content: #!/usr/bin/env python
  import os
  import unittest
  
  import pdfplumber
  from pdfplumber.ctm import CTM
  
  HERE = os.path.abspath(os.path.dirname(__file__))
  
  
  class Test(unittest.TestCase):
      def test_pdffill_demo(self):
          path = os.path.join(HERE, "pdfs/pdffill-demo.pdf")
          pdf = pdfplumber.open(path)
          left_r = pdf.pages[3].chars[97]
          right_r = pdf.pages[3].chars[105]
  
          left_ctm = CTM(*left_r["matrix"])
          right_ctm = CTM(*right_r["matrix"])
  
          assert round(left_ctm.translation_x) == 126
          assert round(right_ctm.translation_x) == 372
  
          assert round(left_ctm.translation_y) == 519
          assert round(right_ctm.translation_y) == 562
  
          assert left_ctm.skew_x == 45
          assert right_ctm.skew_x == -45
  
          assert left_ctm.skew_y == 45
          assert right_ctm.skew_y == -45
  
          assert round(left_ctm.scale_x, 3) == 1
          assert round(right_ctm.scale_x, 3) == 1
  
          assert round(left_ctm.scale_y, 3) == 1
          assert round(right_ctm.scale_y, 3) == 1
  