ICEpdf
  1. ICEpdf
  2. PDF-1141

Images in PDF are displayed with the wrong colours

          Details

          • Type: Bug Bug
          • Status: Closed
          • Priority: Major Major
          • Resolution: Fixed
          • Affects Version/s: 6.2.2, 6.2.3
          • Fix Version/s: 6.2.4
          • Component/s: Colour, Core/Rendering
          • Labels:
            None
          • Environment:
            All

            Description

            Some of the embedded images in the PDF file are rendered with the wrong colours and/or background colours. They are rendered in shades of green instead of blue.

              Issue Links

              is duplicated by

              Bug - A problem which impairs or prevents the functions of the product. PDF-1130 Error detecting JPEG colour space.

              • Major - Major loss of function.
              • Closed

                Activity

                Ascending order - Click to sort in descending order
                Arran Mccullough created issue -
                Repository Revision Date User Message
                ICEsoft Public SVN Repository #51382 Mon Mar 27 10:56:00 MDT 2017 patrick.corless PDF-1141 added some more logic jpeg colour modde detection.
                Files Changed
                Commit graph MODIFY /icepdf/trunk/icepdf/core/core-awt/src/main/java/org/icepdf/core/pobjects/ImageUtility.java
                Commit graph MODIFY /icepdf/trunk/icepdf/core/core-awt/src/main/java/org/icepdf/core/pobjects/ImageStream.java
                Repository Revision Date User Message
                ICEsoft Public SVN Repository #51383 Mon Mar 27 11:15:58 MDT 2017 patrick.corless PDF-1141 added some more logic jpeg colour mode detection.
                Files Changed
                Commit graph MODIFY /icepdf/branches/icepdf-6.2.0/icepdf/core/src/org/icepdf/core/pobjects/ImageUtility.java
                Repository Revision Date User Message
                ICEsoft Public SVN Repository #51384 Mon Mar 27 11:16:32 MDT 2017 patrick.corless PDF-1141 added some more logic jpeg colour mode detection.
                Files Changed
                Commit graph MODIFY /icepdf/branches/icepdf-6.2.0/icepdf/core/src/org/icepdf/core/pobjects/ImageStream.java
                Patrick Corless made changes -
                Field Original Value New Value
                Fix Version/s 6.2.4 [ 13099 ]
                Patrick Corless made changes -
                Link This issue is duplicated by PDF-1130 [ PDF-1130 ]
                Hide
                Permalink
                Patrick Corless added a comment -

                I finally had a chance to take a much closer look into this issue. The ImageUtility class is used to sniff out the JPEG header data and try to make some educated guesses about what colour model is used. The current implementation is pretty solid but was missing some obvious cases for detecting colour models for given SOS values of 3 and 4. Take these values into account seems to address a few corner case issues where we incorrectly detected YCbCr colour space.

                Show
                Patrick Corless added a comment - I finally had a chance to take a much closer look into this issue. The ImageUtility class is used to sniff out the JPEG header data and try to make some educated guesses about what colour model is used. The current implementation is pretty solid but was missing some obvious cases for detecting colour models for given SOS values of 3 and 4. Take these values into account seems to address a few corner case issues where we incorrectly detected YCbCr colour space.
                Hide
                Permalink
                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 #51420 Wed Apr 12 07:27:03 MDT 2017 patrick.corless PDF-1141 added some more logic jpeg colour mode detection.
                Files Changed
                Commit graph MODIFY /icepdf/branches/icepdf-6.2.0/icepdf/core/src/org/icepdf/core/pobjects/ImageStream.java
                Patrick Corless made changes -
                Status Resolved [ 5 ] Closed [ 6 ]

                  People

                  • Assignee:
                    Patrick Corless
                    Reporter:
                    Arran Mccullough
                  • Votes:
                    0 Vote for this issue
                    Watchers:
                    2 Start watching this issue

                    Dates

                    • Created:
                      Updated:
                      Resolved: