| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the test suite module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:GPL-EXCEPT$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
| ** Software or, alternatively, in accordance with the terms contained in |
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| ** information use the contact form at https://www.qt.io/contact-us. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 3 as published by the Free Software |
| ** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT |
| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
| ** be met: https://www.gnu.org/licenses/gpl-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #include <qtest.h> |
| #include <QGraphicsItem> |
| #include <QGraphicsScene> |
| #include <QGraphicsView> |
| |
| class tst_QGraphicsItem : public QObject |
| { |
| Q_OBJECT |
| |
| public: |
| tst_QGraphicsItem(); |
| virtual ~tst_QGraphicsItem(); |
| |
| public slots: |
| void initTestCase(); |
| void init(); |
| void cleanup(); |
| |
| private slots: |
| void setParentItem(); |
| void setParentItem_deep(); |
| void setParentItem_deep_reversed(); |
| void deleteItemWithManyChildren(); |
| void setPos_data(); |
| void setPos(); |
| void setTransform_data(); |
| void setTransform(); |
| void rotate(); |
| void scale(); |
| void shear(); |
| void translate(); |
| }; |
| |
| tst_QGraphicsItem::tst_QGraphicsItem() |
| { |
| } |
| |
| tst_QGraphicsItem::~tst_QGraphicsItem() |
| { |
| } |
| |
| static inline void processEvents() |
| { |
| QApplication::processEvents(); |
| QApplication::processEvents(); |
| } |
| |
| void tst_QGraphicsItem::initTestCase() |
| { |
| processEvents(); |
| QTest::qWait(1500); |
| processEvents(); |
| } |
| |
| void tst_QGraphicsItem::init() |
| { |
| processEvents(); |
| } |
| |
| void tst_QGraphicsItem::cleanup() |
| { |
| } |
| |
| void tst_QGraphicsItem::setParentItem() |
| { |
| QBENCHMARK { |
| QGraphicsRectItem rect; |
| QGraphicsRectItem *childRect = new QGraphicsRectItem; |
| childRect->setParentItem(&rect); |
| } |
| } |
| |
| void tst_QGraphicsItem::setParentItem_deep() |
| { |
| QBENCHMARK { |
| QGraphicsRectItem rect; |
| QGraphicsRectItem *lastRect = ▭ |
| for (int i = 0; i < 10; ++i) { |
| QGraphicsRectItem *childRect = new QGraphicsRectItem; |
| childRect->setParentItem(lastRect); |
| lastRect = childRect; |
| } |
| QGraphicsItem *first = rect.childItems().first(); |
| first->setParentItem(0); |
| } |
| } |
| |
| void tst_QGraphicsItem::setParentItem_deep_reversed() |
| { |
| QBENCHMARK { |
| QGraphicsRectItem *lastRect = new QGraphicsRectItem; |
| for (int i = 0; i < 100; ++i) { |
| QGraphicsRectItem *parentRect = new QGraphicsRectItem; |
| lastRect->setParentItem(parentRect); |
| lastRect = parentRect; |
| } |
| delete lastRect; |
| } |
| } |
| |
| void tst_QGraphicsItem::deleteItemWithManyChildren() |
| { |
| QBENCHMARK { |
| QGraphicsRectItem *rect = new QGraphicsRectItem; |
| for (int i = 0; i < 1000; ++i) |
| new QGraphicsRectItem(rect); |
| delete rect; |
| } |
| } |
| |
| void tst_QGraphicsItem::setPos_data() |
| { |
| QTest::addColumn<QPointF>("pos"); |
| |
| QTest::newRow("0, 0") << QPointF(0, 0); |
| QTest::newRow("10, 10") << QPointF(10, 10); |
| QTest::newRow("-10, -10") << QPointF(-10, -10); |
| } |
| |
| void tst_QGraphicsItem::setPos() |
| { |
| QFETCH(QPointF, pos); |
| |
| QGraphicsScene scene; |
| QGraphicsRectItem *rect = scene.addRect(QRectF(0, 0, 100, 100)); |
| processEvents(); |
| |
| QBENCHMARK { |
| rect->setPos(pos); |
| } |
| } |
| |
| void tst_QGraphicsItem::setTransform_data() |
| { |
| QTest::addColumn<QTransform>("transform"); |
| |
| QTest::newRow("rotate 45z") << QTransform().rotate(45); |
| QTest::newRow("scale 2x2") << QTransform().scale(2, 2); |
| QTest::newRow("translate 100, 100") << QTransform().translate(100, 100); |
| QTest::newRow("rotate 45x 45y 45z") << QTransform().rotate(45, Qt::XAxis) |
| .rotate(45, Qt::YAxis).rotate(45, Qt::ZAxis); |
| } |
| |
| void tst_QGraphicsItem::setTransform() |
| { |
| QFETCH(QTransform, transform); |
| |
| QGraphicsScene scene; |
| QGraphicsRectItem *item = scene.addRect(QRectF(0, 0, 100, 100)); |
| processEvents(); |
| |
| QBENCHMARK { |
| item->setTransform(transform); |
| } |
| } |
| |
| void tst_QGraphicsItem::rotate() |
| { |
| QGraphicsScene scene; |
| QGraphicsItem *item = scene.addRect(QRectF(0, 0, 100, 100)); |
| processEvents(); |
| |
| const QTransform rotate(QTransform().rotate(45)); |
| QBENCHMARK { |
| item->setTransform(rotate, true); |
| } |
| } |
| |
| void tst_QGraphicsItem::scale() |
| { |
| QGraphicsScene scene; |
| QGraphicsItem *item = scene.addRect(QRectF(0, 0, 100, 100)); |
| processEvents(); |
| |
| const QTransform scale(QTransform::fromScale(2, 2)); |
| QBENCHMARK { |
| item->setTransform(scale, true); |
| } |
| } |
| |
| void tst_QGraphicsItem::shear() |
| { |
| QGraphicsScene scene; |
| QGraphicsItem *item = scene.addRect(QRectF(0, 0, 100, 100)); |
| processEvents(); |
| |
| const QTransform shear = QTransform().shear(1.5, 1.5); |
| QBENCHMARK { |
| item->setTransform(shear, true); |
| } |
| } |
| |
| void tst_QGraphicsItem::translate() |
| { |
| QGraphicsScene scene; |
| QGraphicsItem *item = scene.addRect(QRectF(0, 0, 100, 100)); |
| processEvents(); |
| |
| const QTransform translate = QTransform::fromTranslate(100, 100); |
| QBENCHMARK { |
| item->setTransform(translate, true); |
| } |
| } |
| |
| QTEST_MAIN(tst_QGraphicsItem) |
| #include "tst_qgraphicsitem.moc" |