Re: behind the scenes of -drawInRect:
Re: behind the scenes of -drawInRect:
- Subject: Re: behind the scenes of -drawInRect:
- From: Douglas Davidson <email@hidden>
- Date: Fri, 26 May 2006 15:35:32 -0700
On May 26, 2006, at 2:26 PM, Joshua Scott Emmons wrote:
Can anyone share a bit of the implementation details behind -
[NSArrtibutedString drawInRect:]? I'm using it in -[NSView
drawRect:] to place some text for printing.
I need to know the outputted text's height, but -[NSLayoutManager
usedRectForTextContainer:] mysteriously cuts off the bottom 1/3 of
the last line or two (depending on the size of the string). I
figure this must be because of some sort of padding that's added to
the string in -drawRect:, but I can't find any details as to how -
drawRect: renders the text, so I don't know what variables I need
to account for.
Take a look at Aki's post on typesetter behavior. That seems the
most likely explanation of the discrepancy you are seeing.
Douglas Davidson
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