#coding=utf-8 import cv2 import numpy as np img = 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_SIMPLEX cv2.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-8 import cv2 import numpy as np img = 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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