gimp images with text

[Bill Y.]

Hi

I'm trying to migrate a suite of legacy code running gimp 1.2 on Redhat to a
Debian platform and gimp 2.4 .

I am starting gimp with
/usr/bin/gimp --no-interface --console-messages --verbose --batch
'(extension-perl-server 1 0 0)'

The old perl code probably needs updating, but at the moment it calls
text_get_extents like so:

  return Gimp::text_get_extents(undef, $text, $size, PIXELS, $foundry, $font,
$weight, $slant, 'normal', '*', '*', '*');

There seem to be a couple of problems.
When the $text contains anything other than [a-z], [A-Z], [0-9],
gimp_text_get_extents fails, saying it was called with an invalid argument.

Also, when the code does create an image with text, I'm not convinced gimp is
using the font I'm requesting.

Any help much appreciated.


--
Luke R. (via www.gimpusers.com)
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[Sven Neumann]

Hi,

On Tue, 2009-06-09 at 18:15 +0200, Luke R. wrote:

> There seem to be a couple of problems.
> When the $text contains anything other than [a-z], [A-Z], [0-9],
> gimp_text_get_extents fails, saying it was called with an invalid argument.

You need to make sure that your text is in UTF-8 encoding.

> Also, when the code does create an image with text, I'm not convinced gimp is
> using the font I'm requesting.

Font selection changed completely with GIMP 2.0. There's some
compatibility code that tries to map the X Logical Font Description font
names from the old days to a font-config font description, but this code
is probably not perfect.


Sven


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[Bill Y.]

>> There seem to be a couple of problems.
>> When the $text contains anything other than [a-z], [A-Z], [0-9],
>> gimp_text_get_extents fails, saying it was called with an invalid
argument.
>
>You need to make sure that your text is in UTF-8 encoding.
>

Thanks. That fixed it.

>> Also, when the code does create an image with text, I'm not convinced gimp
is
>> using the font I'm requesting.
>
>Font selection changed completely with GIMP 2.0. There's some
>compatibility code that tries to map the X Logical Font Description font
>names from the old days to a font-config font description, but this code
>is probably not perfect.
>

Could you give me some more detail on this?
How does the mapping work?
I am having a problem in particular with Avantgarde from foundry urw. It
seems to be reverting to a more Helvetica-like font.

Thanks
Luke


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[Sven Neumann]

Hi,

On Wed, 2009-06-10 at 14:48 +0200, Luke R. wrote:

> Could you give me some more detail on this?
> How does the mapping work?
> I am having a problem in particular with Avantgarde from foundry urw. It
> seems to be reverting to a more Helvetica-like font.

Just stop using the old-style font definition and use a fontconfig font
pattern instead. Have a look at the fontconfig documentation that is
most likely installed on your computer. My Debian system installs it
at /usr/share/doc/fontconfig/fontconfig-user.html


Sven


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