SetaPDF-Merger

SetaPDF-Merger Component

Tweak

• Changed all internal used class names to new namespaced variation.
• Throw a Merger\Exception if the PDF that should be handled has zero pages.

SetaPDF-Core Component

Feature

• Added support for Tiff predictor (only 8 bits-per-component).

Bugfix

• Fixed cleanup of XMP packet wrapper.
• Fixed creation of compressed object streams for new created objects.
• Fixed behavior in creation of object streams with objects of foreign document instances which are referenced later again.
• Ensure a stream object in Page::toXObject() to prevent "__clone method called on non-object" error (raised only in faulty documents).

Tweak

• Changed all internal used class names to new namespaced variation.
• Moved Kids array in tree structures into an indirect object instead of a direct object.
• Cache IDTree instance in StructTreeRoot class.
• Removed unnecessary memoization of cross-reference entries to save memory.
• Optimized the creation of compressed cross-reference streams in view to memory consumption.
• Changed parsing of hex strings to a token-based form to ignore whitespaces and comments directly.