本文整理汇总了C++中QGraphicsItemAnimation::posAt方法的典型用法代码示例。如果您正苦于以下问题:C++ QGraphicsItemAnimation::posAt方法的具体用法?C++ QGraphicsItemAnimation::posAt怎么用?C++ QGraphicsItemAnimation::posAt使用的例子?那么恭喜您, 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QGraphicsItemAnimation
的用法示例。
在下文中一共展示了QGraphicsItemAnimation::posAt方法的2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: construction
void tst_QGraphicsItemAnimation::construction()
{
QGraphicsItemAnimation animation;
QVERIFY(!animation.item());
QVERIFY(!animation.timeLine());
QCOMPARE(animation.posAt(0), QPointF());
QCOMPARE(animation.posAt(0.5), QPointF());
QCOMPARE(animation.posAt(1), QPointF());
QCOMPARE(animation.matrixAt(0), QMatrix());
QCOMPARE(animation.matrixAt(0.5), QMatrix());
QCOMPARE(animation.matrixAt(1), QMatrix());
QCOMPARE(animation.rotationAt(0), qreal(0.0));
QCOMPARE(animation.rotationAt(0.5), qreal(0.0));
QCOMPARE(animation.rotationAt(1), qreal(0.0));
QCOMPARE(animation.xTranslationAt(0), qreal(0.0));
QCOMPARE(animation.xTranslationAt(0.5), qreal(0.0));
QCOMPARE(animation.xTranslationAt(1), qreal(0.0));
QCOMPARE(animation.yTranslationAt(0), qreal(0.0));
QCOMPARE(animation.yTranslationAt(0.5), qreal(0.0));
QCOMPARE(animation.yTranslationAt(1), qreal(0.0));
QCOMPARE(animation.verticalScaleAt(0), qreal(1.0));
QCOMPARE(animation.horizontalScaleAt(0), qreal(1.0));
QCOMPARE(animation.verticalShearAt(0), qreal(0.0));
QCOMPARE(animation.horizontalShearAt(0), qreal(0.0));
animation.clear(); // don't crash
}
示例2: linearMove
void tst_QGraphicsItemAnimation::linearMove()
{
QGraphicsItemAnimation animation;
for (int i = 0; i <= 10; ++i) {
QCOMPARE(animation.posAt(i / 10.0).x(), qreal(0));
QCOMPARE(animation.posAt(i / 10.0).y(), qreal(0));
}
animation.setPosAt(1, QPointF(10, -10));
for (int i = 0; i <= 10; ++i) {
QCOMPARE(animation.posAt(i / 10.0).x(), qreal(i));
QCOMPARE(animation.posAt(i / 10.0).y(), qreal(-i));
}
animation.setPosAt(2, QPointF(10, -10));
QCOMPARE(animation.posAt(11).x(), qreal(10));
}