(get_cache_hdc(psc), glyph, glyph, abc)) return E_HANDLE; 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 i, j = runs - 1, k = 0; TRACE("(%d, %p, %p, %p)\n", runs, level, vistolog, logtovis); if (!level || (!vistolog && !logtovis)) return E_INVALIDARG; for (i = 0; i < runs; i++) { if (level[i] % 2) { if (vistolog) *vistolog++ = j; if (logtovis) *logtovis++ = j; j--; } else { if (vistolog) *vistolog++ = k; if (logtovis) *logtovis++ = k; k++; } } 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) { unsigned int i, j; StringAnalysis *analysis = ssa; TRACE("(%p)\n", ssa); if (!analysis) return NULL; if (!analysis->sz) { if (!(analysis->sz = usp_alloc(sizeof(SIZE)))) return NULL; analysis->sz->cy = analysis->sc->height; 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) { unsigned int i, j, 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; }