void GraphicsLinesForCurve::updateFinish (const LineStyle &lineStyle)
{
LOG4CPP_INFO_S ((*mainCat)) << "GraphicsLinesForCurve::updateFinish";
// Apply line style
QPen pen = QPen (QBrush (ColorPaletteToQColor (lineStyle.paletteColor())),
lineStyle.width());
setPen (pen);
updateGraphicsLinesToMatchGraphicsPoints (lineStyle);
}
void GraphicsLinesForCurve::lineMembershipPurge (const LineStyle &lineStyle)
{
LOG4CPP_INFO_S ((*mainCat)) << "GraphicsLinesForCurve::lineMembershipPurge"
<< " curve=" << m_curveName.toLatin1().data();
OrdinalToGraphicsPoint::iterator itr, itrNext;
for (itr = m_graphicsPoints.begin(); itr != m_graphicsPoints.end(); itr = itrNext) {
itrNext = itr;
++itrNext;
GraphicsPoint *point = *itr;
if (!point->wanted ()) {
double ordinal = itr.key ();
delete point;
m_graphicsPoints.remove (ordinal);
}
}
// Apply line style
QPen pen;
if (lineStyle.paletteColor() == COLOR_PALETTE_TRANSPARENT) {
pen = QPen (Qt::NoPen);
} else {
pen = QPen (QBrush (ColorPaletteToQColor (lineStyle.paletteColor())),
lineStyle.width());
}
setPen (pen);
updateGraphicsLinesToMatchGraphicsPoints (lineStyle);
}
void DlgSettingsCurveProperties::drawLine (bool isRelation,
const LineStyle &lineStyle)
{
const double Z_LINE = -1.0; // Looks nicer if line goes under the points, so points are unobscured
// Line between points. Start with function connection
QPainterPath path;
QPointF p0 (POS_LEFT), p1 (POS_CENTER), p2 (POS_RIGHT);
if (isRelation) {
// Relation connection
p1 = POS_RIGHT;
p2 = POS_CENTER;
}
// Draw straight or smooth
if (lineStyle.curveConnectAs() == CONNECT_AS_FUNCTION_SMOOTH ||
lineStyle.curveConnectAs() == CONNECT_AS_RELATION_SMOOTH) {
vector<double> t;
vector<SplinePair> xy;
t.push_back(0);
t.push_back(1);
t.push_back(2);
xy.push_back (SplinePair (p0.x(), p0.y()));
xy.push_back (SplinePair (p1.x(), p1.y()));
xy.push_back (SplinePair (p2.x(), p2.y()));
Spline spline (t, xy);
path.moveTo (p0);
path.cubicTo (QPointF (spline.p1(0).x(),
spline.p1(0).y()),
QPointF (spline.p2(0).x(),
spline.p2(0).y()),
p1);
path.cubicTo (QPointF (spline.p1(1).x(),
spline.p1(1).y()),
QPointF (spline.p2(1).x(),
spline.p2(1).y()),
p2);
} else {
path.moveTo (p0);
path.lineTo (p1);
path.lineTo (p2);
}
QGraphicsPathItem *line = new QGraphicsPathItem (path);
line->setPen (QPen (QBrush (ColorPaletteToQColor (lineStyle.paletteColor())),
lineStyle.width()));
line->setZValue (Z_LINE);
m_scenePreview->addItem (line);
}
LineStyle::LineStyle (const LineStyle &other) :
m_width (other.width ()),
m_paletteColor (other.paletteColor()),
m_curveConnectAs (other.curveConnectAs())
{
}