Adding upstream version 2.10.22.upstream/2.10.22upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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;
+    }
+}