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app/gui/samples/analogclock/clock.cpp 2.99 KB
d2d4687e0   김태훈   아날로그 시계 추가
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  #include "clock.h"
  
  #include <QTime>
  #include <QPainter>
  #include <QtDebug>
  #include <QDateTime>
  #include <QTimeZone>
  #include <QTimer>
  
  Clock::Clock(QWidget *parent) : QWidget(parent)
  {
      QTimer *timer = new QTimer(this);
      connect(timer, SIGNAL(timeout()), this, SLOT(update()));
      timer->start(33);
  }
  
  void Clock::paintEvent(QPaintEvent */*event*/)
  {
      QTime time = QDateTime::currentDateTime().time();
  
      QPainter painter(this);
      painter.setRenderHint(QPainter::Antialiasing);
      painter.translate(width() / 2, height() / 2);
  
      int side = qMin(width(), height());
      painter.scale(side / 200.0, side / 200.0);
  
      QPen hourHand(Qt::white, 6, Qt::SolidLine, Qt::RoundCap);
      QPen hourArm(Qt::white, 2);
      QPen hourLine(Qt::white, 3);
  
      QPen minHand(hourHand);
      QPen minArm(hourArm);
      QPen minLine(Qt::white, 1);
  
      QPen secHand(Qt::red, 2);
  
      QPen capPen(Qt::white, 3);
      QBrush capBrush(Qt::black, Qt::SolidPattern);
  
      QFont numberFont;
      numberFont.setPixelSize(20);
  
      QFontMetrics numberFontMetrics(numberFont);
  
      QPen numberPen(Qt::white);
      numberPen.setWidth(2);
  
      // Lines
      painter.setPen(minLine);
      for (int j = 0; j < 60; ++j) {
          if ((j % 5) != 0)
              painter.drawLine(92, 0, 96, 0);
          painter.rotate(6.0);
      }
  
      painter.setPen(hourLine);
      for (int i = 0; i < 12; ++i) {
  //        painter.drawLine(88, 0, 96, 0);
          painter.drawLine(92, 0, 96, 0);
          painter.rotate(30.0);
      }
  
      // Numbers
      painter.setPen(numberPen);
      painter.setFont(numberFont);
  
      QTransform transform;
      QPoint targetPoint(0, -75);
      QPoint transformedTarget(targetPoint);
  
      QString strings[] = { "12", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11" };
      for (int i = 0; i < 12; i++) {
          QString string = strings[i];
          QRect boundingRect = numberFontMetrics.boundingRect(string);
          boundingRect.moveCenter(transformedTarget);
          painter.drawText(boundingRect, Qt::AlignCenter, string);
  
          transform.rotate(30.0);
          transformedTarget = transform.map(targetPoint);
      }
  
      // Needles
      qreal second = time.second() + time.msec() / 1000.0;
      if (/* ticking == */ false)
          second = time.second();
  
      qreal minute = time.minute() + second / 60.0;
      qreal hour = time.hour() + minute / 60.0;
  
      // Sec
      painter.save();
      painter.setPen(secHand);
      painter.rotate(6.0 * second);
      painter.drawLine(0, 15, 0, -80);
      painter.restore();
  
      // Min
      painter.save();
      painter.rotate(6.0 * minute);
      painter.setPen(minArm);
      painter.drawLine(0, 0, 0, -15);
      painter.setPen(minHand);
      painter.drawLine(0, -15, 0, -75);
      painter.restore();
  
      // Hour
      painter.save();
      painter.rotate(30.0 * hour);
      painter.setPen(hourArm);
      painter.drawLine(0, 0, 0, -15);
      painter.setPen(hourHand);
      painter.drawLine(0, -15, 0, -50);
      painter.restore();
  
      // Cap
      painter.setPen(capPen);
      painter.setBrush(capBrush);
      painter.drawEllipse(-5, -5, 10, 10);
  }