2004-11-13 Sven Neumann <sven@gimp.org>
* app/plug-in/plug-in-proc-def.[ch]
* app/plug-in/plug-in-rc.c
* app/plug-in/plug-ins.[ch]: allow to associate a procedure for
thumbnail loading with any file load procedure.
* tools/pdbgen/pdb/fileops.pdb: export this functionality to the
PDB as gimp_register_thumbnail_loader().
* app/pdb/fileops_cmds.c
* app/pdb/internal_procs.c
* libgimp/gimpfileops_pdb.[ch]: regenerated.
* app/core/gimpimagefile.c
* app/file/file-open.[ch]: when creating a thumbnail for an image
file, use a thumbnail load procedure if available.
* plug-ins/common/svg.c: added "file_svg_load_thumb", a procedure
that allows to load a small preview of the SVG image.