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https://issues.apache.org/jira/browse/PDFBOX-4826?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17109834#comment-17109834
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Tilman Hausherr commented on PDFBOX-4826:
-----------------------------------------
I forgot one thing, please insert this before the {{draw()}} call
{code:java}
RenderingHints r = new RenderingHints(null);
r.put(RenderingHints.KEY_INTERPOLATION,
RenderingHints.VALUE_INTERPOLATION_BICUBIC);
r.put(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
r.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
graphics.setRenderingHints(r);
System.out.println(graphics.getRenderingHints()); {code}
> PDF rendering produces distorted images at various DPI
> ------------------------------------------------------
>
> Key: PDFBOX-4826
> URL: https://issues.apache.org/jira/browse/PDFBOX-4826
> Project: PDFBox
> Issue Type: Bug
> Components: Rendering
> Affects Versions: 2.0.19
> Environment: Java8, docker container
> Reporter: Himanshu Pandey
> Priority: Critical
> Labels: docker
> Attachments: 05_-_Form_5_old(1).pdf, 05_-_Form_5_old(1)2-tilman.jpg,
> 300_DPI.jpeg, 301_DPI.jpeg, PDFBOX-4826-reduced1.pdf, reduced_render.jpeg,
> render_graphics.jpeg
>
>
> I am getting different output for a pdf document when converting into image.
> At 300 DPI the checkboxes are rendered at random places and have different
> shapes.
> At 301 or 209 DPI they are being rendered properly. For different DPI it is
> having this behavior like at 150 DPI it is again distorted and 149 it looks
> fine.
>
> I have attached the pdf. The page number 2 of the pdf document has issues.
>
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