wkhtmltopdf percentage decimals

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I am using wkhtmltopdf to render a HTML figure to PDF. Each bar is segmented up into several smaller divs which each as a width equal to their value. All of these added together gives 100%. Now each div can have a width in percent with alot of decimals.

The problem is that when this html gets passed through wkhtmltopdf these decimals seems to be ignored. Does anyone know of a way to force wkhtmltopdf to use all decimals when rendering?

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Perhaps this other question has your answer? wkhtmltopdf not rendering percentage widths correctly

The marked answer points out that wkhtmltopdf does not render decimal pixels, such as 10.5px

A "fix" for the problem was to increase the dpi setting, which did not seem to affect the time it took to generate a PDF.

I have not tested, but I thought this might help.