Given that QD is not color managed, I would expect that you should use
[NSColor colorWithDeviceRed..] rather than the calibrated variation.
(I must admit that I find the documentation regarding calibrated and
device rather thin in various NSColor references).
Jesper
On Jul 31, 2009, at 8:44 AM, Steve Christensen wrote:
On Jul 31, 2009, at 2:31 AM, Matthias Schmidt wrote:
how do I convert color values from longint or UInt16 as they were
used with the carbon API to CGFloat used with NSColor?
I assume you're talking about something like QuickDraw's RGBColor,
where color components range from 0 to 65535? You could do something
like this:
NSColor* NSColorFromQuickDrawRGBColor(const RGBColor* color)
{
return [NSColor colorWithCalibratedRed:((CGFloat)color->red /
65535.0)
green:((CGFloat)color->green /
65535.0)
blue:((CGFloat)color->blue /
65535.0)
alpha:1.0];
}
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