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PyQt5系列教程(三十五)QGraphicsView显示图片
source link: https://xugaoxiang.com/2022/12/01/pyqt5-35-qgraphicsview/
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软硬件环境
- Windows 10 64bit
- Anaconda3 with python 3.8
- PyQt5 5.15
QGraphicsView 是 PyQt5 里负责显示图片的控件，它需要搭配 QGraphicsScene 和 QtGui.QPixmap 就可以显示图片了，本篇我们就来看看如何实现。
打开 designer.exe，新建一个窗口，然后拖入 QGraphics View
保存成 ui 文件后，使用下面命令进行代码转换
pyuic5.bat -o ui.py project.ui接着看看主程序 main.py
import sys
from PyQt5.QtWidgets import QMainWindow, QApplication, QGraphicsScene
from PyQt5.QtGui import QPixmap
from ui import Ui_MainWindow
class MainWindow(QMainWindow, Ui_MainWindow):
def __init__(self, parent=None):
super(MainWindow, self).__init__(parent)
self.setupUi(self)
scene = QGraphicsScene()
img = QPixmap('Lenna.jpg')
# 图片拉伸到窗口大小
img = img.scaled(self.window().width(), self.window().height())
scene.addPixmap(img)
# 绑定scene
self.graphicsView.setScene(scene)
if __name__ == '__main__':
app = QApplication(sys.argv)
windows = MainWindow()
windows.show()
sys.exit(app.exec_())最后执行结果如下
https://github.com/xugaoxiang/learningPyQt5
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