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From "Tilman Hausherr (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PDFBOX-4245) wrong rendering of the transparency group at the specific position on a page
Date Sun, 17 Jun 2018 15:17:00 GMT

    [ https://issues.apache.org/jira/browse/PDFBOX-4245?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16515106#comment-16515106
] 

Tilman Hausherr commented on PDFBOX-4245:
-----------------------------------------

I'm thinking about creating a disabled test in a separate class, maybe later.

> 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
>             Fix For: 2.0.10, 3.0.0 PDFBox
>
>         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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