void QWSWindowSurface::setGeometry(const QRect &rect, const QRegion &mask)
{
if (rect == geometry()) // XXX: && mask == prevMask
return;
const bool isResize = rect.size() != geometry().size();
const bool needsRepaint = isResize || !isBuffered();
QWindowSurface::setGeometry(rect);
const QRegion region = mask & rect;
QWidget *win = window();
// Only request regions for widgets visible on the screen.
// (Added the !win check for compatibility reasons, because
// there was no "if (win)" check before).
const bool requestQWSRegion = !win || !win->testAttribute(Qt::WA_DontShowOnScreen);
if (requestQWSRegion)
QWidget::qwsDisplay()->requestRegion(winId(), key(), permanentState(), region);
if (needsRepaint)
invalidateBuffer();
if (!requestQWSRegion) {
// We didn't request a region, hence we won't get a QWSRegionEvent::Allocation
// event back from the server so we set the clip directly. We have to
// do this after the invalidateBuffer() call above, as it might trigger a
// backing store sync, resulting in too many update requests.
setClipRegion(region);
}
}
void KoChild::transform( QPainter &painter )
{
setClipRegion( painter, true );
QWMatrix m = painter.worldMatrix();
m = d->m_matrix * m;
m.scale( d->m_scaleX, d->m_scaleY );
painter.setWorldMatrix( m );
}
void BrainPlot::appendPoint( QPointF point, int Channel )
{
/*Adds new point - with proper index and offset - to the data series*/
CurveData *data = static_cast<CurveData *>( d_curves[Channel]->data() );
point.setY(minusExpectedAmplitude*(2*Channel+1)+point.y());
data->replace(sample%plotLength, point);
setClipRegion(d_curves[Channel], point);
d_directPainter->drawSeries( d_curves[Channel],
data->size() - 1, data->size() - 1 );
}
void BrainPlot::timeStep(std::vector<float> data) {
/*Curves*/
for(int c = 0; c < nChannels; c++)
appendPoint(QPointF(sample%plotLength, data[c]), c);
/*Sweep line*/
CurveData *sweep = static_cast<CurveData *>( d_sweep->data() );
sweep->replace(0, QPointF((sample)%plotLength, plotLength));
sweep->replace(1, QPointF((sample)%plotLength, 2*nChannels*minusExpectedAmplitude));
setClipRegion(d_sweep, QPointF(0,0));
d_directPainter->drawSeries( d_sweep, 0, 1);
/*Time step*/
sample++;
/*Refreshes plot*/
replot();
}
