C++ (Cpp) CustomEffect::update Beispiele

Beispiel #1

Datei: tst_qgraphicseffect.cpp Projekt: RS102839/qt

void tst_QGraphicsEffect::itemHasNoContents()
{
    QGraphicsRectItem *parent = new QGraphicsRectItem;
    parent->setFlag(QGraphicsItem::ItemHasNoContents);

    MyGraphicsItem *child = new MyGraphicsItem;
    child->setParentItem(parent);
    child->resize(200, 200);

    QGraphicsScene scene;
    scene.addItem(parent);

    QGraphicsView view(&scene);
    view.show();
    QTest::qWaitForWindowShown(&view);
    QTRY_COMPARE(child->nbPaint, 1);

    CustomEffect *effect = new CustomEffect;
    parent->setGraphicsEffect(effect);
    QTRY_COMPARE(effect->numRepaints, 1);

    for (int i = 0; i < 3; ++i) {
        effect->reset();
        effect->update();
        QTRY_COMPARE(effect->numRepaints, 1);
    }
}

Beispiel #2

Datei: tst_qgraphicseffect.cpp Projekt: dewhisna/emscripten-qt

void tst_QGraphicsEffect::itemHasNoContents()
{
    QGraphicsRectItem *parent = new QGraphicsRectItem;
    parent->setFlag(QGraphicsItem::ItemHasNoContents);

    MyGraphicsItem *child = new MyGraphicsItem;
    child->setParentItem(parent);
    child->resize(200, 200);

    QGraphicsScene scene;
    scene.addItem(parent);

    QGraphicsView view(&scene);
    view.show();
    QTest::qWaitForWindowShown(&view);
#ifdef Q_OS_MAC
    if (QSysInfo::MacintoshVersion == QSysInfo::MV_LION) {
        QEXPECT_FAIL("", "QTBUG-26858", Abort);
    }
#endif
    QTRY_COMPARE(child->nbPaint, 1);

    CustomEffect *effect = new CustomEffect;
    parent->setGraphicsEffect(effect);
    QTRY_COMPARE(effect->numRepaints, 1);

    for (int i = 0; i < 3; ++i) {
        effect->reset();
        effect->update();
        QTRY_COMPARE(effect->numRepaints, 1);
    }
}