[okular] [Bug 499758] New: An Image Cycling Form Doesn't Properly Replace Images

[T. H. Wright]

https://bugs.kde.org/show_bug.cgi?id=499758

            Bug ID: 499758
           Summary: An Image Cycling Form Doesn't Properly Replace Images
    Classification: Applications
           Product: okular
           Version: unspecified
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: okular-devel at kde.org
          Reporter: thwright at thwright.com
  Target Milestone: ---

Created attachment 178111
  --> https://bugs.kde.org/attachment.cgi?id=178111&action=edit
An example of the open file after hitting show forms

SUMMARY

At the following website, various PDFs are made available, many for free. These
PDFs have PNG (?) images stored in them that can be cycled to adjust the color
scheme of the images.

https://printableheroes.com/

When hitting the cycle button/form, the image attempts to change but does not
properly replace the previous image. Instead it seems to paste the next image
on top of the previous image. 

STEPS TO REPRODUCE

1. An example download link can be found here in the top right corner:
https://printableheroes.com/minis/492 I attempted to copy the download link but
it appears not to work independently of the website.
2. Open the PDF in Okular
3. Turn on Show Forms
4. Attempt to click the "click to cycle" or "click to select a base" button.
5. After the first click, the image will appear stuck and duplicated.

OBSERVED RESULT


EXPECTED RESULT


SOFTWARE/OS VERSIONS
Windows: 
macOS: 
(available in the Info Center app, or by running `kinfo` in a terminal window)
Linux/KDE Plasma: 
KDE Plasma Version: 
KDE Frameworks Version: 
Qt Version: 

ADDITIONAL INFORMATION

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