Re: Valid glyphs in NSLayoutManager
Re: Valid glyphs in NSLayoutManager
- Subject: Re: Valid glyphs in NSLayoutManager
- From: Douglas Davidson <email@hidden>
- Date: Tue, 10 Sep 2002 13:53:16 -0700
On Tuesday, September 10, 2002, at 01:46 PM, Brock Brandenberg wrote:
Pursuing this nugget of info a little further, I see that
NSControlGlyph is
also defined. Is this also an invisible character that is somehow used
when
setShowsControlCharacters: is set to YES in an NSLayoutManager? If so,
would
it appear near a glyph for a control character in fonts that actually
have
glyphs for control characters?
No. NSControlGlyph is the stand-in in the glyph stream for control
characters, notably line breaks and tabs. It is not a displayable
glyph; it is a signal to the typesetter to perform some special layout,
such as moving to the next tab stop.
Douglas Davidson
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