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// Copyright (C) 2024 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <QTest>
#include <QtQuick>
#include <QtQuick/private/qquicktranslate_p.h>
QT_BEGIN_NAMESPACE
class tst_qquicktransform : public QObject
{
Q_OBJECT
private slots:
void shearTransform();
};
void tst_qquicktransform::shearTransform()
{
const QRect rect(10, 20, 100, 200);
{
QQuickShear shear;
shear.setXFactor(1.0);
shear.setOrigin(QVector3D(rect.topLeft()));
QMatrix4x4 matrix;
shear.applyTo(&matrix);
QRect mappedRect = matrix.mapRect(rect);
QCOMPARE(mappedRect.topLeft(), rect.topLeft());
QCOMPARE(mappedRect.bottomRight(), rect.bottomRight() + QPoint(rect.height(), 0.0));
}
{
QQuickShear shear;
shear.setOrigin(QVector3D(rect.topLeft()));
shear.setYFactor(0.5);
QMatrix4x4 matrix;
shear.applyTo(&matrix);
QRect mappedRect = matrix.mapRect(rect);
QCOMPARE(mappedRect.topLeft(), rect.topLeft());
QCOMPARE(mappedRect.bottomRight(), rect.bottomRight() + QPoint(0.0, rect.width() * 0.5));
}
{
QQuickShear shear;
shear.setOrigin(QVector3D(rect.topLeft()));
shear.setXFactor(1.0);
shear.setYFactor(0.5);
QMatrix4x4 matrix;
shear.applyTo(&matrix);
QRect mappedRect = matrix.mapRect(rect);
QCOMPARE(mappedRect.topLeft(), rect.topLeft());
QCOMPARE(mappedRect.bottomRight(), rect.bottomRight() + QPoint(rect.height(), rect.width() * 0.5));
}
{
QQuickShear shear;
shear.setOrigin(QVector3D(rect.topLeft()));
shear.setXFactor(0.5);
shear.setXAngle(qAtan(0.5) * 180.0 / M_PI);
QMatrix4x4 matrix;
shear.applyTo(&matrix);
QRect mappedRect = matrix.mapRect(rect);
QCOMPARE(mappedRect.topLeft(), rect.topLeft());
QCOMPARE(mappedRect.bottomRight(), rect.bottomRight() + QPoint(rect.height(), 0.0));
}
{
QQuickShear shear;
shear.setOrigin(QVector3D(rect.topLeft()));
shear.setYFactor(0.25);
shear.setYAngle(qAtan(0.25) * 180.0 / M_PI);
QMatrix4x4 matrix;
shear.applyTo(&matrix);
QRect mappedRect = matrix.mapRect(rect);
QCOMPARE(mappedRect.topLeft(), rect.topLeft());
QCOMPARE(mappedRect.bottomRight(), rect.bottomRight() + QPoint(0.0, rect.width() * 0.5));
}
}
QT_END_NAMESPACE
QTEST_MAIN(tst_qquicktransform)
#include "tst_qquicktransform.moc"
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