void GraphicsLinesForCurve::updateAfterCommand (GraphicsScene &scene,
const PointStyle &pointStyle,
const Point &point)
{
LOG4CPP_DEBUG_S ((*mainCat)) << "GraphicsLinesForCurve::updateAfterCommand"
<< " curve=" << m_curveName.toLatin1().data()
<< " pointCount=" << m_graphicsPoints.count();
GraphicsPoint *graphicsPoint = 0;
if (m_graphicsPoints.contains (point.ordinal())) {
graphicsPoint = m_graphicsPoints [point.ordinal()];
// Due to ordinal renumbering, the coordinates may belong to some other point so we override
// them for consistent ordinal-position mapping. Updating the identifier also was added for
// better logging (i.e. consistency between Document and GraphicsScene dumps), but happened
// to fix a bug with the wrong set of points getting deleted from Cut and Delete
graphicsPoint->setPos (point.posScreen());
graphicsPoint->setData (DATA_KEY_IDENTIFIER, point.identifier());
} else {
// Point does not exist in scene so create it
graphicsPoint = scene.createPoint (point.identifier (),
pointStyle,
point.posScreen());
m_graphicsPoints [point.ordinal ()] = graphicsPoint;
}
// Mark point as wanted
ENGAUGE_CHECK_PTR (graphicsPoint);
graphicsPoint->setWanted ();
}
GraphicsPoint *GraphicsScene::createPoint (const QString &identifier,
const PointStyle &pointStyle,
const QPointF &posScreen)
{
LOG4CPP_INFO_S ((*mainCat)) << "GraphicsScene::createPoint"
<< " identifier=" << identifier.toLatin1().data();
// Ordinal value is initially computed as one plus the max ordinal seen so far. This initial ordinal value will be overridden if the
// cordinates determine the ordinal values.
//
// This is an N-squared algorithm and may be worth replacing later
GraphicsPointFactory pointFactory;
GraphicsPoint *point = pointFactory.createPoint (*this,
identifier,
posScreen,
pointStyle);
point->setToolTip (identifier);
point->setData (DATA_KEY_GRAPHICS_ITEM_TYPE, GRAPHICS_ITEM_TYPE_POINT);
return point;
}