opencv_ load and display images

 1 #!D:/Code/python 
 2 # -*- coding: utf-8 -*- 
 3 # @Time : 2019/8/26 17:55 
 4 # @Author : Johnye 
 5 # @Site :  
 6 # @File : imageIO.py 
 7 # @Software: PyCharm
 8 
 9 
10 
11 """
12 # WINDOW_AUTOSIZE = 1
13 # WINDOW_FREERATIO = 256
14 # WINDOW_FULLSCREEN = 1
15 # WINDOW_GUI_EXPANDED = 0
16 # WINDOW_GUI_NORMAL = 16
17 # WINDOW_KEEPRATIO = 0
18 WINDOW_NORMAL = 0 #
 19  # WINDOW_OPENGL = 
 20  CV_WINDOW_NORMAL or CV_WINDOW_AUTOSIZE: CV_WINDOW_NORMAL allows you to resize a window,
 21  CV_WINDOW_AUTOSIZE automatically resize the window to fit the displayed image (See imshow ()), and you can not manually change the window size.
22 is  CV_WINDOW_FREERATIO image adjustment ratio thereof regardless
 23 is  CV_WINDOW_KEEPRATIO holding image ratio.
24-  CV_GUI_NORMAL or CV_GUI_EXPANDED: CV_GUI_NORMAL is to draw the old method no window status bar and toolbar, and CV_GUI_EXPANDED is a new enhanced GUI.
25  cv.namedWindow ( "INPUT", cv.WINDOW_GUI_EXPANDED)
 26 is  
27  "" " 
28  Import CV2 AS CV
 29 the src = cv.imread ( " D: \ Wallpaper \ desk7702 \ 95728.jpg " )
 30 cv.namedWindow("input", cv.WINDOW_NORMAL)
31 cv.imshow("input", src)
32 cv.waitKey(5000)