qt 6.5.1 original

tests/benchmarks/widgets/graphicsview/qgraphicsitem/CMakeLists.txt

@@ -0,0 +1,15 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+#####################################################################
+## tst_bench_qgraphicsitem Binary:
+#####################################################################
+
+qt_internal_add_benchmark(tst_bench_qgraphicsitem
+    SOURCES
+        tst_qgraphicsitem.cpp
+    LIBRARIES
+        Qt::Gui
+        Qt::Test
+        Qt::Widgets
+)

tests/benchmarks/widgets/graphicsview/qgraphicsitem/tst_qgraphicsitem.cpp

@@ -0,0 +1,239 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#include <qtest.h>
+#include <QGraphicsItem>
+#include <QGraphicsScene>
+#include <QGraphicsView>
+#include <QTextDocument>
+
+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();
+    void createTextItem();
+    void createTextItemNoLayouting();
+};
+
+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 = &rect;
+        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);
+    }
+}
+
+void tst_QGraphicsItem::createTextItem()
+{
+    // Ensure QFontDatabase loaded the font beforehand
+    QFontInfo(qApp->font()).family();
+    const QString text = "This is some text";
+    QBENCHMARK {
+        QGraphicsTextItem item(text);
+    }
+}
+
+void tst_QGraphicsItem::createTextItemNoLayouting()
+{
+    // Ensure QFontDatabase loaded the font beforehand
+    QFontInfo(qApp->font()).family();
+    const QString text = "This is some text";
+    QBENCHMARK {
+        QGraphicsTextItem item;
+        item.document()->setLayoutEnabled(false);
+        // Prepare everything
+        item.setPlainText(text);
+        QTextOption option = item.document()->defaultTextOption();
+        option.setAlignment(Qt::AlignHCenter);
+        item.document()->setDefaultTextOption(option);
+        // And (in a real app) enable layouting here
+    }
+}
+
+QTEST_MAIN(tst_QGraphicsItem)
+#include "tst_qgraphicsitem.moc"