/* * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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 "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; 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); /* Set up a sensible default and intialise pointers */ *piNumScripts = MAX_SCRIPTS; *ppSp = Global_Script; TRACE("ppSp:%p, *ppSp:%p, **ppSp:%p, %d\n", ppSp, *ppSp, **ppSp, *piNumScripts); 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.@) * */ HRESULT WINAPI ScriptRecordDigitSubstitution(LCID Locale,SCRIPT_DIGITSUBSTITUTE *psds) { FIXME("%ld,%p\n",Locale,psds); return E_NOTIMPL; } /*********************************************************************** * ScriptApplyDigitSubstitution (USP10.@) * */ HRESULT WINAPI ScriptApplyDigitSubstitution(const SCRIPT_DIGITSUBSTITUTE* psds, SCRIPT_CONTROL* psc, SCRIPT_STATE* pss) { FIXME("%p,%p,%p\n",psds,psc,pss); return E_NOTIMPL; } /*********************************************************************** * 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) { /* This implementation currently treats the entire string represented in * pwcInChars as a single entity. Hence pcItems will be set to 1. */ FIXME("%s,%d,%d,%p,%p,%p,%p: semi-stub\n", debugstr_wn(pwcInChars, cInChars), cInChars, cMaxItems, psControl, psState, pItems, pcItems); if (!pwcInChars || !cInChars || !pItems || cMaxItems < 2) return E_INVALIDARG; /* Set a sensible default */ /* Set SCRIPT_ITEM */ pItems[0].iCharPos = 0; /* Set the SCRIPT_ANALYSIS */ pItems[0].a.eScript = SCRIPT_UNDEFINED; pItems[0].a.fRTL = 0; pItems[0].a.fLayoutRTL = 0; pItems[0].a.fLinkBefore = 0; pItems[0].a.fLinkAfter = 0; pItems[0].a.fLogicalOrder = 0; pItems[0].a.fNoGlyphIndex = 0; /* set the SCRIPT_STATE */ pItems[0].a.s.uBidiLevel = 0; pItems[0].a.s.fOverrideDirection = 0; pItems[0].a.s.fInhibitSymSwap = FALSE; pItems[0].a.s.fCharShape = 0; pItems[0].a.s.fDigitSubstitute = 0; pItems[0].a.s.fInhibitLigate = 0; pItems[0].a.s.fDisplayZWG = 0; pItems[0].a.s.fArabicNumContext = 0; pItems[0].a.s.fGcpClusters = 0; pItems[0].a.s.fReserved = 0; pItems[0].a.s.fEngineReserved = 0; /* 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[1].a.eScript = 0; pItems[1].a.fRTL = 0; pItems[1].a.fLayoutRTL = 0; pItems[1].a.fLinkBefore = 0; pItems[1].a.fLinkAfter = 0; pItems[1].a.fLogicalOrder = 0; pItems[1].a.fNoGlyphIndex = 0; /* set the SCRIPT_STATE */ pItems[1].a.s.uBidiLevel = 0; pItems[1].a.s.fOverrideDirection = 0; pItems[1].a.s.fInhibitSymSwap = FALSE; pItems[1].a.s.fCharShape = 0; pItems[1].a.s.fDigitSubstitute = 0; pItems[1].a.s.fInhibitLigate = 0; pItems[1].a.s.fDisplayZWG = 0; pItems[1].a.s.fArabicNumContext = 0; pItems[1].a.s.fGcpClusters = 0; pItems[1].a.s.fReserved = 0; pItems[1].a.s.fEngineReserved = 0; /* Set one SCRIPT_STATE item being returned */ *pcItems = 1; /* Set SCRIPT_ITEM */ pItems[1].iCharPos = cInChars - pItems[0].iCharPos ; /* the last + 1 item contains the ptr to the lastchar */ TRACE("%s,%d,%d,%p,%p,%p,%p,%d\n", debugstr_wn(pwcInChars, cInChars), cInChars, cMaxItems, psControl, psState, pItems, pcItems, *pcItems); TRACE("Start Pos in string: %d, Stop Pos %d\n", pItems[0].iCharPos, pItems[1].iCharPos); return 0; } /*********************************************************************** * 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%lx,%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_INVALIDARG; } return E_NOTIMPL; } /*********************************************************************** * ScriptStringFree (USP10.@) * */ HRESULT WINAPI ScriptStringFree(SCRIPT_STRING_ANALYSIS *pssa) { FIXME("(%p): stub\n",pssa); return S_OK; } /*********************************************************************** * ScriptIsComplex (USP10.@) * */ HRESULT WINAPI ScriptIsComplex(const WCHAR* pwcInChars, int cInChars, DWORD dwFlags) { FIXME("(%s,%d,0x%lx): stub\n", debugstr_wn(pwcInChars, cInChars), cInChars, dwFlags); return E_NOTIMPL; } /*********************************************************************** * 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%lx,%p): semi-stub\n", hdc, psc, debugstr_wn(pwcInChars,cChars), cChars, dwFlags, pwOutGlyphs); 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) { FIXME("(%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); return E_NOTIMPL; }