How can I set the Transformation-Matrix in Libharu?
Pergunta
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?
Solução
HPDF_Page_Concat()
is the function I looked for. See
here
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