pyqt制作電子鐘表

pyqt制作電子鐘表

https://github.com/n0bel/PiClock

自定義表盤背景：

效果圖：

code：

from PyQt5.QtCore import *

from PyQt5.QtGui import *

from PyQt5.QtWidgets import *

class clockForm(QWidget):

def __init__(self, parent=None):

super(clockForm, self).__init__(parent)

self.setWindowTitle("Clock")

self.timer = QTimer()

# 設(shè)置窗口計(jì)時(shí)器

window_pale = QPalette()

window_pale.setBrush(self.backgroundRole(), QBrush(QPixmap("clock.png")))

self.setPalette(window_pale)

self.timer.timeout.connect(self.update)

self.timer.start(1000)

def paintEvent(self, event):

painter = QPainter(self)

painter.setRenderHint(QPainter.Antialiasing)

# 設(shè)置表盤中的文字字體

font = QFont("Times", 6)

fm = QFontMetrics(font)

fontRect = fm.boundingRect("99") # 獲取繪制字體的矩形范圍

# 分針坐標(biāo)點(diǎn)

minPoints = [QPointF(50, 25), QPointF(48, 50), QPointF(52, 50)]

# 時(shí)鐘坐標(biāo)點(diǎn)

hourPoints = [QPointF(50, 35), QPointF(48, 50), QPointF(52, 50)]

side = min(self.width(), self.height())

painter.setViewport((self.width() - side) / 2, (self.height() - side) / 2, side, side) # 始終處于窗口中心位置顯示

# 設(shè)置QPainter的坐標(biāo)系統(tǒng)，無論窗體大小如何變化，

# 窗體左上坐標(biāo)為(0,0),右下坐標(biāo)為(100,100),

# 因此窗體中心坐標(biāo)為(50,50)

painter.setWindow(0, 0, 100, 100)

transform = QTransform()

# transform.reset()

# 獲取當(dāng)前時(shí)間

currentTime = QTime().currentTime()

hour = currentTime.hour() if currentTime.hour() < 12 else currentTime.hour() - 12

minite = currentTime.minute()

second = currentTime.second()

# 獲取所需旋轉(zhuǎn)角度

hour_angle = hour * 30.0 + (minite / 60.0) * 30.0

minite_angle = (minite / 60.0) * 360.0

second_angle = second * 6.0

# 時(shí)針

transform.translate(50, 50)

transform.rotate(hour_angle)

transform.translate(-50, -50)

painter.setWorldTransform(transform)

painter.setPen(Qt.NoPen)

painter.setBrush(QBrush(Qt.darkRed))

painter.drawPolygon(QPolygonF(hourPoints))

transform.reset()

# 分針

transform.translate(50, 50)

transform.rotate(minite_angle)

transform.translate(-50, -50)

painter.setWorldTransform(transform)

painter.setBrush(QBrush(Qt.darkGreen))

painter.drawPolygon(QPolygonF(minPoints))

transform.reset()

# 秒針

transform.translate(50, 50)

transform.rotate(second_angle)

transform.translate(-50, -50)

painter.setWorldTransform(transform)

painter.setPen(QPen(Qt.darkCyan, 1))

painter.drawLine(50, 50, 50, 20)

if __name__ == "__main__":

import sys

app = QApplication(sys.argv)

form = clockForm()

form.show()

app.exec_()

繪制表盤，效果圖：

'''

Created on 2013-7-2

@author: badboy

Email:lucky.haiyu@gmail.com

QQ:43831266

'''

from PyQt5.QtCore import *

from PyQt5.QtGui import *

from PyQt5.QtWidgets import *

class clockForm(QWidget):

def __init__(self,parent=None):

super(clockForm,self).__init__(parent)

self.setWindowTitle("Clock")

self.timer=QTimer()

#設(shè)置窗口計(jì)時(shí)器

self.timer.timeout.connect(self.update)

self.timer.start(1000)

def paintEvent(self,event):

painter=QPainter(self)

painter.setRenderHint(QPainter.Antialiasing)

#設(shè)置表盤中的文字字體

font=QFont("Times",6)

fm=QFontMetrics(font)

fontRect=fm.boundingRect("99")#獲取繪制字體的矩形范圍

#分針坐標(biāo)點(diǎn)

minPoints=[QPointF(50,25),

QPointF(48,50),

QPointF(52,50)]

#時(shí)鐘坐標(biāo)點(diǎn)

hourPoints=[QPointF(50,35),

QPointF(48,50),

QPointF(52,50)]

side=min(self.width(),self.height())

painter.setViewport((self.width()-side)/2,(self.height()-side)/2,

side,side)#始終處于窗口中心位置顯示

#設(shè)置QPainter的坐標(biāo)系統(tǒng)，無論窗體大小如何變化，

#窗體左上坐標(biāo)為(0,0),右下坐標(biāo)為(100,100),

#因此窗體中心坐標(biāo)為(50,50)

painter.setWindow(0,0,100,100)

#繪制表盤，使用環(huán)形漸變色

niceBlue=QColor(150,150,200)

haloGrident=QRadialGradient(50,50,50,50,50)

haloGrident.setColorAt(0.0,Qt.lightGray)

haloGrident.setColorAt(0.5,Qt.darkGray)

haloGrident.setColorAt(0.9,Qt.white)

haloGrident.setColorAt(1.0,niceBlue)

painter.setBrush(haloGrident)

painter.setPen(QPen(Qt.darkGray,1))

painter.drawEllipse(0,0,100,100)

transform=QTransform()

#繪制時(shí)鐘為0的字，以及刻度

painter.setPen(QPen(Qt.black,1.5))

fontRect.moveCenter(QPoint(50,10+fontRect.height()/2))

painter.setFont(font)

painter.drawLine(50,2,50,8)#

painter.drawText(QRectF(fontRect),Qt.AlignHCenter|Qt.AlignTop,"0")

for i in range(1,12):

transform.translate(50, 50)

transform.rotate(30)

transform.translate(-50,-50)

painter.setWorldTransform(transform)

painter.drawLine(50,2,50,8)

painter.drawText(QRectF(fontRect),Qt.AlignHCenter|Qt.AlignTop,"%d" % i)

transform.reset()

#繪制分鐘刻度線

painter.setPen(QPen(Qt.blue,1))

for i in range(1,60):

transform.translate(50,50)

transform.rotate(6)

transform.translate(-50,-50)

if i%5!=0:

painter.setWorldTransform(transform)

painter.drawLine(50,2,50,5)

transform.reset()

#獲取當(dāng)前時(shí)間

currentTime=QTime().currentTime()

hour=currentTime.hour() if currentTime.hour()<12 else currentTime.hour()-12

minite=currentTime.minute()

second=currentTime.second()

#獲取所需旋轉(zhuǎn)角度

hour_angle=hour*30.0+(minite/60.0)*30.0

minite_angle=(minite/60.0)*360.0

second_angle=second*6.0

#時(shí)針

transform.translate(50,50)

transform.rotate(hour_angle)

transform.translate(-50,-50)

painter.setWorldTransform(transform)

painter.setPen(Qt.NoPen)

painter.setBrush(QBrush(Qt.darkRed))

painter.drawPolygon(QPolygonF(hourPoints))

transform.reset()

#分針

transform.translate(50,50)

transform.rotate(minite_angle)

transform.translate(-50,-50)

painter.setWorldTransform(transform)

painter.setBrush(QBrush(Qt.darkGreen))

painter.drawPolygon(QPolygonF(minPoints))

transform.reset()

#秒針

transform.translate(50,50)

transform.rotate(second_angle)

transform.translate(-50,-50)

painter.setWorldTransform(transform)

painter.setPen(QPen(Qt.darkCyan,1))

painter.drawLine(50,50,50,20)

if __name__=="__main__":

import sys

app=QApplication(sys.argv)

form=clockForm()

form.show()

app.exec_()

版權(quán)聲明：本文內(nèi)容由網(wǎng)絡(luò)用戶投稿，版權(quán)歸原作者所有，本站不擁有其著作權(quán)，亦不承擔(dān)相應(yīng)法律責(zé)任。如果您發(fā)現(xiàn)本站中有涉嫌抄襲或描述失實(shí)的內(nèi)容，請聯(lián)系我們jiasou666@gmail.com 處理，核實(shí)后本網(wǎng)站將在24小時(shí)內(nèi)刪除侵權(quán)內(nèi)容。

版權(quán)聲明：本文內(nèi)容由網(wǎng)絡(luò)用戶投稿，版權(quán)歸原作者所有，本站不擁有其著作權(quán)，亦不承擔(dān)相應(yīng)法律責(zé)任。如果您發(fā)現(xiàn)本站中有涉嫌抄襲或描述失實(shí)的內(nèi)容，請聯(lián)系我們jiasou666@gmail.com 處理，核實(shí)后本網(wǎng)站將在24小時(shí)內(nèi)刪除侵權(quán)內(nèi)容。