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Asked: 2026-06-12T11:16:43+00:00

I’m generating PDFs from user submitted HTML/CSS. The client has requested that the PDFs

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I’m generating PDFs from user submitted HTML/CSS. The client has requested that the PDFs have a background image to add some branding. The PDF library is wkhtmltopdf11RC1.

I can make the images print in the background using the PDF conversion library but the real problem is that the height of the body is not guaranteed to be a multiple of the paper height, and so the last page usually get’s cut off and the background image isn’t shown.

The PDF library does have javascript support but the element.offsetHeight doesn’t seem accurate, and so I can’t check how much to pad the body by in order to make a full page.

Has anyone had a similar experience or does anyone have a bright idea?

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1 Answer

  1. Editorial Team

    Unfortunately var currentBodyHeight = $('body').height(); doesn’t give an accurate indication of the height of the body for some reason, as mentioned in the original post. I’ve used PDFtk as suggested by Nenotlep.

    It wasn’t too tricky, just had to ensure that files were being saved and erased properly and I always kept a reference to the temporary files.

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