您好,登錄后才能下訂單哦!
這篇文章主要介紹了pyqt5如何使用cv2顯示圖片,具有一定借鑒價值,感興趣的朋友可以參考下,希望大家閱讀完這篇文章之后大有收獲,下面讓小編帶著大家一起了解一下。
如下所示:
#! /usr/bin/python3 # coding = utf-8 # from PyQt5 import QtGui,QtCore,Qt import sys from PyQt5.QtCore import Qt,pyqtSignal,QSize,QRect,QMetaObject, QCoreApplication, pyqtSlot,QPropertyAnimation,QThread from PyQt5.QtGui import QIcon, QFont, QPixmap, QPainter, QImage from PyQt5.QtWidgets import QMainWindow, QApplication import cv2 from gevent.libev.corecext import SIGNAL, time from qtpy importQtCore class mycsms(QMainWindow): def __init__(self): super(mycsms, self).__init__() self.setupUi(self) self.image= QImage() self.device= cv2.VideoCapture(0) self.playTimer= Timer("updatePlay()") self.connect(self.playTimer, SIGNAL("updatePlay()"), self.showCamer) # 讀攝像頭 def showCamer(self): if self.device.isOpened(): ret, frame= self.device.read() else: ret = False # 讀寫磁盤方式 # cv2.imwrite("2.png",frame) #self.image.load("2.png") height, width, bytesPerComponent= frame.shape bytesPerLine = bytesPerComponent* width # 變換彩色空間順序 cv2.cvtColor(frame, cv2.COLOR_BGR2RGB,frame) # 轉為QImage對象 self.image= QImage(frame.data, width, height, bytesPerLine, QImage.Format_RGB888) self.view.setPixmap(QPixmap.fromImage(self.image)) if __name__ == "__main__": app = QApplication(sys.argv) myshow = mycsms() myshow.playTimer.start() myshow.show() sys.exit(app.exec_()) # 線程類: class Timer(QtCore.QThread): def __init__(self, signal="updateTime()", parent=None): super(Timer, self).__init__(parent) self.stoped= False self.signal= signal self.mutex= QtCore.QMutex() def run(self): with QtCore.QMutexLocker(self.mutex): self.stoped= False while True: if self.stoped: return self.emit(QtCore.SIGNAL(self.signal)) #40毫秒發送一次信號 time.sleep(0.04) def stop(self): with QtCore.QMutexLocker(self.mutex): self.stoped= True def isStoped(self): with QtCore.QMutexLocker(self.mutex): return self.stoped
感謝你能夠認真閱讀完這篇文章,希望小編分享的“pyqt5如何使用cv2顯示圖片”這篇文章對大家有幫助,同時也希望大家多多支持億速云,關注億速云行業資訊頻道,更多相關知識等著你來學習!
免責聲明:本站發布的內容(圖片、視頻和文字)以原創、轉載和分享為主,文章觀點不代表本網站立場,如果涉及侵權請聯系站長郵箱:is@yisu.com進行舉報,并提供相關證據,一經查實,將立刻刪除涉嫌侵權內容。