kindle-kpw3-灰度图屏保

发表于 | 分类于 | 阅读次数 |

kpw3屏保，将图片处理为屏保, 即相应尺寸的灰度图

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
#!/usr/bin/env python
#coding:utf-8
'''

Author       :  ZZP
Mail         :  zhangzhaopeng@mail.nankai.edu.cn
Created Time :  2016-04-25 12:39:28

Description  : 
    get Gray Scale Image using python-cv2
    python this.py 123.png
'''

import cv2
import sys
import glob
import os


def gepic(pic_name):
    img=cv2.imread(pic_name)
    x=img.shape[0];y=img.shape[1]
    for i in range(x):
        for j in range(y):
            (r,g,b)=img[i,j]
            gray=r*0.3+g*0.59+b*0.11
            #gray=(r*76+g*151+b*28)>>8
            #gray=(r+g+b)/3
            #gray=g
            img[i,j]=[gray,gray,gray]
    img2=cv2.resize(img,(1072,1448))
    newname=os.path.join("kpw3",os.path.basename(pic_name)+".png")
    print newname
    cv2.imwrite(newname,img2)
    cv2.destroyAllWindows()
    

if __name__ == '__main__':
    if(not os.path.exists("./pic")):
        os.makedirs("pic")
    if(not os.path.exists("./kpw3")):
        os.makedirs("kpw3")
    for filename in glob.glob("./pic/*"):
        gepic(filename)