mirror of
https://gitlab.gnome.org/GNOME/gimp
synced 2024-10-23 13:01:42 +00:00
196 lines
5.8 KiB
C
196 lines
5.8 KiB
C
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/* The GIMP -- an image manipulation program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* plug-ins.c
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include <glib-object.h>
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#include "plug-in-types.h"
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#include "core/gimp.h"
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#include "core/gimpparamspecs.h"
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#include "pdb/gimp-pdb.h"
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#include "pdb/gimppluginprocedure.h"
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#include "plug-in.h"
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#include "plug-in-def.h"
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#include "plug-in-file.h"
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/* public functions */
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gboolean
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plug_in_file_register_load_handler (Gimp *gimp,
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const gchar *name,
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const gchar *extensions,
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const gchar *prefixes,
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const gchar *magics)
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{
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GimpProcedure *procedure;
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GimpPlugInProcedure *file_proc;
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GSList *list;
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g_return_val_if_fail (GIMP_IS_GIMP (gimp), FALSE);
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g_return_val_if_fail (name != NULL, FALSE);
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procedure = gimp_pdb_lookup (gimp, name);
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if (procedure &&
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((procedure->num_args < 3) ||
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(procedure->num_values < 1) ||
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! GIMP_IS_PARAM_SPEC_INT32 (procedure->args[0]) ||
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! G_IS_PARAM_SPEC_STRING (procedure->args[1]) ||
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! G_IS_PARAM_SPEC_STRING (procedure->args[2]) ||
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! GIMP_IS_PARAM_SPEC_IMAGE_ID (procedure->values[0])))
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{
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g_message ("load handler \"%s\" does not take the standard "
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"load handler args", name);
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return FALSE;
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}
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if (gimp->current_plug_in && gimp->current_plug_in->plug_in_def)
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list = gimp->current_plug_in->plug_in_def->procedures;
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else
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list = gimp->plug_in_procedures;
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file_proc = gimp_plug_in_procedure_find (list, name);
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if (! file_proc)
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{
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g_message ("attempt to register nonexistent load handler \"%s\"",
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name);
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return FALSE;
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}
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gimp_plug_in_procedure_set_file_proc (file_proc,
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extensions, prefixes, magics);
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if (! g_slist_find (gimp->load_procs, file_proc))
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gimp->load_procs = g_slist_prepend (gimp->load_procs, file_proc);
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return TRUE;
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}
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gboolean
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plug_in_file_register_save_handler (Gimp *gimp,
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const gchar *name,
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const gchar *extensions,
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const gchar *prefixes)
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{
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GimpProcedure *procedure;
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GimpPlugInProcedure *file_proc;
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GSList *list;
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g_return_val_if_fail (GIMP_IS_GIMP (gimp), FALSE);
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g_return_val_if_fail (name != NULL, FALSE);
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procedure = gimp_pdb_lookup (gimp, name);
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if (procedure &&
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((procedure->num_args < 5) ||
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! GIMP_IS_PARAM_SPEC_INT32 (procedure->args[0]) ||
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! GIMP_IS_PARAM_SPEC_IMAGE_ID (procedure->args[1]) ||
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! GIMP_IS_PARAM_SPEC_DRAWABLE_ID (procedure->args[2]) ||
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! G_IS_PARAM_SPEC_STRING (procedure->args[3]) ||
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! G_IS_PARAM_SPEC_STRING (procedure->args[4])))
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{
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g_message ("save handler \"%s\" does not take the standard "
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"save handler args", name);
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return FALSE;
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}
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if (gimp->current_plug_in && gimp->current_plug_in->plug_in_def)
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list = gimp->current_plug_in->plug_in_def->procedures;
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else
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list = gimp->plug_in_procedures;
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file_proc = gimp_plug_in_procedure_find (list, name);
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if (! file_proc)
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{
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g_message ("attempt to register nonexistent save handler \"%s\"",
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name);
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return FALSE;
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}
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gimp_plug_in_procedure_set_file_proc (file_proc,
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extensions, prefixes, NULL);
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if (! g_slist_find (gimp->save_procs, file_proc))
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gimp->save_procs = g_slist_prepend (gimp->save_procs, file_proc);
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return TRUE;
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}
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gboolean
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plug_in_file_register_mime_type (Gimp *gimp,
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const gchar *name,
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const gchar *mime_type)
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{
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GimpPlugInProcedure *proc;
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GSList *list;
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g_return_val_if_fail (GIMP_IS_GIMP (gimp), FALSE);
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g_return_val_if_fail (name != NULL, FALSE);
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g_return_val_if_fail (mime_type != NULL, FALSE);
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if (gimp->current_plug_in && gimp->current_plug_in->plug_in_def)
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list = gimp->current_plug_in->plug_in_def->procedures;
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else
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list = gimp->plug_in_procedures;
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proc = gimp_plug_in_procedure_find (list, name);
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if (! proc)
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return FALSE;
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gimp_plug_in_procedure_set_mime_type (proc, mime_type);
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return TRUE;
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}
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gboolean
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plug_in_file_register_thumb_loader (Gimp *gimp,
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const gchar *load_proc,
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const gchar *thumb_proc)
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{
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GimpPlugInProcedure *proc;
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GSList *list;
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g_return_val_if_fail (GIMP_IS_GIMP (gimp), FALSE);
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g_return_val_if_fail (load_proc, FALSE);
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g_return_val_if_fail (thumb_proc, FALSE);
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if (gimp->current_plug_in && gimp->current_plug_in->plug_in_def)
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list = gimp->current_plug_in->plug_in_def->procedures;
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else
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list = gimp->plug_in_procedures;
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proc = gimp_plug_in_procedure_find (list, load_proc);
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if (! proc)
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return FALSE;
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gimp_plug_in_procedure_set_thumb_loader (proc, thumb_proc);
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return TRUE;
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}
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