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comparison scaleTest.py @ 135:dafb1110bfbe

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scaletest
author dwinter
date Fri, 31 May 2013 12:57:12 +0200
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134:9f45ed6ffeab 135:dafb1110bfbe
1 from PIL import Image;
2 from cStringIO import StringIO;
3 import ImageFilter
4
5 import urllib
6 import logging
7
8
9 url="http://localhost:18080/www/projects/DEPT1_710Schemmel-Space/Gruppe_Schemmel.jpg"
10 ul = urllib.urlopen(url)
11 datStringIO = StringIO(ul.read());
12
13
14 try:
15 pilImg = Image.open(datStringIO)
16
17
18 except:
19 logging.error("scale image input:"+self.getId())
20
21
22 w,h = pilImg.size
23 logging.debug("oldsize: %s %s"%(w,h))
24 targetW=120.
25 targetH=75.
26
27
28 facW=targetW/w
29
30 h1 = int(h*facW)
31
32 if h1<targetH: #bild zu klein in h
33 facH=targetH/h
34
35 w1=int(w*facH)
36
37 fs = min(max(int(1/facH)+1,3),10)
38 #fs = 5
39 logging.debug(fs)
40 print facH
41 if (1/facH) > 2:
42 pilImg = pilImg.filter(ImageFilter.BLUR)
43
44 try:
45 pilImg = pilImg.filter(ImageFilter.MaxFilter(fs))
46 except:
47 pilImg = pilImg.filter(ImageFilter.MaxFilter(fs-1))
48
49 logging.debug("Xnew size: %s %s"%(w1,targetH))
50 res = pilImg.resize((w1,int(targetH)),Image.ANTIALIAS);
51
52
53 else:
54 fs = min(max(int(1/facW)+1,3),10)
55 #fs=5
56 logging.debug(fs)
57
58 print facW
59 if (1/facW) > 2:
60 pilImg = pilImg.filter(ImageFilter.BLUR)
61
62 try:
63 pilImg = pilImg.filter(ImageFilter.MaxFilter(fs))
64 except:
65
66
67 try:
68 pilImg = pilImg.filter(ImageFilter.MaxFilter(fs-1))
69 except:
70 pass
71 logging.debug("ynew size: %s %s"%(targetW,h1))
72 res = pilImg.resize((int(targetW),h1))
73
74 nw,nh = res.size
75
76 cutW1=int(nw/2-(targetW/2))
77 cutW2=int(nw/2+(targetW/2))
78
79 cutH1=int(nh/2-(targetH/2))
80 cutH2=int(nh/2+(targetH/2))
81
82
83
84 res2 = res.crop((cutW1,cutH1,cutW2,cutH2))
85
86 outS = StringIO()
87
88 res2.save("/tmp/test.jpg")
89