QDebug operator<<( QDebug dbg, const MarkerAttributes & ma ) {
return dbg << "KDChart::MarkerAttributes("
<< "visible=" << ma.isVisible()
<< "markerStylesMap=" << ma.markerStylesMap()
<< "markerStyle=" << ma.markerStyle()
<< "markerColor=" << ma.markerColor()
<< "pen=" << ma.pen()
<< ")";
}
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);
}
void AbstractDiagram::paintMarker( QPainter* painter,
const DataValueAttributes& a,
const QModelIndex& index,
const QPointF& pos )
{
if ( !checkInvariants() || !a.isVisible() ) return;
const MarkerAttributes ma = a.markerAttributes();
if ( !ma.isVisible() ) return;
const PainterSaver painterSaver( painter );
QSizeF maSize = ma.markerSize();
const qreal diagramWidth = d->diagramSize.width();
const qreal diagramHeight = d->diagramSize.height();
switch( ma.markerSizeMode() ) {
case MarkerAttributes::AbsoluteSize:
// Unscaled, i.e. without the painter's "zoom"
maSize.rwidth() /= painter->matrix().m11();
maSize.rheight() /= painter->matrix().m22();
break;
case MarkerAttributes::AbsoluteSizeScaled:
// Keep maSize as is. It is specified directly in pixels and desired
// to be effected by the painter's "zoom".
break;
case MarkerAttributes::RelativeToDiagramWidth:
maSize *= diagramWidth;
break;
case MarkerAttributes::RelativeToDiagramHeight:
maSize *= diagramHeight;
break;
case MarkerAttributes::RelativeToDiagramWidthHeightMin:
maSize *= qMin( diagramWidth, diagramHeight );
break;
}
QBrush indexBrush( brush( index ) );
QPen indexPen( ma.pen() );
if ( ma.markerColor().isValid() )
indexBrush.setColor( ma.markerColor() );
paintMarker( painter, ma, indexBrush, indexPen, pos, maSize );
// workaround: BC cannot be changed, otherwise we would pass the
// index down to next-lower paintMarker function. So far, we
// basically save a circle of radius maSize at pos in the
// reverseMapper. This means that ^^^ this version of paintMarker
// needs to be called to reverse-map the marker.
d->reverseMapper.addCircle( index.row(), index.column(), pos, 2 * maSize );
}
void KDChart::MarkerLayoutItem::paintIntoRect(
QPainter* painter,
const QRect& rect,
AbstractDiagram* diagram,
const MarkerAttributes& marker,
const QBrush& brush,
const QPen& pen )
{
if( ! rect.isValid() )
return;
// The layout management may assign a larger rect than what we
// wanted. We need to adjust the position.
const QSize siz = marker.markerSize().toSize();
QPointF pos = rect.topLeft();
pos += QPointF( static_cast<qreal>(( rect.width() - siz.width()) / 2.0 ),
static_cast<qreal>(( rect.height() - siz.height()) / 2.0 ) );
#ifdef DEBUG_ITEMS_PAINT
QPointF oldPos = pos;
#endif
// And finally, drawMarker() assumes the position to be the center
// of the marker, adjust again.
pos += QPointF( static_cast<qreal>( siz.width() ) / 2.0,
static_cast<qreal>( siz.height() )/ 2.0 );
diagram->paintMarker( painter, marker, brush, pen, pos.toPoint(), siz );
#ifdef DEBUG_ITEMS_PAINT
const QPen oldPen( painter->pen() );
painter->setPen( Qt::red );
painter->drawRect( QRect(oldPos.toPoint(), siz) );
painter->setPen( oldPen );
#endif
}
bool MarkerAttributes::operator==( const MarkerAttributes& r ) const
{
/*
qDebug() << "MarkerAttributes::operator== finds"
<< "b" << (isVisible() == r.isVisible())
<< "c" << (markerStylesMap() == r.markerStylesMap())
<< "d" << (markerStyle() == r.markerStyle()) << markerStyle() <<r.markerStyle()
<< "e" << (markerSize() == r.markerSize())
<< "f" << (markerColor() == r.markerColor())
<< "g" << (pen() == r.pen())
<< "h" << (markerColor() == r.markerColor()) << markerColor() << r.markerColor();
*/
return ( isVisible() == r.isVisible() &&
markerStylesMap() == r.markerStylesMap() &&
markerStyle() == r.markerStyle() &&
markerSize() == r.markerSize() &&
markerColor() == r.markerColor() &&
pen() == r.pen() );
}
void AbstractDiagram::paintMarker( QPainter* painter,
const MarkerAttributes& markerAttributes,
const QBrush& brush,
const QPen& pen,
const QPointF& pos,
const QSizeF& maSize )
{
const QPen oldPen( painter->pen() );
// Pen is used to paint 4Pixels - 1 Pixel - Ring and FastCross types.
// make sure to use the brush color - see above in those cases.
const bool isFourPixels = (markerAttributes.markerStyle() == MarkerAttributes::Marker4Pixels);
if( isFourPixels || (markerAttributes.markerStyle() == MarkerAttributes::Marker1Pixel) ){
// for high-performance point charts with tiny point markers:
painter->setPen( PrintingParameters::scalePen( QPen( brush.color().light() ) ) );
if( isFourPixels ){
const qreal x = pos.x();
const qreal y = pos.y();
painter->drawLine( QPointF(x-1.0,y-1.0),
QPointF(x+1.0,y-1.0) );
painter->drawLine( QPointF(x-1.0,y),
QPointF(x+1.0,y) );
painter->drawLine( QPointF(x-1.0,y+1.0),
QPointF(x+1.0,y+1.0) );
}
painter->drawPoint( pos );
}else{
const PainterSaver painterSaver( painter );
// we only a solid line surrounding the markers
QPen painterPen( pen );
painterPen.setStyle( Qt::SolidLine );
painter->setPen( PrintingParameters::scalePen( painterPen ) );
painter->setBrush( brush );
painter->setRenderHint ( QPainter::Antialiasing );
painter->translate( pos );
switch ( markerAttributes.markerStyle() ) {
case MarkerAttributes::MarkerCircle:
{
if ( markerAttributes.threeD() ) {
QRadialGradient grad;
grad.setCoordinateMode( QGradient::ObjectBoundingMode );
QColor drawColor = brush.color();
grad.setCenter( 0.5, 0.5 );
grad.setRadius( 1.0 );
grad.setFocalPoint( 0.35, 0.35 );
grad.setColorAt( 0.00, drawColor.lighter( 150 ) );
grad.setColorAt( 0.20, drawColor );
grad.setColorAt( 0.50, drawColor.darker( 150 ) );
grad.setColorAt( 0.75, drawColor.darker( 200 ) );
grad.setColorAt( 0.95, drawColor.darker( 250 ) );
grad.setColorAt( 1.00, drawColor.darker( 200 ) );
QBrush newBrush( grad );
newBrush.setMatrix( brush.matrix() );
painter->setBrush( newBrush );
}
painter->drawEllipse( QRectF( 0 - maSize.height()/2, 0 - maSize.width()/2,
maSize.height(), maSize.width()) );
}
break;
case MarkerAttributes::MarkerSquare:
{
QRectF rect( 0 - maSize.width()/2, 0 - maSize.height()/2,
maSize.width(), maSize.height() );
painter->drawRect( rect );
break;
}
case MarkerAttributes::MarkerDiamond:
{
QVector <QPointF > diamondPoints;
QPointF top, left, bottom, right;
top = QPointF( 0, 0 - maSize.height()/2 );
left = QPointF( 0 - maSize.width()/2, 0 );
bottom = QPointF( 0, maSize.height()/2 );
right = QPointF( maSize.width()/2, 0 );
diamondPoints << top << left << bottom << right;
painter->drawPolygon( diamondPoints );
break;
}
// both handled on top of the method:
case MarkerAttributes::Marker1Pixel:
case MarkerAttributes::Marker4Pixels:
break;
case MarkerAttributes::MarkerRing:
{
painter->setPen( PrintingParameters::scalePen( QPen( brush.color() ) ) );
painter->setBrush( Qt::NoBrush );
painter->drawEllipse( QRectF( 0 - maSize.height()/2, 0 - maSize.width()/2,
maSize.height(), maSize.width()) );
break;
}
case MarkerAttributes::MarkerCross:
{
// Note: Markers can have outline,
// so just drawing two rects is NOT the solution here!
const qreal w02 = maSize.width() * 0.2;
const qreal w05 = maSize.width() * 0.5;
const qreal h02 = maSize.height()* 0.2;
const qreal h05 = maSize.height()* 0.5;
QVector <QPointF > crossPoints;
QPointF p[12];
p[ 0] = QPointF( -w02, -h05 );
p[ 1] = QPointF( w02, -h05 );
p[ 2] = QPointF( w02, -h02 );
p[ 3] = QPointF( w05, -h02 );
p[ 4] = QPointF( w05, h02 );
p[ 5] = QPointF( w02, h02 );
p[ 6] = QPointF( w02, h05 );
p[ 7] = QPointF( -w02, h05 );
p[ 8] = QPointF( -w02, h02 );
p[ 9] = QPointF( -w05, h02 );
p[10] = QPointF( -w05, -h02 );
p[11] = QPointF( -w02, -h02 );
for( int i=0; i<12; ++i )
crossPoints << p[i];
crossPoints << p[0];
painter->drawPolygon( crossPoints );
break;
}
case MarkerAttributes::MarkerFastCross:
{
QPointF left, right, top, bottom;
left = QPointF( -maSize.width()/2, 0 );
right = QPointF( maSize.width()/2, 0 );
top = QPointF( 0, -maSize.height()/2 );
bottom= QPointF( 0, maSize.height()/2 );
painter->setPen( PrintingParameters::scalePen( QPen( brush.color() ) ) );
painter->drawLine( left, right );
painter->drawLine( top, bottom );
break;
}
case MarkerAttributes::NoMarker:
break;
default:
Q_ASSERT_X ( false, "paintMarkers()",
"Type item does not match a defined Marker Type." );
}
}
painter->setPen( oldPen );
}
