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Abstract

A method, software product, and apparatus to convert data in a first PDL format, e.g., PDF to data in a second PDL format. The first and second PDLs each support a respective set of transparency modes. The method comprising receiving the data in the first PDL format, parsing the received data, and converting each object in the first PDL format to a corresponding object in the second PDL format,. The converting includes, for any object that has transparency of a mode having a corresponding mode in the second PDL format, converting the transparency and transparency mode in the first PDL format to the corresponding transparency and transparency mode in the second PDL format such that the objects that have transparency are editable in the second PDL format. The second PDL format is one for which a RIP that supports transparency is available. One version includes converting to an intermediate format. The converting to the intermediate format includes, for any object that has transparency of a mode having a corresponding mode in the second PDL format, removing the transparency and adding an annotation indicating transparency and from which the original transparency specification can be obtained, and then converting the intermediate mode to the second PDL format. The converting from the intermediate mode includes replacing any annotation indicating transparency with the corresponding transparency specification in the second PDL format.

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First Claim