PDF In-Depth

Review: Adobe Acrobat 9 sets foot in Web 2.0 with web-based live collaboration

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Output preview debuts a feature called Object Inspector, which is designed to help you to investigate color values of all objects at the current pointer position as well as their overprint settings. It is important to remember that inspecting color values of an object is not the same as checking ink coverage. Checking ink coverage was supported in previous versions; the ability to inspect color values is new to Acrobat 9 Pro and Pro Extended.

Object Inspector in Acrobat 9 Pro


Figure 6. Object Inspector in Acrobat 9 Pro.

Adobe has eliminated the command Overprint Preview, but not the feature itself. Overprint Preview is now being activated automatically whenever needed.

Color conversion without DeviceLink support

Acrobat's color conversion capabilities have become more versatile, but the newly expanded interface seems quite confusing at first. While the underlying technology works reliably, the interface feels a bit clumsy and unfinished.

Convert Colors in Acrobat 9 Pro


Figure 7. Convert Colors in Acrobat 9 Pro.

On the upside, Acrobat has acquired some additional options and perfected the ability to conduct a whole sequence of color transformations with the click of a button. On the downside, the app still lacks any support for DeviceLink color transformations, which is required for high-quality CMYK-to-CMYK transformations, which are conducted in preparation for output in commercial printing. So if you are supposed to properly handle CMYK-to-CMYK conversions, then Acrobat 9 Pro (and Pro Extended) is really not so much of a help. In this case you have to rely on third-party solutions such callas pdfToolbox 3 or 4.

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