/*! \internal
\overload
Returns the input as pixel coordinates in a QPointF.
*/
const QPointF QCPAbstractPlottable::coordsToPixels(double key, double value) const
{
QCPAxis *keyAxis = mKeyAxis.data();
QCPAxis *valueAxis = mValueAxis.data();
if (!keyAxis || !valueAxis) { qDebug() << Q_FUNC_INFO << "invalid key or value axis"; return QPointF(); }
if (keyAxis->orientation() == Qt::Horizontal)
return QPointF(keyAxis->coordToPixel(key), valueAxis->coordToPixel(value));
else
return QPointF(valueAxis->coordToPixel(value), keyAxis->coordToPixel(key));
}
/*! \internal
Convenience function for transforming a key/value pair to pixels on the QCustomPlot surface,
taking the orientations of the axes associated with this plottable into account (e.g. whether key
represents x or y).
\a key and \a value are transformed to the coodinates in pixels and are written to \a x and \a y.
\see pixelsToCoords, QCPAxis::coordToPixel
*/
void QCPAbstractPlottable::coordsToPixels(double key, double value, double &x, double &y) const
{
QCPAxis *keyAxis = mKeyAxis.data();
QCPAxis *valueAxis = mValueAxis.data();
if (!keyAxis || !valueAxis) { qDebug() << Q_FUNC_INFO << "invalid key or value axis"; return; }
if (keyAxis->orientation() == Qt::Horizontal)
{
x = keyAxis->coordToPixel(key);
y = valueAxis->coordToPixel(value);
} else
{
y = keyAxis->coordToPixel(key);
x = valueAxis->coordToPixel(value);
}
}
void graphWidget::setBezPoints()
{
if(!selFunc || selFunc->degree != freeform) {
if(bezPoints.size()) {
for(int i = 0; i < bezPoints.size(); ++i) {
delete bezPoints[i];
}
bezPoints.clear();
}
return;
}
if(selFunc && selFunc->degree == freeform) {
QCPAxis* yAxis;
switch(selFunc->parent->type) {
case funcRoll:
yAxis = yAxes[0];
break;
case funcNormal:
case funcLateral:
yAxis = yAxes[1];
break;
case funcPitch:
yAxis = yAxes[2];
break;
case funcYaw:
yAxis = yAxes[3];
break;
}
float until;
if(selFunc->parent->secParent->bArgument == TIME) {
until = selTrack->trackData->getNumPoints(selFunc->parent->secParent)/F_HZ;
} else {
until = selFunc->parent->secParent->lNodes.first().fTotalHeartLength;
}
int x1 = ui->plotter->xAxis->coordToPixel(selFunc->minArgument+until);
int x2 = ui->plotter->xAxis->coordToPixel(selFunc->maxArgument+until);
int y1 = yAxis->coordToPixel(selFunc->startValue);
int y2 = yAxis->coordToPixel(selFunc->startValue+selFunc->symArg);
if(selFunc->pointList.size() != bezPoints.size()) {
for(int i = 0; i < bezPoints.size(); ++i) {
delete bezPoints[i];
}
bezPoints.clear();
for(int i = 0; i < selFunc->pointList.size(); ++i) {
bezPoints.append(new dragLabel(ui->plotter));
bezPoints[i]->setText("x");
bezPoints[i]->setGeometry(QRect(0, 0, 12, 12));
bezPoints[i]->setAlignment(Qt::AlignCenter);
bezPoints[i]->show();
}
}
for(int i = 0; i < selFunc->pointList.size(); ++i) {
if(bezPoints[i]->isDragged) {
selFunc->pointList[i].x = (ui->plotter->xAxis->pixelToCoord(bezPoints[i]->pos().x()+6)-selFunc->minArgument-until)/(selFunc->maxArgument-selFunc->minArgument);
selFunc->pointList[i].y = (yAxis->pixelToCoord(bezPoints[i]->pos().y()+6)-selFunc->startValue)/(selFunc->symArg);
selFunc->updateBez();
selTrack->trackData->updateTrack(selTrack->trackData->activeSection, (int)(selFunc->minArgument*F_HZ-1.5f));
} else {
int x = x1*(1-selFunc->pointList[i].x) + x2*selFunc->pointList[i].x-6;
int y = y1*(1-selFunc->pointList[i].y) + y2*selFunc->pointList[i].y-6;
bezPoints[i]->move(x, y);
}
}
redrawGraphs();
}
return;
}
