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https://issues.apache.org/jira/browse/PDFBOX-4928?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tilman Hausherr resolved PDFBOX-4928.
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Assignee: Tilman Hausherr
Resolution: Fixed
Thanks for the feedback!
> Could the new rendering method of PageDrawer be optional?
> ---------------------------------------------------------
>
> Key: PDFBOX-4928
> URL: https://issues.apache.org/jira/browse/PDFBOX-4928
> Project: PDFBox
> Issue Type: Wish
> Components: Rendering
> Affects Versions: 2.0.20
> Reporter: Christian Appl
> Assignee: Tilman Hausherr
> Priority: Major
> Fix For: 2.0.22, 3.0.0 PDFBox
>
> Attachments: image-2020-08-03-09-43-37-412.png, prescaled.png,
> unprescaled.png
>
>
> This relates to {color:#008dde}PDFBOX-4516, PDFBOX-4527, PDFBOX-4815,
> PDFBOX-4886, PDFBOX-4863{color}{color:#008dde}
> I have tested the new prescaled rendering method for the
> {color}org.apache.pdfbox.rendering.{color:#008dde}PageDrawer
> {color:#172b4d}with PDFBox:2.0.21-SNAPSHOT{color}{color} for different
> images, with different resolutions, target image sizes etc. and compared the
> results to our old expectations (pre 2.0.20). And I really like it!
>
> However it seems to depend on the person's subjective perception (atleast
> for my tested images), whether I like the old or the new results better. When
> asking my colleagues, I heard arguments for both sides.
>
> Therefore my question is: Could a RenderingHint be introduced to
> disable/enable this separately and more intentionally, instead of assuming,
> that the scaling method must always be applied for specific scaling factors?
> This would allow users to select the scaling method according to their own
> liking and needs.
>
> I can not really find a crystal clear, objective answer, whether the one or
> the other is "better", therefore I would prefer being able to de/activate it
> according to my own judgement.
> As far as I understand, the criterion (scaleX < {color:#1750eb}0.5 {color}||
> {color:#000000}scaleY {color}< {color:#1750eb}0.5{color}) has been selected
> rather arbitrarily.( ? )
> But what if I want to apply it even to images above those scaling factors?
> What if I want to not apply it to images bellow those scaling factors?
> What if I want to apply it to Image A, but not to Image C, for some unknown
> reason?
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