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Re: Glyph range in textContainers
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Re: Glyph range in textContainers


  • Subject: Re: Glyph range in textContainers
  • From: Douglas Davidson <email@hidden>
  • Date: Wed, 13 Nov 2002 12:30:11 -0800

On Wednesday, November 13, 2002, at 05:34 AM, Reza Farhad wrote:

I have a textstorage that is associated with a number of text containers, and I am trying to find out the range of text in each container.

I have been using the call "-textContainerForGlyphAtIndex:effectiveRange:" as the documentation indicates that it is the preferred option to "-glyphRangeForTextContainer: " as it is more efficient.

oddly, using "-textContainerForGlyphAtIndex:effectiveRange:" I have got the range of up to whole paragraphs only and it has ignored any incomplete paragraphs at the end of the textcontainer. This is not the case if I use "glyphRangeForTextContainer".

Can anybody shed some light on to this, and also why one call is recommended over the other, as in the documentation it does imply that both calls "Performs glyph generation and layout if needed".

Can you make a small example app that demonstrates this? That sounds odd to me; I suspect there might be some other difference that would account for this.

Douglas Davidson
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References: 
 >Glyph range in textContainers (From: Reza Farhad <email@hidden>)

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