本文整理汇总了C++中QPointF::size方法的典型用法代码示例。如果您正苦于以下问题:C++ QPointF::size方法的具体用法?C++ QPointF::size怎么用?C++ QPointF::size使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类QPointF
的用法示例。
在下文中一共展示了QPointF::size方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: rectIntersectPolyHollow
return path;
}
bool minigis::rectIntersectPolyHollow(const QRectF &rect, const QPolygonF &poly, bool closed)
{
foreach (QPointF p, poly)
if (rect.contains(p))
return true;
QLineF top(rect.topLeft(), rect.topRight());
QLineF right(rect.topRight(), rect.bottomRight());
QLineF bottom(rect.bottomRight(), rect.bottomLeft());
QLineF left(rect.bottomLeft(), rect.topLeft());
int N = closed ? poly.size() + 1 : poly.size();
for (int i = 1; i < N; ++i) {
QLineF tmp(poly[i-1], poly[i % poly.size()]);
QPointF a;
if (top.intersect(tmp, &a) == QLineF::BoundedIntersection)
return true;
if (bottom.intersect(tmp, &a) == QLineF::BoundedIntersection)
return true;
if (right.intersect(tmp, &a) == QLineF::BoundedIntersection)
return true;
if (left.intersect(tmp, &a) == QLineF::BoundedIntersection)
return true;
}
return false;
}