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
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
#!/usr/bin/env python
##########################################################################
#
# Copyright 2012 Jose Fonseca
# All Rights Reserved.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
##########################################################################/
'''Simple script to extract PNG files from the JSON state dumps.'''
import json
import optparse
import base64
import sys
pngSignature = "\x89\x50\x4E\x47\x0D\x0A\x1A\x0A"
def dumpSurfaces(state, memberName):
for name, imageObj in state[memberName].iteritems():
data = imageObj['__data__']
data = base64.b64decode(data)
if data.startswith(pngSignature):
extName = 'png'
else:
magic = data[:2]
if magic in ('P1', 'P4'):
extName = 'pbm'
elif magic in ('P2', 'P5'):
extName = 'pgm'
elif magic in ('P3', 'P6'):
extName = 'ppm'
elif magic in ('Pf', 'PF'):
extName = 'pfm'
else:
sys.stderr.write('warning: unsupport Netpbm format %s\n' % magic)
continue
imageName = '%s.%s' % (name, extName)
open(imageName, 'wb').write(data)
sys.stderr.write('Wrote %s\n' % imageName)
def main():
optparser = optparse.OptionParser(
usage="\n\t%prog [options] <json>")
(options, args) = optparser.parse_args(sys.argv[1:])
for arg in args:
state = json.load(open(arg, 'rt'), strict=False)
dumpSurfaces(state, 'textures')
dumpSurfaces(state, 'framebuffer')
if __name__ == '__main__':
main()
|
