| /**************************************************************************** |
| ** |
| ** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB). |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the Qt3D module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** 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 https://www.qt.io/terms-conditions. For further |
| ** information use the contact form at https://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.LGPL3 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-3.0.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 (at your option) the GNU General |
| ** Public license version 3 or any later version approved by the KDE Free |
| ** Qt Foundation. The licenses are as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 |
| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
| ** be met: https://www.gnu.org/licenses/gpl-2.0.html and |
| ** https://www.gnu.org/licenses/gpl-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #ifndef QT3DRENDER_CAMERALENS_P_H |
| #define QT3DRENDER_CAMERALENS_P_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists for the convenience |
| // of other Qt classes. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include <Qt3DRender/private/qt3drender_global_p.h> |
| #include <Qt3DCore/private/qcomponent_p.h> |
| #include <Qt3DCore/private/qnodecommand_p.h> |
| |
| #include "qcameralens.h" |
| |
| #include <QtGui/qmatrix4x4.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| namespace Qt3DRender { |
| |
| struct CameraLensCommand |
| { |
| QString name; |
| QVariant data; |
| Qt3DCore::QNodeCommand::CommandId commandId; |
| |
| inline operator bool() const { return !name.isEmpty(); } |
| }; |
| |
| inline bool operator ==(const CameraLensCommand &a, const CameraLensCommand &b) noexcept |
| { |
| return a.name == b.name && a.data == b.data && a.commandId == b.commandId; |
| } |
| |
| inline bool operator !=(const CameraLensCommand &a, const CameraLensCommand &b) noexcept |
| { |
| return !(a == b); |
| } |
| |
| class Q_3DRENDERSHARED_PRIVATE_EXPORT QCameraLensPrivate : public Qt3DCore::QComponentPrivate |
| { |
| public: |
| QCameraLensPrivate(); |
| |
| inline void updateProjectionMatrix() |
| { |
| switch (m_projectionType) { |
| case QCameraLens::OrthographicProjection: |
| updateOrthographicProjection(); |
| break; |
| case QCameraLens::PerspectiveProjection: |
| updatePerpectiveProjection(); |
| break; |
| case QCameraLens::FrustumProjection: |
| updateFrustumProjection(); |
| break; |
| case QCameraLens::CustomProjection: |
| break; |
| } |
| } |
| |
| Q_DECLARE_PUBLIC(QCameraLens) |
| |
| QCameraLens::ProjectionType m_projectionType; |
| |
| float m_nearPlane; |
| float m_farPlane; |
| |
| float m_fieldOfView; |
| float m_aspectRatio; |
| |
| float m_left; |
| float m_right; |
| float m_bottom; |
| float m_top; |
| |
| mutable QMatrix4x4 m_projectionMatrix; |
| |
| float m_exposure; |
| |
| CameraLensCommand m_pendingViewAllCommand; |
| void processViewAllCommand(Qt3DCore::QNodeCommand::CommandId commandId, const QVariant &data); |
| |
| private: |
| inline void updatePerpectiveProjection() |
| { |
| Q_Q(QCameraLens); |
| m_projectionMatrix.setToIdentity(); |
| m_projectionMatrix.perspective(m_fieldOfView, m_aspectRatio, m_nearPlane, m_farPlane); |
| Q_EMIT q->projectionMatrixChanged(m_projectionMatrix); |
| } |
| |
| inline void updateOrthographicProjection() |
| { |
| Q_Q(QCameraLens); |
| m_projectionMatrix.setToIdentity(); |
| m_projectionMatrix.ortho(m_left, m_right, m_bottom, m_top, m_nearPlane, m_farPlane); |
| Q_EMIT q->projectionMatrixChanged(m_projectionMatrix); |
| } |
| |
| inline void updateFrustumProjection() |
| { |
| Q_Q(QCameraLens); |
| m_projectionMatrix.setToIdentity(); |
| m_projectionMatrix.frustum(m_left, m_right, m_bottom, m_top, m_nearPlane, m_farPlane); |
| Q_EMIT q->projectionMatrixChanged(m_projectionMatrix); |
| } |
| }; |
| |
| struct QCameraLensData |
| { |
| QMatrix4x4 projectionMatrix; |
| float exposure; |
| }; |
| |
| } // namespace Qt3DRender |
| |
| QT_END_NAMESPACE |
| |
| #endif // QT3DRENDER_CAMERALENS_P_H |