Colorblind
Well-known member
Is Postscript involved at all (such as background conversion from ID to ps to PDF) when doing an export as PDFX1a from InDesign CS4?
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What I mean is this: when exporting as PDFX1a from InDesign CS4, does InDesign needs to translate the page to Postscript before generating the PDF?
Is it different from saving as Postscript and distiling as PDFX1a besides the fact you don't see the actual Postscript file creation and Distiller interface? If so, what's different?
Is there a difference in font handling between the two methods?
Is Postscript involved at all (such as background conversion from ID to ps to PDF) when doing an export as PDFX1a from InDesign CS4?
To be very explicit, when you export PDF from InDesign or Save PDF from either Illustrator or Photoshop, there is absolutely no PostScript involved. The PDF is created via use of Adobe's PDF library by these applications.
PostScript would be very problematic for PDF creation from these applications primarily because their imaging model, common with PDF, is a significant superset of PostScript. PostScript's last language level, 3, was announced in 1996 and does not support layers, ICC color management, and transparency, to name the most prominent missing features. There are no plans to further update the PostScript language.
- Dov
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