FPDF_NewXObjectFromPage() src_doc scope?

[geisserml]

Hi,

could you please clarify if the src_doc from FPDF_NewXObjectFromPage() needs to remain alive while the XObject lives, or if it is OK to close the src_doc while the XObject is still in use with the dest_doc?

Currently the docs just say "Caller owns the newly created object [FPDF_XOBJECT]", but don't explicitly tell if src_doc needs to stay or not.

Thanks!

[geisserml]

Figured I could just see what happens when closing the src_doc right after FPDF_NewXObjectFromPage(). FWIW it seems to work.

[Lei Zhang]

Uploaded https://pdfium-review.googlesource.com/147290 to update the
documentation and prove it is correct.

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[geisserml]

Thank you very much!