ICEpdf
  1. ICEpdf
  2. PDF-1122

Japanese fonts rendered overlapping

          Details

          • Type: Bug Bug
          • Status: Closed
          • Priority: Major Major
          • Resolution: Fixed
          • Affects Version/s: 6.2.1_P01
          • Fix Version/s: 6.2.2
          • Component/s: Core/Rendering
          • Labels:
            None
          • Environment:
            All

            Description

            With the provided PDF file, some of the font characters are rendered overlapping each other.

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              Patrick Corless added a comment -

              This was extremely difficult to find, after verifying quite of bit of content parser code I went a little deeper and found an issue in how we are handling the conversion of hex string to byte values.

              In this case consider [<20>-500<874020>]TJ which is a mixed byte string representation. It's composed of 20, 8740 and 20. When our HexStringObject parser hit the 20 it was appending '00' which was later parsed as two characters. This broke the layout for the page in question.

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              Patrick Corless added a comment - This was extremely difficult to find, after verifying quite of bit of content parser code I went a little deeper and found an issue in how we are handling the conversion of hex string to byte values. In this case consider [<20>-500<874020>] TJ which is a mixed byte string representation. It's composed of 20, 8740 and 20. When our HexStringObject parser hit the 20 it was appending '00' which was later parsed as two characters. This broke the layout for the page in question.
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              Patrick Corless added a comment -

              Marking as fixed.

              Show
              Patrick Corless added a comment - Marking as fixed.

                People

                • Assignee:
                  Patrick Corless
                  Reporter:
                  Arran Mccullough
                • Votes:
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                  Dates

                  • Created:
                    Updated:
                    Resolved: