void Plot::drawItems (QPainter *painter, const QRect &rect,
const QwtScaleMap map[axisCnt], const QwtPlotPrintFilter &pfilter) const
{
painter->save();
painter->setRenderHint(QPainter::Antialiasing);
for (int i=0; i<QwtPlot::axisCnt; i++){
if (!axisEnabled(i))
continue;
drawBreak(painter, rect, map[i], i);
}
painter->restore();
for (int i=0; i<QwtPlot::axisCnt; i++){
if (!axisEnabled(i))
continue;
const ScaleEngine *sc_engine = (const ScaleEngine *)axisScaleEngine(i);
/*const QwtScaleEngine *qwtsc_engine=axisScaleEngine(i);
const ScaleEngine *sc_engine =dynamic_cast<const ScaleEngine*>(qwtsc_engine);
if(sc_engine!=NULL)
{ */
if (!sc_engine->hasBreak())
continue;
QwtScaleMap m = map[i];
int lb = m.transform(sc_engine->axisBreakLeft());
int rb = m.transform(sc_engine->axisBreakRight());
int start = lb, end = rb;
if (sc_engine->testAttribute(QwtScaleEngine::Inverted)){
end = lb;
start = rb;
}
QRegion cr(rect);
if (i == QwtPlot::xBottom || i == QwtPlot::xTop)
painter->setClipRegion(cr.subtracted(QRegion(start, rect.y(), abs(end - start), rect.height())), Qt::IntersectClip);
else if (i == QwtPlot::yLeft || i == QwtPlot::yRight)
painter->setClipRegion(cr.subtracted(QRegion(rect.x(), end, rect.width(), abs(end - start))), Qt::IntersectClip);
//}
}
QwtPlot::drawItems(painter, rect, map, pfilter);
for (int i=0; i<QwtPlot::axisCnt; i++){
if (!axisEnabled(i))
continue;
const ScaleDraw *sd = (const ScaleDraw *) axisScaleDraw (i);
int majorTicksType = sd->majorTicksStyle();
int minorTicksType = sd->minorTicksStyle();
bool min = (minorTicksType == ScaleDraw::In || minorTicksType == ScaleDraw::Both);
bool maj = (majorTicksType == ScaleDraw::In || majorTicksType == ScaleDraw::Both);
if (min || maj)
drawInwardTicks(painter, rect, map[i], i, min, maj);
}
}
void PlotMatrix::updateLayout()
{
for ( int row = 0; row < numRows(); row++ )
{
for ( int col = 0; col < numColumns(); col++ )
{
QwtPlot *p = plot( row, col );
if ( p )
{
bool showAxis[QwtPlot::axisCnt];
showAxis[QwtPlot::xBottom] =
axisEnabled( QwtPlot::xBottom ) && row == numRows() - 1;
showAxis[QwtPlot::xTop] =
axisEnabled( QwtPlot::xTop ) && row == 0;
showAxis[QwtPlot::yLeft] =
axisEnabled( QwtPlot::yLeft ) && col == 0;
showAxis[QwtPlot::yRight] =
axisEnabled( QwtPlot::yRight ) && col == numColumns() - 1;
for ( int axis = 0; axis < QwtPlot::axisCnt; axis++ )
{
if ( axis == QwtPlot::xBottom || axis == QwtPlot::xTop )
p->enableAxis( axis, showAxis[axis] );
else
{
p->enableAxis( axis, true );
QwtScaleDraw *sd = p->axisScaleDraw( axis );
sd->enableComponent(
QwtScaleDraw::Backbone, showAxis[axis] );
sd->enableComponent(
QwtScaleDraw::Ticks, showAxis[axis] );
sd->enableComponent(
QwtScaleDraw::Labels, showAxis[axis] );
}
}
}
}
}
for ( int col = 0; col < numColumns(); col++ )
{
alignVAxes( col, QwtPlot::yLeft );
alignVAxes( col, QwtPlot::yRight );
}
for ( int row = 0; row < numRows(); row++ )
{
for ( int col = 0; col < numColumns(); col++ )
{
QwtPlot *p = plot( row, col );
if ( p )
p->replot();
}
}
}
void PlotMatrix::updateLayout()
{
for ( int row = 0; row < numRows(); row++ )
{
for ( int col = 0; col < numColumns(); col++ )
{
QwtPlot *p = plotAt( row, col );
if ( p )
{
bool showAxis[QwtPlot::axisCnt];
showAxis[QwtPlot::xBottom] =
axisEnabled( QwtPlot::xBottom ) && row == numRows() - 1;
showAxis[QwtPlot::xTop] =
axisEnabled( QwtPlot::xTop ) && row == 0;
showAxis[QwtPlot::yLeft] =
axisEnabled( QwtPlot::yLeft ) && col == 0;
showAxis[QwtPlot::yRight] =
axisEnabled( QwtPlot::yRight ) && col == numColumns() - 1;
for ( int axis = 0; axis < QwtPlot::axisCnt; axis++ )
{
enablePlotAxis( p, axis, showAxis[axis] );
}
}
}
}
for ( int row = 0; row < numRows(); row++ )
{
alignAxes( row, QwtPlot::xTop );
alignAxes( row, QwtPlot::xBottom );
alignScaleBorder( row, QwtPlot::yLeft );
alignScaleBorder( row, QwtPlot::yRight );
}
for ( int col = 0; col < numColumns(); col++ )
{
alignAxes( col, QwtPlot::yLeft );
alignAxes( col, QwtPlot::yRight );
alignScaleBorder( col, QwtPlot::xBottom );
alignScaleBorder( col, QwtPlot::xTop );
}
for ( int row = 0; row < numRows(); row++ )
{
for ( int col = 0; col < numColumns(); col++ )
{
QwtPlot *p = plotAt( row, col );
if ( p )
p->replot();
}
}
}
/*!
\return Size hint for the plot widget
\sa minimumSizeHint()
*/
QSize QwtPlot::sizeHint() const
{
int dw = 0;
int dh = 0;
for ( int axisId = 0; axisId < axisCnt; axisId++ )
{
if ( axisEnabled( axisId ) )
{
const int niceDist = 40;
const QwtScaleWidget *scaleWidget = axisWidget( axisId );
const QwtScaleDiv &scaleDiv = scaleWidget->scaleDraw()->scaleDiv();
const int majCnt = scaleDiv.ticks( QwtScaleDiv::MajorTick ).count();
if ( axisId == yLeft || axisId == yRight )
{
int hDiff = ( majCnt - 1 ) * niceDist
- scaleWidget->minimumSizeHint().height();
if ( hDiff > dh )
dh = hDiff;
}
else
{
int wDiff = ( majCnt - 1 ) * niceDist
- scaleWidget->minimumSizeHint().width();
if ( wDiff > dw )
dw = wDiff;
}
}
}
return minimumSizeHint() + QSize( dw, dh );
}
/*!
\param axisId Axis
\return Map for the axis on the canvas. With this map pixel coordinates can
translated to plot coordinates and vice versa.
\sa QwtScaleMap, transform(), invTransform()
*/
QwtScaleMap QwtPlot::canvasMap( int axisId ) const
{
QwtScaleMap map;
if ( !d_data->canvas )
return map;
map.setTransformation( axisScaleEngine( axisId )->transformation() );
const QwtScaleDiv &sd = axisScaleDiv( axisId );
map.setScaleInterval( sd.lowerBound(), sd.upperBound() );
if ( axisEnabled( axisId ) )
{
const QwtScaleWidget *s = axisWidget( axisId );
if ( axisId == yLeft || axisId == yRight )
{
double y = s->y() + s->startBorderDist() - d_data->canvas->y();
double h = s->height() - s->startBorderDist() - s->endBorderDist();
map.setPaintInterval( y + h, y );
}
else
{
double x = s->x() + s->startBorderDist() - d_data->canvas->x();
double w = s->width() - s->startBorderDist() - s->endBorderDist();
map.setPaintInterval( x, x + w );
}
}
else
{
const QRect &canvasRect = d_data->canvas->contentsRect();
if ( axisId == yLeft || axisId == yRight )
{
int top = 0;
if ( !plotLayout()->alignCanvasToScale( xTop ) )
top = plotLayout()->canvasMargin( xTop );
int bottom = 0;
if ( !plotLayout()->alignCanvasToScale( xBottom ) )
bottom = plotLayout()->canvasMargin( xBottom );
map.setPaintInterval( canvasRect.bottom() - bottom,
canvasRect.top() + top );
}
else
{
int left = 0;
if ( !plotLayout()->alignCanvasToScale( yLeft ) )
left = plotLayout()->canvasMargin( yLeft );
int right = 0;
if ( !plotLayout()->alignCanvasToScale( yRight ) )
right = plotLayout()->canvasMargin( yRight );
map.setPaintInterval( canvasRect.left() + left,
canvasRect.right() - right );
}
}
return map;
}
QValueList <int> Plot::getMinorTicksType()
{
QValueList <int> minorTicksType;
for (int axis=0; axis<QwtPlot::axisCnt; axis++)
{
if (axisEnabled(axis))
{
ScaleDraw *sd = (ScaleDraw *) axisScaleDraw (axis);
minorTicksType << sd->minorTicksStyle();
}
else
minorTicksType << ScaleDraw::Out;
}
return minorTicksType;
}
/*!
\param axisId Axis
\return Map for the axis on the canvas. With this map pixel coordinates can
translated to plot coordinates and vice versa.
\sa QwtScaleMap, transform(), invTransform()
*/
QwtScaleMap QwtPlot::canvasMap( int axisId ) const
{
QwtScaleMap map;
if ( !d_data->canvas )
return map;
map.setTransformation( axisScaleEngine( axisId )->transformation() );
const QwtScaleDiv *sd = axisScaleDiv( axisId );
map.setScaleInterval( sd->lowerBound(), sd->upperBound() );
if ( axisEnabled( axisId ) )
{
const QwtScaleWidget *s = axisWidget( axisId );
if ( axisId == yLeft || axisId == yRight )
{
double y = s->y() + s->startBorderDist() - d_data->canvas->y();
double h = s->height() - s->startBorderDist() - s->endBorderDist();
map.setPaintInterval( y + h, y );
}
else
{
double x = s->x() + s->startBorderDist() - d_data->canvas->x();
double w = s->width() - s->startBorderDist() - s->endBorderDist();
map.setPaintInterval( x, x + w );
}
}
else
{
int margin = 0;
if ( !plotLayout()->alignCanvasToScales() )
margin = plotLayout()->canvasMargin( axisId );
const QRect &canvasRect = d_data->canvas->contentsRect();
if ( axisId == yLeft || axisId == yRight )
{
map.setPaintInterval( canvasRect.bottom() - margin,
canvasRect.top() + margin );
}
else
{
map.setPaintInterval( canvasRect.left() + margin,
canvasRect.right() - margin );
}
}
return map;
}
/*!
\param axis Axis
\return Map for the axis on the canvas. With this map pixel coordinates can
translated to plot coordinates and vice versa.
\sa QwtDiMap, QwtPlot::transform, QwtPlot::invTransform
*/
QwtDiMap QwtPlot::canvasMap(int axis) const
{
QwtDiMap map;
if ( !d_canvas )
return map;
const QwtScaleDiv &sd = d_as[axis].scaleDiv();
map.setDblRange(sd.lBound(), sd.hBound(), sd.logScale());
if ( axisEnabled(axis) )
{
const QwtScale *s = d_scale[axis];
if ( axis == yLeft || axis == yRight )
{
int y = s->y() + s->startBorderDist() - d_canvas->y();
int h = s->height() - s->startBorderDist() - s->endBorderDist();
map.setIntRange(y + h - 1, y);
}
else
{
int x = s->x() + s->startBorderDist() - d_canvas->x();
int w = s->width() - s->startBorderDist() - s->endBorderDist();
map.setIntRange(x, x + w - 1);
}
}
else
{
const int margin = plotLayout()->canvasMargin(axis);
const QRect &canvasRect = d_canvas->contentsRect();
if ( axis == yLeft || axis == yRight )
{
map.setIntRange(canvasRect.bottom() - margin,
canvasRect.top() + margin);
}
else
{
map.setIntRange(canvasRect.left() + margin,
canvasRect.right() - margin);
}
}
return map;
}
//! Redraw grid, curves, and markers. The draw code
// does not clear clipRegion prior to painting.
// \param p painter used for drawing
void QwtPlot::drawCanvas(QPainter *p)
{
QwtDiMap map[axisCnt];
for ( int axis = 0; axis < axisCnt; axis++ )
map[axis] = canvasMap(axis);
QRect rect = d_canvas->contentsRect();
//
// draw grid
//
if ( d_grid.enabled() &&
axisEnabled( d_grid.xAxis() ) &&
axisEnabled( d_grid.yAxis() ) )
{
d_grid.draw(p, rect, map[d_grid.xAxis()], map[d_grid.yAxis()]);
}
//
// draw curves
//
QIntDictIterator<QwtPlotCurve> itc(*d_curves);
for (QwtPlotCurve *curve = itc.toFirst(); curve != 0; curve = ++itc )
{
if ( curve->enabled() &&
axisEnabled( curve->xAxis() ) &&
axisEnabled( curve->yAxis() ) )
{
curve->draw(p, map[curve->xAxis()], map[curve->yAxis()]);
}
}
//
// draw markers
//
QIntDictIterator<QwtPlotMarker> itm(*d_markers);
for (QwtPlotMarker *marker = itm.toFirst(); marker != 0; marker = ++itm )
{
if ( marker->enabled() && axisEnabled( marker->xAxis() ) &&
axisEnabled( marker->yAxis() ) )
{
marker->draw(p,
map[marker->xAxis()].transform(marker->xValue()),
map[marker->yAxis()].transform(marker->yValue()),
rect);
}
}
}
void Plot::drawItems (QPainter *painter, const QRect &rect,
const QwtArray< QwtScaleMap > &map, const QwtPlotPrintFilter &pfilter) const
{
QwtPlot::drawItems(painter, rect, map, pfilter);
for (int i=0; i<QwtPlot::axisCnt; i++)
{
if (!axisEnabled(i))
continue;
ScaleDraw *sd = (ScaleDraw *) axisScaleDraw (i);
int majorTicksType = sd->majorTicksStyle();
int minorTicksType = sd->minorTicksStyle();
bool min = (minorTicksType == ScaleDraw::In || minorTicksType == ScaleDraw::Both);
bool maj = (majorTicksType == ScaleDraw::In || majorTicksType == ScaleDraw::Both);
if (min || maj)
drawInwardTicks(painter, rect, map[i], i, min, maj);
}
}
/**
\brief Adjust plot content to its current size.
Must be reimplemented because the base implementation adds a mask causing an ugly drawing artefact.
*/
void Plot::updateLayout()
{
plotLayout()->activate(this, contentsRect());
// resize and show the visible widgets
if (!titleLabel()->text().isEmpty()){
titleLabel()->setGeometry(plotLayout()->titleRect());
if (!titleLabel()->isVisible())
titleLabel()->show();
} else
titleLabel()->hide();
for (int axisId = 0; axisId < axisCnt; axisId++ ){
if (axisEnabled(axisId) ){
axisWidget(axisId)->setGeometry(plotLayout()->scaleRect(axisId));
if (!axisWidget(axisId)->isVisible())
axisWidget(axisId)->show();
} else
axisWidget(axisId)->hide();
}
canvas()->setGeometry(plotLayout()->canvasRect());
}
/*!
\brief Paint the plot into a given rectangle.
Paint the contents of a QwtPlot instance into a given rectangle.
\param painter Painter
\param plotRect Bounding rectangle
\param pfilter Print filter
\sa QwtPlotPrintFilter
*/
void QwtPlot::print(QPainter *painter, const QRect &plotRect,
const QwtPlotPrintFilter &pfilter) const
{
int axis;
if ( painter == 0 || !painter->isActive() ||
!plotRect.isValid() || size().isNull() )
return;
painter->save();
// All paint operations need to be scaled according to
// the paint device metrics.
QwtPainter::setMetricsMap(this, painter->device());
#if QT_VERSION < 300
if ( painter->device()->isExtDev() )
{
QPaintDeviceMetrics metrics(painter->device());
if ( metrics.logicalDpiX() == 72 && metrics.logicalDpiY() == 72 )
{
// In Qt 2.x QPrinter returns hardcoded wrong metrics.
// So scaling won´t work: we reset to screen resolution
QwtPainter::setMetricsMap(this, this);
}
}
#endif
const QwtMetricsMap &metricsMap = QwtPainter::metricsMap();
// It is almost impossible to integrate into the Qt layout
// framework, when using different fonts for printing
// and screen. To avoid writing different and Qt unconform
// layout engines we change the widget attributes, print and
// reset the widget attributes again. This way we produce a lot of
// useless layout events ...
pfilter.apply((QwtPlot *)this);
int baseLineDists[QwtPlot::axisCnt];
if ( !(pfilter.options() & QwtPlotPrintFilter::PrintCanvasBackground) )
{
// In case of no background we set the backbone of
// the scale on the frame of the canvas.
for (axis = 0; axis < QwtPlot::axisCnt; axis++ )
{
if ( d_scale[axis] )
{
baseLineDists[axis] = d_scale[axis]->baseLineDist();
d_scale[axis]->setBaselineDist(0);
}
}
}
// Calculate the layout for the print.
int layoutOptions = QwtPlotLayout::IgnoreScrollbars
| QwtPlotLayout::IgnoreFrames;
if ( !(pfilter.options() & QwtPlotPrintFilter::PrintMargin) )
layoutOptions |= QwtPlotLayout::IgnoreMargin;
if ( !(pfilter.options() & QwtPlotPrintFilter::PrintLegend) )
layoutOptions |= QwtPlotLayout::IgnoreLegend;
d_layout->activate(this, QwtPainter::metricsMap().deviceToLayout(plotRect),
layoutOptions);
if ((pfilter.options() & QwtPlotPrintFilter::PrintTitle)
&& (!d_lblTitle->text().isEmpty()))
{
printTitle(painter, d_layout->titleRect());
}
if ( (pfilter.options() & QwtPlotPrintFilter::PrintLegend)
&& !d_legend->isEmpty() )
{
printLegend(painter, d_layout->legendRect());
}
for ( axis = 0; axis < QwtPlot::axisCnt; axis++ )
{
if (d_scale[axis])
{
int baseDist = d_scale[axis]->baseLineDist();
int startDist, endDist;
d_scale[axis]->minBorderDist(startDist, endDist);
printScale(painter, axis, startDist, endDist,
baseDist, d_layout->scaleRect(axis));
}
}
const QRect canvasRect = metricsMap.layoutToDevice(d_layout->canvasRect());
// When using QwtPainter all sizes where computed in pixel
// coordinates and scaled by QwtPainter later. This limits
// the precision to screen resolution. A much better solution
// is to scale the maps and print in unlimited resolution.
QwtArray<QwtDiMap> map(axisCnt);
for (axis = 0; axis < axisCnt; axis++)
{
const QwtScaleDiv &scaleDiv = d_as[axis].scaleDiv();
map[axis].setDblRange(scaleDiv.lBound(),
scaleDiv.hBound(), scaleDiv.logScale());
double from, to;
if ( axisEnabled(axis) )
{
const int sDist = d_scale[axis]->startBorderDist();
const int eDist = d_scale[axis]->endBorderDist();
const QRect &scaleRect = d_layout->scaleRect(axis);
if ( axis == xTop || axis == xBottom )
{
from = metricsMap.layoutToDeviceX(scaleRect.left() + sDist);
to = metricsMap.layoutToDeviceX(scaleRect.right() - eDist);
}
else
{
from = metricsMap.layoutToDeviceY(scaleRect.bottom() - sDist);
to = metricsMap.layoutToDeviceY(scaleRect.top() + eDist);
}
}
else
{
const int margin = plotLayout()->canvasMargin(axis);
const QRect &canvasRect = plotLayout()->canvasRect();
if ( axis == yLeft || axis == yRight )
{
from = metricsMap.layoutToDeviceX(canvasRect.bottom() - margin);
to = metricsMap.layoutToDeviceX(canvasRect.top() + margin);
}
else
{
from = metricsMap.layoutToDeviceY(canvasRect.left() + margin);
to = metricsMap.layoutToDeviceY(canvasRect.right() - margin);
}
}
map[axis].setIntRange( qwtInt(from), qwtInt(to));
}
// The maps are already scaled.
QwtPainter::setMetricsMap(painter->device(), painter->device());
printCanvas(painter, canvasRect, map, pfilter);
QwtPainter::resetMetricsMap();
d_layout->invalidate();
// reset all widgets with their original attributes.
if ( !(pfilter.options() & QwtPlotPrintFilter::PrintCanvasBackground) )
{
// restore the previous base line dists
for (axis = 0; axis < QwtPlot::axisCnt; axis++ )
{
if ( d_scale[axis] )
d_scale[axis]->setBaselineDist(baseLineDists[axis]);
}
}
pfilter.reset((QwtPlot *)this);
painter->restore();
}
/*!
\brief Paint the plot into a given rectangle.
Paint the contents of a QwtPlot instance into a given rectangle.
\param painter Painter
\param plotRect Bounding rectangle
\param pfilter Print filter
\sa QwtPlotPrintFilter
*/
void QwtPlot::print(QPainter *painter, const QRect &plotRect,
const QwtPlotPrintFilter &pfilter) const
{
int axisId;
if ( painter == 0 || !painter->isActive() ||
!plotRect.isValid() || size().isNull() )
return;
painter->save();
#if 1
/*
PDF: In Qt4 ( <= 4.3.2 ) the scales are painted in gray instead of
black. See http://trolltech.com/developer/task-tracker/index_html?id=184671&method=entry
The dummy lines below work around the problem.
*/
const QPen pen = painter->pen();
painter->setPen(QPen(Qt::black, 1));
painter->setPen(pen);
#endif
// All paint operations need to be scaled according to
// the paint device metrics.
QwtPainter::setMetricsMap(this, painter->device());
const QwtMetricsMap &metricsMap = QwtPainter::metricsMap();
// It is almost impossible to integrate into the Qt layout
// framework, when using different fonts for printing
// and screen. To avoid writing different and Qt unconform
// layout engines we change the widget attributes, print and
// reset the widget attributes again. This way we produce a lot of
// useless layout events ...
pfilter.apply((QwtPlot *)this);
int baseLineDists[QwtPlot::axisCnt];
if ( pfilter.options() & QwtPlotPrintFilter::PrintFrameWithScales ) {
for (axisId = 0; axisId < QwtPlot::axisCnt; axisId++ ) {
QwtScaleWidget *scaleWidget = (QwtScaleWidget *)axisWidget(axisId);
if ( scaleWidget ) {
baseLineDists[axisId] = scaleWidget->margin();
scaleWidget->setMargin(0);
}
}
}
// Calculate the layout for the print.
int layoutOptions = QwtPlotLayout::IgnoreScrollbars
| QwtPlotLayout::IgnoreFrames;
if ( !(pfilter.options() & QwtPlotPrintFilter::PrintMargin) )
layoutOptions |= QwtPlotLayout::IgnoreMargin;
if ( !(pfilter.options() & QwtPlotPrintFilter::PrintLegend) )
layoutOptions |= QwtPlotLayout::IgnoreLegend;
((QwtPlot *)this)->plotLayout()->activate(this,
QwtPainter::metricsMap().deviceToLayout(plotRect),
layoutOptions);
if ((pfilter.options() & QwtPlotPrintFilter::PrintTitle)
&& (!titleLabel()->text().isEmpty())) {
printTitle(painter, plotLayout()->titleRect());
}
if ( (pfilter.options() & QwtPlotPrintFilter::PrintLegend)
&& legend() && !legend()->isEmpty() ) {
printLegend(painter, plotLayout()->legendRect());
}
for ( axisId = 0; axisId < QwtPlot::axisCnt; axisId++ ) {
QwtScaleWidget *scaleWidget = (QwtScaleWidget *)axisWidget(axisId);
if (scaleWidget) {
int baseDist = scaleWidget->margin();
int startDist, endDist;
scaleWidget->getBorderDistHint(startDist, endDist);
printScale(painter, axisId, startDist, endDist,
baseDist, plotLayout()->scaleRect(axisId));
}
}
QRect canvasRect = plotLayout()->canvasRect();
/*
The border of the bounding rect needs to ba scaled to
layout coordinates, so that it is aligned to the axes
*/
QRect boundingRect( canvasRect.left() - 1, canvasRect.top() - 1,
canvasRect.width() + 2, canvasRect.height() + 2);
boundingRect = metricsMap.layoutToDevice(boundingRect);
boundingRect.setWidth(boundingRect.width() - 1);
boundingRect.setHeight(boundingRect.height() - 1);
canvasRect = metricsMap.layoutToDevice(canvasRect);
// When using QwtPainter all sizes where computed in pixel
// coordinates and scaled by QwtPainter later. This limits
// the precision to screen resolution. A better solution
// is to scale the maps and print in unlimited resolution.
QwtScaleMap map[axisCnt];
for (axisId = 0; axisId < axisCnt; axisId++) {
map[axisId].setTransformation(axisScaleEngine(axisId)->transformation());
const QwtScaleDiv &scaleDiv = *axisScaleDiv(axisId);
map[axisId].setScaleInterval(scaleDiv.lBound(), scaleDiv.hBound());
double from, to;
if ( axisEnabled(axisId) ) {
const int sDist = axisWidget(axisId)->startBorderDist();
const int eDist = axisWidget(axisId)->endBorderDist();
const QRect &scaleRect = plotLayout()->scaleRect(axisId);
if ( axisId == xTop || axisId == xBottom ) {
from = metricsMap.layoutToDeviceX(scaleRect.left() + sDist);
to = metricsMap.layoutToDeviceX(scaleRect.right() + 1 - eDist);
} else {
from = metricsMap.layoutToDeviceY(scaleRect.bottom() + 1 - eDist );
to = metricsMap.layoutToDeviceY(scaleRect.top() + sDist);
}
} else {
int margin = plotLayout()->canvasMargin(axisId);
if ( axisId == yLeft || axisId == yRight ) {
margin = metricsMap.layoutToDeviceY(margin);
from = canvasRect.bottom() - margin;
to = canvasRect.top() + margin;
} else {
margin = metricsMap.layoutToDeviceX(margin);
from = canvasRect.left() + margin;
to = canvasRect.right() - margin;
}
}
map[axisId].setPaintXInterval(from, to);
}
// The canvas maps are already scaled.
QwtPainter::setMetricsMap(painter->device(), painter->device());
printCanvas(painter, boundingRect, canvasRect, map, pfilter);
QwtPainter::resetMetricsMap();
((QwtPlot *)this)->plotLayout()->invalidate();
// reset all widgets with their original attributes.
if ( pfilter.options() & QwtPlotPrintFilter::PrintFrameWithScales ) {
// restore the previous base line dists
for (axisId = 0; axisId < QwtPlot::axisCnt; axisId++ ) {
QwtScaleWidget *scaleWidget = (QwtScaleWidget *)axisWidget(axisId);
if ( scaleWidget )
scaleWidget->setMargin(baseLineDists[axisId]);
}
}
pfilter.reset((QwtPlot *)this);
painter->restore();
}
void QwtPlot::printLegend(QPainter *painter, const QRect &rect) const
{
if ( !legend() || legend()->isEmpty() )
return;
QLayout *l = legend()->contentsWidget()->layout();
if ( l == 0 || !l->inherits("QwtDynGridLayout") )
return;
QwtDynGridLayout *legendLayout = (QwtDynGridLayout *)l;
uint numCols = legendLayout->columnsForWidth(rect.width());
#if QT_VERSION < 0x040000
QValueList<QRect> itemRects =
legendLayout->layoutItems(rect, numCols);
#else
QList<QRect> itemRects =
legendLayout->layoutItems(rect, numCols);
#endif
int index = 0;
#if QT_VERSION < 0x040000
QLayoutIterator layoutIterator = legendLayout->iterator();
for ( QLayoutItem *item = layoutIterator.current();
item != 0; item = ++layoutIterator) {
#else
for ( int i = 0; i < legendLayout->count(); i++ ) {
QLayoutItem *item = legendLayout->itemAt(i);
#endif
QWidget *w = item->widget();
if ( w ) {
painter->save();
painter->setClipping(true);
QwtPainter::setClipRect(painter, itemRects[index]);
printLegendItem(painter, w, itemRects[index]);
index++;
painter->restore();
}
}
}
/*!
Print the legend item into a given rectangle.
\param painter Painter
\param w Widget representing a legend item
\param rect Bounding rectangle
*/
void QwtPlot::printLegendItem(QPainter *painter,
const QWidget *w, const QRect &rect) const
{
if ( w->inherits("QwtLegendItem") ) {
QwtLegendItem *item = (QwtLegendItem *)w;
painter->setFont(item->font());
item->drawItem(painter, rect);
}
}
/*!
\brief Paint a scale into a given rectangle.
Paint the scale into a given rectangle.
\param painter Painter
\param axisId Axis
\param startDist Start border distance
\param endDist End border distance
\param baseDist Base distance
\param rect Bounding rectangle
*/
void QwtPlot::printScale(QPainter *painter,
int axisId, int startDist, int endDist, int baseDist,
const QRect &rect) const
{
if (!axisEnabled(axisId))
return;
const QwtScaleWidget *scaleWidget = axisWidget(axisId);
if ( scaleWidget->isColorBarEnabled()
&& scaleWidget->colorBarWidth() > 0) {
const QwtMetricsMap map = QwtPainter::metricsMap();
QRect r = map.layoutToScreen(rect);
r.setWidth(r.width() - 1);
r.setHeight(r.height() - 1);
scaleWidget->drawColorBar(painter, scaleWidget->colorBarRect(r));
const int off = scaleWidget->colorBarWidth() + scaleWidget->spacing();
if ( scaleWidget->scaleDraw()->orientation() == Qt::Horizontal )
baseDist += map.screenToLayoutY(off);
else
baseDist += map.screenToLayoutX(off);
}
QwtScaleDraw::Alignment align;
int x, y, w;
switch(axisId) {
case yLeft: {
x = rect.right() - baseDist;
y = rect.y() + startDist;
w = rect.height() - startDist - endDist;
align = QwtScaleDraw::LeftScale;
break;
}
case yRight: {
x = rect.left() + baseDist;
y = rect.y() + startDist;
w = rect.height() - startDist - endDist;
align = QwtScaleDraw::RightScale;
break;
}
case xTop: {
x = rect.left() + startDist;
y = rect.bottom() - baseDist;
w = rect.width() - startDist - endDist;
align = QwtScaleDraw::TopScale;
break;
}
case xBottom: {
x = rect.left() + startDist;
y = rect.top() + baseDist;
w = rect.width() - startDist - endDist;
align = QwtScaleDraw::BottomScale;
break;
}
default:
return;
}
scaleWidget->drawTitle(painter, align, rect);
painter->save();
painter->setFont(scaleWidget->font());
QPen pen = painter->pen();
pen.setWidth(scaleWidget->penWidth());
painter->setPen(pen);
QwtScaleDraw *sd = (QwtScaleDraw *)scaleWidget->scaleDraw();
const QPoint sdPos = sd->pos();
const int sdLength = sd->length();
sd->move(x, y);
sd->setLength(w);
#if QT_VERSION < 0x040000
sd->draw(painter, scaleWidget->palette().active());
#else
QPalette palette = scaleWidget->palette();
palette.setCurrentColorGroup(QPalette::Active);
sd->draw(painter, palette);
#endif
// reset previous values
sd->move(sdPos);
sd->setLength(sdLength);
painter->restore();
}
/*!
Print the canvas into a given rectangle.
\param painter Painter
\param map Maps mapping between plot and paint device coordinates
\param boundingRect Bounding rectangle
\param canvasRect Canvas rectangle
\param pfilter Print filter
\sa QwtPlotPrintFilter
*/
void QwtPlot::printCanvas(QPainter *painter,
const QRect &boundingRect, const QRect &canvasRect,
const QwtScaleMap map[axisCnt], const QwtPlotPrintFilter &pfilter) const
{
if ( pfilter.options() & QwtPlotPrintFilter::PrintBackground ) {
QBrush bgBrush;
#if QT_VERSION >= 0x040000
bgBrush = canvas()->palette().brush(backgroundRole());
#else
QColorGroup::ColorRole role =
QPalette::backgroundRoleFromMode( backgroundMode() );
bgBrush = canvas()->colorGroup().brush( role );
#endif
QRect r = boundingRect;
if ( !(pfilter.options() & QwtPlotPrintFilter::PrintFrameWithScales) ) {
r = canvasRect;
#if QT_VERSION >= 0x040000
// Unfortunately the paint engines do no always the same
const QPaintEngine *pe = painter->paintEngine();
if ( pe ) {
switch(painter->paintEngine()->type() ) {
case QPaintEngine::Raster:
case QPaintEngine::X11:
break;
default:
r.setWidth(r.width() - 1);
r.setHeight(r.height() - 1);
break;
}
}
#else
if ( painter->device()->isExtDev() ) {
r.setWidth(r.width() - 1);
r.setHeight(r.height() - 1);
}
#endif
}
QwtPainter::fillRect(painter, r, bgBrush);
}
if ( pfilter.options() & QwtPlotPrintFilter::PrintFrameWithScales ) {
painter->save();
painter->setPen(QPen(Qt::black));
painter->setBrush(QBrush(Qt::NoBrush));
QwtPainter::drawRect(painter, boundingRect);
painter->restore();
}
painter->setClipping(true);
QwtPainter::setClipRect(painter, canvasRect);
drawItems(painter, canvasRect, map, pfilter);
}
void Plot::printScale(QPainter *painter, int axisId, int startDist, int endDist,
int baseDist, const QRect &rect) const
{
if (!axisEnabled(axisId))
return;
const QwtScaleWidget *scaleWidget = axisWidget(axisId);
if ( scaleWidget->isColorBarEnabled()
&& scaleWidget->colorBarWidth() > 0)
{
const QwtMetricsMap map = QwtPainter::metricsMap();
const QRect r = map.layoutToScreen(rect);
scaleWidget->drawColorBar(painter, scaleWidget->colorBarRect(r));
const int off = scaleWidget->colorBarWidth() + scaleWidget->spacing();
if ( scaleWidget->scaleDraw()->orientation() == Qt::Horizontal )
baseDist += map.screenToLayoutY(off);
else
baseDist += map.screenToLayoutX(off);
}
QwtScaleDraw::Alignment align;
int x, y, w;
const int bw2 = scaleWidget->penWidth() / 2;
switch(axisId)
{
case yLeft:
{
x = rect.right() - baseDist + 1 - bw2;
y = rect.y() + startDist;
w = rect.height() - startDist - endDist;
align = QwtScaleDraw::LeftScale;
break;
}
case yRight:
{
x = rect.left() + baseDist;
if (scaleWidget->penWidth() % 2 == 0)
x += 1;
y = rect.y() + startDist;
w = rect.height() - startDist - endDist + bw2;
align = QwtScaleDraw::RightScale;
break;
}
case xTop:
{
x = rect.left() + startDist;
y = rect.bottom() - baseDist + 1;
if (scaleWidget->penWidth() % 2 == 0)
y -= bw2;
w = rect.width() - startDist - endDist;
align = QwtScaleDraw::TopScale;
break;
}
case xBottom:
{
x = rect.left() + startDist;
y = rect.top() + baseDist;
if (scaleWidget->penWidth() % 2 == 1)
y += bw2;
w = rect.width() - startDist - endDist + bw2;
align = QwtScaleDraw::BottomScale;
break;
}
default:
return;
}
scaleWidget->drawTitle(painter, align, rect);
painter->save();
painter->setFont(scaleWidget->font());
QPen pen = painter->pen();
pen.setWidth(scaleWidget->penWidth());
painter->setPen(pen);
QwtScaleDraw *sd = (QwtScaleDraw *)scaleWidget->scaleDraw();
const QPoint sdPos = sd->pos();
const int sdLength = sd->length();
sd->move(x, y);
sd->setLength(w);
#if QT_VERSION < 0x040000
sd->draw(painter, scaleWidget->palette().active());
#else
QPalette palette = scaleWidget->palette();
palette.setCurrentColorGroup(QPalette::Active);
sd->draw(painter, palette);
#endif
// reset previous values
sd->move(sdPos);
sd->setLength(sdLength);
painter->restore();
}
bool SaxsviewImage::colorBarVisible() const {
return axisEnabled(QwtPlot::yRight);
}
void QwtPlot::printLegend(QPainter *painter, const QRect &rect) const
{
if ( !legend() || legend()->isEmpty() )
return;
QLayout *l = legend()->contentsWidget()->layout();
if ( l == 0 || !l->inherits("QwtDynGridLayout") )
return;
QwtDynGridLayout *legendLayout = (QwtDynGridLayout *)l;
uint numCols = legendLayout->columnsForWidth(rect.width());
#if QT_VERSION < 0x040000
QValueList<QRect> itemRects =
legendLayout->layoutItems(rect, numCols);
#else
QList<QRect> itemRects =
legendLayout->layoutItems(rect, numCols);
#endif
int index = 0;
#if QT_VERSION < 0x040000
QLayoutIterator layoutIterator = legendLayout->iterator();
for ( QLayoutItem *item = layoutIterator.current();
item != 0; item = ++layoutIterator)
{
#else
for ( int i = 0; i < legendLayout->count(); i++ )
{
QLayoutItem *item = legendLayout->itemAt(i);
#endif
QWidget *w = item->widget();
if ( w )
{
painter->save();
painter->setClipping(true);
QwtPainter::setClipRect(painter, itemRects[index]);
printLegendItem(painter, w, itemRects[index]);
index++;
painter->restore();
}
}
}
/*!
Print the legend item into a given rectangle.
\param painter Painter
\param w Widget representing a legend item
\param rect Bounding rectangle
*/
void QwtPlot::printLegendItem(QPainter *painter,
const QWidget *w, const QRect &rect) const
{
if ( w->inherits("QwtLegendItem") )
{
QwtLegendItem *item = (QwtLegendItem *)w;
painter->setFont(item->font());
item->drawItem(painter, rect);
}
}
/*!
\brief Paint a scale into a given rectangle.
Paint the scale into a given rectangle.
\param painter Painter
\param axisId Axis
\param startDist Start border distance
\param endDist End border distance
\param baseDist Base distance
\param rect Bounding rectangle
*/
void QwtPlot::printScale(QPainter *painter,
int axisId, int startDist, int endDist, int baseDist,
const QRect &rect) const
{
if (!axisEnabled(axisId))
return;
QwtScaleDraw::Alignment align;
int x, y, w;
switch(axisId)
{
case yLeft:
{
x = rect.right() - baseDist + 1;
y = rect.y() + startDist;
w = rect.height() - startDist - endDist;
align = QwtScaleDraw::LeftScale;
break;
}
case yRight:
{
x = rect.left() + baseDist;
y = rect.y() + startDist;
w = rect.height() - startDist - endDist;
align = QwtScaleDraw::RightScale;
break;
}
case xTop:
{
x = rect.left() + startDist;
y = rect.bottom() - baseDist + 1;
w = rect.width() - startDist - endDist;
align = QwtScaleDraw::TopScale;
break;
}
case xBottom:
{
x = rect.left() + startDist;
y = rect.top() + baseDist;
w = rect.width() - startDist - endDist;
align = QwtScaleDraw::BottomScale;
break;
}
default:
return;
}
const QwtScaleWidget *scaleWidget = axisWidget(axisId);
scaleWidget->drawTitle(painter, align, rect);
painter->save();
painter->setFont(scaleWidget->font());
QwtScaleDraw *sd = (QwtScaleDraw *)scaleWidget->scaleDraw();
const QPoint sdPos = sd->pos();
const int sdLength = sd->length();
sd->move(x, y);
sd->setLength(w);
#if QT_VERSION < 0x040000
sd->draw(painter, scaleWidget->palette().active());
#else
QPalette palette = scaleWidget->palette();
palette.setCurrentColorGroup(QPalette::Active);
sd->draw(painter, palette);
#endif
// reset previous values
sd->move(sdPos);
sd->setLength(sdLength);
painter->restore();
}
/*!
Print the canvas into a given rectangle.
\param painter Painter
\param map Maps mapping between plot and paint device coordinates
\param canvasRect Bounding rectangle
\param pfilter Print filter
\sa QwtPlotPrintFilter
*/
void QwtPlot::printCanvas(QPainter *painter, const QRect &canvasRect,
const QwtArray<QwtScaleMap> &map, const QwtPlotPrintFilter &pfilter) const
{
if ( pfilter.options() & QwtPlotPrintFilter::PrintCanvasBackground )
{
painter->setPen(Qt::NoPen);
QBrush bgBrush;
#if QT_VERSION >= 0x040000
bgBrush = canvas()->palette().brush(backgroundRole());
#else
QColorGroup::ColorRole role =
QPalette::backgroundRoleFromMode( backgroundMode() );
bgBrush = canvas()->colorGroup().brush( role );
#endif
painter->setBrush(bgBrush);
int x1 = 0;
int x2 = 0;
int y1 = 0;
int y2 = 0;
#if QT_VERSION >= 0x040000
switch(painter->device()->paintEngine()->type())
{
case QPaintEngine::PostScript:
x2 = 1;
y2 = 1;
break;
default:;
}
#endif
const QwtMetricsMap map = QwtPainter::metricsMap();
x1 = map.screenToLayoutX(x1);
x2 = map.screenToLayoutX(x2);
y1 = map.screenToLayoutY(y1);
y2 = map.screenToLayoutY(y2);
QwtPainter::drawRect(painter,
canvasRect.x() + x1, canvasRect.y() + y1,
canvasRect.width() - x2, canvasRect.height() - y2);
}
else
{
// Paint the canvas borders instead.
painter->setPen(QPen(Qt::black));
painter->setBrush(QBrush(Qt::NoBrush));
QwtPainter::drawRect(painter, canvasRect);
}
painter->setClipping(true);
QwtPainter::setClipRect(painter, canvasRect);
drawItems(painter, canvasRect, map, pfilter);
}
/*!
\brief Paint the plot into a given rectangle.
Paint the contents of a QwtPlot instance into a given rectangle.
\param painter Painter
\param plotRect Bounding rectangle
\param pfilter Print filter
\sa QwtPlotPrintFilter
*/
void QwtPlot::print(QPainter *painter, const QRect &plotRect,
const QwtPlotPrintFilter &pfilter) const
{
int axisId;
if ( painter == 0 || !painter->isActive() ||
!plotRect.isValid() || size().isNull() )
return;
painter->save();
// All paint operations need to be scaled according to
// the paint device metrics.
QwtPainter::setMetricsMap(this, painter->device());
const QwtMetricsMap &metricsMap = QwtPainter::metricsMap();
// It is almost impossible to integrate into the Qt layout
// framework, when using different fonts for printing
// and screen. To avoid writing different and Qt unconform
// layout engines we change the widget attributes, print and
// reset the widget attributes again. This way we produce a lot of
// useless layout events ...
pfilter.apply((QwtPlot *)this);
int baseLineDists[QwtPlot::axisCnt];
if ( !(pfilter.options() & QwtPlotPrintFilter::PrintCanvasBackground) )
{
// In case of no background we set the backbone of
// the scale on the frame of the canvas.
for (axisId = 0; axisId < QwtPlot::axisCnt; axisId++ )
{
QwtScaleWidget *scaleWidget = (QwtScaleWidget *)axisWidget(axisId);
if ( scaleWidget )
{
baseLineDists[axisId] = scaleWidget->baseLineDist();
scaleWidget->setBaselineDist(0);
}
}
}
// Calculate the layout for the print.
int layoutOptions = QwtPlotLayout::IgnoreScrollbars
| QwtPlotLayout::IgnoreFrames;
if ( !(pfilter.options() & QwtPlotPrintFilter::PrintMargin) )
layoutOptions |= QwtPlotLayout::IgnoreMargin;
if ( !(pfilter.options() & QwtPlotPrintFilter::PrintLegend) )
layoutOptions |= QwtPlotLayout::IgnoreLegend;
((QwtPlot *)this)->plotLayout()->activate(this,
QwtPainter::metricsMap().deviceToLayout(plotRect),
layoutOptions);
if ((pfilter.options() & QwtPlotPrintFilter::PrintTitle)
&& (!titleLabel()->text().isEmpty()))
{
printTitle(painter, plotLayout()->titleRect());
}
if ( (pfilter.options() & QwtPlotPrintFilter::PrintLegend)
&& legend() && !legend()->isEmpty() )
{
printLegend(painter, plotLayout()->legendRect());
}
for ( axisId = 0; axisId < QwtPlot::axisCnt; axisId++ )
{
QwtScaleWidget *scaleWidget = (QwtScaleWidget *)axisWidget(axisId);
if (scaleWidget)
{
int baseDist = scaleWidget->baseLineDist();
int startDist, endDist;
scaleWidget->getBorderDistHint(startDist, endDist);
printScale(painter, axisId, startDist, endDist,
baseDist, plotLayout()->scaleRect(axisId));
}
}
const QRect canvasRect = metricsMap.layoutToDevice(plotLayout()->canvasRect());
// When using QwtPainter all sizes where computed in pixel
// coordinates and scaled by QwtPainter later. This limits
// the precision to screen resolution. A much better solution
// is to scale the maps and print in unlimited resolution.
QwtArray<QwtScaleMap> map(axisCnt);
for (axisId = 0; axisId < axisCnt; axisId++)
{
map[axisId].setTransformation(axisScaleEngine(axisId)->transformation());
const QwtScaleDiv &scaleDiv = *axisScaleDiv(axisId);
map[axisId].setScaleInterval(scaleDiv.lBound(), scaleDiv.hBound());
double from, to;
if ( axisEnabled(axisId) )
{
const int sDist = axisWidget(axisId)->startBorderDist();
const int eDist = axisWidget(axisId)->endBorderDist();
const QRect &scaleRect = plotLayout()->scaleRect(axisId);
if ( axisId == xTop || axisId == xBottom )
{
from = metricsMap.layoutToDeviceX(scaleRect.left() + sDist);
to = metricsMap.layoutToDeviceX(scaleRect.right() - eDist);
}
else
{
from = metricsMap.layoutToDeviceY(scaleRect.bottom() - sDist);
to = metricsMap.layoutToDeviceY(scaleRect.top() + eDist);
}
}
else
{
const int margin = plotLayout()->canvasMargin(axisId);
const QRect &canvasRect = plotLayout()->canvasRect();
if ( axisId == yLeft || axisId == yRight )
{
from = metricsMap.layoutToDeviceX(canvasRect.bottom() - margin);
to = metricsMap.layoutToDeviceX(canvasRect.top() + margin);
}
else
{
from = metricsMap.layoutToDeviceY(canvasRect.left() + margin);
to = metricsMap.layoutToDeviceY(canvasRect.right() - margin);
}
}
map[axisId].setPaintXInterval(from, to);
}
// The canvas maps are already scaled.
QwtPainter::setMetricsMap(painter->device(), painter->device());
printCanvas(painter, canvasRect, map, pfilter);
QwtPainter::resetMetricsMap();
((QwtPlot *)this)->plotLayout()->invalidate();
// reset all widgets with their original attributes.
if ( !(pfilter.options() & QwtPlotPrintFilter::PrintCanvasBackground) )
{
// restore the previous base line dists
for (axisId = 0; axisId < QwtPlot::axisCnt; axisId++ )
{
QwtScaleWidget *scaleWidget = (QwtScaleWidget *)axisWidget(axisId);
if ( scaleWidget )
scaleWidget->setBaselineDist(baseLineDists[axisId]);
}
}
pfilter.reset((QwtPlot *)this);
painter->restore();
}
/*!
\brief Adjust plot content to its current size.
\sa resizeEvent()
*/
void QwtPlot::updateLayout()
{
d_data->layout->activate( this, contentsRect() );
QRect titleRect = d_data->layout->titleRect().toRect();
QRect footerRect = d_data->layout->footerRect().toRect();
QRect scaleRect[QwtPlot::axisCnt];
for ( int axisId = 0; axisId < axisCnt; axisId++ )
scaleRect[axisId] = d_data->layout->scaleRect( axisId ).toRect();
QRect legendRect = d_data->layout->legendRect().toRect();
QRect canvasRect = d_data->layout->canvasRect().toRect();
// resize and show the visible widgets
if ( !d_data->titleLabel->text().isEmpty() )
{
d_data->titleLabel->setGeometry( titleRect );
if ( !d_data->titleLabel->isVisibleTo( this ) )
d_data->titleLabel->show();
}
else
d_data->titleLabel->hide();
if ( !d_data->footerLabel->text().isEmpty() )
{
d_data->footerLabel->setGeometry( footerRect );
if ( !d_data->footerLabel->isVisibleTo( this ) )
d_data->footerLabel->show();
}
else
d_data->footerLabel->hide();
for ( int axisId = 0; axisId < axisCnt; axisId++ )
{
if ( axisEnabled( axisId ) )
{
axisWidget( axisId )->setGeometry( scaleRect[axisId] );
#if 1
if ( axisId == xBottom || axisId == xTop )
{
// do we need this code any longer ???
QRegion r( scaleRect[axisId] );
if ( axisEnabled( yLeft ) )
r = r.subtracted( QRegion( scaleRect[yLeft] ) );
if ( axisEnabled( yRight ) )
r = r.subtracted( QRegion( scaleRect[yRight] ) );
r.translate( -scaleRect[ axisId ].x(),
-scaleRect[axisId].y() );
axisWidget( axisId )->setMask( r );
}
#endif
if ( !axisWidget( axisId )->isVisibleTo( this ) )
axisWidget( axisId )->show();
}
else
axisWidget( axisId )->hide();
}
if ( d_data->legend )
{
if ( d_data->legend->isEmpty() )
{
d_data->legend->hide();
}
else
{
d_data->legend->setGeometry( legendRect );
d_data->legend->show();
}
}
d_data->canvas->setGeometry( canvasRect );
}
