vasilito
cf12defd28
Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent) Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
59 lines
1.6 KiB
C++
59 lines
1.6 KiB
C++
/*
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SPDX-FileCopyrightText: 2021 Volker Krause <vkrause@kde.org>
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SPDX-License-Identifier: LGPL-2.0-or-later
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*/
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#include <QImageReader>
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#include <QStandardPaths>
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#include <QTest>
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#include <KIconEngine>
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#include <KIconLoader>
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static int setupEnvBeforeQApplication = []() {
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qunsetenv("QT_SCREEN_SCALE_FACTORS");
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qputenv("QT_SCALE_FACTOR", "2.0");
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return 1;
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}();
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class KIconEngine_Scaled_UnitTest : public QObject
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{
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Q_OBJECT
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private Q_SLOTS:
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void initTestCase()
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{
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QStandardPaths::setTestModeEnabled(true);
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}
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void testCenterIcon()
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{
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QIcon icon(new KIconEngine(QStringLiteral(":/test-22x22.png"), KIconLoader::global()));
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QVERIFY(!icon.isNull());
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QWindow w;
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QCOMPARE(w.devicePixelRatio(), 2.0);
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auto image = icon.pixmap(QSize(22, 22), w.devicePixelRatio()).toImage();
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QCOMPARE(image.devicePixelRatio(), 2.0);
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QCOMPARE(image.size(), QSize(44, 44));
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QImageReader reader(QStringLiteral(":/test-22x22.png"));
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reader.setScaledSize(QSize(44, 44));
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QImage unscaled = reader.read();
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QVERIFY(!unscaled.isNull());
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QCOMPARE(unscaled.size(), QSize(44, 44));
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unscaled.setDevicePixelRatio(2.0);
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QCOMPARE(image, unscaled);
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// center vertically
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QVERIFY(icon.pixmap(QSize(22, 26), w.devicePixelRatio()).toImage().copy(0, 4, 44, 44) == image);
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// center horizontally
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QVERIFY(icon.pixmap(QSize(26, 22), w.devicePixelRatio()).toImage().copy(4, 0, 44, 44) == image);
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}
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};
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QTEST_MAIN(KIconEngine_Scaled_UnitTest)
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#include "kiconengine_scaled_unittest.moc"
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