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https://issues.apache.org/jira/browse/PDFBOX-5194?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17346593#comment-17346593
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Andreas Unterweger commented on PDFBOX-5194:
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The bounds that I get are:
{{[x=28.0,y=-4.0,w=200.0,h=185.0]}}
The log message already appears before I reach this point in the code.
Replacing the bounds.isEmpty() check by true makes the example work, but I am
wondering why the bounds are off by so much. The factor does not seem to be
exactly 4, but, in case it matters, my display settings are set to 200% on my
main, high-DPI diplay, which would give me 4x sized pixel coordinates. However,
I would not think that this would affect rendering off-screen.
> CreateCheckBox example draws too large, clipped checkmark
> ---------------------------------------------------------
>
> Key: PDFBOX-5194
> URL: https://issues.apache.org/jira/browse/PDFBOX-5194
> Project: PDFBox
> Issue Type: Bug
> Components: AcroForm
> Affects Versions: 2.0.23
> Environment: Windows 10 64-bit with JRE 15
> Reporter: Andreas Unterweger
> Priority: Major
> Attachments: .pdfbox.cache, CheckBoxSample.pdf, checkbox.PNG
>
>
> I am using the example code from CreateCheckBox of v2.0.23 to create a PDF
> with a rendered checkbox
> ([https://github.com/apache/pdfbox/blob/2.0.23/examples/src/main/java/org/apache/pdfbox/examples/interactive/form/CreateCheckBox.java]).
> Regardless of whether I use the original code or change .unCheck() to
> .check(), the checkmark drawn in the PDF (when the checkbox is checked) is
> too large and gets clipped (see attached image).
> I tried the latest Adobe Reader version and other PDF viewers as well as
> drawing into a different, pre-existing PDF document. The issue remains. In
> case it is relevant, I receive the following output when executing the code:
> {{Mai 17, 2021 10:51:17 AM org.apache.fontbox.ttf.CmapSubtable
> processSubtype14}}
> {{WARNING: Format 14 cmap table is not supported and will be ignored}}
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