Re: Displaying a number with Quartz
Re: Displaying a number with Quartz
- Subject: Re: Displaying a number with Quartz
- From: Pierre Berloquin <email@hidden>
- Date: Wed, 27 May 2009 04:24:41 +0200
That would mean dropping all the niceties of Quartz that lets me draw
outlined text, for one.
2009/5/26 Gunnar Proppe <email@hidden>
>
> Actually, your pure Objective C version would be to use NSString's
> drawAtPoint:withAttributes instead of converting to a char* and using
> CGContextShowTextAtPoint.
>
>
> http://developer.apple.com/documentation/Cocoa/Reference/ApplicationKit/Classes/NSString_AppKitAdditions/Reference/Reference.html
>
> Gunnar
>
>
> ----- Original Message ----
> > From: Pierre Berloquin <email@hidden>
> > To: Sean McBride <email@hidden>
> > Cc: email@hidden
> > Sent: Tuesday, May 26, 2009 9:13:26 AM
> > Subject: Re: Displaying a number with Quartz
> >
> > Finally, thanks to Alexander, my pure Objective C solution is
> > NSString *S = [[NSString alloc] initWithFormat:@"%i", i];
> > const char *text = [S UTF8String];
> >
> > and no warning this time except that I should learn more about C
> >
> > Thanks
> > Pierre
> >
> > 2009/5/26 Sean McBride
> >
> > > On 5/26/09 5:12 PM, Alexander Spohr said:
> > >
> > > >> Never ever use sprintf for anything.
> > > >
> > > >If you use "%d" and know it will be an int? You know how many chars
> > > >you'll have at max, no buffer-overflow possible. (You might argue
> > > >here, that at some time we will habe 128-bit ints, but hey you should
> > > >recode your app then anyway or just have a buffer large enough to
> > > >handle that right at the start)
> > > >
> > > >And yes - you are right, use snprintf instead... int might become 256
> > > >bit.
> > >
> > > You can use sprintf safely if you're very careful, I suppose, but using
> > > snprintf is not harder and so much safer. sprintf is just not worth
> the
> > > risk.
> > >
> > > --
> > > ____________________________________________________________
> > > Sean McBride, B. Eng email@hidden
> > > Rogue Research www.rogue-research.com
> > > Mac Software Developer Montréal, Québec, Canada
> > >
> > >
> > >
> >
> >
> > --
> > Blogs : http://bibliobs.nouvelobs.com/blog/jeux-litteraires
> > http://pierre-berloquin.blogspot.com/
> >
> > Développement durable des neurones par le jeu de réflexion
> > www.crealude.net
> >
> > Sustainable development of neurones through mind games
> > www.crealude.net/us
> >
> > Que fait-on pour les mal-codants ?
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--
Blogs : http://bibliobs.nouvelobs.com/blog/jeux-litteraires
http://pierre-berloquin.blogspot.com/
Développement durable des neurones par le jeu de réflexion
www.crealude.net
Sustainable development of neurones through mind games
www.crealude.net/us
Que fait-on pour les mal-codants ?
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