ICEpdf
  1. ICEpdf
  2. PDF-339

Incorrect handling of cm token in text block

          Details

          • Type: Bug Bug
          • Status: Closed
          • Priority: Major Major
          • Resolution: Fixed
          • Affects Version/s: 4.2.2
          • Fix Version/s: 4.3
          • Component/s: Core/Parsing
          • Labels:
            None
          • Environment:
            any

            Description

            The forums user updated a sample file with inverted text. After a little debugging it turns out that we where not correctly handling a cm token when in a text block. This is a very rare issue, most PDF writers will use a Tm token to do the text transforms and or the affinetransform in question is the identity matrix.

            However in this case the matrix define (ie. -1 0 0 -1 641.76 1036.35 cm) define the vertical and horizontal flip needed to draw the PDF text correctly.

             

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                People

                • Assignee:
                  Patrick Corless
                  Reporter:
                  Patrick Corless
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                  Dates

                  • Created:
                    Updated:
                    Resolved: