Random Script Tips

[DJ-16]

Hi Gimp-user,

I'm a newbie when it comes to Gimp script writing, and I'm going
through the paces to learn. I've come across a couple of items that
might help others also in the learning process.

- I've noticed a lot of folks say to restart Gimp after installing their
script. Maybe that's the safest/surest thing to do, but there's also
Filters > Script-FU > Refresh Scripts (No?).

- Help > Procedure Browser is nice, but I wanted to view in one file,
read, do regex searches, and cut/paste. So I ran this command:

gimp --new-instance --no-interface --batch '(gimp-procedural-db-dump
"pdb.dump")' --batch '(gimp-quit FALSE)'

- Use constants and enumerations found in pdb. Example,
use FOREGROUND-FILL, rather than 0.
(Maybe http://developer.gimp.org/api/2.0/, too?)

- Definitely check out gimp-message, especially if you're having
problems. You can always remove them later.

I found these two scripts helpful, in the sense there is a lot of
older scripts out there, and these may highlight what's changed, so
older scripts aren't used as templates.

*  script-update.pl
   This Perl script reads in a Script-Fu script written for older
   versions of GIMP and outputs an updated script which contains most
   (and sometimes all of) the changes needed to make the script
   runnable in a newer version of GIMP. Scripts as old as ones written
   for GIMP 1.0 (and possibly older) can be updated for use with
   versions 2.0, 2.2, or 2.4 of GIMP.

* list-deprecated-pdb.pl
  This Perl script reads in the output from the PDB dump function
  of GIMP. It generates a list of deprecated functions and the
  names of the functions which replace the deprecated ones.
http://www.ve3syb.ca/software/gimp/extras.html


Any others?

--
__________________________    
DJ                      


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[Sven Neumann]

Hi,

On Wed, 2009-06-24 at 18:09 -0500, DJ wrote:

> * list-deprecated-pdb.pl
>   This Perl script reads in the output from the PDB dump function
>   of GIMP. It generates a list of deprecated functions and the
>   names of the functions which replace the deprecated ones.
> http://www.ve3syb.ca/software/gimp/extras.html

You can also use the --pdb-compat-mode command-line option of gimp:

 --pdb-compat-mode {off|on|warn}
     If the PDB should provide aliases for deprecated functions.

The mode is 'on' by default, which means that GIMP will silently process
deprecated PDB functions. If you change it to 'warn', then GIMP will
warn you whenever a script uses a deprecated function. You can also turn
it 'off' completely. Then deprecated functions will simply not exist and
an error will be raised if you try to call one.


Sven


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