1// Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#ifndef QT3DRENDER_RENDER_VIEWPORTNODE_H
5#define QT3DRENDER_RENDER_VIEWPORTNODE_H
6
7//
8// W A R N I N G
9// -------------
10//
11// This file is not part of the Qt API. It exists for the convenience
12// of other Qt classes. This header file may change from version to
13// version without notice, or even be removed.
14//
15// We mean it.
16//
17
18#include <Qt3DRender/private/framegraphnode_p.h>
19#include <QColor>
20
21QT_BEGIN_NAMESPACE
22
23namespace Qt3DRender {
24
25class QViewport;
26
27namespace Render {
28
29class Renderer;
30
31class Q_3DRENDERSHARED_PRIVATE_EXPORT ViewportNode : public FrameGraphNode
32{
33public:
34 ViewportNode();
35
36 float xMin() const;
37 void setXMin(float xMin);
38
39 float yMin() const;
40 void setYMin(float yMin);
41
42 float xMax() const;
43 void setXMax(float xMax);
44
45 float yMax() const;
46 void setYMax(float yMax);
47
48 float gamma() const;
49 void setGamma(float gamma);
50
51 void syncFromFrontEnd(const Qt3DCore::QNode *frontEnd, bool firstTime) override;
52
53 static QRectF computeViewport(const QRectF &childViewport, const ViewportNode *parentViewport);
54
55private:
56 float m_xMin;
57 float m_yMin;
58 float m_xMax;
59 float m_yMax;
60 float m_gamma;
61};
62
63
64} // namespace Render
65} // namespace Qt3DRender
66
67QT_END_NAMESPACE
68
69#endif // QT3DRENDER_RENDER_VIEWPORTNODE_H
70

source code of qt3d/src/render/framegraph/viewportnode_p.h