Qt 4.8
qwindowsurface_gl_p.h
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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 
62 
63 class QPaintDevice;
64 class QPoint;
65 class QRegion;
66 class QWidget;
68 
72 
74 {
75 public:
76  QPaintEngine* paintEngine() const;
77  QSize size() const;
78  int metric(PaintDeviceMetric m) const;
79  QGLContext* context() const;
81 };
82 
83 class Q_OPENGL_EXPORT QGLWindowSurface : public QObject, public QWindowSurface // , public QPaintDevice
84 {
85  Q_OBJECT
86 public:
89 
90  QPaintDevice *paintDevice();
91  void flush(QWidget *widget, const QRegion &region, 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 &region);
103  void endPaint(const QRegion &region);
104 
105  QImage *buffer(const QWidget *widget);
106 
107  WindowSurfaceFeatures features() const;
108 
109  QGLContext *context() const;
110 
112 
113  enum SwapMode { AutomaticSwap, AlwaysFullSwap, AlwaysPartialSwap, KillSwap };
115 
116 private slots:
117  void deleted(QObject *object);
118 
119 private:
120  void hijackWindow(QWidget *widget);
121  bool initializeOffscreenTexture(const QSize &size);
122 
124 };
125 
127 
128 #endif // QWINDOWSURFACE_GL_P_H
129 
bool qt_initializing_gl_share_widget()
Q_OPENGL_EXPORT void qt_destroy_gl_share_widget()
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
QPointer< QWidget > widget
#define Q_OPENGL_EXPORT
Definition: qglobal.h:1455
The QWidget class is the base class of all user interface objects.
Definition: qwidget.h:150
The QObject class is the base class of all Qt objects.
Definition: qobject.h:111
QPaintEngine * paintEngine() const
NSWindow * window
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
static SwapMode swapBehavior
The QGLFormat class specifies the display format of an OpenGL rendering context.
Definition: qgl.h:175
The QGLContext class encapsulates an OpenGL rendering context.
Definition: qgl.h:310
static QGLFormat surfaceFormat
The QImage class provides a hardware-independent image representation that allows direct access to th...
Definition: qimage.h:87
The QRegion class specifies a clip region for a painter.
Definition: qregion.h:68
The QPaintEngine class provides an abstract definition of how QPainter draws to a given device on a g...
Definition: qpaintengine.h:90
int metric(PaintDeviceMetric m) const
#define Q_OBJECT
Definition: qobjectdefs.h:157
The QWindowSurface class provides the drawing area for top-level windows.
The QGLWidget class is a widget for rendering OpenGL graphics.
Definition: qgl.h:474
virtual void beginPaint()
The QPoint class defines a point in the plane using integer precision.
Definition: qpoint.h:53
Q_OPENGL_EXPORT QGLWidget * qt_gl_share_widget()
The QRect class defines a rectangle in the plane using integer precision.
Definition: qrect.h:58
QGLWindowSurfacePrivate * d
Q_CORE_EXPORT QTextStream & flush(QTextStream &s)
The QSize class defines the size of a two-dimensional object using integer point precision.
Definition: qsize.h:53
#define slots
Definition: qobjectdefs.h:68
QGLWindowSurfacePrivate * d_ptr
static int area(const QSize &s)
Definition: qicon.cpp:155
virtual void endPaint()