python利用pyqt5和opencv打开电脑摄像头并进行拍照

python利用pyqt5和opencv打开电脑摄像头并进行拍照

python利用pyqt5和opencv打开电脑摄像头并进行拍照

效果如下：

代码如下：

#!/usr/bin/python# -*- coding: UTF-8 -*-import sysimport cv2from PyQt5 import QtCore, QtGui, QtWidgetsfrom PyQt5.QtWidgets import *from PyQt5.QtCore import *from PyQt5.QtGui import QPalette, QBrush, QPixmapimport osimport timeclass Ui_MainWindow(QtWidgets.QWidget): def __init__(self, parent=None): super(Ui_MainWindow, self).__init__(parent) # self.setBac # self.face_recong = face.Recognition() self.timer_camera = QtCore.QTimer() self.cap = cv2.VideoCapture() self.CAM_NUM = 0 self.set_ui() self.slot_init() self.__flag_work = 0 self.x = 0 self.count = 0 def set_ui(self): font = QtGui.QFont() font.setFamily("kaiti") font.setPointSize(18) self.textBrowser = QtWidgets.QLabel("PCB板原件检测系统") self.textBrowser.setAlignment(Qt.AlignCenter) self.textBrowser.setFont(font) # self.label.setText(_translate("MainWindow", "TextLabel")) self.mm_layout = QVBoxLayout() self.l_down_widget = QtWidgets.QWidget() self.__layout_main = QtWidgets.QHBoxLayout() self.__layout_fun_button = QtWidgets.QVBoxLayout() self.__layout_data_show = QtWidgets.QVBoxLayout() self.button_open_camera = QtWidgets.QPushButton(u'打开相机') self.button_cap = QtWidgets.QPushButton(u'拍照') self.canshu = QtWidgets.QPushButton(u'参数设置') self.det = QtWidgets.QPushButton(u'图片检测') fontx = QtGui.QFont() fontx.setFamily("kaiti") fontx.setPointSize(16) # Button 的颜色修改 button_color = [self.button_open_camera, self.button_cap, self.canshu, self.det] for i in range(4): button_color[i].setFont(fontx) button_color[i].setStyleSheet("QPushButton{color:black}" "QPushButton:hover{color:red}" "QPushButton{background-color:rgb(78,255,255)}" "QPushButton{border:2px}" "QPushButton{border-radius:10px}" "QPushButton{padding:2px 4px}") self.button_open_camera.setMinimumHeight(50) self.button_cap.setMinimumHeight(50) self.canshu.setMinimumHeight(50) self.det.setMinimumHeight(50) # move()方法移动窗口在屏幕上的位置到x = 300，y = 300坐标。 self.move(500, 500) # 信息显示 self.label_show_camera = QtWidgets.QLabel() self.label_move = QtWidgets.QLabel() self.label_move.setFixedSize(100, 100) self.label_show_camera.setFixedSize(641, 481) # self.label_show_camera.setFixedSize(1300, 481) self.label_show_camera.setAutoFillBackground(False) self.__layout_fun_button.addWidget(self.button_open_camera) self.__layout_fun_button.addWidget(self.button_cap) self.__layout_fun_button.addWidget(self.canshu) self.__layout_fun_button.addWidget(self.det) self.__layout_fun_button.addWidget(self.label_move) # 添加一个右侧的组件 self.right_widget = QWidget() self.right_widget_layout = QHBoxLayout() self.cap_label = QLabel() self.cap_label.setFixedSize(641, 481) # self.label_show_camera.setFixedSize(1300, 481) self.cap_label.setAutoFillBackground(False) self.right_widget_layout.addWidget(self.label_show_camera) self.right_widget_layout.addWidget(self.cap_label) self.right_widget.setLayout(self.right_widget_layout) self.__layout_main.addWidget(self.right_widget) self.__layout_main.addLayout(self.__layout_fun_button) # self.__layout_main.addWidget(self.label_show_camera) # self.setLayout(self.__layout_main) self.l_down_widget.setLayout(self.__layout_main) self.mm_layout.addWidget(self.textBrowser) self.mm_layout.addWidget(self.l_down_widget) self.setLayout(self.mm_layout) self.label_move.raise_() self.setWindowTitle(u'PCB板元件检测系统') # self.setStyleSheet("#MainWindow{border-image:url(DD.png)}") ''' # 设置背景图片 palette1 = QPalette() palette1.setBrush(self.backgroundRole(), QBrush(QPixmap('background.jpg'))) self.setPalette(palette1) ''' def slot_init(self): self.button_open_camera.clicked.connect(self.button_open_camera_click) self.timer_camera.timeout.connect(self.show_camera) self.button_cap.clicked.connect(self.capx) def button_open_camera_click(self): if self.timer_camera.isActive() == False: flag = self.cap.open(self.CAM_NUM, cv2.CAP_DSHOW) if flag == False: msg = QtWidgets.QMessageBox.warning(self, u"Warning", u"请检测相机与电脑是否连接正确", buttons=QtWidgets.QMessageBox.Ok, defaultButton=QtWidgets.QMessageBox.Ok) # if msg==QtGui.QMessageBox.Cancel: # pass else: self.timer_camera.start(30) self.button_open_camera.setText(u'关闭相机') else: self.timer_camera.stop() self.cap.release() self.label_show_camera.clear() self.button_open_camera.setText(u'打开相机') def show_camera(self): flag, self.image = self.cap.read() # face = self.face_detect.align(self.image) # if face: # pass show = cv2.resize(self.image, (640, 480)) show = cv2.cvtColor(show, cv2.COLOR_BGR2RGB) # print(show.shape[1], show.shape[0]) # show.shape[1] = 640, show.shape[0] = 480 self.showImage = QtGui.QImage(show.data, show.shape[1], show.shape[0], QtGui.QImage.Format_RGB888) self.label_show_camera.setPixmap(QtGui.QPixmap.fromImage(self.showImage)) # self.x += 1 # self.label_move.move(self.x,100) # if self.x ==320: # self.label_show_camera.raise_() def capx(self): FName = fr"images\cap{time.strftime('%Y%m%d%H%M%S', time.localtime())}" # cv2.imwrite(FName + ".jpg", self.image) print(FName) # self.label_2.setPixmap(QtGui.QPixmap.fromImage(self.image)) self.cap_label.setPixmap(QtGui.QPixmap.fromImage(self.showImage)) self.showImage.save(FName + ".jpg", "JPG", 100) def closeEvent(self, event): ok = QtWidgets.QPushButton() cacel = QtWidgets.QPushButton() msg = QtWidgets.QMessageBox(QtWidgets.QMessageBox.Warning, u"关闭", u"是否关闭！") msg.addButton(ok, QtWidgets.QMessageBox.ActionRole) msg.addButton(cacel, QtWidgets.QMessageBox.RejectRole) ok.setText(u'确定') cacel.setText(u'取消') # msg.setDetailedText('sdfsdff') if msg.exec_() == QtWidgets.QMessageBox.RejectRole: event.ignore() else: # self.socket_client.send_command(self.socket_client.current_user_command) if self.cap.isOpened(): self.cap.release() if self.timer_camera.isActive(): self.timer_camera.stop() event.accept()if __name__ == "__main__": App = QApplication(sys.argv) ex = Ui_MainWindow() # ex.setStyleSheet("#MainWindow{border-image:url(DD.png)}") ex.show() sys.exit(App.exec_())

版权声明：本文内容由网络用户投稿，版权归原作者所有，本站不拥有其著作权，亦不承担相应法律责任。如果您发现本站中有涉嫌抄袭或描述失实的内容，请联系我们jiasou666@gmail.com 处理，核实后本网站将在24小时内删除侵权内容。