pdf external streams in Max OS X Preview

Posted by olpa on Stack Overflow See other posts from Stack Overflow or by olpa
Published on 2011-01-04T14:51:32Z Indexed on 2011/01/04 14:53 UTC
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According to the specification, a part of a PDF document can reside in an external file. An example for an image:

2 0 obj
<<
/Type /XObject
/Subtype /Image
/Width 117
/Height 117
/BitsPerComponent 8
/Length 0
/ColorSpace /DeviceRGB
/FFilter /DCTDecode
/F (pinguine.jpg)
>>
stream
endstream
endobj

I found that this functionality does work in Adobe Acrobat 5.0 for Windows (sample PDF with the image), also I managed to view this file in Adobe Acrobat Reader 8.1.3 for Mac OS X after I found the setting "Allow external content". Unfortunately, it seems that non-Adobe tools ignore the external stream feature. I hope I'm wrong, therefore ask the question:

How to enable external streams in Mac OS X? (I think that all the system Mac OS X tools use the same library, therefore say "Mac OS X" instead of "Preview".)

Or maybe there could be a programming hook to emulate external streams? My task is: store a big set of images (total ˜300Mb) outside of a small PDF (˜1Mb). At some moment, I want to filter PDF through a quartz filter and get a PDF with the images embedded. Any suggestions are welcome.

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