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https://issues.apache.org/jira/browse/PDFBOX-3183?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andreas Lehmkühler updated PDFBOX-3183:
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Fix Version/s: (was: 2.0.0)
> Thin strokes (hairline)
> -----------------------
>
> Key: PDFBOX-3183
> URL: https://issues.apache.org/jira/browse/PDFBOX-3183
> Project: PDFBox
> Issue Type: Bug
> Components: Rendering
> Affects Versions: 2.0.0
> Reporter: Cornelis Hoeflake
> Attachments: thinline.pdf
>
>
> I have a PDF which has a very small line in it. When rendering with PDFBox,
> the line is not shown. Only at very high resolution, starting with a scale
> factor of 14. The line is shown (as black 1 pixel line) in other PDF readers
> like Adobe, Chrome, PDFJS and Edge.
> I think this issue is related to PDFBOX-2753 but is different.
> The line is implemented by a stroke of 0.06pt high. That stroke is surrounded
> by a rectangle of the same height. Now there are two problems.
> First, the rectangle is used as the clipping area. That area is 0.06pt high
> which is 0 pixels at lower resolution.
> Secondly, the stroke itself has a height of 0.06pt which is 0 pixels at lower
> resolution. Although the PageDrawer.getStroke rewrites this to 0.25.
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