tst_qquick3dcustomcamera.cpp

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// Copyright (C) 2019 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only

#include <QTest>

#include <QSignalSpy>

#include <QtQuick3D/private/qquick3dcustomcamera_p.h>

#include <QtQuick3DRuntimeRender/private/qssgrendercamera_p.h>

class tst_QQuick3DCustomCamera : public QObject

    Q_OBJECT

    // Work-around to get access to updateSpatialNode

    class Camera : public QQuick3DCustomCamera

    public:

        using QQuick3DCamera::updateSpatialNode;

};

private slots:

    void testCustomProjection();

};

void tst_QQuick3DCustomCamera::testCustomProjection()

    Camera camera;

    auto node = static_cast<QSSGRenderCamera *>(camera.updateSpatialNode(nullptr));

    const auto originalNode = node; // for comparisons later...

    QVERIFY(node);

    // clang-format off

    const QMatrix4x4 customProjection = {

        2, 0, 0, 0,

        0, 4, 0, 0,

        0, 0, 2, 0,

        0, 0, 0, 1,

};

    // clang-format on

    camera.setProjection(customProjection);

    node = static_cast<QSSGRenderCamera *>(camera.updateSpatialNode(node));

    QCOMPARE(originalNode, node);

    QVERIFY(node->isDirty(QSSGRenderCamera::DirtyFlag::CameraDirty));

    QCOMPARE(customProjection, node->projection);

QTEST_APPLESS_MAIN(tst_QQuick3DCustomCamera)

#include "tst_qquick3dcustomcamera.moc"