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Editorial Team
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Asked: 2026-06-01T01:27:54+00:00

I want to use libharu to render my documents to PDF. I would like

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I want to use libharu to render my documents to PDF.
I would like to set a global scalefactor, which translates my document coordinates to the pdf-page coordinates.

The only function in libharu, which has to do with scaling, is HPDF_Page_GetTransMatrix(page).

HPDF_Page_GetTransMatrix() returns the struct HPDF_TransMatrix as a value, not as a reference, so I cannot change the scaling by setting the elements of that returned matrix.

I miss the Set-Counterpart for the function HPDF_Page_GetTransMatrix()-function.

How can I set a scalefactor?

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1 Answer

  1. Editorial Team

    HPDF_Page_Concat() is the function I looked for. See
    here

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