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.

              Activity

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              Arran Mccullough created issue -
              Patrick Corless made changes -
              Field Original Value New Value
              Fix Version/s 6.2.2 [ 13097 ]
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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.

              Show
              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.
              Patrick Corless made changes -
              Status Open [ 1 ] Resolved [ 5 ]
              Resolution Fixed [ 1 ]
              Repository Revision Date User Message
              ICEsoft Public SVN Repository #50542 Wed Feb 15 14:50:03 MST 2017 patrick.corless PDF-1122 fixed hex parsing issue with mixed bytes.
              Files Changed
              Commit graph MODIFY /icepdf/branches/icepdf-6.2.0/icepdf/core/src/org/icepdf/core/pobjects/HexStringObject.java
              Commit graph MODIFY /icepdf/branches/icepdf-6.2.0/icepdf/core/src/org/icepdf/core/util/content/AbstractContentParser.java
              Repository Revision Date User Message
              ICEsoft Public SVN Repository #50550 Thu Feb 16 12:06:50 MST 2017 patrick.corless PDF-1122 change how we lengthen hex string as to not accidently chang the number value.
              Files Changed
              Commit graph MODIFY /icepdf/branches/icepdf-6.2.0/icepdf/core/src/org/icepdf/core/pobjects/HexStringObject.java
              Patrick Corless made changes -
              Status Resolved [ 5 ] Closed [ 6 ]

                People

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

                  • Created:
                    Updated:
                    Resolved: