mirror of https://github.com/GNOME/gimp.git
213 lines
6.9 KiB
C
213 lines
6.9 KiB
C
/* GIMP - The GNU Image Manipulation Program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* gimppluginmanager-file.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 3 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, see <http://www.gnu.org/licenses/>.
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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 "file/file-procedure.h"
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#include "gimpplugin.h"
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#include "gimpplugindef.h"
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#include "gimppluginmanager.h"
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#include "gimppluginmanager-file.h"
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#include "gimppluginprocedure.h"
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/* public functions */
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gboolean
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gimp_plug_in_manager_register_load_handler (GimpPlugInManager *manager,
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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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GimpPlugInProcedure *file_proc;
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GimpProcedure *procedure;
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GSList *list;
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g_return_val_if_fail (GIMP_IS_PLUG_IN_MANAGER (manager), FALSE);
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g_return_val_if_fail (name != NULL, FALSE);
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if (manager->current_plug_in && manager->current_plug_in->plug_in_def)
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list = manager->current_plug_in->plug_in_def->procedures;
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else
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list = manager->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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gimp_message (manager->gimp, NULL, GIMP_MESSAGE_ERROR,
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"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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procedure = GIMP_PROCEDURE (file_proc);
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if ((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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gimp_message (manager->gimp, NULL, GIMP_MESSAGE_ERROR,
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"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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gimp_plug_in_procedure_set_file_proc (file_proc,
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extensions, prefixes, magics);
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if (! g_slist_find (manager->load_procs, file_proc))
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manager->load_procs = g_slist_prepend (manager->load_procs, file_proc);
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return TRUE;
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}
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gboolean
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gimp_plug_in_manager_register_save_handler (GimpPlugInManager *manager,
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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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GimpPlugInProcedure *file_proc;
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GimpProcedure *procedure;
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GSList *list;
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g_return_val_if_fail (GIMP_IS_PLUG_IN_MANAGER (manager), FALSE);
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g_return_val_if_fail (name != NULL, FALSE);
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if (manager->current_plug_in && manager->current_plug_in->plug_in_def)
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list = manager->current_plug_in->plug_in_def->procedures;
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else
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list = manager->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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gimp_message (manager->gimp, NULL, GIMP_MESSAGE_ERROR,
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"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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procedure = GIMP_PROCEDURE (file_proc);
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if ((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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gimp_message (manager->gimp, NULL, GIMP_MESSAGE_ERROR,
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"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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gimp_plug_in_procedure_set_file_proc (file_proc,
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extensions, prefixes, NULL);
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if (file_procedure_in_group (file_proc, FILE_PROCEDURE_GROUP_SAVE))
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{
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if (! g_slist_find (manager->save_procs, file_proc))
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manager->save_procs = g_slist_prepend (manager->save_procs, file_proc);
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}
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else
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{
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if (! g_slist_find (manager->export_procs, file_proc))
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manager->export_procs = g_slist_prepend (manager->export_procs, file_proc);
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}
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return TRUE;
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}
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gboolean
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gimp_plug_in_manager_register_mime_type (GimpPlugInManager *manager,
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const gchar *name,
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const gchar *mime_type)
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{
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GimpPlugInProcedure *file_proc;
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GSList *list;
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g_return_val_if_fail (GIMP_IS_PLUG_IN_MANAGER (manager), 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 (manager->current_plug_in && manager->current_plug_in->plug_in_def)
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list = manager->current_plug_in->plug_in_def->procedures;
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else
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list = manager->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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return FALSE;
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gimp_plug_in_procedure_set_mime_type (file_proc, mime_type);
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return TRUE;
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}
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gboolean
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gimp_plug_in_manager_register_thumb_loader (GimpPlugInManager *manager,
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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 *file_proc;
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GSList *list;
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g_return_val_if_fail (GIMP_IS_PLUG_IN_MANAGER (manager), 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 (manager->current_plug_in && manager->current_plug_in->plug_in_def)
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list = manager->current_plug_in->plug_in_def->procedures;
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else
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list = manager->plug_in_procedures;
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file_proc = gimp_plug_in_procedure_find (list, load_proc);
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if (! file_proc)
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return FALSE;
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gimp_plug_in_procedure_set_thumb_loader (file_proc, thumb_proc);
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return TRUE;
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}
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gboolean
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gimp_plug_in_manager_uri_has_exporter (GimpPlugInManager *manager,
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const gchar *uri)
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{
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return file_procedure_find (manager->export_procs, uri, NULL) != NULL;
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}
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