bool ValueTrackerAttributes::operator==( const ValueTrackerAttributes& r ) const
{
return ( pen() == r.pen() &&
areaBrush() == r.areaBrush() &&
markerSize() == r.markerSize() &&
isEnabled() == r.isEnabled() );
}
void paintElements( AbstractDiagram::Private *diagramPrivate, PaintContext* ctx,
const LabelPaintCache& lpc, const LineAttributesInfoList& lineList )
{
AbstractDiagram* diagram = diagramPrivate->diagram;
// paint all lines and their attributes
const PainterSaver painterSaver( ctx->painter() );
ctx->painter()->setRenderHint( QPainter::Antialiasing, diagram->antiAliasing() );
QBrush curBrush;
QPen curPen;
QPolygonF points;
KDAB_FOREACH ( const LineAttributesInfo& lineInfo, lineList ) {
const QModelIndex& index = lineInfo.index;
const ThreeDLineAttributes td = threeDLineAttributes( diagram, index );
if ( td.isEnabled() ) {
PaintingHelpers::paintThreeDLines( ctx, diagram, index, lineInfo.value,
lineInfo.nextValue, td, &diagramPrivate->reverseMapper );
} else {
const QBrush brush( diagram->brush( index ) );
const QPen pen( diagram->pen( index ) );
// line goes from lineInfo.value to lineInfo.nextValue
diagramPrivate->reverseMapper.addLine( lineInfo.index.row(), lineInfo.index.column(),
lineInfo.value, lineInfo.nextValue );
if ( points.count() && points.last() == lineInfo.value && curBrush == brush && curPen == pen ) {
// continue the current run of lines
} else {
// different painter settings or discontinuous line: start a new run of lines
if ( points.count() ) {
PaintingHelpers::paintPolyline( ctx, curBrush, curPen, points );
}
curBrush = brush;
curPen = pen;
points.clear();
points << lineInfo.value;
}
points << lineInfo.nextValue;
}
}
if ( points.count() ) {
// the last run of lines is yet to be painted - do it now
PaintingHelpers::paintPolyline( ctx, curBrush, curPen, points );
}
KDAB_FOREACH ( const LineAttributesInfo& lineInfo, lineList ) {
const ValueTrackerAttributes vt = valueTrackerAttributes( diagram, lineInfo.index );
if ( vt.isEnabled() ) {
PaintingHelpers::paintValueTracker( ctx, vt, lineInfo.nextValue );
}
}
// paint all data value texts and the point markers
diagramPrivate->paintDataValueTextsAndMarkers( ctx, lpc, true );
}
void LineDiagram::LineDiagramType::paintValueTracker( PaintContext* ctx, const ValueTrackerAttributes& vt, const QPointF& at )
{
CartesianCoordinatePlane* plane = qobject_cast<CartesianCoordinatePlane*>( ctx->coordinatePlane() );
if( !plane )
return;
DataDimensionsList gridDimensions = ctx->coordinatePlane()->gridDimensionsList();
const QPointF bottomLeft( ctx->coordinatePlane()->translate(
QPointF( plane->isHorizontalRangeReversed() ?
gridDimensions.at( 0 ).end :
gridDimensions.at( 0 ).start,
plane->isVerticalRangeReversed() ?
gridDimensions.at( 1 ).end :
gridDimensions.at( 1 ).start ) ) );
const QPointF markerPoint = at;
const QPointF ordinatePoint( bottomLeft.x(), at.y() );
const QPointF abscissaPoint( at.x(), bottomLeft.y() );
const QSizeF markerSize = vt.markerSize();
const QRectF ellipseMarker = QRectF( at.x() - markerSize.width() / 2,
at.y() - markerSize.height() / 2,
markerSize.width(), markerSize.height() );
const QPointF ordinateMarker[3] = {
QPointF( ordinatePoint.x(), at.y() + markerSize.height() / 2 ),
QPointF( ordinatePoint.x() + markerSize.width() / 2, at.y() ),
QPointF( ordinatePoint.x(), at.y() - markerSize.height() / 2 )
};
const QPointF abscissaMarker[3] = {
QPointF( at.x() + markerSize.width() / 2, abscissaPoint.y() ),
QPointF( at.x(), abscissaPoint.y() - markerSize.height() / 2 ),
QPointF( at.x() - markerSize.width() / 2, abscissaPoint.y() )
};
QPointF topLeft = ordinatePoint;
QPointF bottomRightOffset = abscissaPoint - topLeft;
QSizeF size( bottomRightOffset.x(), bottomRightOffset.y() );
QRectF area( topLeft, size );
PainterSaver painterSaver( ctx->painter() );
ctx->painter()->setPen( PrintingParameters::scalePen( vt.pen() ) );
ctx->painter()->setBrush( QBrush() );
ctx->painter()->drawLine( markerPoint, ordinatePoint );
ctx->painter()->drawLine( markerPoint, abscissaPoint );
ctx->painter()->fillRect( area, vt.areaBrush() );
ctx->painter()->drawEllipse( ellipseMarker );
ctx->painter()->setBrush( vt.pen().color() );
ctx->painter()->drawPolygon( ordinateMarker, 3 );
ctx->painter()->drawPolygon( abscissaMarker, 3 );
}
// this method is factored out from LineDiagram::paint, and contains
// the common parts of the method that previously implemented all
// chart types in one
void LineDiagram::LineDiagramType::paintElements(
PaintContext* ctx,
DataValueTextInfoList& list,
LineAttributesInfoList& lineList,
LineAttributes::MissingValuesPolicy policy )
{
Q_UNUSED( policy );
// paint all lines and their attributes
const PainterSaver painterSaver( ctx->painter() );
if ( diagram()->antiAliasing() )
ctx->painter()->setRenderHint ( QPainter::Antialiasing );
LineAttributesInfoListIterator itline ( lineList );
QBrush curBrush;
QPen curPen;
QPolygonF points;
while ( itline.hasNext() ) {
const LineAttributesInfo& lineInfo = itline.next();
const QModelIndex& index = lineInfo.index;
const ThreeDLineAttributes td = diagram()->threeDLineAttributes( index );
const ValueTrackerAttributes vt = diagram()->valueTrackerAttributes( index );
if( td.isEnabled() ){
paintThreeDLines( ctx, index, lineInfo.value, lineInfo.nextValue, td.depth() );
} else {
const QBrush br( diagram()->brush( index ) );
const QPen pn( diagram()->pen( index ) );
if( points.count() && points.last() == lineInfo.value && curBrush == br && curPen == pn ) {
// line goes from last value in points to lineInfo.nextValue
reverseMapper().addLine( lineInfo.index.row(), lineInfo.index.column(), points.last(), lineInfo.nextValue );
points << lineInfo.nextValue;
} else {
if( points.count() )
paintPolyline( ctx, curBrush, curPen, points );
curBrush = br;
curPen = pn;
points.clear();
// line goes from lineInfo.value to lineInfo,nextValue
reverseMapper().addLine( lineInfo.index.row(), lineInfo.index.column(), lineInfo.value, lineInfo.nextValue );
points << lineInfo.value << lineInfo.nextValue;
}
}
if( vt.isEnabled() )
paintValueTracker( ctx, vt, lineInfo.value );
}
if( points.count() )
paintPolyline( ctx, curBrush, curPen, points );
// paint all data value texts and the point markers
paintDataValueTextsAndMarkers( diagram(), ctx, list, true );
}
void paintValueTracker( PaintContext* ctx, const ValueTrackerAttributes& vt, const QPointF& at )
{
CartesianCoordinatePlane* plane = qobject_cast<CartesianCoordinatePlane*>( ctx->coordinatePlane() );
if ( !plane )
return;
DataDimensionsList gridDimensions = ctx->coordinatePlane()->gridDimensionsList();
const QPointF bottomLeft( ctx->coordinatePlane()->translate(
QPointF( plane->isHorizontalRangeReversed() ?
gridDimensions.at( 0 ).end :
gridDimensions.at( 0 ).start,
plane->isVerticalRangeReversed() ?
gridDimensions.at( 1 ).end :
gridDimensions.at( 1 ).start ) ) );
const QPointF topRight( ctx->coordinatePlane()->translate(
QPointF( plane->isHorizontalRangeReversed() ?
gridDimensions.at( 0 ).start :
gridDimensions.at( 0 ).end,
plane->isVerticalRangeReversed() ?
gridDimensions.at( 1 ).start :
gridDimensions.at( 1 ).end ) ) );
const QPointF markerPoint = at;
QPointF startPoint;
if ( vt.orientations() & Qt::Horizontal ) {
startPoint = QPointF( bottomLeft.x(), at.y() );
} else {
startPoint = QPointF( at.x(), topRight.y() );
}
QPointF endPoint;
if ( vt.orientations() & Qt::Vertical ) {
endPoint = QPointF( at.x(), bottomLeft.y() );
} else {
endPoint = QPointF( topRight.x(), at.y() );
}
const QSizeF markerSize = vt.markerSize();
const QRectF ellipseMarker = QRectF( at.x() - markerSize.width() / 2,
at.y() - markerSize.height() / 2,
markerSize.width(), markerSize.height() );
QPointF startMarker[3];
if ( vt.orientations() & Qt::Horizontal ) {
startMarker[0] = startPoint + QPointF( 0, markerSize.height() / 2 );
startMarker[1] = startPoint + QPointF( markerSize.width() / 2, 0 );
startMarker[2] = startPoint - QPointF( 0, markerSize.height() / 2 );
} else {
startMarker[0] = startPoint + QPointF( 0, markerSize.height() / 2 );
startMarker[1] = startPoint + QPointF( markerSize.width() / 2, 0 );
startMarker[2] = startPoint - QPointF( markerSize.width() / 2, 0 );
}
QPointF endMarker[3];
if ( vt.orientations() & Qt::Vertical ) {
endMarker[0] = endPoint + QPointF( markerSize.width() / 2, 0 );
endMarker[1] = endPoint - QPointF( 0, markerSize.height() / 2 );
endMarker[2] = endPoint - QPointF( markerSize.width() / 2, 0 );
} else {
endMarker[0] = endPoint + QPointF( 0, markerSize.width() / 2 );
endMarker[1] = endPoint - QPointF( 0, markerSize.height() / 2 );
endMarker[2] = endPoint - QPointF( markerSize.width() / 2, 0 );
}
QPointF topLeft = startPoint;
QPointF bottomRightOffset = endPoint - topLeft;
QSizeF size( bottomRightOffset.x(), bottomRightOffset.y() );
QRectF area( topLeft, size );
PainterSaver painterSaver( ctx->painter() );
ctx->painter()->setPen( PrintingParameters::scalePen( vt.linePen() ) );
ctx->painter()->setBrush( QBrush() );
ctx->painter()->drawLine( markerPoint, startPoint );
ctx->painter()->drawLine( markerPoint, endPoint );
ctx->painter()->fillRect( area, vt.areaBrush() );
ctx->painter()->setPen( PrintingParameters::scalePen( vt.markerPen() ) );
ctx->painter()->setBrush( vt.markerBrush() );
ctx->painter()->drawEllipse( ellipseMarker );
ctx->painter()->setPen( PrintingParameters::scalePen( vt.arrowBrush().color() ) );
ctx->painter()->setBrush( vt.arrowBrush() );
ctx->painter()->drawPolygon( startMarker, 3 );
ctx->painter()->drawPolygon( endMarker, 3 );
}