qcameralens.h - mozsearch

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// Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

#ifndef QT3DRENDER_CAMERALENS_H

#define QT3DRENDER_CAMERALENS_H

#include <Qt3DCore/qcomponent.h>

#include <Qt3DRender/qt3drender_global.h>

#include <QtGui/QMatrix4x4>

#include <QtGui/QQuaternion>

#include <QtGui/QVector3D>

QT_BEGIN_NAMESPACE

namespace Qt3DRender {

class QCameraLensPrivate;

class Q_3DRENDERSHARED_EXPORT QCameraLens : public Qt3DCore::QComponent

    Q_OBJECT

    Q_PROPERTY(ProjectionType projectionType READ projectionType WRITE setProjectionType NOTIFY projectionTypeChanged)

    Q_PROPERTY(float nearPlane READ nearPlane WRITE setNearPlane NOTIFY nearPlaneChanged)

    Q_PROPERTY(float farPlane READ farPlane WRITE setFarPlane NOTIFY farPlaneChanged)

    Q_PROPERTY(float fieldOfView READ fieldOfView WRITE setFieldOfView NOTIFY fieldOfViewChanged)

    Q_PROPERTY(float aspectRatio READ aspectRatio WRITE setAspectRatio NOTIFY aspectRatioChanged)

    Q_PROPERTY(float left READ left WRITE setLeft NOTIFY leftChanged)

    Q_PROPERTY(float right READ right WRITE setRight NOTIFY rightChanged)

    Q_PROPERTY(float bottom READ bottom WRITE setBottom NOTIFY bottomChanged)

    Q_PROPERTY(float top READ top WRITE setTop NOTIFY topChanged)

    Q_PROPERTY(QMatrix4x4 projectionMatrix READ projectionMatrix WRITE setProjectionMatrix NOTIFY projectionMatrixChanged)

    Q_PROPERTY(float exposure READ exposure WRITE setExposure NOTIFY exposureChanged REVISION(2, 9))

public:

    explicit QCameraLens(QNode *parent = nullptr);

    ~QCameraLens();

    enum ProjectionType {

        OrthographicProjection,

        PerspectiveProjection,

        FrustumProjection,

        CustomProjection

};

    Q_ENUM(ProjectionType) // LCOV_EXCL_LINE

    ProjectionType projectionType() const;

    float nearPlane() const;

    float farPlane() const;

    float fieldOfView() const;

    float aspectRatio() const;

    float left() const;

    float right() const;

    float bottom() const;

    float top() const;

    QMatrix4x4 projectionMatrix() const;

    void setOrthographicProjection(float left, float right,

                                   float bottom, float top,

                                   float nearPlane, float farPlane);

    void setFrustumProjection(float left, float right,

                              float bottom, float top,

                              float nearPlane, float farPlane);

    void setPerspectiveProjection(float fieldOfView, float aspect,

                                  float nearPlane, float farPlane);

    float exposure() const;

    void viewAll(Qt3DCore::QNodeId cameraId);

    void viewEntity(Qt3DCore::QNodeId entityId, Qt3DCore::QNodeId cameraId);

public Q_SLOTS:

    void setProjectionType(ProjectionType projectionType);

    void setNearPlane(float nearPlane);

    void setFarPlane(float farPlane);

    void setFieldOfView(float fieldOfView);

    void setAspectRatio(float aspectRatio);

    void setLeft(float left);

    void setRight(float right);

    void setBottom(float bottom);

    void setTop(float top);

    void setProjectionMatrix(const QMatrix4x4 &projectionMatrix);

    void setExposure(float exposure);

Q_SIGNALS:

    void projectionTypeChanged(QCameraLens::ProjectionType projectionType);

    void nearPlaneChanged(float nearPlane);

    void farPlaneChanged(float farPlane);

    void fieldOfViewChanged(float fieldOfView);

    void aspectRatioChanged(float aspectRatio);

    void leftChanged(float left);

    void rightChanged(float right);

    void bottomChanged(float bottom);

    void topChanged(float top);

    void projectionMatrixChanged(const QMatrix4x4 &projectionMatrix);

    void exposureChanged(float exposure);

    void viewSphere(const QVector3D &center, float radius);

protected:

    explicit QCameraLens(QCameraLensPrivate &dd, QNode *parent = nullptr);

private:

    Q_DECLARE_PRIVATE(QCameraLens)

};

} // Qt3DRender

QT_END_NAMESPACE

#endif // QT3DRENDER_CAMERALENS_H