/**
* \return A presentable label for the given value. The number locale
* is used to determine if the decimal point is a dot or a comma.
* \see RSettings::getNumberLocale()
*/
QString RUnit::getLabel(double v, RDocument& document,
bool forceMaxPrecision, bool forceSuppressTrailingZeroes) {
if (fabs(v) < 1e-6) {
v = 0.0;
}
return RUnit::formatLinear(v, document.getUnit(),
document.getLinearFormat(),
forceMaxPrecision ? 8 : document.getLinearPrecision(),
false,
document.showLeadingZeroes(),
forceSuppressTrailingZeroes ? false : document.showTrailingZeroes());
//QLocale locale = RSettings::getNumberLocale();
//return locale.toString(v, 'g', 6);
}
void REventHandler::drawSnapLabel(QPainter* painter, const RVector& pos, const RVector& posRestriction, const QString& text) {
RVector p = graphicsView->mapToView(pos);
RVector pr = RVector::invalid;
if (posRestriction.isValid()) {
pr = graphicsView->mapToView(posRestriction);
}
RColor color = RSettings::getColor("GraphicsViewColors/TextLabelColor", RColor(249,198,31));
painter->setPen(color);
QFont font = RSettings::getSnapLabelFont();
font.setPointSizeF(font.pointSizeF()*graphicsView->getDevicePixelRatio());
QFontMetrics fm(font);
painter->setFont(font);
int offset = 5 * graphicsView->getDevicePixelRatio();
if (!text.isEmpty()) {
painter->drawText(
p.x + offset, p.y + offset,
fm.width(text)+10, fm.height()+10,
Qt::AlignHCenter | Qt::AlignVCenter,
text, NULL);
}
painter->drawEllipse(p.x-offset, p.y-offset, offset*2, offset*2);
// restriction position:
if (pr.isSane()) {
painter->drawLine(pr.x, pr.y-offset, pr.x+offset, pr.y);
painter->drawLine(pr.x+offset, pr.y, pr.x, pr.y+offset);
painter->drawLine(pr.x, pr.y+offset, pr.x-offset, pr.y);
painter->drawLine(pr.x-offset, pr.y, pr.x, pr.y-offset);
}
// display distance/angle:
int display = RSettings::getIntValue("DisplaySettings/DisplayDistanceAngle", 0);
if (display == 0) {
return;
}
RDocumentInterface* di = graphicsView->getDocumentInterface();
RDocument* doc = graphicsView->getDocument();
RVector relativeZero = di->getRelativeZero();
double dist, angle;
if (posRestriction.isSane()) {
dist = relativeZero.getDistanceTo(posRestriction);
angle = relativeZero.getAngleTo(posRestriction);
} else {
dist = relativeZero.getDistanceTo(pos);
angle = relativeZero.getAngleTo(pos);
}
int lp = doc->getLinearPrecision();
QString distStr = RUnit::doubleToString(dist, lp);
angle = RMath::rad2deg(angle);
int ap = doc->getAnglePrecision();
QString angStr = RUnit::doubleToString(angle, ap);
QString sep = RSettings::getStringValue("Input/PolarCoordinateSeparator", "<");
color = RSettings::getColor("GraphicsViewColors/MeasurementToolsColor", RColor(155,220,112));
painter->setPen(color);
QString displayText;
switch (display) {
case 0:
displayText = "";
break;
case 1:
displayText = distStr + sep + angStr + QChar(0x00b0);
break;
case 2:
displayText = distStr;
break;
case 3:
displayText = angStr + QChar(0x00b0);
break;
default:
displayText = "";
}
if (!displayText.isEmpty()) {
painter->drawText(
p.x + offset, p.y - 3*offset - fm.height(),
fm.width(displayText)+10, fm.height()+10,
Qt::AlignHCenter | Qt::AlignVCenter,
displayText, NULL);
}
}
