void markPeak(Plotter* p, const QModelIndex& peak, quint64 cost, const KColorScheme& scheme)
{
QBrush brush = p->model()->data(peak, DatasetBrushRole).value<QBrush>();
QColor outline = brush.color();
QColor foreground = scheme.foreground().color();
QBrush background = scheme.background();
DataValueAttributes dataAttributes = p->dataValueAttributes(peak);
dataAttributes.setDataLabel(prettyCost(cost));
dataAttributes.setVisible(true);
dataAttributes.setShowRepetitiveDataLabels(true);
dataAttributes.setShowOverlappingDataLabels(false);
FrameAttributes frameAttrs = dataAttributes.frameAttributes();
QPen framePen(outline);
framePen.setWidth(2);
frameAttrs.setPen(framePen);
frameAttrs.setVisible(true);
dataAttributes.setFrameAttributes(frameAttrs);
MarkerAttributes a = dataAttributes.markerAttributes();
a.setMarkerSize(QSizeF(7, 7));
a.setPen(outline);
a.setMarkerStyle(KChart::MarkerAttributes::MarkerDiamond);
a.setVisible(true);
dataAttributes.setMarkerAttributes(a);
TextAttributes txtAttrs = dataAttributes.textAttributes();
txtAttrs.setPen(foreground);
txtAttrs.setFontSize(Measure(12));
dataAttributes.setTextAttributes(txtAttrs);
BackgroundAttributes bkgAtt = dataAttributes.backgroundAttributes();
bkgAtt.setBrush(background);
bkgAtt.setVisible(true);
dataAttributes.setBackgroundAttributes(bkgAtt);
p->setDataValueAttributes(peak, dataAttributes);
}
// since DataValue markers have no relative sizing mode we need to scale them for printing
void MainWindow::paintMarkers( bool checked, const QSize& printSize )
{
MarkerAttributes::MarkerStylesMap map;
map.insert( 0, MarkerAttributes::MarkerSquare );
map.insert( 1, MarkerAttributes::MarkerCircle );
map.insert( 2, MarkerAttributes::MarkerRing );
map.insert( 3, MarkerAttributes::MarkerCross );
map.insert( 4, MarkerAttributes::MarkerDiamond );
// next: Specify column- / cell-specific attributes!
const int colCount = m_lines->model()->columnCount();
for ( int iColumn = 0; iColumn<colCount; ++iColumn ) {
DataValueAttributes dva = m_lines->dataValueAttributes( iColumn );
dva.setVisible( true );
MarkerAttributes ma( dva.markerAttributes() );
switch ( markersStyleCB->currentIndex() ) {
case 0:
ma.setMarkerStyle( MarkerAttributes::MarkerSquare );
break;
case 1:
// Column-specific attributes
ma.setMarkerStyle( map.value( iColumn ) );
break;
case 2:
ma.setMarkerStyle( MarkerAttributes::MarkerCircle );
break;
case 3:
ma.setMarkerStyle( MarkerAttributes::MarkerDiamond );
break;
case 4:
ma.setMarkerStyle( MarkerAttributes::Marker1Pixel );
break;
case 5:
ma.setMarkerStyle( MarkerAttributes::Marker4Pixels );
break;
case 6:
ma.setMarkerStyle( MarkerAttributes::MarkerRing );
break;
case 7:
ma.setMarkerStyle( MarkerAttributes::MarkerCross );
break;
case 8:
ma.setMarkerStyle( MarkerAttributes::MarkerFastCross );
break;
default:
Q_ASSERT( false );
}
ma.setVisible( checked );
qreal factorWidth = printSize.isValid() ? ( printSize.width() / m_chart->rect().width() ) : 1.0f;
qreal factorHeight = printSize.isValid() ? ( printSize.height() / m_chart->rect().height() ) : 1.0f;
ma.setMarkerSize( QSize( markersWidthSB->value() * factorWidth, markersHeightSB->value() * factorHeight ) );
dva.setMarkerAttributes( ma );
m_lines->setDataValueAttributes( iColumn, dva );
// make a special one for certain values
DataValueAttributes yellowAttributes( dva );
MarkerAttributes yellowMarker( yellowAttributes.markerAttributes() );
yellowMarker.setMarkerColor( Qt::yellow );
yellowAttributes.setMarkerAttributes( yellowMarker );
const int rowCount = m_lines->model()->rowCount();
for ( int j=0; j< rowCount; ++j ) {
QModelIndex index = m_lines->model()->index( j, iColumn, QModelIndex() );
QBrush brush = m_lines->model()->headerData( iColumn, Qt::Vertical, DatasetBrushRole ).value<QBrush>();
qreal value = m_lines->model()->data( index ).toReal();
/* Set a specific color - marker for a specific value */
if ( value == 13 ) {
m_lines->setDataValueAttributes( index, yellowAttributes );
}
}
}
}