Python opencv 设置滑动窗口调节步长获得图像ROI并动态显示

def moveWindow(image, winWidth, winHeight):
    height, width = image.shape[:2]
    i_heiht = False

    for i in range(0, height, 50):
        if i + winHeight > height:
            i_heiht = True
        for j in range(0, width, 10):
            showRecImage = image.copy()
            if i + winHeight > height and j + winWidth > width:
                moveRoi = image[i:height, j: width]
                cv2.rectangle(showRecImage,(j, i),  (width,height), (0, 0, 255), 1)
                print("111")
                break
            elif j + winWidth > width:
                moveRoi = image[i:winHeight + i, j: width]
                cv2.rectangle(showRecImage, (j, i), ( width, winHeight + i), (0, 0, 255), 1)
                print("222")
                break
            elif i + winHeight > height:
                moveRoi = image[i: height , j: winWidth + j]
                cv2.rectangle(showRecImage, (j, i), (winWidth + j, height), (0, 0, 255), 1)
                print("333")

            else:
                moveRoi = image[i: winHeight+i, j: winWidth+j]
                cv2.rectangle(showRecImage, (j, i), (winHeight+j, winWidth+i), (0, 0, 255), 1)
                print("444")
                print("i", i)

            cv2.imshow("image", showRecImage)
            cv2.waitKey(10)

        if i_heiht:
            break



if __name__ == "__main__":

    image = cv2.imread("src.jpg")
    # cv2.imshow("image", image)
    # cv2.waitKey()
    if image is None:
        print("No images")
    else:
        moveWindow(image, 800, 800)