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Re: Determining underline style and mask?

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Re: Determining underline style and mask?

Subject: Re: Determining underline style and mask?
From: Martin Wierschin <email@hidden>
Date: Mon, 23 Apr 2007 16:34:11 -0700

int underlineStyle = NSUnderlineStyleSingle |
NSUnderlineByWordMask;

	BOOL isSingle = (underlineStyle &
NSUnderlineStyleSingle) == NSUnderlineStyleSingle;
	BOOL isDouble = (underlineStyle &
NSUnderlineStyleDouble) == NSUnderlineStyleDouble;
	BOOL byWord = (underlineStyle &
NSUnderlineByWordMask) == NSUnderlineByWordMask;

Returns non-zero for everything.

The trouble you are experiencing is that the double underline mask includes the single underline bit. What you're after is:

BOOL isDouble = (NSUnderlineStyleDouble == (style & NSUnderlineStyleDouble)); BOOL isSingle = (! isDouble) && (NSUnderlineStyleSingle == (style & NSUnderlineStyleSingle)); BOOL isByWord = (0 != (style & NSUnderlineByWordMask));

~Martin

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References:  
  >Determining underline style and mask? (From: Keith Blount <email@hidden>)




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