Re: 2.0.1 bug situation, esp. wrt ZVT

[HideToshi Tajima <hidetoshi tajima sun com>]

Nalin Dahyabhai wrote:
> On Tue, Jul 30, 2002 at 10:10:44AM -0700, HideToshi Tajima wrote:
> > Hi Havoc,
> >
> > Havoc Pennington wrote:
> >
> > > Toshi - a couple comments on the i18n patch:
> > >
> > > - I would not use PangoLayout, it's going to be slow and slightly
> > >  wrong in terms of what it does to text. you probably want to use
> > >  Xft directly or close the GTK 2.2 API bug to add a simple "draw
> > >  string" kind of API to pango
> > >
> > >       
> > I could understand it may make things slow, but I'm not really sure what 
> > you mean from
> > "going to be slightly wrong"? Is this known issue of PangoLayout?
> >
> > I don't want to use Xft directly - at least don't want to make it an 
> > only option, so that
> > it should work in the system not having Xft. Using a simple "draw 
> > string" API of pango
> > may be a choice at 2.2, but I'm afraid it cannot be in 2.0.x.
> >
> > (Above all, I understand using Pango is a way to handle text rendering 
> > and layout in
> > GTK+2 and GNOME2. Is it not true specfically in gnome-terminal and 
> > terminal widget?)
> >       
>
> PangoLayout is going to draw proportional fonts in a proportional manner,
> which is wrong for a terminal unless you're using a fixed font or drawing
> one character at a time.
>       
Thanks. It sounds like drawing one character at a time is a way to go for
now
to work around both of PangoLayout and non-monospaced font issues.
      
Regards,
Toshi
> Basically you need some way to specify the spacing between characters
> when you draw them, which I think you can do with a custom shaper, but I
> haven't really explored that.
>
> HTH,
>
> Nalin
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