/*
* @implemented
*/
BOOL
WINAPI
LpkExtTextOut(
HDC hdc,
int x,
int y,
UINT fuOptions,
const RECT *lprc,
LPCWSTR lpString,
UINT uCount,
const INT *lpDx,
INT unknown)
{
LPWORD glyphs = NULL;
INT cGlyphs;
UNREFERENCED_PARAMETER(unknown);
if (!(fuOptions & ETO_IGNORELANGUAGE))
fuOptions |= ETO_IGNORELANGUAGE;
/* Check text direction */
if ((GetLayout(hdc) & LAYOUT_RTL) || (GetTextAlign(hdc) & TA_RTLREADING))
{
if (!(fuOptions & ETO_RTLREADING))
fuOptions |= ETO_RTLREADING;
}
/* Check if the string requires complex script processing and not a "glyph indices" array */
if (ScriptIsComplex(lpString, uCount, SIC_COMPLEX) == S_OK && !(fuOptions & ETO_GLYPH_INDEX))
{
BIDI_Reorder(hdc, lpString, uCount, GCP_REORDER,
(fuOptions & ETO_RTLREADING) ? WINE_GCPW_FORCE_RTL : WINE_GCPW_FORCE_LTR,
NULL, uCount, NULL, &glyphs, &cGlyphs);
fuOptions |= ETO_GLYPH_INDEX;
if (uCount > cGlyphs)
cGlyphs = uCount;
return ExtTextOutW(hdc, x, y, fuOptions, lprc, (LPWSTR)glyphs, cGlyphs, lpDx);
}
return ExtTextOutW(hdc, x, y, fuOptions, lprc, lpString, uCount, lpDx);
}
static bool
UseUniscribe(gfxShapedWord *aShapedWord,
const PRUnichar *aString)
{
uint32_t flags = aShapedWord->Flags();
bool useGDI;
bool isXP = (gfxWindowsPlatform::WindowsOSVersion()
< gfxWindowsPlatform::kWindowsVista);
// bug 561304 - Uniscribe bug produces bad positioning at certain
// font sizes on XP, so default to GDI on XP using logic of 3.6
useGDI = isXP &&
(flags &
(gfxTextRunFactory::TEXT_OPTIMIZE_SPEED |
gfxTextRunFactory::TEXT_IS_RTL)
) == gfxTextRunFactory::TEXT_OPTIMIZE_SPEED;
return !useGDI ||
ScriptIsComplex(aString, aShapedWord->Length(), SIC_COMPLEX) == S_OK;
}
static PRBool
UseUniscribe(gfxTextRun *aTextRun,
const PRUnichar *aString,
PRUint32 aRunStart,
PRUint32 aRunLength)
{
PRUint32 flags = aTextRun->GetFlags();
PRBool useGDI;
PRBool isXP = (gfxWindowsPlatform::WindowsOSVersion()
< gfxWindowsPlatform::kWindowsVista);
// bug 561304 - Uniscribe bug produces bad positioning at certain
// font sizes on XP, so default to GDI on XP using logic of 3.6
useGDI = isXP &&
(flags &
(gfxTextRunFactory::TEXT_OPTIMIZE_SPEED |
gfxTextRunFactory::TEXT_IS_RTL)
) == gfxTextRunFactory::TEXT_OPTIMIZE_SPEED;
return !useGDI ||
ScriptIsComplex(aString + aRunStart, aRunLength, SIC_COMPLEX) == S_OK;
}
static gboolean
text_is_simple (const char *text,
gint length)
{
gboolean retval;
wchar_t *wtext;
long wlen;
wtext = (wchar_t *) g_utf8_to_utf16 (text, length, NULL, &wlen, NULL);
if (wtext == NULL)
return TRUE;
retval = (ScriptIsComplex (wtext, wlen, SIC_COMPLEX) == S_FALSE);
g_free (wtext);
#ifdef BASIC_WIN32_DEBUGGING
if (pango_win32_debug)
g_print ("text_is_simple: %.*s (%ld wchar_t): %s\n",
MIN (length, 10), text, wlen, retval ? "YES" : "NO");
#endif
return retval;
}
