| 1 | // Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB). |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 3 | |
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| 4 | #ifndef QT3DRENDER_RENDER_CAMERALENS_H |
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| 5 | #define QT3DRENDER_RENDER_CAMERALENS_H |
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| 6 | |
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| 7 | // |
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| 8 | // W A R N I N G |
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| 9 | // ------------- |
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| 10 | // |
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| 11 | // This file is not part of the Qt API. It exists for the convenience |
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| 12 | // of other Qt classes. This header file may change from version to |
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| 13 | // version without notice, or even be removed. |
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| 14 | // |
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| 15 | // We mean it. |
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| 16 | // |
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| 17 | |
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| 18 | #include <Qt3DRender/private/backendnode_p.h> |
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| 19 | #include <Qt3DCore/private/matrix4x4_p.h> |
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| 20 | #include <Qt3DRender/private/qcameralens_p.h> |
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| 21 | #include <QRectF> |
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| 22 | |
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| 23 | QT_BEGIN_NAMESPACE |
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| 24 | |
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| 25 | namespace Qt3DRender { |
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| 26 | |
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| 27 | namespace Render { |
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| 28 | |
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| 29 | class EntityManager; |
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| 30 | class CameraManager; |
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| 31 | class Sphere; |
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| 32 | |
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| 33 | class CameraLensFunctor : public Qt3DCore::QBackendNodeMapper |
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| 34 | { |
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| 35 | public: |
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| 36 | explicit CameraLensFunctor(AbstractRenderer *renderer, QRenderAspect *renderAspect); |
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| 37 | Qt3DCore::QBackendNode *create(Qt3DCore::QNodeId id) const override; |
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| 38 | Qt3DCore::QBackendNode *get(Qt3DCore::QNodeId id) const override; |
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| 39 | void destroy(Qt3DCore::QNodeId id) const override; |
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| 40 | |
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| 41 | private: |
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| 42 | CameraManager *m_manager; |
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| 43 | AbstractRenderer *m_renderer; |
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| 44 | QRenderAspect *m_renderAspect; |
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| 45 | }; |
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| 46 | |
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| 47 | class Q_3DRENDERSHARED_PRIVATE_EXPORT CameraLens : public BackendNode |
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| 48 | { |
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| 49 | public: |
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| 50 | CameraLens(); |
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| 51 | ~CameraLens(); |
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| 52 | void cleanup(); |
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| 53 | |
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| 54 | void setRenderAspect(QRenderAspect* renderAspect); |
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| 55 | |
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| 56 | Matrix4x4 viewMatrix(const Matrix4x4 &worldTransform); |
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| 57 | |
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| 58 | void setProjection(const Matrix4x4 &projection); |
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| 59 | inline Matrix4x4 projection() const { return m_projection; } |
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| 60 | |
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| 61 | void setExposure(float exposure); |
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| 62 | inline float exposure() const { return m_exposure; } |
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| 63 | void syncFromFrontEnd(const Qt3DCore::QNode *frontEnd, bool firstTime) override; |
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| 64 | |
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| 65 | void processViewAllResult(Qt3DCore::QAspectManager *aspectManager, const Sphere &sphere, Qt3DCore::QNodeId commandId); |
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| 66 | |
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| 67 | static bool viewMatrixForCamera(EntityManager *manager, Qt3DCore::QNodeId cameraId, |
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| 68 | Matrix4x4 &viewMatrix, Matrix4x4 &projectionMatrix); |
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| 69 | |
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| 70 | private: |
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| 71 | void computeSceneBoundingVolume(Qt3DCore::QNodeId entityId, |
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| 72 | Qt3DCore::QNodeId cameraId, |
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| 73 | Qt3DCore::QNodeId requestId); |
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| 74 | |
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| 75 | QRenderAspect *m_renderAspect; |
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| 76 | CameraLensRequest m_pendingViewAllRequest; |
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| 77 | Matrix4x4 m_projection; |
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| 78 | float m_exposure; |
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| 79 | }; |
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| 80 | |
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| 81 | } // namespace Render |
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| 82 | } // namespace Qt3DRender |
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| 83 | |
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| 84 | QT_END_NAMESPACE |
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| 85 | |
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| 86 | #endif // QT3DRENDER_RENDER_CAMERALENS_H |
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| 87 | |
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