2005-07-27 13:02:52 +02:00
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/*
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* Implementation of Uniscribe Script Processor (usp10.dll)
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*
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* Copyright 2005 Steven Edwards for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Notes:
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* Uniscribe allows for processing of complex scripts such as joining
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* and filtering characters and bi-directional text with custom line breaks.
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*/
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#include <stdarg.h>
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2005-08-10 11:51:40 +02:00
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#include "windef.h"
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#include "winbase.h"
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2005-11-28 11:52:55 +01:00
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#include "wingdi.h"
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2005-08-10 11:51:40 +02:00
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#include "winuser.h"
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#include "usp10.h"
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2005-07-27 13:02:52 +02:00
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#include "wine/debug.h"
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2005-11-15 13:02:16 +01:00
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/**
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* some documentation here:
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* http://www.microsoft.com/typography/developers/uniscribe/uniscribe.htm
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*/
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2005-07-27 13:02:52 +02:00
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WINE_DEFAULT_DEBUG_CHANNEL(uniscribe);
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2006-02-16 12:06:18 +01:00
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#define MAX_SCRIPTS 8
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/* Set up a default for ScriptGetProperties */
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static const SCRIPT_PROPERTIES Default_Script_0 = {0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0};
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static const SCRIPT_PROPERTIES Default_Script_1 = {0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0};
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static const SCRIPT_PROPERTIES Default_Script_2 = {0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0};
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static const SCRIPT_PROPERTIES Default_Script_3 = {9, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0};
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static const SCRIPT_PROPERTIES Default_Script_4 = {9, 1, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0};
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static const SCRIPT_PROPERTIES Default_Script_5 = {9, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 1, 0, 0};
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static const SCRIPT_PROPERTIES Default_Script_6 = {9, 1, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 1, 0, 0};
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static const SCRIPT_PROPERTIES Default_Script_7 = {8, 0, 0, 0, 0, 161, 0, 0,
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0, 0, 0, 0, 0, 0, 0};
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static const SCRIPT_PROPERTIES *Global_Script[MAX_SCRIPTS] =
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{&Default_Script_0,
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&Default_Script_1,
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&Default_Script_2,
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&Default_Script_3,
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&Default_Script_4,
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&Default_Script_5,
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&Default_Script_6,
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&Default_Script_7};
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2006-02-20 10:19:32 +01:00
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typedef struct scriptcache {
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HDC hdc;
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DWORD GlyphToChar[256];
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int HaveWidths;
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ABC CharWidths[256];
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} Scriptcache;
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2005-07-27 13:02:52 +02:00
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BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
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{
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switch(fdwReason) {
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case DLL_PROCESS_ATTACH:
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DisableThreadLibraryCalls(hInstDLL);
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break;
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case DLL_PROCESS_DETACH:
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break;
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}
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return TRUE;
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}
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2006-01-09 17:16:57 +01:00
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/***********************************************************************
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* ScriptFreeCache (USP10.@)
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*
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*/
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HRESULT WINAPI ScriptFreeCache(SCRIPT_CACHE *psc)
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{
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2006-02-20 10:19:32 +01:00
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TRACE("%p\n", psc);
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2006-01-09 17:16:57 +01:00
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2006-02-20 10:19:32 +01:00
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if (psc) {
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HeapFree ( GetProcessHeap(), 0, *psc);
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*psc = NULL;
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}
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2006-01-09 17:16:57 +01:00
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return 0;
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}
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2005-11-23 20:14:04 +01:00
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/***********************************************************************
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* ScriptGetProperties (USP10.@)
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*
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*/
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2005-07-27 13:02:52 +02:00
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HRESULT WINAPI ScriptGetProperties(const SCRIPT_PROPERTIES ***ppSp, int *piNumScripts)
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{
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2006-02-16 12:06:18 +01:00
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TRACE("%p,%p\n",ppSp, piNumScripts);
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2006-01-09 17:16:57 +01:00
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2006-02-16 12:06:18 +01:00
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/* Set up a sensible default and intialise pointers */
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*piNumScripts = MAX_SCRIPTS;
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*ppSp = Global_Script;
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TRACE("ppSp:%p, *ppSp:%p, **ppSp:%p, %d\n", ppSp, *ppSp, **ppSp,
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*piNumScripts);
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2006-01-09 17:16:57 +01:00
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return 0;
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2005-07-27 13:02:52 +02:00
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}
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2005-11-23 20:14:04 +01:00
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/***********************************************************************
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* ScriptGetFontProperties (USP10.@)
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*
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*/
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2005-08-01 11:18:53 +02:00
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HRESULT WINAPI ScriptGetFontProperties(HDC hdc, SCRIPT_CACHE *psc, SCRIPT_FONTPROPERTIES *sfp)
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{
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FIXME("%p,%p,%p\n", hdc, psc, sfp);
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/* return something sensible? */
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if (NULL != sfp) {
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sfp->cBytes = sizeof(SCRIPT_FONTPROPERTIES);
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sfp->wgBlank = 0;
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sfp->wgDefault = 0;
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sfp->wgInvalid = 0;
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sfp->wgKashida = 1;
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sfp->iKashidaWidth = 0;
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}
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return 0;
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}
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2005-11-23 20:14:04 +01:00
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/***********************************************************************
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* ScriptRecordDigitSubstitution (USP10.@)
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*
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*/
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2005-07-27 13:02:52 +02:00
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HRESULT WINAPI ScriptRecordDigitSubstitution(LCID Locale,SCRIPT_DIGITSUBSTITUTE *psds)
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{
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FIXME("%ld,%p\n",Locale,psds);
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return E_NOTIMPL;
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}
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2005-11-23 20:14:04 +01:00
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/***********************************************************************
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* ScriptApplyDigitSubstitution (USP10.@)
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*
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*/
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2005-07-27 13:02:52 +02:00
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HRESULT WINAPI ScriptApplyDigitSubstitution(const SCRIPT_DIGITSUBSTITUTE* psds,
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SCRIPT_CONTROL* psc, SCRIPT_STATE* pss)
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{
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FIXME("%p,%p,%p\n",psds,psc,pss);
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return E_NOTIMPL;
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}
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2005-11-23 20:14:04 +01:00
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/***********************************************************************
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* ScriptItemize (USP10.@)
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*
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*/
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2005-07-27 13:02:52 +02:00
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HRESULT WINAPI ScriptItemize(const WCHAR *pwcInChars, int cInChars, int cMaxItems,
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const SCRIPT_CONTROL *psControl, const SCRIPT_STATE *psState,
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SCRIPT_ITEM *pItems, int *pcItems)
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{
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2006-02-18 16:00:29 +01:00
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/* This implementation currently treats the entire string represented in
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* pwcInChars as a single entity. Hence pcItems will be set to 1. */
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2006-02-20 10:19:32 +01:00
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FIXME("%s,%d,%d,%p,%p,%p,%p: semi-stub\n", debugstr_w(pwcInChars), cInChars, cMaxItems,
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2005-07-27 13:02:52 +02:00
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psControl, psState, pItems, pcItems);
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2006-01-09 17:16:57 +01:00
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if (!pwcInChars || !cInChars || !pItems || cMaxItems < 2)
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return E_INVALIDARG;
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2006-02-18 16:00:29 +01:00
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/* Set a sensible default */
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/* Set SCRIPT_ITEM */
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pItems[0].iCharPos = 0;
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/* Set the SCRIPT_ANALYSIS */
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pItems[0].a.eScript = SCRIPT_UNDEFINED;
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pItems[0].a.fRTL = 0;
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pItems[0].a.fLayoutRTL = 0;
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pItems[0].a.fLinkBefore = 0;
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pItems[0].a.fLinkAfter = 0;
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pItems[0].a.fLogicalOrder = 0;
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pItems[0].a.fNoGlyphIndex = 0;
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/* set the SCRIPT_STATE */
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pItems[0].a.s.uBidiLevel = 0;
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pItems[0].a.s.fOverrideDirection = 0;
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pItems[0].a.s.fInhibitSymSwap = FALSE;
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pItems[0].a.s.fCharShape = 0;
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pItems[0].a.s.fDigitSubstitute = 0;
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pItems[0].a.s.fInhibitLigate = 0;
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pItems[0].a.s.fDisplayZWG = 0;
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pItems[0].a.s.fArabicNumContext = 0;
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pItems[0].a.s.fGcpClusters = 0;
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pItems[0].a.s.fReserved = 0;
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pItems[0].a.s.fEngineReserved = 0;
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/* While not strickly necessary according to the spec, make sure the n+1
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* item is set up to prevent random behaviour if the caller eroneously
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* checks the n+1 structure */
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pItems[1].a.eScript = 0;
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pItems[1].a.fRTL = 0;
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pItems[1].a.fLayoutRTL = 0;
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pItems[1].a.fLinkBefore = 0;
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pItems[1].a.fLinkAfter = 0;
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pItems[1].a.fLogicalOrder = 0;
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pItems[1].a.fNoGlyphIndex = 0;
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/* set the SCRIPT_STATE */
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pItems[1].a.s.uBidiLevel = 0;
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pItems[1].a.s.fOverrideDirection = 0;
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pItems[1].a.s.fInhibitSymSwap = FALSE;
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pItems[1].a.s.fCharShape = 0;
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pItems[1].a.s.fDigitSubstitute = 0;
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pItems[1].a.s.fInhibitLigate = 0;
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pItems[1].a.s.fDisplayZWG = 0;
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pItems[1].a.s.fArabicNumContext = 0;
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pItems[1].a.s.fGcpClusters = 0;
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pItems[1].a.s.fReserved = 0;
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pItems[1].a.s.fEngineReserved = 0;
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/* Set one SCRIPT_STATE item being returned */
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*pcItems = 1;
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/* Set SCRIPT_ITEM */
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pItems[1].iCharPos = cInChars - pItems[0].iCharPos ; /* the last + 1 item
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contains the ptr to the lastchar */
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TRACE("%s,%d,%d,%p,%p,%p,%p,%d\n", debugstr_w(pwcInChars), cInChars, cMaxItems,
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psControl, psState, pItems, pcItems, *pcItems);
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TRACE("Start Pos in string: %d, Stop Pos %d\n", pItems[0].iCharPos, pItems[1].iCharPos);
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2006-01-09 17:16:57 +01:00
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return 0;
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2005-07-27 13:02:52 +02:00
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}
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2005-11-15 13:02:16 +01:00
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2005-11-23 20:14:04 +01:00
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/***********************************************************************
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* ScriptStringAnalyse (USP10.@)
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*
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*/
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2005-11-15 13:02:16 +01:00
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HRESULT WINAPI ScriptStringAnalyse(HDC hdc,
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const void *pString,
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int cString,
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int cGlyphs,
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int iCharset,
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DWORD dwFlags,
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int iReqWidth,
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SCRIPT_CONTROL *psControl,
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SCRIPT_STATE *psState,
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const int *piDx,
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SCRIPT_TABDEF *pTabdef,
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const BYTE *pbInClass,
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SCRIPT_STRING_ANALYSIS *pssa)
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{
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FIXME("(%p,%p,%d,%d,%d,0x%lx,%d,%p,%p,%p,%p,%p,%p): stub\n",
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hdc, pString, cString, cGlyphs, iCharset, dwFlags,
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iReqWidth, psControl, psState, piDx, pTabdef, pbInClass, pssa);
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if (1 > cString || NULL == pString) {
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return E_INVALIDARG;
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}
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if ((dwFlags & SSA_GLYPHS) && NULL == hdc) {
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return E_INVALIDARG;
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}
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return E_NOTIMPL;
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}
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2005-11-23 20:14:04 +01:00
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/***********************************************************************
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* ScriptStringFree (USP10.@)
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*
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*/
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2005-11-15 13:02:16 +01:00
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HRESULT WINAPI ScriptStringFree(SCRIPT_STRING_ANALYSIS *pssa) {
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FIXME("(%p): stub\n",pssa);
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return S_OK;
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}
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2005-11-23 20:14:04 +01:00
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/***********************************************************************
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* ScriptIsComplex (USP10.@)
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*
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*/
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2005-11-15 13:02:16 +01:00
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HRESULT WINAPI ScriptIsComplex(const WCHAR* pwcInChars, int cInChars, DWORD dwFlags) {
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FIXME("(%s,%d,0x%lx): stub\n", debugstr_w(pwcInChars), cInChars, dwFlags);
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return E_NOTIMPL;
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}
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2006-02-14 17:38:20 +01:00
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/***********************************************************************
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* ScriptShape (USP10.@)
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*
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*/
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HRESULT WINAPI ScriptShape(HDC hdc, SCRIPT_CACHE *psc, const WCHAR *pwcChars,
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int cChars, int cMaxGlyphs,
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SCRIPT_ANALYSIS *psa, WORD *pwOutGlyphs, WORD *pwLogClust,
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SCRIPT_VISATTR *psva, int *pcGlyphs)
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{
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2006-02-20 10:19:32 +01:00
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/* Note SCRIPT_CACHE (*psc) appears to be a good place to save info that needs to be
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* passed between functions. */
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HDC phdc;
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int cnt;
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DWORD hr;
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int clusterinit;
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Scriptcache *pScriptcache;
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*pcGlyphs = cChars;
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FIXME("(%p, %p, %p, %d, %d, %p): semi-stub\n", hdc, psc, pwcChars,
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cChars, cMaxGlyphs, psa);
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if (psa) TRACE("%d, %d, %d, %d, %d, %d, %d\n", psa->eScript, psa->fRTL, psa->fLayoutRTL,
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psa->fLinkBefore, psa->fLinkAfter,
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psa->fLogicalOrder, psa->fNoGlyphIndex);
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if (cChars > cMaxGlyphs) return E_OUTOFMEMORY;
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if (!hdc && !*psc) {
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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) hdc;
|
|
|
|
phdc = hdc;
|
|
|
|
pScriptcache->HaveWidths = 0;
|
|
|
|
*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");
|
2006-02-14 17:38:20 +01:00
|
|
|
|
2006-02-20 10:19:32 +01:00
|
|
|
if (!psa->fNoGlyphIndex) { /* Glyph translate */
|
|
|
|
hr = GetGlyphIndicesW(phdc, pwcChars, cChars, pwOutGlyphs, 0);
|
|
|
|
TRACE("After: ");
|
|
|
|
for (cnt = 0; cnt < cChars; cnt++) {
|
|
|
|
TRACE("%04x",pwOutGlyphs[cnt]);
|
|
|
|
pScriptcache->GlyphToChar[pwOutGlyphs[cnt]] = pwcChars[cnt]; /* save for ScriptPlace */
|
|
|
|
}
|
|
|
|
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]);
|
|
|
|
pScriptcache->GlyphToChar[pwcChars[cnt]] = pwcChars[cnt]; /* set up a dummy table */
|
|
|
|
}
|
|
|
|
TRACE("\n");
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Set up a valid SCRIPT_VISATTR for this run */
|
|
|
|
clusterinit = 1; /* Start of Cluster */
|
|
|
|
for (cnt = 0; cnt < cChars; cnt++) {
|
|
|
|
psva[cnt].uJustification = 0;
|
|
|
|
psva[cnt].fClusterStart = clusterinit;
|
|
|
|
clusterinit = 0;
|
|
|
|
psva[cnt].fDiacritic = 0;
|
|
|
|
psva[cnt].fZeroWidth = 0;
|
|
|
|
}
|
|
|
|
return 0;
|
2006-02-14 17:38:20 +01:00
|
|
|
}
|
2006-02-20 10:19:32 +01:00
|
|
|
|
2006-02-14 17:38:20 +01:00
|
|
|
/***********************************************************************
|
|
|
|
* 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 )
|
|
|
|
{
|
2006-02-21 10:24:24 +01:00
|
|
|
HDC phdc;
|
|
|
|
int wcnt;
|
|
|
|
LPABC lpABC;
|
|
|
|
Scriptcache *pScriptcache;
|
|
|
|
FIXME("(%p, %p, %p, %s, %d, %p, %p, %p): semi-stub\n", hdc, psc, pwGlyphs,
|
2006-02-14 17:38:20 +01:00
|
|
|
debugstr_w(pwGlyphs),
|
|
|
|
cGlyphs, psva, psa,
|
|
|
|
piAdvance);
|
|
|
|
|
2006-02-21 10:24:24 +01:00
|
|
|
/* 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. To make life easier the ABC widths are saved in the
|
|
|
|
* SCRIPT_CACHE. This is ok as the cache must be invalidated if the font or font size
|
|
|
|
* changes. */
|
|
|
|
|
|
|
|
lpABC = pScriptcache->CharWidths;
|
|
|
|
pABC->abcA = 0;
|
|
|
|
pABC->abcB = 0;
|
|
|
|
pABC->abcC = 0;
|
|
|
|
if (!pScriptcache->HaveWidths) {
|
|
|
|
if (GetCharABCWidthsW(phdc, 0, 255, lpABC ))
|
|
|
|
pScriptcache->HaveWidths = 1;
|
|
|
|
else {
|
|
|
|
WARN("Could not get ABC values\n");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
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[pScriptcache->GlyphToChar[pwGlyphs[wcnt]]].abcA,
|
|
|
|
lpABC[pScriptcache->GlyphToChar[pwGlyphs[wcnt]]].abcB,
|
|
|
|
lpABC[pScriptcache->GlyphToChar[pwGlyphs[wcnt]]].abcC, wcnt);
|
|
|
|
pABC->abcA += lpABC[pScriptcache->GlyphToChar[pwGlyphs[wcnt]]].abcA;
|
|
|
|
pABC->abcB += lpABC[pScriptcache->GlyphToChar[pwGlyphs[wcnt]]].abcB;
|
|
|
|
pABC->abcC += lpABC[pScriptcache->GlyphToChar[pwGlyphs[wcnt]]].abcC;
|
|
|
|
}
|
|
|
|
TRACE("Total for run: abcA=%d, abcB=%d, abcC=%d\n", pABC->abcA, pABC->abcB, pABC->abcC);
|
|
|
|
|
|
|
|
return 0;
|
2006-02-14 17:38:20 +01:00
|
|
|
}
|
2006-02-14 17:38:47 +01:00
|
|
|
|
|
|
|
/***********************************************************************
|
|
|
|
* ScriptGetCMap (USP10.@)
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
HRESULT WINAPI ScriptGetCMap(HDC hdc, SCRIPT_CACHE *psc, const WCHAR *pwcInChars,
|
|
|
|
int cChars, DWORD dwFlags, WORD *pwOutGlyphs)
|
|
|
|
{
|
|
|
|
FIXME("(%p,%p,%s,%d,0x%lx,%p): stub\n", hdc, psc, debugstr_w(pwcInChars), cChars, dwFlags, pwOutGlyphs);
|
|
|
|
return E_NOTIMPL;
|
|
|
|
}
|
2006-02-21 10:47:39 +01:00
|
|
|
|
|
|
|
/***********************************************************************
|
|
|
|
* 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;
|
|
|
|
}
|
|
|
|
|