diff options
Diffstat (limited to 'tests/auto/gui/kernel/qbackingstore/tst_qbackingstore.cpp')
-rw-r--r-- | tests/auto/gui/kernel/qbackingstore/tst_qbackingstore.cpp | 85 |
1 files changed, 84 insertions, 1 deletions
diff --git a/tests/auto/gui/kernel/qbackingstore/tst_qbackingstore.cpp b/tests/auto/gui/kernel/qbackingstore/tst_qbackingstore.cpp index d9528fc8e4..a830d14be8 100644 --- a/tests/auto/gui/kernel/qbackingstore/tst_qbackingstore.cpp +++ b/tests/auto/gui/kernel/qbackingstore/tst_qbackingstore.cpp @@ -1,9 +1,11 @@ // Copyright (C) 2016 The Qt Company Ltd. -// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0 +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only #include <qwindow.h> #include <qbackingstore.h> #include <qpa/qplatformbackingstore.h> +#include <qpa/qplatformintegration.h> +#include <private/qguiapplication_p.h> #include <qpainter.h> #include <QTest> @@ -30,6 +32,8 @@ private slots: void scroll(); void flush(); + + void staticContents(); }; void tst_QBackingStore::initTestCase_data() @@ -89,6 +93,11 @@ void tst_QBackingStore::paint() QRect rect(0, 0, 100, 100); backingStore.resize(rect.size()); + // Partial fill of a fresh backingstore should not crash + backingStore.beginPaint(QRect(0, 0, 50, 50)); + backingStore.endPaint(); + backingStore.flush(rect); + // Two rounds, with flush in between for (int i = 0; i < 2; ++i) { backingStore.beginPaint(rect); @@ -267,5 +276,79 @@ void tst_QBackingStore::flush() QTRY_VERIFY(window.isExposed()); } +void tst_QBackingStore::staticContents() +{ + const auto *integration = QGuiApplicationPrivate::platformIntegration(); + if (!integration->hasCapability(QPlatformIntegration::BackingStoreStaticContents)) + QSKIP("Platform does not support static backingstore content"); + + QWindow window; + window.create(); + + const auto dpr = window.devicePixelRatio(); + + QBackingStore backingStore(&window); + + QRect initialRect(0, 0, 100, 100); + + // Static contents without paint first should not crash + backingStore.setStaticContents(initialRect); + backingStore.resize(initialRect.size()); + QCOMPARE(backingStore.size(), initialRect.size()); + backingStore.beginPaint(QRect(0, 0, 50, 50)); + backingStore.endPaint(); + backingStore.handle()->toImage(); + + { + backingStore.setStaticContents(QRect()); + backingStore.beginPaint(initialRect); + QPainter p(backingStore.paintDevice()); + p.fillRect(initialRect, Qt::green); + p.end(); + backingStore.endPaint(); + + QImage image = backingStore.handle()->toImage(); + if (image.isNull()) + QSKIP("Platform backingstore does not implement toImage"); + + QCOMPARE(image.pixelColor(initialRect.topLeft() * dpr), Qt::green); + QCOMPARE(image.pixelColor(initialRect.bottomLeft() * dpr), Qt::green); + QCOMPARE(image.pixelColor(initialRect.topRight() * dpr), Qt::green); + QCOMPARE(image.pixelColor(initialRect.bottomRight() * dpr), Qt::green); + } + + { + backingStore.setStaticContents(initialRect); + + QRect resizedRect(0, 0, 200, 200); + backingStore.resize(resizedRect.size()); + + QRegion repaintRegion = QRegion(resizedRect) - QRegion(initialRect); + + backingStore.beginPaint(repaintRegion); + QPainter p(backingStore.paintDevice()); + for (auto repaintRect : repaintRegion) + p.fillRect(repaintRect, Qt::red); + p.end(); + backingStore.endPaint(); + + QImage image = backingStore.handle()->toImage(); + if (image.isNull()) + QSKIP("Platform backingstore does not implement toImage"); + + QCOMPARE(image.pixelColor(initialRect.topLeft() * dpr), Qt::green); + QCOMPARE(image.pixelColor(initialRect.bottomLeft() * dpr), Qt::green); + QCOMPARE(image.pixelColor(initialRect.topRight() * dpr), Qt::green); + QCOMPARE(image.pixelColor(initialRect.bottomRight() * dpr), Qt::green); + + for (auto repaintRect : repaintRegion) { + QCOMPARE(image.pixelColor(repaintRect.topLeft() * dpr), Qt::red); + QCOMPARE(image.pixelColor(repaintRect.bottomLeft() * dpr), Qt::red); + QCOMPARE(image.pixelColor(repaintRect.topRight() * dpr), Qt::red); + QCOMPARE(image.pixelColor(repaintRect.bottomRight() * dpr), Qt::red); + } + } +} + #include <tst_qbackingstore.moc> QTEST_MAIN(tst_QBackingStore); |