#coding=utf-8import cv2import numpy as npimg = cv2.imread("2.png",cv2.IMREAD_COLOR)cv2.line(img,(0,0),(150,150),(255,0,0),15)#画线段，起点，终点，颜色（BGR），线段粗细cv2.rectangle(img,(10,10),(50,50),(0,255,0))#长方形，长方形左上角，右下角cv2.circle(img,(100,100),50,(0,0,255),-1)#圆，圆心，半径，-1代表完全填充pts = np.array([[10,5],[20,30],[70,20],[50,10]],np.int64)#记录四个点的位置cv2.polylines(img,[pts],True,(0,255,255),5)#四个点连起来的一个折现圈font = cv2.FONT_HERSHEY_SIMPLEXcv2.putText(img,'Fuck you',(210,190),font,1,(255,255,255),5,cv2.LINE_AA)#字的位置，字的大小，字的粗细cv2.imshow('image',img)cv2.waitKey (0)cv2.destroyAllWindows()

 

#coding=utf-8import cv2import numpy as npimg = cv2.imread("2.png",cv2.IMREAD_COLOR)img[55,55] = [255,255,255]img[180:240,180:240] = [255,255,255]#直接对图像的某一位置进行修改,修改成白色watch_face = img[50:200,100:300]img[0:150,0:200] = watch_face#直接将图像从原图中扣下来cv2.imshow('image',img)cv2.waitKey (0)cv2.destroyAllWindows()

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