graphic characters in console

Hi,
I've got a problem displaying those graphics characters that you can find (for
example) in ncurses based programs (I mean lines, angles, etc.). On my red
hat 6.2 system they are displayed fine (I mean that if I cat a file which
contains those character I can see them weel), but on my suse 8.2 they are
not. In fact they are displayed as strange alphabetic characters. I don't
know what's the setting to display rightly those characters, anyone can help
me?

Thanks,
Luca

--
Luca Ferrari,
fluca1978@virgilio.it
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Re: graphic characters in console

Luca Ferrari wrote:

> I've got a problem displaying those graphics characters that you can find (for
> example) in ncurses based programs (I mean lines, angles, etc.). On my red
> hat 6.2 system they are displayed fine (I mean that if I cat a file which
> contains those character I can see them weel), but on my suse 8.2 they are
> not. In fact they are displayed as strange alphabetic characters. I don't
> know what's the setting to display rightly those characters, anyone can help
> me?

You have to select a suitable console font with e.g. setfont or
consolechars. The default8x9 and default8x16 fonts usually have the
line graphics characters, while those beginning with "iso" correspond
to the various ISO-8859 encodings (e.g. iso01-* all use ISO-8859-1).

See the documentation for with the "console-tools" package for more
information.

--
Glynn Clements
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Re: graphic characters in console

On Monday 01 March 2004 17:22 Glynn Clements's cat walking on the keyboard
wrote:

> Luca Ferrari wrote:
> > I've got a problem displaying those graphics characters that you can find
> > (for example) in ncurses based programs (I mean lines, angles, etc.). On
> > my red hat 6.2 system they are displayed fine (I mean that if I cat a
> > file which contains those character I can see them weel), but on my suse
> > 8.2 they are not. In fact they are displayed as strange alphabetic
> > characters. I don't know what's the setting to display rightly those
> > characters, anyone can help me?
>
> You have to select a suitable console font with e.g. setfont or
> consolechars. The default8x9 and default8x16 fonts usually have the
> line graphics characters, while those beginning with "iso" correspond
> to the various ISO-8859 encodings (e.g. iso01-* all use ISO-8859-1).
>

I've tried with default fonts, but they don't display fonts very well. I found
that using fonts cp866-8x16 everything is going right, but only for pure
console (tty). How to set fonts for virtual console (i.e., graphic terminals
such as konsole)? If I try it I get:
putfont: KDFONTOP: Operation not permitted

Any suggestion?

Luca

--
Luca Ferrari,
fluca1978@virgilio.it
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Re: graphic characters in console

Luca Ferrari wrote:

> > > I've got a problem displaying those graphics characters that you can find
> > > (for example) in ncurses based programs (I mean lines, angles, etc.). On
> > > my red hat 6.2 system they are displayed fine (I mean that if I cat a
> > > file which contains those character I can see them weel), but on my suse
> > > 8.2 they are not. In fact they are displayed as strange alphabetic
> > > characters. I don't know what's the setting to display rightly those
> > > characters, anyone can help me?
> >
> > You have to select a suitable console font with e.g. setfont or
> > consolechars. The default8x9 and default8x16 fonts usually have the
> > line graphics characters, while those beginning with "iso" correspond
> > to the various ISO-8859 encodings (e.g. iso01-* all use ISO-8859-1).
> >
>
> I've tried with default fonts, but they don't display fonts very well. I found
> that using fonts cp866-8x16 everything is going right, but only for pure
> console (tty). How to set fonts for virtual console (i.e., graphic terminals
> such as konsole)? If I try it I get:
> putfont: KDFONTOP: Operation not permitted
>
> Any suggestion?

For X-based terminal emulators, the mechanism to specify the font
tends to be specific to each program (or to the GUI toolkit which it
uses). E.g. xterm and rxvt use X resources, but GTK-based and Qt-based
programs have their own mechanims (I'm not familiar with the details).

Also, X-based programs will use X fonts rather than console fonts.
Most X fonts don't include the line-graphics characters. At least,
they don't include them in the G1 range (codes 160 to 255). Recent
versions of XFree86 have them in some of the Unicode-encoded fonts on
the 0x2500-0x25ff page, but that won't help if you're simply "cat"-ing
an MS-DOS (CP437 or similar) text file.

I only know of one X font which has the line-graphics characters in
the G1 range, which is the "vga" font which is included with the
"dosemu" program.

--
Glynn Clements
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