phpdftk API Documentation

ReferenceXObjectConstraint
in package
implements ConformanceConstraint

FinalYes

ISO 15930-8/9 (PDF/X-5): Reference XObject validation.

PDF/X-5g, X-5pg, and X-5n profiles support external graphical content via reference XObjects. When present, the FormXObject's /Ref dictionary must be valid. This constraint is a no-op for non-X-5 profiles.

Table of Contents

Interfaces

ConformanceConstraint
A single category of conformance checks (e.g. font embedding, encryption).

Methods

check()  : array<int, ConformanceViolation>
Check the document against this constraint for the given profile.

Methods


        
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