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https://issues.apache.org/jira/browse/PDFBOX-870?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14117790#comment-14117790
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John Hewson commented on PDFBOX-870:
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Anti-aliasing was fixed with PDFBOX-2262, however the fonts in this file still
looked bad because the widths of the glyphs in the substituted font does not
match the widths embedded in the PDF. It seems that Acrobat is stretching the
glyphs to match the embedded widths.
> PDF-To-IMAGE output is not anti-aliased
> ---------------------------------------
>
> Key: PDFBOX-870
> URL: https://issues.apache.org/jira/browse/PDFBOX-870
> Project: PDFBox
> Issue Type: Improvement
> Components: Rendering
> Affects Versions: 1.3.1
> Reporter: Nicolas Hoibian
> Attachments: a_metro-vlc.pdf,
> a_metro-vlc.pdf-1-antialiasing-fontmods.png,
> a_metro-vlc.pdf-1-antialioasing.png, a_metro-vlc.pdf-1.png,
> pdf-renderer_vlc.png, pdfbox_vlc.png
>
>
> Hi
> I am a user of pdf-renderer from java.net, and I am looking into the pdf to
> image part of pdfbox.
> So far it seems that pdfbox can render more of the pdf that are problematic
> with pdf-renderer, but for those that work in both, the pdf-to-image output
> is prettier for pdf-renderer, as both the font and shapes/path/lines are
> anti-aliased.
> With PDFbox, the text is sometimes antialiased, but never the shapes/drawings.
> Is there a way to have shapes antialiased ?
> I am using the latest version from svn.
> Here are some examples in the difference of rendering
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