把圖片的路徑改成你自己的

import sys from PyQt5.QtWidgets import QMainWindow,QApplication,QWidget,QHBoxLayout,QLabel from PyQt5.QtGui import QIcon,QPixmap,QImage from PyQt5 import QtCore from PIL import Imageclass FirstMainWin(QWidget):def __init__(self):super(QWidget,self).__init__()self.initUI()# 設置窗口的尺寸self.setWindowTitle('顯示圖像')# self.status = self.statusBar()## self.status.showMessage('只存在5秒的消息',5000)def initUI(self):self.resize(800, 300)self.move(300, 200)self.lbl = QLabel(self)self.pil_image=QImage('D:\pycode20100406\pycode\data\login\任達華.jpg')self.fcku(self.pil_image)#self.show()self.timer = QtCore.QTimer(self) # 定義定時器，用于控制顯示視頻的幀率self.timer.timeout.connect(lambda:self.fcku(self.pil_image))self.timer.start(10)def fcku(self,fckimage):# hbox = QHBoxLayout(self)#print(fckimage.size())pil_image = self.m_resize(self.width(), self.height(), fckimage)# fckimage=cv2.cvtColor(fckimage,cv2.COLOR_RGB2BGR)#fckimage = QImage(fckimage.width, fckimage.height, QImage.Format_RGB888)# print(fckimage.width)pixmap = QPixmap.fromImage(pil_image)# print(pixmap.height())# pixmap = self.m_resize(self.width(), self.height(), pixmap)self.lbl.resize(pil_image.width(),pil_image.height())self.lbl.setPixmap(pixmap)#print(pixmap.size())# hbox.addWidget(lbl)# self.setLayout(hbox)def m_resize(self,w_box, h_box, pil_image): # 參數是：要適應的窗口寬、高、Image.open后的圖片w, h = pil_image.width(), pil_image.height() # 獲取圖像的原始大小f1 = 1.0*w_box/wf2 = 1.0 * h_box / hfactor = min([f1, f2])width = int(w * factor)height = int(h * factor)#return pil_image.resize(width, height)return pil_image.scaled(width, height)if __name__ == '__main__':app = QApplication(sys.argv)app.setWindowIcon(QIcon('C:/Users/TECH013/Desktop/Pic/公司左上角logo.jpg'))main = FirstMainWin()main.show()sys.exit(app.exec_())

總結

以上是生活随笔為你收集整理的pyqt5 图片随窗口变化等比例缩放的全部內容，希望文章能夠幫你解決所遇到的問題。

如果覺得生活随笔網站內容還不錯，歡迎將生活随笔推薦給好友。