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Viewing changes to training_exam_processing/checkboxes.py

  • Committer: Xavier ALT
  • Date: 2010-01-20 10:27:43 UTC
  • mfrom: (4877.2.11 extra)
  • Revision ID: x.alt@ajm.lu-20100120102743-08z3f2smcaa5nj2d
[MERGE] merge scanning correction from Julien's work

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training_exam_processing/checkboxes.py
 
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# Checkbox border has 36 black dots (at reportlab's native 72 dpi)
 
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def translate(l, vec):
 
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    return [l[0] + vec[0], l[1] + vec[1], l[2] + vec[0], l[3] + vec[1]]
 
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def enlarge(l, percent):
 
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    size = l[2] - l[0]
 
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    ds = percent * size
 
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    return [l[0] - 2*ds, l[1] - ds, l[2] + 2*ds, l[3] + ds]
 
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def scale(l, c):
 
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    return map(lambda x: c * x, l)
 
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def transform(ll, translate_vector, scale_factor, enlarge_factor):
 
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    for l in ll:
 
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        l[:] = translate(l, translate_vector)
 
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        l[:] = scale(l, scale_factor)
 
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        l[:] = enlarge(l, enlarge_factor)
 
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        l[:] = map(int, map(round, l))
 
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