diff options
Diffstat (limited to 'src/gui/text/qfontmetrics.cpp')
| -rw-r--r-- | src/gui/text/qfontmetrics.cpp | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/src/gui/text/qfontmetrics.cpp b/src/gui/text/qfontmetrics.cpp index ca8500b..5cd85fb 100644 --- a/src/gui/text/qfontmetrics.cpp +++ b/src/gui/text/qfontmetrics.cpp @@ -443,6 +443,21 @@ bool QFontMetrics::inFont(QChar ch) const } /*! + Returns true if the character encoded in UCS-4/UTF-32 is a valid + character in the font; otherwise returns false. +*/ +bool QFontMetrics::inFontUcs4(uint ucs4) const +{ + const int script = QUnicodeTables::script(ucs4); + QFontEngine *engine = d->engineForScript(script); + Q_ASSERT(engine != 0); + if (engine->type() == QFontEngine::Box) + return false; + QString utf16 = QString::fromUcs4(&ucs4, 1); + return engine->canRender(utf16.data(), utf16.length()); +} + +/*! Returns the left bearing of character \a ch in the font. The left bearing is the right-ward distance of the left-most pixel @@ -1315,6 +1330,21 @@ bool QFontMetricsF::inFont(QChar ch) const } /*! + Returns true if the character encoded in UCS-4/UTF-32 is a valid + character in the font; otherwise returns false. +*/ +bool QFontMetricsF::inFontUcs4(uint ucs4) const +{ + const int script = QUnicodeTables::script(ucs4); + QFontEngine *engine = d->engineForScript(script); + Q_ASSERT(engine != 0); + if (engine->type() == QFontEngine::Box) + return false; + QString utf16 = QString::fromUcs4(&ucs4, 1); + return engine->canRender(utf16.data(), utf16.length()); +} + +/*! Returns the left bearing of character \a ch in the font. The left bearing is the right-ward distance of the left-most pixel @@ -1779,7 +1809,7 @@ qreal QFontMetricsF::lineWidth() const Use the boundingRect() function in combination with QString::left() instead. - + \oldcode QRect rect = boundingRect(text, len); \newcode |