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https://issues.apache.org/jira/browse/PDFBOX-4069?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16333969#comment-16333969
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Kristian Jörg commented on PDFBOX-4069:
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In that case your model might come in handy. But I feel that supporting the
standard crop boxes first in an easy-to-use way would benefit most. And is the
easiest path to implement.
Making the classes extendable to support custom boxes or whatever is always
good - but could need a bit more thinking to get it right,
> Rendering with trimbox not possible
> -----------------------------------
>
> Key: PDFBOX-4069
> URL: https://issues.apache.org/jira/browse/PDFBOX-4069
> Project: PDFBox
> Issue Type: Bug
> Components: Rendering
> Affects Versions: 2.0.7
> Reporter: Kristian Jörg
> Priority: Major
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> I have a PDF with cropmarks for printing that i want to render without
> cropmarks visible. The default implementation in PDRenderer uses
> page.getCropBox() to decide the visible part of a page. But there is no way
> to override that to use trimbox - which is what I need.
> Further, trying to extend PDRenderer to change the implementation to use
> trimbox instead of cropbox fails, because the method renderImage() calls the
> constructor of PageDrawerParameters, which unfurtunately insn't visible (not
> public). I couldn't find a way to solve that. Instead I ended up installing
> the whole pdfbox source and patching up the PDFRenderer.java file according
> to my needs. That gave me the rendering output I expected, i.e the cropmarks
> gone.
> So please make it possible to choose which cropping to use (cropbox, trimbox,
> bleedbox) for rendering and perhaps look over the possibility to extend these
> classes without visibility issues.
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