void QgsComposerArrow::setSceneRect( const QRectF& rectangle )
{
//update rect for data defined size and position
QRectF evaluatedRect = evalItemRect( rectangle );
if ( evaluatedRect.width() < 0 )
{
mStartXIdx = 1 - mStartXIdx;
}
if ( evaluatedRect.height() < 0 )
{
mStartYIdx = 1 - mStartYIdx;
}
double margin = computeMarkerMargin();
// Ensure the rectangle is at least as large as needed to include the markers
QRectF rect = rectangle.united( QRectF( evaluatedRect.x(), evaluatedRect.y(), 2. * margin, 2. * margin ) );
// Compute new start and stop positions
double x[2] = {rect.x(), rect.x() + rect.width()};
double y[2] = {rect.y(), rect.y() + rect.height()};
double xsign = x[mStartXIdx] < x[1 - mStartXIdx] ? 1.0 : -1.0;
double ysign = y[mStartYIdx] < y[1 - mStartYIdx] ? 1.0 : -1.0;
mStartPoint = QPointF( x[mStartXIdx] + xsign * margin, y[mStartYIdx] + ysign * margin );
mStopPoint = QPointF( x[1 - mStartXIdx] - xsign * margin, y[1 - mStartYIdx] - ysign * margin );
QgsComposerItem::setSceneRect( rect );
}
void QgsComposerArrow::adaptItemSceneRect()
{
//rectangle containing start and end point
QRectF rect = QRectF( qMin( mStartPoint.x(), mStopPoint.x() ), qMin( mStartPoint.y(), mStopPoint.y() ),
qAbs( mStopPoint.x() - mStartPoint.x() ), qAbs( mStopPoint.y() - mStartPoint.y() ) );
double enlarge = computeMarkerMargin();
rect.adjust( -enlarge, -enlarge, enlarge, enlarge );
QgsComposerItem::setSceneRect( rect );
}
void QgsLayoutItemPolyline::updateBoundingRect()
{
QRectF br = rect();
double margin = std::max( mMaxSymbolBleed, computeMarkerMargin() );
if ( mEndMarker == ArrowHead )
{
margin += 0.5 * mArrowHeadWidth;
}
br.adjust( -margin, -margin, margin, margin );
mCurrentRectangle = br;
// update
prepareGeometryChange();
update();
}
