void Altimeter::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) {
setupPainter(painter);
painter->drawPixmap(0,0, bottomPixmap);
double side = qMin(width(), height());
painter->save();
painter->setBrush(Qt::white);
painter->setPen(Qt::white);
// Pressure text
QFont pressureFont = defaultFont;
pressureFont.setPointSizeF(defaultFont.pointSizeF() * side/300.f);
painter->setFont(pressureFont);
QString pressureText = QString::number(_baroPressure);
painter->drawText(pressureWindow, Qt::AlignRight | Qt::AlignVCenter, pressureText);
painter->restore();
// Draw needles
painter->save();
painter->translate(side/2,side/2);
painter->scale(side/2,side/2);
painter->save();
painter->rotate(value2Angle2(_value));
shortNeedle->paint(painter);
painter->restore();
painter->save();
painter->rotate(value2Angle1(_value));
longNeedle->paint(painter);
painter->restore();
painter->restore();
PanelItem::paint(painter, option, widget);
}
void Altimeter::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) {
static const QPoint needle[3] = {
QPoint(4, 8),
QPoint(-4, 8),
QPoint(0, -95)
};
static const QPoint needle2[3] = {
QPoint(8, 8),
QPoint(-8, 8),
QPoint(0, -70)
};
QColor needleColor(255, 255, 255);
QColor needleColor2(200, 200, 200);
int side = qMin(width(), height());
painter->setRenderHint(QPainter::Antialiasing);
painter->save();
painter->scale(side / 200.0, side / 200.0);
painter->save();
painter->translate(100, 100);
painter->setBrush(Qt::black);
painter->drawChord(-100,-100,200,200,0,360*16);
painter->save();
painter->scale(0.90, 0.90); // Scale to draw within bezel
painter->setPen(Qt::white);
if(!_label.isEmpty()) {
int textwidth = painter->fontMetrics().width(_label);
painter->drawText(-textwidth/2,-70, textwidth, 200, Qt::AlignCenter, _label);
}
int textwidth = painter->fontMetrics().width("Altitude");
painter->drawText(-textwidth/2,-130, textwidth, 200, Qt::AlignCenter, "Altitude");
painter->setBrush(Qt::black);
painter->drawRect(30,-10,60,20);
QString pressureText = QString::number(_baroPressure);
textwidth = painter->fontMetrics().width(pressureText);
painter->drawText(30,-10, 60, 20, Qt::AlignRight | Qt::AlignVCenter, pressureText);
painter->setBrush(Qt::white);
if(_thickBars > 0) {
for (float i = 0 ; i <= _range1; i+=_thickBars) {
painter->save();
painter->rotate(value2Angle1(i));
painter->drawRect(-1, -100, 2, 14);
painter->restore();
}
}
if(_thinBars > 0) {
for (float i = 0 ; i <= _range2; i+=_thinBars) {
painter->save();
painter->rotate(value2Angle1(i));
painter->drawRect(-0.3, -100, 0.6, 8);
painter->restore();
}
}
painter->setPen(QColor(200,200,200));
if(_numbers != 0) {
for (float i = 0 ; i < _range1; i+=_numbers) {
painter->save();
painter->rotate(value2Angle1(i));
painter->save();
QString lineNumber = QString::number(i*_numbersScale);
painter->translate(0,-73);
painter->rotate(-value2Angle1(i));
painter->setPen(QColor(200,200,200));
painter->setFont(QFont(QString("Helvetica"), 16, QFont::Bold, false));
int width = painter->fontMetrics().width(lineNumber);
int height =painter->fontMetrics().height();
painter->drawText(-width/2,-height/2,width,height, Qt::AlignCenter, lineNumber);
painter->restore();
painter->restore();
}
}
painter->setPen(Qt::NoPen);
painter->setBrush(needleColor2);
painter->save();
painter->rotate(value2Angle2(_value));
painter->drawConvexPolygon(needle2, 3);
painter->restore();
painter->setBrush(needleColor);
painter->save();
painter->rotate(value2Angle1(_value));
painter->drawConvexPolygon(needle, 3);
painter->restore();
painter->setBrush(Qt::white);
painter->restore();
painter->drawPixmap(-100,-100,200,200,_bezel);
painter->restore();
painter->restore();
PanelItem::paint(painter, option, widget);
}