Fwd: Re: label offsets characters

[Sergei Steshenko <sergstesh yahoo com>]

--- Sergei Steshenko <sergstesh yahoo com> wrote:

> Date: Sat, 9 Sep 2006 02:28:00 -0700 (PDT)
> From: Sergei Steshenko <sergstesh yahoo com>
> Subject: Re: label offsets characters
> To: Laurent Klinger <laurent alcinoe net>
>
>
>
> --- Laurent Klinger <laurent alcinoe net> wrote:
>
> > Hi,
> >
> >   I'm new to gtk-perl, and I'm trying to build an app to help
> > me learn japanese characters. It works fairly well, except that
> > all hiranaga characters seem to be offset towards the top,
> > and consequently, some characters appear "shaved" of a few
> > pixels on the top. The short script below demonstrates this.
> > It simply creates a window containing a label, displaying
> > a single hiragana character, the one for the 'zo' syllable.
> >
> > At least on my machine, the tiny window displays the zo character,
> > but it clashes with the window title bar. However, on resizing
> > the window, the whole character appears. (attachment shows an
> > example before and after resizing.) By the way, I'm running
> > Ubuntu (6.06) with the "standard" gtk2-perl (version says
> > 1:1.102-1ubuntu1).
> >
> > Any idea about why those characters are all offset in this way?
> >
> > Thanks,
> >
> >   laurent
> >
> >
> > -------8<------------------------------------------------
> > #! /usr/bin/perl -w
> > use strict;
> > use Gtk2 -init;
> > use Glib qw/TRUE FALSE/;
> >
> > my $zo = '&#12382;';
> >
> > my $label = Gtk2::Label->new( );
> > $label->set_markup( markup( $zo ) );
> >
> > my $window = Gtk2::Window->new ('toplevel');
> > $window->signal_connect( delete_event => sub { Gtk2->main_quit; });
> >
> > $window->add($label);
> > $window->show_all;
> >
> > Gtk2->main;
> >
> >
> > sub markup
> > {
> >   return( '<span font_desc="Bitstream Vera Serif 32">' . $_[0] .
> > '</span>');
> > }
> >
> > > _______________________________________________
> > gtk-perl-list mailing list
> > gtk-perl-list gnome org
> > http://mail.gnome.org/mailman/listinfo/gtk-perl-list
>
>
> Well, Gtk2::Label appears to be derived from Gtk2::Misc; the latter has:
>
> "
> METHODS
>        (xalign, yalign) = $misc->get_alignment
>
>
>        $misc->set_alignment ($xalign, $yalign)
>
>
>            * $xalign (double)
>            * $yalign (double)
> ",
>
> so Gtk2::Label has set_alignment too.
>
> I think that practical range for $xalign, $yalign is 0..1 - 0.5 value means
> middle both in the sense of left <-> right, top <-> bottom.
>
> The above is written based on my experience with Gtk2::Frame, so I hope it holds
> for Gtk2::Label too.
>
> --Sergei.
>
> Applications From Scratch: http://appsfromscratch.berlios.de/
>
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