[jira] [Comment Edited] (PDFBOX-2156) different shading patterns at different resolutions when ctm is null

["Tilman Hausherr (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/PDFBOX-2156?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14040090#comment-14040090 ] 

Tilman Hausherr edited comment on PDFBOX-2156 at 6/22/14 9:54 AM:
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Fixed in rev 1604555 in the 2.0 version for shading types 4 and 5.


was (Author: tilman):
Fixed in the 2.0 version for shading types 4 and 5.

> different shading patterns at different resolutions when ctm is null
> --------------------------------------------------------------------
>
>                 Key: PDFBOX-2156
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-2156
>             Project: PDFBox
>          Issue Type: Bug
>          Components: Rendering
>    Affects Versions: 1.8.5, 1.8.6, 2.0.0
>            Reporter: Tilman Hausherr
>            Assignee: Tilman Hausherr
>              Labels: shading, shadingpattern
>         Attachments: pattern-shading-2-4-noMatrix.pdf, swftools-gradients.pdf, swftools-gradients1.jpg
>
>
> The attached file renders incorrectly except at 72dpi; at other resolutions, there are different results that get worse as the resolution gets higher. For shading types 2 and 3, this effect happens only in the 1.8 versions, not in the 2.0 version. For shading types 4 and up, it happens in both 1.8 and 2.0.
> The reason is that the transformation is incomplete if the ctm is null.
> I found the file here and it was created by Matthias Kramm:
> https://github.com/jdapena/swftools/tree/master/spec



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