Move QCamera/QCameraLens to Qt3DRender

Also get rid of Qt3DRender::QWindow and of the hard codes camera
controller.

Change-Id: I307735d01caf97b7a690b28de8dc99fc9866c35f
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>

1 files changed, 173 insertions, 0 deletions

diff --git a/src/render/frontend/qcamera.h b/src/render/frontend/qcamera.h
new file mode 100644
index 000000000..737b7415a
--- /dev/null
+++ b/src/render/frontend/qcamera.h
@@ -0,0 +1,173 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the Qt3D module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL3$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPLv3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or later as published by the Free
+** Software Foundation and appearing in the file LICENSE.GPL included in
+** the packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QT3DRENDER_CAMERA_H
+#define QT3DRENDER_CAMERA_H
+
+#include <Qt3DCore/qentity.h>
+#include <Qt3DRender/qt3drender_global.h>
+#include <Qt3DRender/qcameralens.h>
+#include <QMatrix4x4>
+#include <QQuaternion>
+#include <QVector3D>
+
+QT_BEGIN_NAMESPACE
+
+namespace Qt3DCore {
+class QEntity;
+class QTransform;
+}
+
+namespace Qt3DRender {
+
+class QCameraPrivate;
+
+class QT3DRENDERSHARED_EXPORT QCamera : public Qt3DCore::QEntity
+{
+    Q_OBJECT
+    // CameraLens
+    Q_PROPERTY(Qt3DRender::QCameraLens::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 NOTIFY projectionMatrixChanged)
+    // LookAt
+    Q_PROPERTY(QVector3D position READ position WRITE setPosition NOTIFY positionChanged)
+    Q_PROPERTY(QVector3D upVector READ upVector WRITE setUpVector NOTIFY upVectorChanged)
+    Q_PROPERTY(QVector3D viewCenter READ viewCenter WRITE setViewCenter NOTIFY viewCenterChanged)
+    Q_PROPERTY(QVector3D viewVector READ viewVector NOTIFY viewVectorChanged)
+    Q_PROPERTY(QMatrix4x4 viewMatrix READ viewMatrix NOTIFY viewMatrixChanged)
+
+public:
+    explicit QCamera(QNode *parent = 0);
+    ~QCamera();
+
+    enum CameraTranslationOption {
+        TranslateViewCenter,
+        DontTranslateViewCenter
+    };
+    Q_ENUM(CameraTranslationOption)
+
+    QCameraLens *lens() const;
+    Qt3DCore::QTransform *transform() const;
+
+    QQuaternion tiltRotation(float angle) const;
+    QQuaternion panRotation(float angle) const;
+    QQuaternion rollRotation(float angle) const;
+    QQuaternion rotation(float angle, const QVector3D &axis) const;
+
+    // Translate relative to camera orientation axes
+    Q_INVOKABLE void translate(const QVector3D& vLocal, CameraTranslationOption option = TranslateViewCenter);
+
+    // Translate relative to world axes
+    Q_INVOKABLE void translateWorld(const QVector3D& vWorld, CameraTranslationOption option = TranslateViewCenter);
+
+    Q_INVOKABLE void tilt(float angle);
+    Q_INVOKABLE void pan(float angle);
+    Q_INVOKABLE void pan(float angle, const QVector3D &axis);
+    Q_INVOKABLE void roll(float angle);
+
+    Q_INVOKABLE void tiltAboutViewCenter(float angle);
+    Q_INVOKABLE void panAboutViewCenter(float angle);
+    Q_INVOKABLE void panAboutViewCenter(float angle, const QVector3D &axis);
+    Q_INVOKABLE void rollAboutViewCenter(float angle);
+
+    Q_INVOKABLE void rotate(const QQuaternion& q);
+    Q_INVOKABLE void rotateAboutViewCenter(const QQuaternion& q);
+
+    QCameraLens::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;
+    QVector3D position() const;
+    QVector3D upVector() const;
+    QVector3D viewCenter() const;
+    QVector3D viewVector() const;
+    QMatrix4x4 viewMatrix() const;
+
+public Q_SLOTS:
+    void setProjectionType(QCameraLens::ProjectionType type);
+    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 setPosition(const QVector3D &position);
+    void setUpVector(const QVector3D &upVector);
+    void setViewCenter(const QVector3D &viewCenter);
+
+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 positionChanged(const QVector3D &position);
+    void upVectorChanged(const QVector3D &upVector);
+    void viewCenterChanged(const QVector3D &viewCenter);
+    void viewVectorChanged(const QVector3D &viewVector);
+    void viewMatrixChanged(const QMatrix4x4 &viewMatrix);
+
+protected:
+    Q_DECLARE_PRIVATE(QCamera)
+    QT3D_CLONEABLE(QCamera)
+    QCamera(QCameraPrivate &dd, QNode *parent = 0);
+};
+
+} // namespace Qt3DRender
+
+QT_END_NAMESPACE
+
+#endif // QT3DRENDER_CAMERA_H