Qt 4.8
qglscreen_qws.h
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41 
42 #ifndef QSCREENEGL_P_H
43 #define QSCREENEGL_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 QScreenEGL 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 <QtGui/QScreen>
57 #include <QtOpenGL/qgl.h>
58 #if defined(QT_OPENGL_ES_2)
59 #include <EGL/egl.h>
60 #else
61 #include <GLES/egl.h>
62 #endif
63 #if !defined(EGL_VERSION_1_3) && !defined(QEGL_NATIVE_TYPES_DEFINED)
64 #undef EGLNativeWindowType
65 #undef EGLNativePixmapType
66 #undef EGLNativeDisplayType
67 typedef NativeWindowType EGLNativeWindowType;
68 typedef NativePixmapType EGLNativePixmapType;
69 typedef NativeDisplayType EGLNativeDisplayType;
70 #define QEGL_NATIVE_TYPES_DEFINED 1
71 #endif
72 
74 
76 
78 
79 class QGLScreenPrivate;
80 
82 {
83 public:
84  virtual bool createNativeWindow(QWidget *widget, EGLNativeWindowType *native);
85  virtual bool createNativePixmap(QPixmap *pixmap, EGLNativePixmapType *native);
86  virtual bool createNativeImage(QImage *image, EGLNativePixmapType *native);
87 };
88 
90 {
92 public:
93  QGLScreen(int displayId);
94  virtual ~QGLScreen();
95 
96  enum Option
97  {
98  NoOptions = 0,
99  NativeWindows = 1,
100  NativePixmaps = 2,
101  NativeImages = 4,
102  Overlays = 8
103  };
104  Q_DECLARE_FLAGS(Options, Option)
105 
106  QGLScreen::Options options() const;
107 
108  virtual bool chooseContext(QGLContext *context, const QGLContext *shareContext);
109  virtual bool hasOpenGL() = 0;
110 
111  QGLScreenSurfaceFunctions *surfaceFunctions() const;
112 
113 protected:
114  void setOptions(QGLScreen::Options value);
115  void setSurfaceFunctions(QGLScreenSurfaceFunctions *functions);
116 
117 private:
119 };
120 
121 Q_DECLARE_OPERATORS_FOR_FLAGS(QGLScreen::Options)
122 
124 
126 
127 #endif // QSCREENEGL_P_H
Option
This enum defines options that can be set on QGLScreen instances.
Definition: qglscreen_qws.h:96
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
QPointer< QWidget > widget
#define QT_MODULE(x)
Definition: qglobal.h:2783
NativePixmapType EGLNativePixmapType
Definition: qegl_p.h:117
#define QT_BEGIN_HEADER
Definition: qglobal.h:136
#define Q_DECLARE_FLAGS(Flags, Enum)
The Q_DECLARE_FLAGS() macro expands to.
Definition: qglobal.h:2348
#define Q_OPENGL_EXPORT
Definition: qglobal.h:1455
The QWidget class is the base class of all user interface objects.
Definition: qwidget.h:150
NativeDisplayType EGLNativeDisplayType
Definition: qglscreen_qws.h:69
NativeWindowType EGLNativeWindowType
Definition: qegl_p.h:116
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
NativeWindowType EGLNativeWindowType
Definition: qglscreen_qws.h:67
#define Q_DECLARE_OPERATORS_FOR_FLAGS(Flags)
The Q_DECLARE_OPERATORS_FOR_FLAGS() macro declares global operator|() functions for Flags...
Definition: qglobal.h:2355
The QGLContext class encapsulates an OpenGL rendering context.
Definition: qgl.h:310
The QImage class provides a hardware-independent image representation that allows direct access to th...
Definition: qimage.h:87
NativePixmapType EGLNativePixmapType
Definition: qglscreen_qws.h:68
The QGLScreenSurfaceFunctions class encapsulates the functions for creating native windows and pixmap...
Definition: qglscreen_qws.h:81
The QScreen class is a base class for screen drivers in Qt for Embedded Linux.
Definition: qscreen_qws.h:191
The QPixmap class is an off-screen image representation that can be used as a paint device...
Definition: qpixmap.h:71
#define Q_DECLARE_PRIVATE(Class)
Definition: qglobal.h:2467
QGLScreenPrivate * d_ptr
This class encapsulates an OpenGL screen driver.
Definition: qglscreen_qws.h:89
#define QT_END_HEADER
Definition: qglobal.h:137