void QwtPlot::drawCanvas(QPainter *painter)
{
QwtArray<QwtDiMap> map(axisCnt);
for ( int axis = 0; axis < axisCnt; axis++ )
map[axis] = canvasMap(axis);
drawCanvasItems(painter,
d_canvas->contentsRect(), map, QwtPlotPrintFilter());
}
/*!
\brief Adjust plot content to its current size.
\sa QwtPlot::resizeEvent
*/
void QwtPlot::updateLayout()
{
int hDist, vDist;
vDist = hDist = d_canvas->frameWidth() + 2;
if (d_axisEnabled[xTop])
hDist = qwtMax(hDist, d_scale[xTop]->minBorderDist());
if (d_axisEnabled[xBottom])
hDist = qwtMax(hDist, d_scale[xBottom]->minBorderDist());
if (d_axisEnabled[yLeft])
vDist = qwtMax(vDist, d_scale[yLeft]->minBorderDist());
if (d_axisEnabled[yRight])
vDist = qwtMax(vDist, d_scale[yRight]->minBorderDist());
QwtRect rPlot = this->contentsRect();
rPlot.cutMargin(d_margin, d_margin, d_margin, d_margin);
#ifndef QWT_NO_LEGEND
if (d_legend->itemCnt() > 0)
{
switch(d_legendPos)
{
case Qwt::Top:
case Qwt::Bottom:
d_legend->setMaxCols(
(rPlot.width() - ScrBarWidth) / d_legend->colWidth());
break;
case Qwt::Right:
case Qwt::Left:
default:
d_legend->setMaxCols(1);
break;
}
}
#endif
QRect rTitle, rLegend, rPixmap, rAxis[axisCnt];
findLayout(FALSE, rPlot, hDist, vDist, QwtPlotPrintFilter(), rTitle,
rLegend, rAxis, rPixmap);
//
// resize and show the visible widgets
//
if (!d_lblTitle->text().isEmpty())
{
d_lblTitle->setGeometry(rTitle);
if (!d_lblTitle->isVisible())
d_lblTitle->show();
}
else
d_lblTitle->hide();
for ( int axis = 0; axis < axisCnt; axis++ )
{
if (d_axisEnabled[axis])
{
if ( axis == yLeft || axis == yRight )
d_scale[axis]->setBorderDist(vDist, vDist);
else
d_scale[axis]->setBorderDist(hDist, hDist);
d_scale[axis]->setGeometry(rAxis[axis]);
if (!d_scale[axis]->isVisible())
d_scale[axis]->show();
}
else
d_scale[axis]->hide();
}
#ifndef QWT_NO_LEGEND
if (d_legend->itemCnt() > 0)
{
d_legend->setGeometry(rLegend);
d_legend->show();
}
else
d_legend->hide();
#endif
d_canvas->setGeometry(rPixmap);
}
