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implement ExtGState 'SMask' parameter

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Offline Phil

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implement ExtGState 'SMask' parameter
« December 25, 2017, 02:12:45 PM »
Apr 02 07:37:37 2016 futuramedium [...] yandex.ru request, from RT 113514 (#33)

Quote
Plus, I had to look up what on Earth is the "Halftone Phase" - it's from the Display Postscript extensions, was described in Postscript Level2 Manual, briefly mentioned in PDF 1.2 and gone without a trace in later references. I think there's no need nor support for it anymore. Rather (it goes to wishlist :) ) the 'SMask' ExtGState parameter would be implemented.

Steve Simms:

Feel free to send along a patch or a pull request that adds the SMask parameter. It doesn't look like it'll be too hard to add (you just need to check to see if the argument is a name or a dictionary, according to the spec).