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2 | ** |
3 | ** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). |
4 | ** Contact: http://www.qt-project.org/legal |
5 | ** |
6 | ** This file is part of the QtOpenGL module of the Qt Toolkit. |
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8 | ** $QT_BEGIN_LICENSE:LGPL$ |
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17 | ** GNU Lesser General Public License Usage |
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25 | ** In addition, as a special exception, Digia gives you certain additional |
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27 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
28 | ** |
29 | ** GNU General Public License Usage |
30 | ** Alternatively, this file may be used under the terms of the GNU |
31 | ** General Public License version 3.0 as published by the Free Software |
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40 | ****************************************************************************/ |
41 | |
42 | #ifndef QWINDOWSURFACE_GL_P_H |
43 | #define QWINDOWSURFACE_GL_P_H |
44 | |
45 | // |
46 | // W A R N I N G |
47 | // ------------- |
48 | // |
49 | // This file is not part of the Qt API. It exists for the convenience |
50 | // of the QLibrary class. This header file may change from |
51 | // version to version without notice, or even be removed. |
52 | // |
53 | // We mean it. |
54 | // |
55 | |
56 | #include <qglobal.h> |
57 | #include <qgl.h> |
58 | #include <private/qwindowsurface_p.h> |
59 | #include <private/qglpaintdevice_p.h> |
60 | |
61 | QT_BEGIN_NAMESPACE |
62 | |
63 | class QPaintDevice; |
64 | class QPoint; |
65 | class QRegion; |
66 | class QWidget; |
67 | struct QGLWindowSurfacePrivate; |
68 | |
69 | Q_OPENGL_EXPORT QGLWidget* qt_gl_share_widget(); |
70 | Q_OPENGL_EXPORT void qt_destroy_gl_share_widget(); |
71 | bool qt_initializing_gl_share_widget(); |
72 | |
73 | class QGLWindowSurfaceGLPaintDevice : public QGLPaintDevice |
74 | { |
75 | public: |
76 | QPaintEngine* paintEngine() const; |
77 | QSize size() const; |
78 | int metric(PaintDeviceMetric m) const; |
79 | QGLContext* context() const; |
80 | QGLWindowSurfacePrivate* d; |
81 | }; |
82 | |
83 | class Q_OPENGL_EXPORT QGLWindowSurface : public QObject, public QWindowSurface // , public QPaintDevice |
84 | { |
85 | Q_OBJECT |
86 | public: |
87 | QGLWindowSurface(QWidget *window); |
88 | ~QGLWindowSurface(); |
89 | |
90 | QPaintDevice *paintDevice(); |
91 | void flush(QWidget *widget, const QRegion ®ion, const QPoint &offset); |
92 | |
93 | #if !defined(Q_WS_QPA) |
94 | void setGeometry(const QRect &rect); |
95 | #else |
96 | virtual void resize(const QSize &size); |
97 | #endif |
98 | |
99 | void updateGeometry(); |
100 | bool scroll(const QRegion &area, int dx, int dy); |
101 | |
102 | void beginPaint(const QRegion ®ion); |
103 | void endPaint(const QRegion ®ion); |
104 | |
105 | QImage *buffer(const QWidget *widget); |
106 | |
107 | WindowSurfaceFeatures features() const; |
108 | |
109 | QGLContext *context() const; |
110 | |
111 | static QGLFormat surfaceFormat; |
112 | |
113 | enum SwapMode { AutomaticSwap, AlwaysFullSwap, AlwaysPartialSwap, KillSwap }; |
114 | static SwapMode swapBehavior; |
115 | |
116 | private slots: |
117 | void deleted(QObject *object); |
118 | |
119 | private: |
120 | void hijackWindow(QWidget *widget); |
121 | bool initializeOffscreenTexture(const QSize &size); |
122 | |
123 | QGLWindowSurfacePrivate *d_ptr; |
124 | }; |
125 | |
126 | QT_END_NAMESPACE |
127 | |
128 | #endif // QWINDOWSURFACE_GL_P_H |
129 | |
130 | |