38 lines
1.2 KiB
Python
38 lines
1.2 KiB
Python
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#!/usr/bin/python
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import sys
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from vipsCC import *
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import Image
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# try this 1,000 times and check for leaks
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for i in range (0,1000):
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vim = VImage.VImage (sys.argv[1])
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# do some processing in vips ... cut out a small piece of image
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vim = vim.extract_area (500, 500, 100, 100)
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# make a PIL image
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# we use Image.frombuffer (), so PIL is using vim's memory
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# you need to be very careful not to destroy vim until you're done with pim
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# ideally you should make a proxy class that wraps this lifetime problem up
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mode = VImage.PIL_mode_from_vips (vim)
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size = (vim.Xsize (), vim.Ysize ())
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data = vim.tobuffer ()
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pim = Image.frombuffer (mode, size, data, 'raw', mode, 0, 1)
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# rotate 12 degrees with PIL
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pim = pim.rotate (12, Image.BILINEAR, 1)
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# back to vips again
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# PIL doesn't have a tobuffer method, so we have to use tostring to copy the
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# data out of PIL and then fromstring to copy back into VIPS
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str = pim.tostring ()
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bands, format, type = VImage.vips_from_PIL_mode (pim.mode)
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width, height = pim.size
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vim2 = VImage.VImage.fromstring (str, width, height, bands, format)
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# finally write from vips
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vim2.write (sys.argv[2])
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