[jira] [Work logged] (IMAGING-340) Support PNG extension

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IMAGING-340?focusedWorklogId=839098&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-839098 ]

ASF GitHub Bot logged work on IMAGING-340:
------------------------------------------

                Author: ASF GitHub Bot
            Created on: 13/Jan/23 14:59
            Start Date: 13/Jan/23 14:59
    Worklog Time Spent: 10m 
      Work Description: Glavo commented on PR #269:
URL: https://github.com/apache/commons-imaging/pull/269#issuecomment-1381983655

   When I created the test, I noticed the type of `EXIF_TAG_EXIF_IMAGE_WIDTH` and `EXIF_TAG_EXIF_IMAGE_LENGTH` is `TagInfoShort`.
   
   However, in the [standard document](https://www.cipa.jp/std/documents/e/DC-X008-Translation-2019-E.pdf), the field type is SHORT or LONG.
   
   Unfortunately, the test image I found uses the LONG type field to record `ExifImageWidth` and `ExifImageLength`, so I found this problem.
   
   Should I solve this problem in this PR? Or do I need to open a new PR?




Issue Time Tracking
-------------------

            Worklog Id:     (was: 839098)
    Remaining Estimate: 0h
            Time Spent: 10m

> Support PNG extension
> ---------------------
>
>                 Key: IMAGING-340
>                 URL: https://issues.apache.org/jira/browse/IMAGING-340
>             Project: Commons Imaging
>          Issue Type: Improvement
>          Components: Format: PNG
>            Reporter: Glavo
>            Priority: Minor
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Support [Extensions to the PNG 1.2 Specification, Version 1.5.0|http://ftp-osl.osuosl.org/pub/libpng/documents/pngext-1.5.0.html].



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