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Posted to dev@pdfbox.apache.org by "Jiri Kunhart (JIRA)" <ji...@apache.org> on 2018/06/13 08:47:00 UTC

[jira] [Created] (PDFBOX-4245) wrong rendering of the transparency group at the specific position on a page

Jiri Kunhart created PDFBOX-4245:
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             Summary: wrong rendering of the transparency group at the specific position on a page
                 Key: PDFBOX-4245
                 URL: https://issues.apache.org/jira/browse/PDFBOX-4245
             Project: PDFBox
          Issue Type: Bug
          Components: Rendering
    Affects Versions: 2.0.10
            Reporter: Jiri Kunhart
         Attachments: pdfbox-2.0.10-SNAPSHOT_transparency_group_all.patch, pdfbox-2.0.10-SNAPSHOT_transparency_group_resources.zip, pdfbox-2.0.10-SNAPSHOT_transparency_group_sources.patch

The rendering of the transparency groups works only if the whole page is rendered. If you try to render only a part of the page where is a transparency group placed, you will get only the white image or an image with shifted pixels representing applied soft mask. The simple fix is attached in the patch, including the test and the resources used for testing.



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