Re: Cocoa and PICT
Re: Cocoa and PICT
- Subject: Re: Cocoa and PICT
- From: Marcel Weiher <email@hidden>
- Date: Tue, 14 Aug 2007 09:33:12 -0700
On Aug 13, 2007, at 8:01 PM, Henry McGilton wrote:
Assuming setFlatness is a cardboard replica of PostScript's
setflat operator, the (excerpted paraphrased) description
for setflat from the most recent PostScript reference states:
'stroke, fill, clip operators render curves by approximating
them with straight line segments. flatness is the error
tolerance of this approximation---the maximum allowable distance
of any point of the approximation from the corresponding
point on the true curve *measured in output device pixels*
(* . . . * emphasis).
Acceptable range of values (for flatness) is 0.2 to 100.0.'
WIth the higher values probably more useful for imagesetters in the
2000+ dpi range than for screens at around 70-140 dpi...
Marcel
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