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/*
* 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 ", New_Script, pItems[index].a.eScript);
TRACE("index=%d cnt=%d iCharPos=%d\n", 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;
}
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