Kontron KTAM3874-pITX - Manual (Page 203)

KTD-S0057-I Page 199 Linux® Programming Examples (DebianTM)
KTAM3874/pITX Software Guide
xSlider = createSlider (SIGNAL (xRotationChanged (int)), SLOT (setXRotation (int)));
ySlider = createSlider (SIGNAL (yRotationChanged (int)), SLOT (setYRotation (int)));
zSlider = createSlider (SIGNAL (zRotationChanged (int)), SLOT (setZRotation (int)));
createActions ();
createMenus ();
QGridLayout *centralLayout = new QGridLayout;
centralLayout->addWidget (glWidgetArea, 0, 0);
centralLayout->addWidget (pixmapLabelArea, 0, 1);
centralLayout->addWidget (xSlider, 1, 0, 1, 2);
centralLayout->addWidget (ySlider, 2, 0, 1, 2);
centralLayout->addWidget (zSlider, 3, 0, 1, 2);
centralWidget->setLayout (centralLayout);
xSlider->setValue (15 * 16);
ySlider->setValue (345 * 16);
zSlider->setValue (0 * 16);
setWindowTitle (tr ("Grabber"));
resize (400, 300);
}
void MainWindow::renderIntoPixmap ()
{
QSize size = getSize ();
if (size.isValid ())
{
QPixmap pixmap = glWidget->renderPixmap (size.width (), size.height ());
setPixmap (pixmap);
}
}
void MainWindow::grabFrameBuffer ()
{
QImage image = glWidget->grabFrameBuffer ();
setPixmap (QPixmap::fromImage (image));
}
void MainWindow::clearPixmap ()
{
setPixmap (QPixmap ());
}
void MainWindow::about ()
{
QMessageBox::about (this, tr ("About Grabber"),
tr ("The <b>Grabber</b> example demonstrates two approaches for rendering OpenGL into a Qt pixmap."));
}