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From "Jiri Kunhart (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (PDFBOX-4245) wrong rendering of the transparency group at the specific position on a page
Date Thu, 09 Aug 2018 11:13:00 GMT

     [ https://issues.apache.org/jira/browse/PDFBOX-4245?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Jiri Kunhart updated PDFBOX-4245:
    Attachment: pdfbox-3.0.0-SNAPSHOT_transparency_group_sources.patch

> 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
>            Assignee: Tilman Hausherr
>            Priority: Major
>              Labels: patch
>         Attachments: gs-bugzilla690022-reduced-rotations-cropbox.pdf, gs-bugzilla690022-reduced-rotations.pdf,
gs-bugzilla690022.pdf, 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, pdfbox-2.0.10-SNAPSHOT_transparency_group_sources_2.patch,
pdfbox-2.0.12-SNAPSHOT_transparency_group_sources.patch, pdfbox-3.0.0-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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