void MapView::setUseOpenGL(bool useOpenGL)
{
#ifndef QT_NO_OPENGL
if (useOpenGL) {
if (!qobject_cast<QOpenGLWidget*>(viewport())) {
QSurfaceFormat format = QSurfaceFormat::defaultFormat();
format.setDepthBufferSize(0); // No need for a depth buffer
format.setSamples(4); // Enable anti-aliasing
QOpenGLWidget *openGLWidget = new QOpenGLWidget(this);
openGLWidget->setFormat(format);
setViewport(openGLWidget);
}
} else {
if (qobject_cast<QOpenGLWidget*>(viewport()))
setViewport(nullptr);
}
QWidget *v = viewport();
if (mMode == StaticContents)
v->setAttribute(Qt::WA_StaticContents);
v->setMouseTracking(true);
#else
Q_UNUSED(useOpenGL)
#endif
}
Window::Window()
{
QVBoxLayout *mainLayout = new QVBoxLayout;
view = new QGraphicsView(this);
scene = new QGraphicsScene(view);
view->setRenderHints(QPainter::Antialiasing);
scene->setBackgroundBrush(Qt::blue);
myGLWidget = new GLWidget(this);
QOpenGLWidget *oglw = qobject_cast<QOpenGLWidget *>(myGLWidget);
QSurfaceFormat format;
format.setSamples(4);
format.setDepthBufferSize(24);
//format.setMajorVersion(3);
//format.setMinorVersion(0);
//format.setVersion(3,1);
format.setProfile(QSurfaceFormat::CompatibilityProfile);
oglw->setFormat(format);
view->setViewport(myGLWidget);
view->setViewportUpdateMode(QGraphicsView::FullViewportUpdate);
view->setScene(scene);
mainLayout->addWidget(view);
setLayout(mainLayout);
setWindowTitle(tr("GraphicsView + OpenGL Test Unit"));
}
MyGraphicsView(QWidget * parent = nullptr) : QGraphicsView{parent}
{
setViewport(m_gl); // sets m_gl's parent
Q_ASSERT(m_gl->parent());
}