diff options
Diffstat (limited to 'src/gui/painting/qpainterpath.cpp')
-rw-r--r-- | src/gui/painting/qpainterpath.cpp | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/src/gui/painting/qpainterpath.cpp b/src/gui/painting/qpainterpath.cpp index b0515cc..c238578 100644 --- a/src/gui/painting/qpainterpath.cpp +++ b/src/gui/painting/qpainterpath.cpp @@ -576,6 +576,14 @@ QPainterPath &QPainterPath::operator=(const QPainterPath &other) } /*! + \fn void QPainterPath::swap(QPainterPath &other) + \since 4.8 + + Swaps painter path \a other with this painter path. This operation is very + fast and never fails. +*/ + +/*! Destroys this QPainterPath object. */ QPainterPath::~QPainterPath() @@ -866,7 +874,7 @@ void QPainterPath::arcTo(const QRectF &rect, qreal startAngle, qreal sweepLength rect.x(), rect.y(), rect.width(), rect.height(), startAngle, sweepLength); #endif - if (!qt_is_finite(rect.x()) && !qt_is_finite(rect.y()) || !qt_is_finite(rect.width()) || !qt_is_finite(rect.height()) + if ((!qt_is_finite(rect.x()) && !qt_is_finite(rect.y())) || !qt_is_finite(rect.width()) || !qt_is_finite(rect.height()) || !qt_is_finite(startAngle) || !qt_is_finite(sweepLength)) { #ifndef QT_NO_DEBUG qWarning("QPainterPath::arcTo: Adding arc where a parameter is NaN or Inf, ignoring call"); @@ -1118,6 +1126,7 @@ void QPainterPath::addText(const QPointF &point, const QFont &f, const QString & QTextEngine *eng = layout.engine(); layout.beginLayout(); QTextLine line = layout.createLine(); + Q_UNUSED(line); layout.endLayout(); const QScriptLine &sl = eng->lines[0]; if (!sl.length || !eng->layoutData) @@ -1896,7 +1905,7 @@ static bool qt_isect_curve_horizontal(const QBezier &bezier, qreal y, qreal x1, if (y >= bounds.top() && y < bounds.bottom() && bounds.right() >= x1 && bounds.left() < x2) { const qreal lower_bound = qreal(.01); - if (depth == 32 || bounds.width() < lower_bound && bounds.height() < lower_bound) + if (depth == 32 || (bounds.width() < lower_bound && bounds.height() < lower_bound)) return true; QBezier first_half, second_half; @@ -1915,7 +1924,7 @@ static bool qt_isect_curve_vertical(const QBezier &bezier, qreal x, qreal y1, qr if (x >= bounds.left() && x < bounds.right() && bounds.bottom() >= y1 && bounds.top() < y2) { const qreal lower_bound = qreal(.01); - if (depth == 32 || bounds.width() < lower_bound && bounds.height() < lower_bound) + if (depth == 32 || (bounds.width() < lower_bound && bounds.height() < lower_bound)) return true; QBezier first_half, second_half; @@ -2915,9 +2924,12 @@ QPointF QPainterPath::pointAtPercent(qreal t) const return QPointF(); } - if (isEmpty()) + if (!d_ptr || d_ptr->elements.size() == 0) return QPointF(); + if (d_ptr->elements.size() == 1) + return d_ptr->elements.at(0); + qreal totalLength = length(); qreal curLen = 0; qreal bezierLen = 0; |