Re: [ANN] Xcode + Leopard at WWDC this year
Re: [ANN] Xcode + Leopard at WWDC this year
- Subject: Re: [ANN] Xcode + Leopard at WWDC this year
- From: Stefan Werner <email@hidden>
- Date: Fri, 21 Jul 2006 14:59:40 +0200
- Organization: http://freemail.web.de/
- Reveived: from web.de by fmmailgate06.web.de (Postfix) with SMTP id 423F215A; Fri, 21 Jul 2006 14:59:40 +0200 (CEST)
Hi,
> I suspect the problem is that the underlying Cocoa / Unicode / Quartz
> text layer has some major inefficiencies, and that fixing that is not
> a priority for the team that look after it because Xcode users are
> not a big population.
It is indeed a Quartz problem, as any Shark trace will confirm. NSTextField is known to favor pretty over fast, and hence is spending a the majority of time in complex text rendering functions to get ligatures, kerning etc right. None of which matters for C++ source code. That's why Xcode should not be using it, and rather use a Carbon text control like BBEdit or a custom Cocoa text field like TextMate. NSTextField is a great help for formatted richt text. But until gcc accepts RTF as input files, it's wrong tool IMHO.
Stefan
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