115 lines
3.0 KiB
C++
115 lines
3.0 KiB
C++
#include "ControlRoundProBar.h"
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#include <QPainter>
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#include <QPen>
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#include <QTimer>
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#include <QDebug>
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#include <QPropertyAnimation>
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ContorlRoundProBar::ContorlRoundProBar(QWidget* parent)
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:QWidget(parent)
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{
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QTimer* mTimer = new QTimer(this);
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mTimer->setInterval(2000);
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this->connect(mTimer,&QTimer::timeout,this,[=](){
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int Angle = qrand() % 100;
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proportion = (double)Angle / 100.0;
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ChangeValue();
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});
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mTimer->start();
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}
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void ContorlRoundProBar::ChangeValue()
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{
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QPropertyAnimation *pAnimation = new QPropertyAnimation(this, "oldproprortion");
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pAnimation->setDuration(1000);
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pAnimation->setStartValue(oldproprortion);
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pAnimation->setEndValue(proportion);
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pAnimation->start(QAbstractAnimation::DeleteWhenStopped);
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// qDebug() << oldproprortion;
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str = QString::number(proportion * 100) + "%";
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update();
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}
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void ContorlRoundProBar::SetOldproprortion(double d)
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{
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oldproprortion = d;
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repaint();
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}
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double ContorlRoundProBar::GetOldproprortion()
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{
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return oldproprortion;
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}
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ContorlRoundProBar::~ContorlRoundProBar()
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{
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}
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void ContorlRoundProBar::paintEvent(QPaintEvent *event)
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{
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QPainter painter(this);
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painter.setRenderHint(QPainter::Antialiasing);
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DrawOotRound(&painter);
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DrawInRound(&painter);
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DrawOutRound1(&painter);
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DrawText(&painter);
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}
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void ContorlRoundProBar::DrawOotRound(QPainter* painter)
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{
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painter->save();
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QPen pen;
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pen.setWidth(18);
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pen.setColor(QColor(233,248,248));
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painter->setPen(pen);
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painter->setBrush(Qt::NoBrush);
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painter->drawEllipse(QRect(28,28,this->width() - 56,this->height() - 56));
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painter->restore();
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}
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void ContorlRoundProBar::DrawInRound(QPainter* painter)
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{
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painter->save();
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QPen pen;
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pen.setWidth(18);
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pen.setStyle(Qt::SolidLine);
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pen.setCapStyle(Qt::RoundCap);
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pen.setJoinStyle(Qt::RoundJoin);
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pen.setColor(QColor(49, 177, 190));
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painter->setPen(pen);
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QRectF rectangle(28,28,this->width() - 56,this->height() - 56);
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//从90度开始，逆时针旋转
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int startAngle = 90 * 16;
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int spanAngle = oldproprortion * 360 * 16 * -1;
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painter->drawArc(rectangle,startAngle,spanAngle);
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painter->restore();
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}
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void ContorlRoundProBar::DrawOutRound1(QPainter* painter)
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{
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//当bar宽度小于3时，便不再绘制装饰圆点
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painter->setPen(QColor(255,255,255));
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painter->setBrush(QColor(255,255,255));
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//区域为圆点绘制正方形区域
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painter->drawEllipse((28 + (this->width() - 56)) / 2 + 6,28 - 3,6,6);
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}
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void ContorlRoundProBar::DrawText(QPainter* painter)
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{
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painter->save();
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//设置画笔
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painter->setPen(QPen(QColor(220,220,220),12));
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//设置字体
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painter->setFont(QFont("黑体",30));
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//画文字
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QPointF point(this->width() / 2 - 30, this->height() / 2 + 15);
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painter->drawText(point,str);
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painter->restore();
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}
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