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Posted to dev@pdfbox.apache.org by "ASF subversion and git services (JIRA)" <ji...@apache.org> on 2015/04/09 21:03:13 UTC
[jira] [Commented] (PDFBOX-2753) Improve rendering of filled thin
lines
[ https://issues.apache.org/jira/browse/PDFBOX-2753?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14488003#comment-14488003 ]
ASF subversion and git services commented on PDFBOX-2753:
---------------------------------------------------------
Commit 1672455 from [~jahewson] in branch 'pdfbox/trunk'
[ https://svn.apache.org/r1672455 ]
PDFBOX-2753: Improve rendering of filled thin lines
> Improve rendering of filled thin lines
> --------------------------------------
>
> Key: PDFBOX-2753
> URL: https://issues.apache.org/jira/browse/PDFBOX-2753
> Project: PDFBox
> Issue Type: Improvement
> Components: Rendering
> Affects Versions: 2.0.0
> Reporter: John Hewson
> Assignee: John Hewson
> Fix For: 2.0.0
>
>
> While working on PDFBOX-1658 I noticed that the file also contains some thin lines which disappear when rendering at lower resolutions. The problem is due to the PDF having filled paths with a width < 1px being used, rather than using stroked paths. Because these paths are rectangular, they're triggering our heuristic gradient detector which disables anti-aliasing.
> The solution is to increase the threshold for disabling anti-aliasing to paths with a width and height > 1, and this file now renders perfectly, even at 72 dpi.
> See the discussion in PDFBOX-1658 for further information.
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