Re: Forcing Black on RTF Text generated from NSAttributedString
Re: Forcing Black on RTF Text generated from NSAttributedString
- Subject: Re: Forcing Black on RTF Text generated from NSAttributedString
- From: Douglas Davidson <email@hidden>
- Date: Thu, 9 Dec 2004 10:34:18 -0800
On Dec 9, 2004, at 9:56 AM, R. Scott Thompson wrote:
The default text color for an NSAttributedString is black. If I
extract RTF from a plain, black, string the resulting RTF doesn't have
black in it's table, and it doesn't include a color directive that
leads me to believe it should be marked as black.
When I take that RTF data to a PC running our application what I get
out is a gray looking text (for some reason).
I'd like to force the text in my string which doesn't have a color
associated with it, to use black. I wrote some code that runs through
the string and for every text range that doesn't have a color
associated with it, it tries to set the color for that range to black.
Unfortunately (or not) the addAttribute: routine is clever enough to
figure out that I'm trying to add black as a color so it refuses to
actually add the color to the text range. If I check the string after
my addition, the attribute for that range of text is still NULL. :-(
Is there any way to tell the attributed string "No really, I want to
store black, explicitly, as the foreground color of this range of
text.... I really, really do!"
I haven't tested this, but you could try using an NSColor that is not
equal to [NSColor blackColor], but whose RGB components are 0. I
believe it is sufficient to use
colorWithCalibratedRed:green:blue:alpha: but if necessary you could use
a custom NSColor subclass.
Douglas Davidson
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