Re: 2.0.1 bug situation, esp. wrt ZVT
- From: HideToshi Tajima <hidetoshi tajima sun com>
- To: Havoc Pennington <hp redhat com>
- Cc: Steve Swales <Steve Swales sun com>, Luis Villa <louie ximian com>, gnome-hackers gnome org, desktop-devel-list gnome org
- Subject: Re: 2.0.1 bug situation, esp. wrt ZVT
- Date: Tue, 30 Jul 2002 10:10:44 -0700
Havoc Pennington wrote:
I could understand it may make things slow, but I'm not really sure what
you mean from
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
"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
Handling non-monospaced fonts would require massive code changes, which
- you are going to need to handle non-monospaced fonts, because
gnome-terminal has no way to filter things so the user can
only select monospace, at least not yet
it cannot be done in next 4-6 weeks of 2.0.2 timeframe.
The current libzvt i18n patch is written in the expectation that it can
always be fed with
monospaced fonts - and in multibyte locale cases, it expects the width
of CJK character
glyphs are exactly twice as that of ASCII character glyphs.
How about having a way to filter some fonts to meet the above
expectation? Is it possible to
add it in gnome-terminal or somewhere else? How difficuilt could ie be?
The patch is using pango_font_metrics_get_approximate_digit_width() so
that it should
decide column width from the width of ASCII digit characters, so it does
- max_logical_extent on pango fonts is going to tend to be too big
for Western locales due to fontsetting
way-big due to fontsetting or the current locale.
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