diff options
Diffstat (limited to 'tests/auto/widgets/kernel/qwidget/tst_qwidget.cpp')
-rw-r--r-- | tests/auto/widgets/kernel/qwidget/tst_qwidget.cpp | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/tests/auto/widgets/kernel/qwidget/tst_qwidget.cpp b/tests/auto/widgets/kernel/qwidget/tst_qwidget.cpp index 27cf884fd5..9e676556de 100644 --- a/tests/auto/widgets/kernel/qwidget/tst_qwidget.cpp +++ b/tests/auto/widgets/kernel/qwidget/tst_qwidget.cpp @@ -376,6 +376,8 @@ private slots: void focusWidget_task254563(); void rectOutsideCoordinatesLimit_task144779(); void setGraphicsEffect(); + void render_graphicsEffect_data(); + void render_graphicsEffect(); #ifdef QT_BUILD_INTERNAL void destroyBackingStore(); @@ -10380,6 +10382,157 @@ void tst_QWidget::setGraphicsEffect() QVERIFY(!blurEffect); } + +class TestGraphicsEffect : public QGraphicsEffect +{ +public: + TestGraphicsEffect(QObject *parent = nullptr) + : QGraphicsEffect(parent) + { + m_pattern = QPixmap(10, 10); + m_pattern.fill(Qt::lightGray); + QPainter p(&m_pattern); + p.fillRect(QRectF(0, 0, 5, 5), QBrush(Qt::darkGray)); + p.fillRect(QRectF(5, 5, 5, 5), QBrush(Qt::darkGray)); + } + void setExtent(int extent) + { + m_extent = extent; + } + QRectF boundingRectFor(const QRectF &sr) const override + { + return QRectF(sr.x() - m_extent, sr.y() - m_extent, + sr.width() + 2 * m_extent, sr.height() + 2 * m_extent); + } +protected: + void draw(QPainter *painter) override + { + QBrush brush; + brush.setTexture(m_pattern); + brush.setStyle(Qt::TexturePattern); + QPaintDevice *p = painter->device(); + painter->fillRect(QRect(-m_extent, -m_extent, + p->width() + m_extent, p->height() + m_extent), brush); + } + QPixmap m_pattern; + int m_extent = 0; +}; + +static QImage fillExpected1() +{ + QImage expected(QSize(40, 40), QImage::Format_RGB32); + QPainter p(&expected); + p.fillRect(QRect{{0, 0}, expected.size()}, QBrush(Qt::gray)); + p.fillRect(QRect(10, 10, 10, 10), QBrush(Qt::red)); + p.fillRect(QRect(20, 20, 10, 10), QBrush(Qt::blue)); + return expected; +} +static QImage fillExpected2() +{ + QImage expected = fillExpected1(); + QPainter p(&expected); + p.fillRect(QRect(10, 10, 5, 5), QBrush(Qt::darkGray)); + p.fillRect(QRect(15, 15, 5, 5), QBrush(Qt::darkGray)); + p.fillRect(QRect(15, 10, 5, 5), QBrush(Qt::lightGray)); + p.fillRect(QRect(10, 15, 5, 5), QBrush(Qt::lightGray)); + return expected; +} +static QImage fillExpected3() +{ + QImage expected(QSize(40, 40), QImage::Format_RGB32); + QPixmap pattern; + pattern = QPixmap(10, 10); + pattern.fill(Qt::lightGray); + QPainter p(&pattern); + p.fillRect(QRectF(0, 0, 5, 5), QBrush(Qt::darkGray)); + p.fillRect(QRectF(5, 5, 5, 5), QBrush(Qt::darkGray)); + QBrush brush; + brush.setTexture(pattern); + brush.setStyle(Qt::TexturePattern); + QPainter p2(&expected); + p2.fillRect(QRect{{0, 0}, expected.size()}, brush); + return expected; +} +static QImage fillExpected4() +{ + QImage expected = fillExpected1(); + QPixmap pattern; + pattern = QPixmap(10, 10); + pattern.fill(Qt::lightGray); + QPainter p(&pattern); + p.fillRect(QRectF(0, 0, 5, 5), QBrush(Qt::darkGray)); + p.fillRect(QRectF(5, 5, 5, 5), QBrush(Qt::darkGray)); + QBrush brush; + brush.setTexture(pattern); + brush.setStyle(Qt::TexturePattern); + QPainter p2(&expected); + p2.fillRect(QRect{{15, 15}, QSize{20, 20}}, brush); + return expected; +} + +void tst_QWidget::render_graphicsEffect_data() +{ + QTest::addColumn<QImage>("expected"); + QTest::addColumn<bool>("topLevelEffect"); + QTest::addColumn<bool>("child1Effect"); + QTest::addColumn<bool>("child2Effect"); + QTest::addColumn<int>("extent"); + + QTest::addRow("no_effect") << fillExpected1() << false << false << false << 0; + QTest::addRow("first_child_effect") << fillExpected2() << false << true << false << 0; + QTest::addRow("top_level_effect") << fillExpected3() << true << false << false << 0; + QTest::addRow("effect_with_extent") << fillExpected4() << false << false << true << 5; +} + +void tst_QWidget::render_graphicsEffect() +{ + QFETCH(QImage, expected); + QFETCH(bool, topLevelEffect); + QFETCH(bool, child1Effect); + QFETCH(bool, child2Effect); + QFETCH(int, extent); + + QScopedPointer<QWidget> topLevel(new QWidget); + topLevel->setPalette(Qt::gray); + topLevel->resize(40, 40); + topLevel->setWindowTitle(QLatin1String(QTest::currentTestFunction()) + QLatin1String("::") + + QLatin1String(QTest::currentDataTag())); + + // Render widget with 2 child widgets + QImage image(topLevel->size(), QImage::Format_RGB32); + image.fill(QColor(Qt::gray).rgb()); + + QPainter painter(&image); + + QWidget *childWidget1(new QWidget(topLevel.data())); + childWidget1->setAutoFillBackground(true); + childWidget1->setPalette(Qt::red); + childWidget1->resize(10, 10); + childWidget1->move(10, 10); + QWidget *childWidget2(new QWidget(topLevel.data())); + childWidget2->setAutoFillBackground(true); + childWidget2->setPalette(Qt::blue); + childWidget2->resize(10, 10); + childWidget2->move(20, 20); + + TestGraphicsEffect *graphicsEffect(new TestGraphicsEffect(topLevel.data())); + if (topLevelEffect) + topLevel->setGraphicsEffect(graphicsEffect); + if (child1Effect) + childWidget1->setGraphicsEffect(graphicsEffect); + if (child2Effect) + childWidget2->setGraphicsEffect(graphicsEffect); + graphicsEffect->setExtent(extent); + + // Render without effect + topLevel->render(&painter); +#ifdef RENDER_DEBUG + image.save("render_GraphicsEffect" + QTest::currentDataTag() + ".png"); + expected.save("render_GraphicsEffect_expected" + QTest::currentDataTag() + ".png"); +#endif + QCOMPARE(image, expected); +} + void tst_QWidget::activateWindow() { if (!QGuiApplicationPrivate::platformIntegration()->hasCapability(QPlatformIntegration::WindowActivation)) |