camera.py 文件源码

def processCapturedImage(self, requestId, img):
        scaledImage = img.scaled(self.ui.viewfinder.size(), Qt.KeepAspectRatio,
                Qt.SmoothTransformation)

        self.ui.lastImagePreviewLabel.setPixmap(QPixmap.fromImage(scaledImage))

        self.displayCapturedImage()
        QTimer.singleShot(4000, self.displayViewfinder)