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39 
40 #ifndef QT3DRENDER_RENDER_VIEWPORTNODE_H
41 #define QT3DRENDER_RENDER_VIEWPORTNODE_H
42 
43 //
44 //  W A R N I N G
45 //  -------------
46 //
47 // This file is not part of the Qt API.  It exists for the convenience
48 // of other Qt classes.  This header file may change from version to
49 // version without notice, or even be removed.
50 //
51 // We mean it.
52 //
53 
54 #include <Qt3DRender/private/framegraphnode_p.h>
55 #include <QColor>
56 
57 QT_BEGIN_NAMESPACE
58 
59 namespace Qt3DRender {
60 
61 class QViewport;
62 
63 namespace Render {
64 
65 class Renderer;
66 
67 class Q_3DRENDERSHARED_PRIVATE_EXPORT ViewportNode : public FrameGraphNode
68 {
69 public:
70     ViewportNode();
71 
72     float xMin() const;
73     void setXMin(float xMin);
74 
75     float yMin() const;
76     void setYMin(float yMin);
77 
78     float xMax() const;
79     void setXMax(float xMax);
80 
81     float yMax() const;
82     void setYMax(float yMax);
83 
84     float gamma() const;
85     void setGamma(float gamma);
86 
87     void syncFromFrontEnd(const Qt3DCore::QNode *frontEnd, bool firstTime) override;
88 
89     static QRectF computeViewport(const QRectF &childViewport, const ViewportNode *parentViewport);
90 
91 private:
92     float m_xMin;
93     float m_yMin;
94     float m_xMax;
95     float m_yMax;
96     float m_gamma;
97 };
98 
99 
100 } // namespace Render
101 } // namespace Qt3DRender
102 
103 QT_END_NAMESPACE
104 
105 #endif // QT3DRENDER_RENDER_VIEWPORTNODE_H
106