clock.cpp
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#include "clock.h"
#include <QPainter>
#include <QDateTime>
#include <QTime>
#include <QTimer>
#include <QtDebug>
Clock::Clock(QWidget *parent) : QWidget(parent)
{
ticking = true;
background.load(":/images/clock/numbers.png");
QTimer *timer = new QTimer(this);
connect(timer, SIGNAL(timeout()), this, SLOT(checkUpdate()));
timer->start(33);
}
void Clock::checkUpdate()
{
if (ticking)
{
QTime cur = QDateTime::currentDateTime().time();
if (cur.second() != last.second())
{
last = cur;
update();
}
}
else
update();
}
void Clock::paintEvent(QPaintEvent */*event*/)
{
QTime time = QDateTime::currentDateTime().time();
QPainter painter(this);
painter.setRenderHint(QPainter::Antialiasing);
painter.drawImage(0, 0, background);
painter.translate(width() / 2, height() / 2);
int side = qMin(width(), height());
painter.scale(side / 356.0, side / 355.0);
QPen hourHand(Qt::white, 11, Qt::SolidLine, Qt::RoundCap);
QPen hourArm(Qt::white, 4);
QPen hourLine(Qt::white, 5);
QPen minHand(hourHand);
QPen minArm(hourArm);
QPen minLine(Qt::white, 2);
QPen secHand(Qt::red, 3);
QPen capPen(Qt::white, 4);
QBrush capBrush(Qt::black, Qt::SolidPattern);
QFont numberFont("Roboto");
numberFont.setPixelSize(50);
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.drawLine(165, 0, 178, 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.drawLine(165, 0, 178, 0);
painter.rotate(30.0);
}
// Numbers
painter.setPen(numberPen);
painter.setFont(numberFont);
QTransform transform;
// QPoint targetPoint(0, -75);
QPoint targetPoint(0, -138);
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)
second = time.second();
qreal minute = time.minute() + second / 60.0;
qreal hour = time.hour() + minute / 60.0;
// Sec
painter.save();
painter.rotate(6.0 * second);
painter.setPen(secHand);
painter.drawLine(0, 28, 0, -155);
// painter.drawImage(-28, -8, secondImg);
painter.restore();
// Min
painter.save();
painter.rotate(6.0 * minute);
painter.setPen(minArm);
painter.drawLine(0, 0, 0, -30);
painter.setPen(minHand);
painter.drawLine(0, -27, 0, -125);
// painter.drawImage(-8, -9, minuteImg);
painter.restore();
// Hour
painter.save();
painter.rotate(30.0 * hour);
painter.setPen(hourArm);
painter.drawLine(0, 0, 0, -30);
painter.setPen(hourHand);
painter.drawLine(0, -27, 0, -80);
painter.restore();
// Cap
painter.setPen(capPen);
painter.setBrush(capBrush);
painter.drawEllipse(-8, -8, 16, 16);
}