45 lines
873 B
Python
Executable File
45 lines
873 B
Python
Executable File
#!/usr/bin/python
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import sys
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# just need this for leaktesting
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import gc
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from vipsCC import *
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if len (sys.argv) != 3:
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print 'usage:', sys.argv[0], 'inputimage outputimage'
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print '\tcalculate photographic negative of inputimage'
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sys.exit (1)
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try:
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a = VImage.VImage (sys.argv[1])
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b = a.invert ()
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c = b.lin ([1,2,3],[4,5,6])
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m = VMask.VIMask (3, 3, 1, 0,
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[-1, -1, -1,
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-1, 8, -1,
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-1, -1, -1])
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d = a.conv (m)
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d.write (sys.argv[2])
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except VError.VError, e:
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e.perror (sys.argv[0])
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# we can get properties of VImage too
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print 'inputimage is', a.Xsize (), 'pixels across'
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print 'starting shutdown ...'
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del b
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del a
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del c
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del d
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del m
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# sometimes have to do several GCs to get them all, not sure why
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for i in range(10):
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gc.collect ()
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print 'shutdown!'
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print 'leaked IMAGEs:'
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VImage.im__print_all ()
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print 'done ... hopefully you saw no leaks'
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