import cv2
from PIL.ImageQt import QImage, QPixmap


def cv2_to_qpixmap(cv_img):
    """将OpenCV图像转换为QPixmap"""
    cv_img = cv2.cvtColor(cv_img, cv2.COLOR_BGR2RGB)
    height, width, channel = cv_img.shape
    bytes_per_line = 3 * width
    q_img = QImage(cv_img.data, width, height, bytes_per_line, QImage.Format_RGB888)
    return QPixmap.fromImage(q_img)