Qt 4.8
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opengl
qglwindowsurface_qws.cpp
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** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
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** Alternatively, this file may be used under the terms of the GNU
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****************************************************************************/
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#include <QtGui/QPaintDevice>
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#include <QtGui/QWidget>
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#include <QtOpenGL/QGLWidget>
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#include "private/qglwindowsurface_qws_p.h"
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#include "private/qpaintengine_opengl_p.h"
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QT_BEGIN_NAMESPACE
49
68
class
QWSGLWindowSurfacePrivate
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{
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public
:
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QWSGLWindowSurfacePrivate
() :
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qglContext
(0),
ownsContext
(false) {}
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QGLContext
*
qglContext
;
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bool
ownsContext
;
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};
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QWSGLWindowSurface::QWSGLWindowSurface
(
QWidget
*
window
)
84
:
QWSWindowSurface
(window),
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d_ptr(new
QWSGLWindowSurfacePrivate
)
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{
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}
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QWSGLWindowSurface::QWSGLWindowSurface
()
93
:
d_ptr
(new
QWSGLWindowSurfacePrivate
)
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{
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}
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101
QWSGLWindowSurface::~QWSGLWindowSurface
()
102
{
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Q_D
(
QWSGLWindowSurface
);
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if
(
d
->ownsContext)
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delete
d
->qglContext;
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delete
d
;
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}
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QGLContext
*
QWSGLWindowSurface::context
()
const
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{
114
Q_D
(
const
QWSGLWindowSurface
);
115
if
(!
d
->qglContext) {
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QWSGLWindowSurface
*that =
const_cast<
QWSGLWindowSurface
*
>
(
this
);
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that->
setContext
(
new
QGLContext
(
QGLFormat::defaultFormat
()));
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that->d_func()->ownsContext =
true
;
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}
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return
d
->qglContext;
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}
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void
QWSGLWindowSurface::setContext
(
QGLContext
*
context
)
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{
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Q_D
(
QWSGLWindowSurface
);
129
if
(
d
->ownsContext) {
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delete
d
->qglContext;
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d
->ownsContext =
false
;
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}
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d
->qglContext =
context
;
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}
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QT_END_NAMESPACE
d
double d
Definition:
qnumeric_p.h:62
QWSGLWindowSurface::QWSGLWindowSurface
QWSGLWindowSurface()
Constructs an empty QWSGLWindowSurface.
Definition:
qglwindowsurface_qws.cpp:92
QWSWindowSurface
The QWSWindowSurface class provides the drawing area for top-level windows in Qt for Embedded Linux...
Definition:
qwindowsurface_qws_p.h:68
QWSGLWindowSurfacePrivate
Definition:
qglwindowsurface_qws.cpp:68
QT_END_NAMESPACE
#define QT_END_NAMESPACE
This macro expands to.
Definition:
qglobal.h:90
QWSGLWindowSurfacePrivate::qglContext
QGLContext * qglContext
Definition:
qglwindowsurface_qws.cpp:74
QWSGLWindowSurface::context
QGLContext * context() const
Returns the QGLContext of the window surface.
Definition:
qglwindowsurface_qws.cpp:112
QWidget
The QWidget class is the base class of all user interface objects.
Definition:
qwidget.h:150
QWSGLWindowSurface::~QWSGLWindowSurface
~QWSGLWindowSurface()
Destroys the QWSGLWindowSurface object and frees any allocated resources.
Definition:
qglwindowsurface_qws.cpp:101
Q_D
#define Q_D(Class)
Definition:
qglobal.h:2482
QWSGLWindowSurfacePrivate::QWSGLWindowSurfacePrivate
QWSGLWindowSurfacePrivate()
Definition:
qglwindowsurface_qws.cpp:71
QWSGLWindowSurface::setContext
void setContext(QGLContext *context)
Sets the QGLContext for this window surface to context.
Definition:
qglwindowsurface_qws.cpp:126
window
NSWindow * window
Definition:
qcocoasharedwindowmethods_mac_p.h:583
QT_BEGIN_NAMESPACE
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition:
qglobal.h:89
QWSGLWindowSurface::d_ptr
QWSGLWindowSurfacePrivate * d_ptr
Definition:
qglwindowsurface_qws_p.h:84
QGLContext
The QGLContext class encapsulates an OpenGL rendering context.
Definition:
qgl.h:310
QGLFormat::defaultFormat
static QGLFormat defaultFormat()
Definition:
qgl.cpp:1518
QWSGLWindowSurfacePrivate::ownsContext
bool ownsContext
Definition:
qglwindowsurface_qws.cpp:75
QWSGLWindowSurface
The QWSGLWindowSurface class provides the drawing area for top-level windows with Qt for Embedded Lin...
Definition:
qglwindowsurface_qws_p.h:71
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