| /* |
| * Implementation of Uniscribe Script Processor (usp10.dll) |
| * |
| * Copyright 2005 Steven Edwards for CodeWeavers |
| * |
| * 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 <stdarg.h> |
| |
| #include "windef.h" |
| #include "winbase.h" |
| #include "wingdi.h" |
| #include "winuser.h" |
| #include "winnls.h" |
| #include "usp10.h" |
| |
| #include "wine/debug.h" |
| |
| /** |
| * some documentation here: |
| * http://www.microsoft.com/typography/developers/uniscribe/uniscribe.htm |
| */ |
| |
| WINE_DEFAULT_DEBUG_CHANNEL(uniscribe); |
| |
| #define MAX_SCRIPTS 8 |
| |
| /* Set up a default for ScriptGetProperties */ |
| static const SCRIPT_PROPERTIES Default_Script_0 = {0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0}; |
| static const SCRIPT_PROPERTIES Default_Script_1 = {0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0}; |
| static const SCRIPT_PROPERTIES Default_Script_2 = {0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0}; |
| static const SCRIPT_PROPERTIES Default_Script_3 = {9, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0}; |
| static const SCRIPT_PROPERTIES Default_Script_4 = {9, 1, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0}; |
| static const SCRIPT_PROPERTIES Default_Script_5 = {9, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 1, 0, 0}; |
| static const SCRIPT_PROPERTIES Default_Script_6 = {9, 1, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 1, 0, 0}; |
| static const SCRIPT_PROPERTIES Default_Script_7 = {8, 0, 0, 0, 0, 161, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0}; |
| static const SCRIPT_PROPERTIES *Global_Script[MAX_SCRIPTS] = |
| {&Default_Script_0, |
| &Default_Script_1, |
| &Default_Script_2, |
| &Default_Script_3, |
| &Default_Script_4, |
| &Default_Script_5, |
| &Default_Script_6, |
| &Default_Script_7}; |
| |
| typedef struct scriptcache { |
| HDC hdc; |
| } Scriptcache; |
| |
| /*********************************************************************** |
| * 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.@) |
| * |
| */ |
| HRESULT WINAPI ScriptFreeCache(SCRIPT_CACHE *psc) |
| { |
| TRACE("%p\n", psc); |
| |
| if (psc) { |
| HeapFree ( GetProcessHeap(), 0, *psc); |
| *psc = NULL; |
| } |
| return 0; |
| } |
| |
| /*********************************************************************** |
| * ScriptGetProperties (USP10.@) |
| * |
| */ |
| HRESULT WINAPI ScriptGetProperties(const SCRIPT_PROPERTIES ***ppSp, int *piNumScripts) |
| { |
| TRACE("%p,%p\n", ppSp, piNumScripts); |
| |
| if (!ppSp && !piNumScripts) return E_INVALIDARG; |
| |
| /* Set up a sensible default and intialise pointers */ |
| if (piNumScripts) *piNumScripts = MAX_SCRIPTS; |
| if (ppSp) *ppSp = Global_Script; |
| TRACE("ppSp:%p, *ppSp:%p, **ppSp:%p, %d\n", |
| ppSp, ppSp ? *ppSp : NULL, (ppSp && *ppSp) ? **ppSp : NULL, |
| piNumScripts ? *piNumScripts : -1); |
| return 0; |
| } |
| |
| /*********************************************************************** |
| * ScriptGetFontProperties (USP10.@) |
| * |
| */ |
| HRESULT WINAPI ScriptGetFontProperties(HDC hdc, SCRIPT_CACHE *psc, SCRIPT_FONTPROPERTIES *sfp) |
| { |
| HDC phdc; |
| Scriptcache *pScriptcache; |
| TEXTMETRICW ptm; |
| |
| TRACE("%p,%p,%p\n", hdc, psc, sfp); |
| |
| if (!psc || !sfp) |
| return E_INVALIDARG; |
| if (!hdc && !*psc) { |
| TRACE("No Script_Cache (psc) and no hdc. Ask for one. Hdc=%p, psc=%p\n", hdc, *psc); |
| return E_PENDING; |
| } else |
| if (hdc && !*psc) { |
| pScriptcache = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(Scriptcache) ); |
| pScriptcache->hdc = (HDC) hdc; |
| phdc = hdc; |
| *psc = (Scriptcache *) pScriptcache; |
| } else |
| if (*psc) { |
| pScriptcache = (Scriptcache *) *psc; |
| phdc = pScriptcache->hdc; |
| } |
| |
| if (sfp->cBytes != sizeof(SCRIPT_FONTPROPERTIES)) |
| return E_INVALIDARG; |
| |
| /* return something sensible? */ |
| sfp->wgBlank = 0; |
| if (GetTextMetricsW(phdc, &ptm)) |
| sfp->wgDefault = ptm.tmDefaultChar; |
| else |
| sfp->wgDefault = 0; |
| sfp->wgInvalid = 0; |
| sfp->wgKashida = 0xffff; |
| sfp->iKashidaWidth = 0; |
| return 0; |
| } |
| |
| /*********************************************************************** |
| * 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.@) |
| * |
| */ |
| 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; |
| |
| 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; |
| else |
| pItems[index].a.eScript = SCRIPT_UNDEFINED; |
| pItems[index].iCharPos = 0; |
| /* Set the SCRIPT_ANALYSIS */ |
| pItems[index].a.fRTL = 0; |
| pItems[index].a.fLayoutRTL = 0; |
| pItems[index].a.fLinkBefore = 0; |
| pItems[index].a.fLinkAfter = 0; |
| pItems[index].a.fLogicalOrder = 0; |
| pItems[index].a.fNoGlyphIndex = 0; |
| /* set the SCRIPT_STATE */ |
| if (New_Script == Script_Arabic) |
| pItems[index].a.s.uBidiLevel = 1; |
| else |
| pItems[index].a.s.uBidiLevel = 0; |
| pItems[index].a.s.fOverrideDirection = 0; |
| pItems[index].a.s.fInhibitSymSwap = FALSE; |
| pItems[index].a.s.fCharShape = 0; |
| pItems[index].a.s.fDigitSubstitute = 0; |
| pItems[index].a.s.fInhibitLigate = 0; |
| pItems[index].a.s.fDisplayZWG = 0; |
| pItems[index].a.s.fArabicNumContext = 0; |
| pItems[index].a.s.fGcpClusters = 0; |
| pItems[index].a.s.fReserved = 0; |
| pItems[index].a.s.fEngineReserved = 0; |
| 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; |
| if (New_Script == Script_Arabic) |
| pItems[index].a.s.uBidiLevel = 1; |
| /* Set SCRIPT_ITEM */ |
| pItems[index].iCharPos = cnt; |
| /* Set the SCRIPT_ANALYSIS */ |
| pItems[index].a.eScript = New_Script; |
| pItems[index].a.fRTL = 0; |
| pItems[index].a.fLayoutRTL = 0; |
| pItems[index].a.fLinkBefore = 0; |
| pItems[index].a.fLinkAfter = 0; |
| pItems[index].a.fLogicalOrder = 0; |
| pItems[index].a.fNoGlyphIndex = 0; |
| /* set the SCRIPT_STATE */ |
| if (New_Script == Script_Arabic) |
| pItems[index].a.s.uBidiLevel = 1; |
| else |
| pItems[index].a.s.uBidiLevel = 0; |
| pItems[index].a.s.fOverrideDirection = 0; |
| pItems[index].a.s.fInhibitSymSwap = FALSE; |
| pItems[index].a.s.fCharShape = 0; |
| pItems[index].a.s.fDigitSubstitute = 0; |
| pItems[index].a.s.fInhibitLigate = 0; |
| pItems[index].a.s.fDisplayZWG = 0; |
| pItems[index].a.s.fArabicNumContext = 0; |
| pItems[index].a.s.fGcpClusters = 0; |
| pItems[index].a.s.fReserved = 0; |
| pItems[index].a.s.fEngineReserved = 0; |
| TRACE("index=%d cnt=%d iCharPos=%d\n", index, cnt, pItems[index].iCharPos = cnt); |
| } |
| } |
| |
| /* While not strickly necessary according to the spec, make sure the n+1 |
| * item is set up to prevent random behaviour if the caller eroneously |
| * checks the n+1 structure */ |
| pItems[index+1].a.eScript = 0; |
| pItems[index+1].a.fRTL = 0; |
| pItems[index+1].a.fLayoutRTL = 0; |
| pItems[index+1].a.fLinkBefore = 0; |
| pItems[index+1].a.fLinkAfter = 0; |
| pItems[index+1].a.fLogicalOrder = 0; |
| pItems[index+1].a.fNoGlyphIndex = 0; |
| /* set the SCRIPT_STATE */ |
| pItems[index+1].a.s.uBidiLevel = 0; |
| pItems[index+1].a.s.fOverrideDirection = 0; |
| pItems[index+1].a.s.fInhibitSymSwap = FALSE; |
| pItems[index+1].a.s.fCharShape = 0; |
| pItems[index+1].a.s.fDigitSubstitute = 0; |
| pItems[index+1].a.s.fInhibitLigate = 0; |
| pItems[index+1].a.s.fDisplayZWG = 0; |
| pItems[index+1].a.s.fArabicNumContext = 0; |
| pItems[index+1].a.s.fGcpClusters = 0; |
| pItems[index+1].a.s.fReserved = 0; |
| pItems[index+1].a.s.fEngineReserved = 0; |
| 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) |
| { |
| FIXME("(%p,%p,%d,%d,%d,0x%x,%d,%p,%p,%p,%p,%p,%p): stub\n", |
| hdc, pString, cString, cGlyphs, iCharset, dwFlags, |
| iReqWidth, psControl, psState, piDx, pTabdef, pbInClass, pssa); |
| if (1 > cString || NULL == pString) { |
| return E_INVALIDARG; |
| } |
| if ((dwFlags & SSA_GLYPHS) && NULL == hdc) { |
| return E_PENDING; |
| } |
| |
| return E_NOTIMPL; |
| } |
| |
| /*********************************************************************** |
| * ScriptStringOut (USP10.@) |
| * |
| */ |
| HRESULT WINAPI ScriptStringOut(SCRIPT_STRING_ANALYSIS ssa, |
| int iX, |
| int iY, |
| UINT uOptions, |
| const RECT *prc, |
| int iMinSel, |
| int iMaxSel, |
| BOOL fDisabled) |
| { |
| FIXME("(%p,%d,%d,0x%1x,%p,%d,%d,%d): stub\n", |
| ssa, iX, iY, uOptions, prc, iMinSel, iMaxSel, fDisabled); |
| if (!ssa) { |
| return E_INVALIDARG; |
| } |
| |
| return E_NOTIMPL; |
| } |
| |
| /*********************************************************************** |
| * ScriptStringCPtoX (USP10.@) |
| * |
| */ |
| HRESULT WINAPI ScriptStringCPtoX(SCRIPT_STRING_ANALYSIS ssa, int icp, BOOL fTrailing, int* pX) |
| { |
| FIXME("(%p), %d, %d, (%p): stub\n", ssa, icp, fTrailing, pX); |
| *pX = 0; /* Set a reasonable value */ |
| return S_OK; |
| } |
| |
| /*********************************************************************** |
| * ScriptStringXtoCP (USP10.@) |
| * |
| */ |
| HRESULT WINAPI ScriptStringXtoCP(SCRIPT_STRING_ANALYSIS ssa, int iX, int* piCh, int* piTrailing) |
| { |
| FIXME("(%p), %d, (%p), (%p): stub\n", ssa, iX, piCh, piTrailing); |
| *piCh = 0; /* Set a reasonable value */ |
| *piTrailing = 0; |
| return S_OK; |
| } |
| |
| /*********************************************************************** |
| * ScriptStringFree (USP10.@) |
| * |
| */ |
| HRESULT WINAPI ScriptStringFree(SCRIPT_STRING_ANALYSIS *pssa) { |
| FIXME("(%p): stub\n",pssa); |
| 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 = 1; |
| 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; |
| for (item = 0; item < cGlyphs && iPosX < iX; item++) |
| iPosX = fAvePosX * (item +1); |
| if (iPosX - iX > fAvePosX/2) |
| *piTrailing = 0; |
| else |
| *piTrailing = 1; /* yep we are over half way */ |
| |
| *piCP = item -1; /* Return character position */ |
| TRACE("*piCP=%d iPposX=%d\n", *piCP, iPosX); |
| return S_OK; |
| } |
| |
| /*********************************************************************** |
| * ScriptBreak (USP10.@) |
| * |
| */ |
| HRESULT WINAPI ScriptBreak(const WCHAR *pwcChars, int cChars, const SCRIPT_ANALYSIS *psa, |
| SCRIPT_LOGATTR *psla) |
| { |
| FIXME("(%p,%d,%p,%p): stub\n", |
| pwcChars, cChars, psa, psla); |
| |
| 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.@) |
| * |
| */ |
| 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) |
| { |
| /* Note SCRIPT_CACHE (*psc) appears to be a good place to save info that needs to be |
| * passed between functions. */ |
| |
| HDC phdc; |
| int cnt; |
| DWORD hr; |
| Scriptcache *pScriptcache; |
| *pcGlyphs = cChars; |
| FIXME("(%p, %p, %p, %d, %d, %p): semi-stub\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 (!hdc && !*psc) { |
| TRACE("No Script_Cache (psc) and no hdc. Ask for one. Hdc=%p, psc=%p\n", hdc, *psc); |
| return E_PENDING; |
| } else |
| if (hdc && !*psc) { |
| pScriptcache = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(Scriptcache) ); |
| pScriptcache->hdc = (HDC) hdc; |
| phdc = hdc; |
| *psc = (Scriptcache *) pScriptcache; |
| } else |
| if (*psc) { |
| pScriptcache = (Scriptcache *) *psc; |
| phdc = pScriptcache->hdc; |
| } |
| |
| TRACE("Before: "); |
| for (cnt = 0; cnt < cChars; cnt++) |
| TRACE("%4x",pwcChars[cnt]); |
| TRACE("\n"); |
| |
| if (!psa->fNoGlyphIndex) { /* Glyph translate */ |
| hr = GetGlyphIndicesW(phdc, pwcChars, cChars, pwOutGlyphs, 0); |
| 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++) { |
| psva[cnt].uJustification = 2; |
| psva[cnt].fClusterStart = 1; |
| psva[cnt].fDiacritic = 0; |
| psva[cnt].fZeroWidth = 0; |
| pwLogClust[cnt] = cnt; |
| } |
| return 0; |
| } |
| |
| /*********************************************************************** |
| * ScriptPlace (USP10.@) |
| * |
| */ |
| 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 ) |
| { |
| HDC phdc; |
| int wcnt; |
| LPABC lpABC; |
| Scriptcache *pScriptcache; |
| FIXME("(%p, %p, %p, %s, %d, %p, %p, %p): semi-stub\n", hdc, psc, pwGlyphs, |
| debugstr_wn(pwGlyphs, cGlyphs), |
| cGlyphs, psva, psa, |
| piAdvance); |
| |
| /* We need a valid hdc to do any of the font calls. The spec says that hdc is optional and |
| * psc will be used first. If psc and hdc are not specified E_PENDING is returned to get |
| * the caller to return the hdc. For convience, the hdc is cached in SCRIPT_CACHE. */ |
| |
| if (!hdc && !*psc) { |
| TRACE("No Script_Cache (psc) and no hdc. Ask for one. Hdc=%p, psc=%p\n", hdc, *psc); |
| return E_PENDING; |
| } else |
| if (hdc && !*psc) { |
| pScriptcache = HeapAlloc( GetProcessHeap(), 0, sizeof(Scriptcache) ); |
| pScriptcache->hdc = hdc; |
| phdc = hdc; |
| *psc = pScriptcache; |
| } else |
| if (*psc) { |
| pScriptcache = *psc; |
| phdc = pScriptcache->hdc; |
| } |
| |
| /* Here we need to calculate the width of the run unit. At this point the input string |
| * has been converted to glyphs and we till need to translate back to the original chars |
| * to get the correct ABC widths. */ |
| |
| lpABC = HeapAlloc(GetProcessHeap(), 0 , sizeof(ABC)*cGlyphs); |
| pABC->abcA = 0; |
| pABC->abcB = 0; |
| pABC->abcC = 0; |
| if (!GetCharABCWidthsI(phdc, 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); |
| 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; |
| } |
| } |
| TRACE("Total for run: abcA=%d, abcB=%d, abcC=%d\n", pABC->abcA, pABC->abcB, pABC->abcC); |
| |
| HeapFree(GetProcessHeap(), 0, lpABC ); |
| |
| return 0; |
| } |
| |
| /*********************************************************************** |
| * ScriptGetCMap (USP10.@) |
| * |
| */ |
| HRESULT WINAPI ScriptGetCMap(HDC hdc, SCRIPT_CACHE *psc, const WCHAR *pwcInChars, |
| int cChars, DWORD dwFlags, WORD *pwOutGlyphs) |
| { |
| HDC phdc; |
| int cnt; |
| DWORD hr; |
| Scriptcache *pScriptcache; |
| FIXME("(%p,%p,%s,%d,0x%x,%p): semi-stub\n", hdc, psc, debugstr_wn(pwcInChars,cChars), |
| cChars, dwFlags, pwOutGlyphs); |
| |
| if (!psc) |
| return E_INVALIDARG; |
| |
| if (!hdc && !*psc) { |
| TRACE("No Script_Cache (psc) and no hdc. Ask for one. Hdc=%p, psc=%p\n", hdc, *psc); |
| return E_PENDING; |
| } else |
| if (hdc && !*psc) { |
| pScriptcache = HeapAlloc( GetProcessHeap(), 0, sizeof(Scriptcache) ); |
| pScriptcache->hdc = hdc; |
| phdc = hdc; |
| *psc = pScriptcache; |
| } else |
| if (*psc) { |
| pScriptcache = *psc; |
| phdc = pScriptcache->hdc; |
| } |
| |
| TRACE("Before: "); |
| for (cnt = 0; cnt < cChars; cnt++) |
| TRACE("%4x",pwcInChars[cnt]); |
| TRACE("\n"); |
| |
| hr = GetGlyphIndicesW(phdc, pwcInChars, cChars, pwOutGlyphs, 0); |
| TRACE("After: "); |
| for (cnt = 0; cnt < cChars; cnt++) { |
| TRACE("%04x",pwOutGlyphs[cnt]); |
| } |
| TRACE("\n"); |
| |
| return 0; |
| } |
| |
| /*********************************************************************** |
| * 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) |
| { |
| HDC phdc; |
| DWORD hr; |
| Scriptcache *pScriptcache; |
| TRACE ("(%p, %p, %d, %d, %04x, %p, %p, %p, %d, %p, %d, %p, %p, %p): stub\n", |
| hdc, psc, x, y, fuOptions, lprc, psa, pwcReserved, iReserved, pwGlyphs, cGlyphs, |
| piAdvance, piJustify, pGoffset); |
| |
| if (!hdc || !psc || !piAdvance || !psa || !pwGlyphs) /* hdc is mandatory */ |
| return E_INVALIDARG; |
| |
| if (!*psc) { |
| pScriptcache = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(Scriptcache) ); |
| pScriptcache->hdc = hdc; |
| phdc = hdc; |
| *psc = pScriptcache; |
| } else { |
| pScriptcache = *psc; |
| phdc = pScriptcache->hdc; |
| } |
| |
| fuOptions &= ETO_CLIPPED + ETO_OPAQUE; |
| if (!psa->fNoGlyphIndex) /* Have Glyphs? */ |
| fuOptions |= ETO_GLYPH_INDEX; /* Say don't do tranlastion to glyph */ |
| |
| hr = ExtTextOutW(phdc, x, y, fuOptions, lprc, pwGlyphs, cGlyphs, NULL); |
| |
| if (hr) return S_OK; |
| else { |
| FIXME("ExtTextOut returned:=%d\n", hr); |
| 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) |
| { |
| HDC phdc; |
| Scriptcache *pScriptcache; |
| TEXTMETRICW metric; |
| |
| TRACE("(%p, %p, %p)\n", hdc, psc, height); |
| |
| if (!psc || !height) |
| return E_INVALIDARG; |
| |
| if (!hdc) return E_PENDING; |
| |
| if (!*psc) { |
| pScriptcache = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(Scriptcache)); |
| pScriptcache->hdc = hdc; |
| phdc = hdc; |
| *psc = pScriptcache; |
| } else { |
| pScriptcache = *psc; |
| phdc = pScriptcache->hdc; |
| } |
| |
| /* FIXME: get this from the cache */ |
| if (!GetTextMetricsW(phdc, &metric)) |
| return E_INVALIDARG; |
| |
| *height = metric.tmHeight; |
| 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) |
| { |
| HDC phdc; |
| Scriptcache *pScriptcache; |
| |
| TRACE("(%p, %p, 0x%04x, %p)\n", hdc, psc, glyph, abc); |
| |
| if (!psc) |
| return E_INVALIDARG; |
| |
| if (!hdc) return E_PENDING; |
| |
| if (!*psc) { |
| pScriptcache = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(Scriptcache)); |
| pScriptcache->hdc = hdc; |
| phdc = hdc; |
| *psc = pScriptcache; |
| } else { |
| pScriptcache = *psc; |
| phdc = pScriptcache->hdc; |
| } |
| |
| /* FIXME: get this from the cache */ |
| if (!GetCharABCWidthsW(phdc, 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; |
| |
| FIXME("(%d, %p, %p, %p): stub\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; |
| } |
| |
| /*********************************************************************** |
| * 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) |
| { |
| FIXME("(%p): stub\n", ssa); |
| return S_OK; |
| } |
