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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 03:13:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 03:13:10 +0000
commit3c57dd931145d43f2b0aef96c4d178135956bf91 (patch)
tree3de698981e9f0cc2c4f9569b19a5f3595e741f6b /app/plug-in/gimppluginmanager-file.c
parentInitial commit. (diff)
downloadgimp-3c57dd931145d43f2b0aef96c4d178135956bf91.tar.xz
gimp-3c57dd931145d43f2b0aef96c4d178135956bf91.zip
Adding upstream version 2.10.36.upstream/2.10.36
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'app/plug-in/gimppluginmanager-file.c')
-rw-r--r--app/plug-in/gimppluginmanager-file.c451
1 files changed, 451 insertions, 0 deletions
diff --git a/app/plug-in/gimppluginmanager-file.c b/app/plug-in/gimppluginmanager-file.c
new file mode 100644
index 0000000..4da5e55
--- /dev/null
+++ b/app/plug-in/gimppluginmanager-file.c
@@ -0,0 +1,451 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimppluginmanager-file.c
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <string.h>
+
+#include <gdk-pixbuf/gdk-pixbuf.h>
+#include <gegl.h>
+
+#include "plug-in-types.h"
+
+#include "core/gimp.h"
+#include "core/gimpparamspecs.h"
+
+#include "gimpplugin.h"
+#include "gimpplugindef.h"
+#include "gimppluginmanager.h"
+#include "gimppluginmanager-file.h"
+#include "gimppluginmanager-file-procedure.h"
+#include "gimppluginprocedure.h"
+
+
+static gboolean file_procedure_in_group (GimpPlugInProcedure *file_proc,
+ GimpFileProcedureGroup group);
+
+
+/* public functions */
+
+gboolean
+gimp_plug_in_manager_register_load_handler (GimpPlugInManager *manager,
+ const gchar *name,
+ const gchar *extensions,
+ const gchar *prefixes,
+ const gchar *magics)
+{
+ GimpPlugInProcedure *file_proc;
+ GimpProcedure *procedure;
+ GSList *list;
+
+ g_return_val_if_fail (GIMP_IS_PLUG_IN_MANAGER (manager), FALSE);
+ g_return_val_if_fail (name != NULL, FALSE);
+
+ if (manager->current_plug_in && manager->current_plug_in->plug_in_def)
+ list = manager->current_plug_in->plug_in_def->procedures;
+ else
+ list = manager->plug_in_procedures;
+
+ file_proc = gimp_plug_in_procedure_find (list, name);
+
+ if (! file_proc)
+ {
+ gimp_message (manager->gimp, NULL, GIMP_MESSAGE_ERROR,
+ "attempt to register nonexistent load handler \"%s\"",
+ name);
+ return FALSE;
+ }
+
+ procedure = GIMP_PROCEDURE (file_proc);
+
+ if ((procedure->num_args < 3) ||
+ (procedure->num_values < 1) ||
+ ! GIMP_IS_PARAM_SPEC_INT32 (procedure->args[0]) ||
+ ! G_IS_PARAM_SPEC_STRING (procedure->args[1]) ||
+ ! G_IS_PARAM_SPEC_STRING (procedure->args[2]) ||
+ ! GIMP_IS_PARAM_SPEC_IMAGE_ID (procedure->values[0]))
+ {
+ gimp_message (manager->gimp, NULL, GIMP_MESSAGE_ERROR,
+ "load handler \"%s\" does not take the standard "
+ "load handler args", name);
+ return FALSE;
+ }
+
+ gimp_plug_in_procedure_set_file_proc (file_proc,
+ extensions, prefixes, magics);
+
+ if (! g_slist_find (manager->load_procs, file_proc))
+ manager->load_procs = g_slist_prepend (manager->load_procs, file_proc);
+
+ return TRUE;
+}
+
+gboolean
+gimp_plug_in_manager_register_save_handler (GimpPlugInManager *manager,
+ const gchar *name,
+ const gchar *extensions,
+ const gchar *prefixes)
+{
+ GimpPlugInProcedure *file_proc;
+ GimpProcedure *procedure;
+ GSList *list;
+
+ g_return_val_if_fail (GIMP_IS_PLUG_IN_MANAGER (manager), FALSE);
+ g_return_val_if_fail (name != NULL, FALSE);
+
+ if (manager->current_plug_in && manager->current_plug_in->plug_in_def)
+ list = manager->current_plug_in->plug_in_def->procedures;
+ else
+ list = manager->plug_in_procedures;
+
+ file_proc = gimp_plug_in_procedure_find (list, name);
+
+ if (! file_proc)
+ {
+ gimp_message (manager->gimp, NULL, GIMP_MESSAGE_ERROR,
+ "attempt to register nonexistent save handler \"%s\"",
+ name);
+ return FALSE;
+ }
+
+ procedure = GIMP_PROCEDURE (file_proc);
+
+ if ((procedure->num_args < 5) ||
+ ! GIMP_IS_PARAM_SPEC_INT32 (procedure->args[0]) ||
+ ! GIMP_IS_PARAM_SPEC_IMAGE_ID (procedure->args[1]) ||
+ ! GIMP_IS_PARAM_SPEC_DRAWABLE_ID (procedure->args[2]) ||
+ ! G_IS_PARAM_SPEC_STRING (procedure->args[3]) ||
+ ! G_IS_PARAM_SPEC_STRING (procedure->args[4]))
+ {
+ gimp_message (manager->gimp, NULL, GIMP_MESSAGE_ERROR,
+ "save handler \"%s\" does not take the standard "
+ "save handler args", name);
+ return FALSE;
+ }
+
+ gimp_plug_in_procedure_set_file_proc (file_proc,
+ extensions, prefixes, NULL);
+
+ if (file_procedure_in_group (file_proc, GIMP_FILE_PROCEDURE_GROUP_SAVE))
+ {
+ if (! g_slist_find (manager->save_procs, file_proc))
+ manager->save_procs = g_slist_prepend (manager->save_procs, file_proc);
+ }
+
+ if (file_procedure_in_group (file_proc, GIMP_FILE_PROCEDURE_GROUP_EXPORT))
+ {
+ if (! g_slist_find (manager->export_procs, file_proc))
+ manager->export_procs = g_slist_prepend (manager->export_procs, file_proc);
+ }
+
+ return TRUE;
+}
+
+gboolean
+gimp_plug_in_manager_register_priority (GimpPlugInManager *manager,
+ const gchar *name,
+ gint priority)
+{
+ GimpPlugInProcedure *file_proc;
+ GSList *list;
+
+ g_return_val_if_fail (GIMP_IS_PLUG_IN_MANAGER (manager), FALSE);
+ g_return_val_if_fail (name != NULL, FALSE);
+
+ if (manager->current_plug_in && manager->current_plug_in->plug_in_def)
+ list = manager->current_plug_in->plug_in_def->procedures;
+ else
+ list = manager->plug_in_procedures;
+
+ file_proc = gimp_plug_in_procedure_find (list, name);
+
+ if (! file_proc)
+ return FALSE;
+
+ gimp_plug_in_procedure_set_priority (file_proc, priority);
+
+ return TRUE;
+}
+
+gboolean
+gimp_plug_in_manager_register_mime_types (GimpPlugInManager *manager,
+ const gchar *name,
+ const gchar *mime_types)
+{
+ GimpPlugInProcedure *file_proc;
+ GSList *list;
+
+ g_return_val_if_fail (GIMP_IS_PLUG_IN_MANAGER (manager), FALSE);
+ g_return_val_if_fail (name != NULL, FALSE);
+ g_return_val_if_fail (mime_types != NULL, FALSE);
+
+ if (manager->current_plug_in && manager->current_plug_in->plug_in_def)
+ list = manager->current_plug_in->plug_in_def->procedures;
+ else
+ list = manager->plug_in_procedures;
+
+ file_proc = gimp_plug_in_procedure_find (list, name);
+
+ if (! file_proc)
+ return FALSE;
+
+ gimp_plug_in_procedure_set_mime_types (file_proc, mime_types);
+
+ return TRUE;
+}
+
+gboolean
+gimp_plug_in_manager_register_handles_uri (GimpPlugInManager *manager,
+ const gchar *name)
+{
+ GimpPlugInProcedure *file_proc;
+ GSList *list;
+
+ g_return_val_if_fail (GIMP_IS_PLUG_IN_MANAGER (manager), FALSE);
+ g_return_val_if_fail (name != NULL, FALSE);
+
+ if (manager->current_plug_in && manager->current_plug_in->plug_in_def)
+ list = manager->current_plug_in->plug_in_def->procedures;
+ else
+ list = manager->plug_in_procedures;
+
+ file_proc = gimp_plug_in_procedure_find (list, name);
+
+ if (! file_proc)
+ return FALSE;
+
+ gimp_plug_in_procedure_set_handles_uri (file_proc);
+
+ return TRUE;
+}
+
+gboolean
+gimp_plug_in_manager_register_handles_raw (GimpPlugInManager *manager,
+ const gchar *name)
+{
+ GimpPlugInProcedure *file_proc;
+ GSList *list;
+
+ g_return_val_if_fail (GIMP_IS_PLUG_IN_MANAGER (manager), FALSE);
+ g_return_val_if_fail (name != NULL, FALSE);
+
+ if (manager->current_plug_in && manager->current_plug_in->plug_in_def)
+ list = manager->current_plug_in->plug_in_def->procedures;
+ else
+ list = manager->plug_in_procedures;
+
+ file_proc = gimp_plug_in_procedure_find (list, name);
+
+ if (! file_proc)
+ return FALSE;
+
+ gimp_plug_in_procedure_set_handles_raw (file_proc);
+
+ return TRUE;
+}
+
+gboolean
+gimp_plug_in_manager_register_thumb_loader (GimpPlugInManager *manager,
+ const gchar *load_proc,
+ const gchar *thumb_proc)
+{
+ GimpPlugInProcedure *file_proc;
+ GSList *list;
+
+ g_return_val_if_fail (GIMP_IS_PLUG_IN_MANAGER (manager), FALSE);
+ g_return_val_if_fail (load_proc, FALSE);
+ g_return_val_if_fail (thumb_proc, FALSE);
+
+ if (manager->current_plug_in && manager->current_plug_in->plug_in_def)
+ list = manager->current_plug_in->plug_in_def->procedures;
+ else
+ list = manager->plug_in_procedures;
+
+ file_proc = gimp_plug_in_procedure_find (list, load_proc);
+
+ if (! file_proc)
+ return FALSE;
+
+ gimp_plug_in_procedure_set_thumb_loader (file_proc, thumb_proc);
+
+ return TRUE;
+}
+
+GSList *
+gimp_plug_in_manager_get_file_procedures (GimpPlugInManager *manager,
+ GimpFileProcedureGroup group)
+{
+ g_return_val_if_fail (GIMP_IS_PLUG_IN_MANAGER (manager), NULL);
+
+ switch (group)
+ {
+ case GIMP_FILE_PROCEDURE_GROUP_NONE:
+ return NULL;
+
+ case GIMP_FILE_PROCEDURE_GROUP_OPEN:
+ return manager->display_load_procs;
+
+ case GIMP_FILE_PROCEDURE_GROUP_SAVE:
+ return manager->display_save_procs;
+
+ case GIMP_FILE_PROCEDURE_GROUP_EXPORT:
+ return manager->display_export_procs;
+
+ default:
+ g_return_val_if_reached (NULL);
+ }
+}
+
+GimpPlugInProcedure *
+gimp_plug_in_manager_file_procedure_find (GimpPlugInManager *manager,
+ GimpFileProcedureGroup group,
+ GFile *file,
+ GError **error)
+{
+ g_return_val_if_fail (GIMP_IS_PLUG_IN_MANAGER (manager), NULL);
+ g_return_val_if_fail (G_IS_FILE (file), NULL);
+ g_return_val_if_fail (error == NULL || *error == NULL, NULL);
+
+ switch (group)
+ {
+ case GIMP_FILE_PROCEDURE_GROUP_OPEN:
+ return file_procedure_find (manager->load_procs, file, error);
+
+ case GIMP_FILE_PROCEDURE_GROUP_SAVE:
+ return file_procedure_find (manager->save_procs, file, error);
+
+ case GIMP_FILE_PROCEDURE_GROUP_EXPORT:
+ return file_procedure_find (manager->export_procs, file, error);
+
+ default:
+ g_return_val_if_reached (NULL);
+ }
+}
+
+GimpPlugInProcedure *
+gimp_plug_in_manager_file_procedure_find_by_prefix (GimpPlugInManager *manager,
+ GimpFileProcedureGroup group,
+ GFile *file)
+{
+ g_return_val_if_fail (GIMP_IS_PLUG_IN_MANAGER (manager), NULL);
+ g_return_val_if_fail (G_IS_FILE (file), NULL);
+
+ switch (group)
+ {
+ case GIMP_FILE_PROCEDURE_GROUP_OPEN:
+ return file_procedure_find_by_prefix (manager->load_procs, file);
+
+ case GIMP_FILE_PROCEDURE_GROUP_SAVE:
+ return file_procedure_find_by_prefix (manager->save_procs, file);
+
+ case GIMP_FILE_PROCEDURE_GROUP_EXPORT:
+ return file_procedure_find_by_prefix (manager->export_procs, file);
+
+ default:
+ g_return_val_if_reached (NULL);
+ }
+}
+
+GimpPlugInProcedure *
+gimp_plug_in_manager_file_procedure_find_by_extension (GimpPlugInManager *manager,
+ GimpFileProcedureGroup group,
+ GFile *file)
+{
+ g_return_val_if_fail (GIMP_IS_PLUG_IN_MANAGER (manager), NULL);
+ g_return_val_if_fail (G_IS_FILE (file), NULL);
+
+ switch (group)
+ {
+ case GIMP_FILE_PROCEDURE_GROUP_OPEN:
+ return file_procedure_find_by_extension (manager->load_procs, file);
+
+ case GIMP_FILE_PROCEDURE_GROUP_SAVE:
+ return file_procedure_find_by_extension (manager->save_procs, file);
+
+ case GIMP_FILE_PROCEDURE_GROUP_EXPORT:
+ return file_procedure_find_by_extension (manager->export_procs, file);
+
+ default:
+ g_return_val_if_reached (NULL);
+ }
+}
+
+GimpPlugInProcedure *
+gimp_plug_in_manager_file_procedure_find_by_mime_type (GimpPlugInManager *manager,
+ GimpFileProcedureGroup group,
+ const gchar *mime_type)
+{
+ g_return_val_if_fail (GIMP_IS_PLUG_IN_MANAGER (manager), NULL);
+ g_return_val_if_fail (mime_type != NULL, NULL);
+
+ switch (group)
+ {
+ case GIMP_FILE_PROCEDURE_GROUP_OPEN:
+ return file_procedure_find_by_mime_type (manager->load_procs, mime_type);
+
+ case GIMP_FILE_PROCEDURE_GROUP_SAVE:
+ return file_procedure_find_by_mime_type (manager->save_procs, mime_type);
+
+ case GIMP_FILE_PROCEDURE_GROUP_EXPORT:
+ return file_procedure_find_by_mime_type (manager->export_procs, mime_type);
+
+ default:
+ g_return_val_if_reached (NULL);
+ }
+}
+
+
+/* private functions */
+
+static gboolean
+file_procedure_in_group (GimpPlugInProcedure *file_proc,
+ GimpFileProcedureGroup group)
+{
+ const gchar *name = gimp_object_get_name (file_proc);
+ gboolean is_xcf_save = FALSE;
+ gboolean is_filter = FALSE;
+
+ is_xcf_save = (strcmp (name, "gimp-xcf-save") == 0);
+
+ is_filter = (strcmp (name, "file-gz-save") == 0 ||
+ strcmp (name, "file-bz2-save") == 0 ||
+ strcmp (name, "file-xz-save") == 0);
+
+ switch (group)
+ {
+ case GIMP_FILE_PROCEDURE_GROUP_NONE:
+ return FALSE;
+
+ case GIMP_FILE_PROCEDURE_GROUP_SAVE:
+ /* Only .xcf shall pass */
+ return is_xcf_save || is_filter;
+
+ case GIMP_FILE_PROCEDURE_GROUP_EXPORT:
+ /* Anything but .xcf shall pass */
+ return ! is_xcf_save;
+
+ case GIMP_FILE_PROCEDURE_GROUP_OPEN:
+ /* No filter applied for Open */
+ return TRUE;
+
+ default:
+ case GIMP_FILE_PROCEDURE_GROUP_ANY:
+ return TRUE;
+ }
+}