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-rw-r--r--src/gui/painting/qpainterpath.cpp68
1 files changed, 62 insertions, 6 deletions
diff --git a/src/gui/painting/qpainterpath.cpp b/src/gui/painting/qpainterpath.cpp
index 1b2c4e3..bd91dfc 100644
--- a/src/gui/painting/qpainterpath.cpp
+++ b/src/gui/painting/qpainterpath.cpp
@@ -1299,10 +1299,10 @@ static QRectF qt_painterpath_bezier_extrema(const QBezier &b)
qreal bx = QT_BEZIER_B(b, x);
qreal cx = QT_BEZIER_C(b, x);
// specialcase quadratic curves to avoid div by zero
- if (qFuzzyCompare(ax + 1, 1)) {
+ if (qFuzzyIsNull(ax)) {
// linear curves are covered by initialization.
- if (!qFuzzyCompare(bx + 1, 1)) {
+ if (!qFuzzyIsNull(bx)) {
qreal t = -cx / bx;
QT_BEZIER_CHECK_T(b, t);
}
@@ -1329,10 +1329,10 @@ static QRectF qt_painterpath_bezier_extrema(const QBezier &b)
qreal cy = QT_BEZIER_C(b, y);
// specialcase quadratic curves to avoid div by zero
- if (qFuzzyCompare(ay + 1, 1)) {
+ if (qFuzzyIsNull(ay)) {
// linear curves are covered by initialization.
- if (!qFuzzyCompare(by + 1, 1)) {
+ if (!qFuzzyIsNull(by)) {
qreal t = -cy / by;
QT_BEZIER_CHECK_T(b, t);
}
@@ -2000,7 +2000,63 @@ bool QPainterPath::intersects(const QRectF &rect) const
return false;
}
+/*!
+ Translates all elements in the path by (\a{dx}, \a{dy}).
+
+ \since 4.6
+ \sa translated()
+*/
+void QPainterPath::translate(qreal dx, qreal dy)
+{
+ if (!d_ptr || (dx == 0 && dy == 0))
+ return;
+
+ int elementsLeft = d_ptr->elements.size();
+ if (elementsLeft <= 0)
+ return;
+
+ detach();
+ QPainterPath::Element *element = d_func()->elements.data();
+ Q_ASSERT(element);
+ while (elementsLeft--) {
+ element->x += dx;
+ element->y += dy;
+ ++element;
+ }
+}
+
+/*!
+ \fn void QPainterPath::translate(const QPointF &offset)
+ \overload
+ \since 4.6
+ Translates all elements in the path by the given \a offset.
+
+ \sa translated()
+*/
+
+/*!
+ Returns a copy of the path that is translated by (\a{dx}, \a{dy}).
+
+ \since 4.6
+ \sa translate()
+*/
+QPainterPath QPainterPath::translated(qreal dx, qreal dy) const
+{
+ QPainterPath copy(*this);
+ copy.translate(dx, dy);
+ return copy;
+}
+
+/*!
+ \fn void QPainterPath::translated(const QPointF &offset)
+ \overload
+ \since 4.6
+
+ Returns a copy of the path that is translated by the given \a offset.
+
+ \sa translate()
+*/
/*!
\fn bool QPainterPath::contains(const QRectF &rectangle) const
@@ -2867,7 +2923,7 @@ qreal QPainterPath::angleAtPercent(qreal t) const
return QLineF(0, 0, m1, m2).angle();
}
-#if defined(Q_OS_WINCE)
+#if defined(Q_WS_WINCE)
#pragma warning( disable : 4056 4756 )
#endif
@@ -3292,7 +3348,7 @@ QDebug operator<<(QDebug s, const QPainterPath &p)
s.nospace() << "QPainterPath: Element count=" << p.elementCount() << endl;
const char *types[] = {"MoveTo", "LineTo", "CurveTo", "CurveToData"};
for (int i=0; i<p.elementCount(); ++i) {
- s.nospace() << " -> " << types[p.elementAt(i).type] << "(x=" << p.elementAt(i).x << ", y=" << p.elementAt(i).y << ")" << endl;
+ s.nospace() << " -> " << types[p.elementAt(i).type] << "(x=" << p.elementAt(i).x << ", y=" << p.elementAt(i).y << ')' << endl;
}
return s;