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/*
* Copyright 2020 Kai Pastor
*
* This file is part of OpenOrienteering.
*
* OpenOrienteering is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* OpenOrienteering is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with OpenOrienteering. If not, see <http://www.gnu.org/licenses/>.
*/
#include <Qt>
#include <QtGlobal>
#include <QtPlugin>
#include <QtTest>
#include <QCommonStyle>
#include <QIcon>
#include <QObject>
#include <QPixmap>
#include <QSize>
#include <QStaticPlugin>
#include <QString>
#include <QStyle>
#include "core/map_coord.h"
#include "gui/scaling_icon_engine.h"
#include "gui/widgets/mapper_proxystyle.h"
using namespace OpenOrienteering;
/**
* @test Tests style customizations.
*/
class StyleTest : public QObject
{
Q_OBJECT
private slots:
void scalingIconEngineTest();
void standardIconTest();
};
/**
* Tests key behaviours of ScalingIconEngine.
*/
void StyleTest::scalingIconEngineTest()
{
QPixmap pm(4, 4);
pm.fill(Qt::red);
{
// Testing Qt's default behaviour:
QIcon icon(pm);
// Scaling down
QCOMPARE(icon.actualSize(QSize(1,1)), QSize(1,1));
QCOMPARE(icon.pixmap(QSize(1,1)).size(), QSize(1,1));
// Not scaling up
QCOMPARE(icon.actualSize(QSize(10,10)), QSize(4,4));
QCOMPARE(icon.pixmap(QSize(10,10)).size(), QSize(4,4));
}
{
// ScalingIconEngine:
QIcon icon(new ScalingIconEngine(QString{}));
icon.addPixmap(pm);
// Scaling down
QCOMPARE(icon.actualSize(QSize(1,1)), QSize(1,1));
QCOMPARE(icon.pixmap(QSize(1,1)).size(), QSize(1,1));
// Scaling up
QCOMPARE(icon.actualSize(QSize(10,10)), QSize(10,10));
QCOMPARE(icon.pixmap(QSize(10,10)).size(), QSize(10,10));
}
}
/**
* Tests standard icon behaviours of MapperProxyStyle
*/
void StyleTest::standardIconTest()
{
// CommonStyle doesn't use PNG for QStyle::SP_TitleBarMenuButton,
// so it is not passed through ScalingIconEngine.
auto const standard_icon = QStyle::SP_TitleBarMenuButton;
auto const large = QSize(1000, 1000);
{
// Testing Qt's default behaviour:
auto const size = QCommonStyle().standardIcon(standard_icon).actualSize(large);
QVERIFY(size.width() < large.width());
QVERIFY(size.height() < large.height());
}
{
// ScalingIconEngine:
// MapperProxyStyle must ensure use of the scaling icon engine
QCOMPARE(MapperProxyStyle().standardIcon(standard_icon, nullptr, nullptr).actualSize(large), large);
}
}
/*
* We select a non-standard QPA because we don't need a real GUI window.
*
* Normally, the "offscreen" plugin would be the correct one.
* However, it bails out with a QFontDatabase error (cf. QTBUG-33674)
*/
namespace {
auto Q_DECL_UNUSED qpa_selected = qputenv("QT_QPA_PLATFORM", "minimal"); // clazy:exclude=non-pod-global-static
}
Q_IMPORT_PLUGIN(ScalingIconEnginePlugin)
QTEST_MAIN(StyleTest)
#include "style_t.moc" // IWYU pragma: keep
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