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Posted to dev@pdfbox.apache.org by "Tilman Hausherr (JIRA)" <ji...@apache.org> on 2014/05/17 13:29:14 UTC

[jira] [Comment Edited] (PDFBOX-2081) Lines that exceeds clipping area are not drawn

    [ https://issues.apache.org/jira/browse/PDFBOX-2081?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14000744#comment-14000744 ] 

Tilman Hausherr edited comment on PDFBOX-2081 at 5/17/14 11:28 AM:
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I have doubts whether my theory is the cause of the problem; I looked into the stream and there is "W n" many times. "W" defines which intersection method with the old clipping path is to be used, "n" is a dummy operator that is used to set the clipping region without painting/filling/stroking anything.

What I also noticed is that at 300dpi, the lines are rendered. The two files I mentioned at the beginning were rendered as part of my "diff tests" at 96dpi.


was (Author: tilman):
I have doubts whether my theory is the cause of the problem; I looked into the stream and there is "W n" many times. "n" is a dummy operator that is used to set the clipping region without painting/filling/stroking anything.

What I also noticed is that at 300dpi, the lines are rendered. The two files I mentioned at the beginning were rendered as part of my "diff tests" at 96dpi.

> Lines that exceeds clipping area are not drawn
> ----------------------------------------------
>
>                 Key: PDFBOX-2081
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-2081
>             Project: PDFBox
>          Issue Type: Bug
>          Components: Rendering
>    Affects Versions: 2.0.0
>            Reporter: Juraj Lonc
>         Attachments: Obyčajné zásielky.pdf, rendered_(missing_lines).png, rendered_(with_null_clipping).png
>
>
> PDF contains shapes that are partly on the paper and partly outside (shape overflows paper borders).
> Those shapes are not rendered to image.
> It is caused by clipping area.
> When I replace line in PDFDrawer.strokePath()
> {noformat}
> graphics.setClip(getGraphicsState().getCurrentClippingPath());
> {noformat}
> to
> {noformat}
> graphics.setClip(null);
> {noformat}
> then everything is rendered correctly.
> Possibly bug in Java?



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