99b8066f4
 김태훈
V0.1.1
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#include "circulargauge.h"
#include <QPainter>
#include <QtDebug>
CircularGauge::CircularGauge(QWidget *parent) : QWidget(parent),
value(30), maximum(40), minimum(0)
{
background.load(":/images/images/auto/circle_graphe_01.png");
}
void CircularGauge::setValue(int value)
{
value = qBound(minimum, value, maximum);
if (this->value != value)
{
this->value = value;
update();
}
}
void CircularGauge::setMaximum(int maximum)
{
maximum = qMax(minimum, maximum);
if (this->maximum != maximum)
{
this->maximum = maximum;
update();
}
}
void CircularGauge::setMinimum(int minimum)
{
minimum = qMin(minimum, maximum);
if (this->minimum != minimum)
{
this->minimum = minimum;
update();
}
}
void CircularGauge::paintEvent(QPaintEvent */*event*/)
{
QPainter painter(this);
painter.setRenderHint(QPainter::Antialiasing);
painter.drawImage(0, 0, background);
painter.save();
QRect rect((291-283)/2, (290-282)/2, 283, 282);
qreal degree = (qreal) qMax(value - minimum, 0) / qMax(maximum - minimum, 1) * 345;
QBrush barBrush(bar);
barBrush.setTransform(QTransform().translate(4, 3));
painter.setPen(Qt::NoPen);
painter.setBrush(barBrush);
painter.drawPie(rect, 5760 / 4 - 10 * 16, (int) (degree * 16) + 10 * 16 );
painter.restore();
painter.save();
rect = QRect((291-25)/2 + 2, 2, indicator.size().width() - 2, indicator.size().height() - 2);
rect.translate(-size().width() / 2, -size().height() / 2);
painter.translate(size().width() / 2, size().height() / 2);
painter.rotate(-degree);
painter.drawImage(rect, indicator);
painter.restore();
QPen white(Qt::white);
white.setWidth(3);
painter.setPen(white);
painter.drawLine(54, 167, 238, 167);
rect.setSize(icon.size());
rect.moveCenter(QPoint(291/2, 290/3 + 15));
painter.drawImage(rect, icon);
}
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