Adding upstream version 2.10.34.upstream/2.10.34upstream

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

1 files changed, 1224 insertions, 0 deletions

diff --git a/app/core/gimp.c b/app/core/gimp.c
new file mode 100644
index 0000000..ede44fe
--- /dev/null
+++ b/app/core/gimp.c
@@ -0,0 +1,1224 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995-2002 Spencer Kimball, Peter Mattis, and others
+ *
+ * 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> /* strlen */
+
+#include <gdk-pixbuf/gdk-pixbuf.h>
+#include <gegl.h>
+
+#include "libgimpbase/gimpbase.h"
+#include "libgimpconfig/gimpconfig.h"
+
+#include "core-types.h"
+
+#include "config/gimprc.h"
+
+#include "gegl/gimp-babl.h"
+
+#include "pdb/gimppdb.h"
+#include "pdb/gimp-pdb-compat.h"
+#include "pdb/internal-procs.h"
+
+#include "plug-in/gimppluginmanager.h"
+#include "plug-in/gimppluginmanager-restore.h"
+
+#include "paint/gimp-paint.h"
+
+#include "xcf/xcf.h"
+#include "file-data/file-data.h"
+
+#include "gimp.h"
+#include "gimp-contexts.h"
+#include "gimp-data-factories.h"
+#include "gimp-filter-history.h"
+#include "gimp-memsize.h"
+#include "gimp-modules.h"
+#include "gimp-parasites.h"
+#include "gimp-templates.h"
+#include "gimp-units.h"
+#include "gimp-utils.h"
+#include "gimpbrush.h"
+#include "gimpbuffer.h"
+#include "gimpcontext.h"
+#include "gimpdynamics.h"
+#include "gimpdocumentlist.h"
+#include "gimpgradient.h"
+#include "gimpidtable.h"
+#include "gimpimage.h"
+#include "gimpimagefile.h"
+#include "gimplist.h"
+#include "gimpmarshal.h"
+#include "gimpmybrush.h"
+#include "gimppalette.h"
+#include "gimpparasitelist.h"
+#include "gimppattern.h"
+#include "gimptemplate.h"
+#include "gimptoolinfo.h"
+#include "gimptreeproxy.h"
+
+#include "gimp-intl.h"
+
+
+enum
+{
+  INITIALIZE,
+  RESTORE,
+  EXIT,
+  CLIPBOARD_CHANGED,
+  FILTER_HISTORY_CHANGED,
+  IMAGE_OPENED,
+  LAST_SIGNAL
+};
+
+enum
+{
+  PROP_0,
+  PROP_VERBOSE
+};
+
+
+static void      gimp_constructed          (GObject           *object);
+static void      gimp_set_property         (GObject           *object,
+                                            guint              property_id,
+                                            const GValue      *value,
+                                            GParamSpec        *pspec);
+static void      gimp_get_property         (GObject           *object,
+                                            guint              property_id,
+                                            GValue            *value,
+                                            GParamSpec        *pspec);
+static void      gimp_dispose              (GObject           *object);
+static void      gimp_finalize             (GObject           *object);
+
+static gint64    gimp_get_memsize          (GimpObject        *object,
+                                            gint64            *gui_size);
+
+static void      gimp_real_initialize      (Gimp              *gimp,
+                                            GimpInitStatusFunc status_callback);
+static void      gimp_real_restore         (Gimp              *gimp,
+                                            GimpInitStatusFunc status_callback);
+static gboolean  gimp_real_exit            (Gimp              *gimp,
+                                            gboolean           force);
+
+static void      gimp_global_config_notify (GObject           *global_config,
+                                            GParamSpec        *param_spec,
+                                            GObject           *edit_config);
+static void      gimp_edit_config_notify   (GObject           *edit_config,
+                                            GParamSpec        *param_spec,
+                                            GObject           *global_config);
+
+
+G_DEFINE_TYPE (Gimp, gimp, GIMP_TYPE_OBJECT)
+
+#define parent_class gimp_parent_class
+
+static guint gimp_signals[LAST_SIGNAL] = { 0, };
+
+
+static void
+gimp_class_init (GimpClass *klass)
+{
+  GObjectClass    *object_class      = G_OBJECT_CLASS (klass);
+  GimpObjectClass *gimp_object_class = GIMP_OBJECT_CLASS (klass);
+
+  gimp_signals[INITIALIZE] =
+    g_signal_new ("initialize",
+                  G_TYPE_FROM_CLASS (klass),
+                  G_SIGNAL_RUN_LAST,
+                  G_STRUCT_OFFSET (GimpClass, initialize),
+                  NULL, NULL,
+                  gimp_marshal_VOID__POINTER,
+                  G_TYPE_NONE, 1,
+                  G_TYPE_POINTER);
+
+  gimp_signals[RESTORE] =
+    g_signal_new ("restore",
+                  G_TYPE_FROM_CLASS (klass),
+                  G_SIGNAL_RUN_LAST,
+                  G_STRUCT_OFFSET (GimpClass, restore),
+                  NULL, NULL,
+                  gimp_marshal_VOID__POINTER,
+                  G_TYPE_NONE, 1,
+                  G_TYPE_POINTER);
+
+  gimp_signals[EXIT] =
+    g_signal_new ("exit",
+                  G_TYPE_FROM_CLASS (klass),
+                  G_SIGNAL_RUN_LAST,
+                  G_STRUCT_OFFSET (GimpClass, exit),
+                  g_signal_accumulator_true_handled, NULL,
+                  gimp_marshal_BOOLEAN__BOOLEAN,
+                  G_TYPE_BOOLEAN, 1,
+                  G_TYPE_BOOLEAN);
+
+  gimp_signals[CLIPBOARD_CHANGED] =
+    g_signal_new ("clipboard-changed",
+                  G_TYPE_FROM_CLASS (klass),
+                  G_SIGNAL_RUN_LAST,
+                  G_STRUCT_OFFSET (GimpClass, clipboard_changed),
+                  NULL, NULL,
+                  gimp_marshal_VOID__VOID,
+                  G_TYPE_NONE, 0);
+
+  gimp_signals[FILTER_HISTORY_CHANGED] =
+    g_signal_new ("filter-history-changed",
+                  G_TYPE_FROM_CLASS (klass),
+                  G_SIGNAL_RUN_LAST,
+                  G_STRUCT_OFFSET (GimpClass,
+                                   filter_history_changed),
+                  NULL, NULL,
+                  gimp_marshal_VOID__VOID,
+                  G_TYPE_NONE, 0);
+
+  gimp_signals[IMAGE_OPENED] =
+    g_signal_new ("image-opened",
+                  G_TYPE_FROM_CLASS (klass),
+                  G_SIGNAL_RUN_LAST,
+                  G_STRUCT_OFFSET (GimpClass, image_opened),
+                  NULL, NULL,
+                  gimp_marshal_VOID__OBJECT,
+                  G_TYPE_NONE, 1, G_TYPE_FILE);
+
+  object_class->constructed      = gimp_constructed;
+  object_class->set_property     = gimp_set_property;
+  object_class->get_property     = gimp_get_property;
+  object_class->dispose          = gimp_dispose;
+  object_class->finalize         = gimp_finalize;
+
+  gimp_object_class->get_memsize = gimp_get_memsize;
+
+  klass->initialize              = gimp_real_initialize;
+  klass->restore                 = gimp_real_restore;
+  klass->exit                    = gimp_real_exit;
+  klass->clipboard_changed       = NULL;
+
+  g_object_class_install_property (object_class, PROP_VERBOSE,
+                                   g_param_spec_boolean ("verbose", NULL, NULL,
+                                                         FALSE,
+                                                         GIMP_PARAM_READWRITE |
+                                                         G_PARAM_CONSTRUCT_ONLY));
+}
+
+static void
+gimp_init (Gimp *gimp)
+{
+  gimp->be_verbose       = FALSE;
+  gimp->no_data          = FALSE;
+  gimp->no_interface     = FALSE;
+  gimp->show_gui         = TRUE;
+  gimp->use_shm          = FALSE;
+  gimp->use_cpu_accel    = TRUE;
+  gimp->message_handler  = GIMP_CONSOLE;
+  gimp->show_playground  = FALSE;
+  gimp->stack_trace_mode = GIMP_STACK_TRACE_NEVER;
+  gimp->pdb_compat_mode  = GIMP_PDB_COMPAT_OFF;
+
+  gimp_gui_init (gimp);
+
+  gimp->parasites = gimp_parasite_list_new ();
+
+  gimp_units_init (gimp);
+
+  gimp->images = gimp_list_new_weak (GIMP_TYPE_IMAGE, FALSE);
+  gimp_object_set_static_name (GIMP_OBJECT (gimp->images), "images");
+
+  gimp->next_guide_ID        = 1;
+  gimp->next_sample_point_ID = 1;
+  gimp->image_table          = gimp_id_table_new ();
+  gimp->item_table           = gimp_id_table_new ();
+
+  gimp->displays = g_object_new (GIMP_TYPE_LIST,
+                                 "children-type", GIMP_TYPE_OBJECT,
+                                 "policy",        GIMP_CONTAINER_POLICY_WEAK,
+                                 "append",        TRUE,
+                                 NULL);
+  gimp_object_set_static_name (GIMP_OBJECT (gimp->displays), "displays");
+  gimp->next_display_ID = 1;
+
+  gimp->named_buffers = gimp_list_new (GIMP_TYPE_BUFFER, TRUE);
+  gimp_object_set_static_name (GIMP_OBJECT (gimp->named_buffers),
+                               "named buffers");
+
+  gimp_data_factories_init (gimp);
+
+  gimp->tool_info_list = g_object_new (GIMP_TYPE_LIST,
+                                       "children-type", GIMP_TYPE_TOOL_INFO,
+                                       "append",        TRUE,
+                                       NULL);
+  gimp_object_set_static_name (GIMP_OBJECT (gimp->tool_info_list),
+                               "tool infos");
+
+  gimp->tool_item_list = g_object_new (GIMP_TYPE_LIST,
+                                       "children-type", GIMP_TYPE_TOOL_ITEM,
+                                       "append",        TRUE,
+                                       NULL);
+  gimp_object_set_static_name (GIMP_OBJECT (gimp->tool_item_list),
+                               "tool items");
+
+  gimp->tool_item_ui_list = gimp_tree_proxy_new_for_container (
+    gimp->tool_item_list);
+  gimp_object_set_static_name (GIMP_OBJECT (gimp->tool_item_ui_list),
+                               "ui tool items");
+
+  gimp->documents = gimp_document_list_new (gimp);
+
+  gimp->templates = gimp_list_new (GIMP_TYPE_TEMPLATE, TRUE);
+  gimp_object_set_static_name (GIMP_OBJECT (gimp->templates), "templates");
+}
+
+static void
+gimp_constructed (GObject *object)
+{
+  Gimp *gimp = GIMP (object);
+
+  G_OBJECT_CLASS (parent_class)->constructed (object);
+
+  gimp_modules_init (gimp);
+
+  gimp_paint_init (gimp);
+
+  gimp->plug_in_manager = gimp_plug_in_manager_new (gimp);
+  gimp->pdb             = gimp_pdb_new (gimp);
+
+  xcf_init (gimp);
+  file_data_init (gimp);
+
+  /*  create user and default context  */
+  gimp_contexts_init (gimp);
+}
+
+static void
+gimp_set_property (GObject           *object,
+                   guint              property_id,
+                   const GValue      *value,
+                   GParamSpec        *pspec)
+{
+  Gimp *gimp = GIMP (object);
+
+  switch (property_id)
+    {
+    case PROP_VERBOSE:
+      gimp->be_verbose = g_value_get_boolean (value);
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+      break;
+    }
+}
+
+static void
+gimp_get_property (GObject    *object,
+                   guint       property_id,
+                   GValue     *value,
+                   GParamSpec *pspec)
+{
+  Gimp *gimp = GIMP (object);
+
+  switch (property_id)
+    {
+    case PROP_VERBOSE:
+      g_value_set_boolean (value, gimp->be_verbose);
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+      break;
+    }
+}
+
+static void
+gimp_dispose (GObject *object)
+{
+  Gimp *gimp = GIMP (object);
+
+  if (gimp->be_verbose)
+    g_print ("EXIT: %s\n", G_STRFUNC);
+
+  gimp_data_factories_clear (gimp);
+
+  gimp_filter_history_clear (gimp);
+
+  g_clear_object (&gimp->edit_config);
+  g_clear_object (&gimp->config);
+
+  gimp_contexts_exit (gimp);
+
+  g_clear_object (&gimp->image_new_last_template);
+
+  G_OBJECT_CLASS (parent_class)->dispose (object);
+}
+
+static void
+gimp_finalize (GObject *object)
+{
+  Gimp  *gimp      = GIMP (object);
+  GList *standards = NULL;
+
+  if (gimp->be_verbose)
+    g_print ("EXIT: %s\n", G_STRFUNC);
+
+  standards = g_list_prepend (standards,
+                              gimp_brush_get_standard (gimp->user_context));
+  standards = g_list_prepend (standards,
+                              gimp_dynamics_get_standard (gimp->user_context));
+  standards = g_list_prepend (standards,
+                              gimp_mybrush_get_standard (gimp->user_context));
+  standards = g_list_prepend (standards,
+                              gimp_pattern_get_standard (gimp->user_context));
+  standards = g_list_prepend (standards,
+                              gimp_gradient_get_standard (gimp->user_context));
+  standards = g_list_prepend (standards,
+                              gimp_palette_get_standard (gimp->user_context));
+
+  g_clear_object (&gimp->templates);
+  g_clear_object (&gimp->documents);
+
+  gimp_tool_info_set_standard (gimp, NULL);
+
+  g_clear_object (&gimp->tool_item_list);
+  g_clear_object (&gimp->tool_item_ui_list);
+
+  if (gimp->tool_info_list)
+    {
+      gimp_container_foreach (gimp->tool_info_list,
+                              (GFunc) g_object_run_dispose, NULL);
+      g_clear_object (&gimp->tool_info_list);
+    }
+
+  file_data_exit (gimp);
+  xcf_exit (gimp);
+
+  g_clear_object (&gimp->pdb);
+
+  gimp_data_factories_exit (gimp);
+
+  g_clear_object (&gimp->named_buffers);
+  g_clear_object (&gimp->clipboard_buffer);
+  g_clear_object (&gimp->clipboard_image);
+  g_clear_object (&gimp->displays);
+  g_clear_object (&gimp->item_table);
+  g_clear_object (&gimp->image_table);
+  g_clear_object (&gimp->images);
+  g_clear_object (&gimp->plug_in_manager);
+
+  if (gimp->module_db)
+    gimp_modules_exit (gimp);
+
+  gimp_paint_exit (gimp);
+
+  g_clear_object (&gimp->parasites);
+  g_clear_object (&gimp->default_folder);
+
+  g_clear_pointer (&gimp->session_name, g_free);
+
+  if (gimp->context_list)
+    {
+      GList *list;
+
+      g_warning ("%s: list of contexts not empty upon exit (%d contexts left)\n",
+                 G_STRFUNC, g_list_length (gimp->context_list));
+
+      for (list = gimp->context_list; list; list = g_list_next (list))
+        g_printerr ("stale context: %s\n", gimp_object_get_name (list->data));
+
+      g_list_free (gimp->context_list);
+      gimp->context_list = NULL;
+    }
+
+  g_list_foreach (standards, (GFunc) g_object_unref, NULL);
+  g_list_free (standards);
+
+  gimp_units_exit (gimp);
+
+  G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static gint64
+gimp_get_memsize (GimpObject *object,
+                  gint64     *gui_size)
+{
+  Gimp   *gimp    = GIMP (object);
+  gint64  memsize = 0;
+
+  memsize += gimp_g_list_get_memsize (gimp->user_units, 0 /* FIXME */);
+
+  memsize += gimp_object_get_memsize (GIMP_OBJECT (gimp->parasites),
+                                      gui_size);
+
+  memsize += gimp_object_get_memsize (GIMP_OBJECT (gimp->paint_info_list),
+                                      gui_size);
+
+  memsize += gimp_g_object_get_memsize (G_OBJECT (gimp->module_db));
+  memsize += gimp_object_get_memsize (GIMP_OBJECT (gimp->plug_in_manager),
+                                      gui_size);
+
+  memsize += gimp_g_list_get_memsize_foreach (gimp->filter_history,
+                                              (GimpMemsizeFunc)
+                                              gimp_object_get_memsize,
+                                              gui_size);
+
+  memsize += gimp_object_get_memsize (GIMP_OBJECT (gimp->image_table), 0);
+  memsize += gimp_object_get_memsize (GIMP_OBJECT (gimp->item_table),  0);
+
+  memsize += gimp_object_get_memsize (GIMP_OBJECT (gimp->displays), gui_size);
+
+  memsize += gimp_object_get_memsize (GIMP_OBJECT (gimp->clipboard_image),
+                                      gui_size);
+  memsize += gimp_object_get_memsize (GIMP_OBJECT (gimp->clipboard_buffer),
+                                      gui_size);
+  memsize += gimp_object_get_memsize (GIMP_OBJECT (gimp->named_buffers),
+                                      gui_size);
+
+  memsize += gimp_data_factories_get_memsize (gimp, gui_size);
+
+  memsize += gimp_object_get_memsize (GIMP_OBJECT (gimp->pdb), gui_size);
+
+  memsize += gimp_object_get_memsize (GIMP_OBJECT (gimp->tool_info_list),
+                                      gui_size);
+  memsize += gimp_object_get_memsize (GIMP_OBJECT (gimp->standard_tool_info),
+                                      gui_size);
+  memsize += gimp_object_get_memsize (GIMP_OBJECT (gimp->documents),
+                                      gui_size);
+  memsize += gimp_object_get_memsize (GIMP_OBJECT (gimp->templates),
+                                      gui_size);
+  memsize += gimp_object_get_memsize (GIMP_OBJECT (gimp->image_new_last_template),
+                                      gui_size);
+
+  memsize += gimp_g_list_get_memsize (gimp->context_list, 0);
+
+  memsize += gimp_object_get_memsize (GIMP_OBJECT (gimp->default_context),
+                                      gui_size);
+  memsize += gimp_object_get_memsize (GIMP_OBJECT (gimp->user_context),
+                                      gui_size);
+
+  return memsize + GIMP_OBJECT_CLASS (parent_class)->get_memsize (object,
+                                                                  gui_size);
+}
+
+static void
+gimp_real_initialize (Gimp               *gimp,
+                      GimpInitStatusFunc  status_callback)
+{
+  if (gimp->be_verbose)
+    g_print ("INIT: %s\n", G_STRFUNC);
+
+  status_callback (_("Initialization"), NULL, 0.0);
+
+  /*  set the last values used to default values  */
+  gimp->image_new_last_template =
+    gimp_config_duplicate (GIMP_CONFIG (gimp->config->default_image));
+
+  /*  add data objects that need the user context  */
+  gimp_data_factories_add_builtin (gimp);
+
+  /*  register all internal procedures  */
+  status_callback (NULL, _("Internal Procedures"), 0.2);
+  internal_procs_init (gimp->pdb);
+  gimp_pdb_compat_procs_register (gimp->pdb, gimp->pdb_compat_mode);
+
+  gimp_plug_in_manager_initialize (gimp->plug_in_manager, status_callback);
+
+  status_callback (NULL, "", 1.0);
+}
+
+static void
+gimp_real_restore (Gimp               *gimp,
+                   GimpInitStatusFunc  status_callback)
+{
+  if (gimp->be_verbose)
+    g_print ("INIT: %s\n", G_STRFUNC);
+
+  gimp_plug_in_manager_restore (gimp->plug_in_manager,
+                                gimp_get_user_context (gimp), status_callback);
+
+  /*  initialize babl fishes  */
+  status_callback (_("Initialization"), "Babl Fishes", 0.0);
+  gimp_babl_init_fishes (status_callback);
+
+  gimp->restored = TRUE;
+}
+
+static gboolean
+gimp_real_exit (Gimp     *gimp,
+                gboolean  force)
+{
+  if (gimp->be_verbose)
+    g_print ("EXIT: %s\n", G_STRFUNC);
+
+  gimp_plug_in_manager_exit (gimp->plug_in_manager);
+  gimp_modules_unload (gimp);
+
+  gimp_data_factories_save (gimp);
+
+  gimp_templates_save (gimp);
+  gimp_parasiterc_save (gimp);
+  gimp_unitrc_save (gimp);
+
+  return FALSE; /* continue exiting */
+}
+
+Gimp *
+gimp_new (const gchar       *name,
+          const gchar       *session_name,
+          GFile             *default_folder,
+          gboolean           be_verbose,
+          gboolean           no_data,
+          gboolean           no_fonts,
+          gboolean           no_interface,
+          gboolean           use_shm,
+          gboolean           use_cpu_accel,
+          gboolean           console_messages,
+          gboolean           show_playground,
+          gboolean           show_debug_menu,
+          GimpStackTraceMode stack_trace_mode,
+          GimpPDBCompatMode  pdb_compat_mode)
+{
+  Gimp *gimp;
+
+  g_return_val_if_fail (name != NULL, NULL);
+
+  gimp = g_object_new (GIMP_TYPE_GIMP,
+                       "name",    name,
+                       "verbose", be_verbose ? TRUE : FALSE,
+                       NULL);
+
+  if (default_folder)
+    gimp->default_folder = g_object_ref (default_folder);
+
+  gimp->session_name     = g_strdup (session_name);
+  gimp->no_data          = no_data          ? TRUE : FALSE;
+  gimp->no_fonts         = no_fonts         ? TRUE : FALSE;
+  gimp->no_interface     = no_interface     ? TRUE : FALSE;
+  gimp->use_shm          = use_shm          ? TRUE : FALSE;
+  gimp->use_cpu_accel    = use_cpu_accel    ? TRUE : FALSE;
+  gimp->console_messages = console_messages ? TRUE : FALSE;
+  gimp->show_playground  = show_playground  ? TRUE : FALSE;
+  gimp->show_debug_menu  = show_debug_menu  ? TRUE : FALSE;
+  gimp->stack_trace_mode = stack_trace_mode;
+  gimp->pdb_compat_mode  = pdb_compat_mode;
+
+  return gimp;
+}
+
+/**
+ * gimp_set_show_gui:
+ * @gimp:
+ * @show:
+ *
+ * Test cases that tests the UI typically don't want any windows to be
+ * presented during the test run. Allow them to set this.
+ **/
+void
+gimp_set_show_gui (Gimp     *gimp,
+                   gboolean  show_gui)
+{
+  g_return_if_fail (GIMP_IS_GIMP (gimp));
+
+  gimp->show_gui = show_gui;
+}
+
+/**
+ * gimp_get_show_gui:
+ * @gimp:
+ *
+ * Returns: %TRUE if the GUI should be shown, %FALSE otherwise.
+ **/
+gboolean
+gimp_get_show_gui (Gimp *gimp)
+{
+  g_return_val_if_fail (GIMP_IS_GIMP (gimp), FALSE);
+
+  return gimp->show_gui;
+}
+
+static void
+gimp_global_config_notify (GObject    *global_config,
+                           GParamSpec *param_spec,
+                           GObject    *edit_config)
+{
+  GValue global_value = G_VALUE_INIT;
+  GValue edit_value   = G_VALUE_INIT;
+
+  g_value_init (&global_value, param_spec->value_type);
+  g_value_init (&edit_value,   param_spec->value_type);
+
+  g_object_get_property (global_config, param_spec->name, &global_value);
+  g_object_get_property (edit_config,   param_spec->name, &edit_value);
+
+  if (g_param_values_cmp (param_spec, &global_value, &edit_value))
+    {
+      g_signal_handlers_block_by_func (edit_config,
+                                       gimp_edit_config_notify,
+                                       global_config);
+
+      g_object_set_property (edit_config, param_spec->name, &global_value);
+
+      g_signal_handlers_unblock_by_func (edit_config,
+                                         gimp_edit_config_notify,
+                                         global_config);
+    }
+
+  g_value_unset (&global_value);
+  g_value_unset (&edit_value);
+}
+
+static void
+gimp_edit_config_notify (GObject    *edit_config,
+                         GParamSpec *param_spec,
+                         GObject    *global_config)
+{
+  GValue edit_value   = G_VALUE_INIT;
+  GValue global_value = G_VALUE_INIT;
+
+  g_value_init (&edit_value,   param_spec->value_type);
+  g_value_init (&global_value, param_spec->value_type);
+
+  g_object_get_property (edit_config,   param_spec->name, &edit_value);
+  g_object_get_property (global_config, param_spec->name, &global_value);
+
+  if (g_param_values_cmp (param_spec, &edit_value, &global_value))
+    {
+      if (param_spec->flags & GIMP_CONFIG_PARAM_RESTART)
+        {
+#ifdef GIMP_CONFIG_DEBUG
+          g_print ("NOT Applying edit_config change of '%s' to global_config "
+                   "because it needs restart\n",
+                   param_spec->name);
+#endif
+        }
+      else
+        {
+#ifdef GIMP_CONFIG_DEBUG
+          g_print ("Applying edit_config change of '%s' to global_config\n",
+                   param_spec->name);
+#endif
+          g_signal_handlers_block_by_func (global_config,
+                                           gimp_global_config_notify,
+                                           edit_config);
+
+          g_object_set_property (global_config, param_spec->name, &edit_value);
+
+          g_signal_handlers_unblock_by_func (global_config,
+                                             gimp_global_config_notify,
+                                             edit_config);
+        }
+    }
+
+  g_value_unset (&edit_value);
+  g_value_unset (&global_value);
+}
+
+void
+gimp_load_config (Gimp  *gimp,
+                  GFile *alternate_system_gimprc,
+                  GFile *alternate_gimprc)
+{
+  GimpRc *gimprc;
+
+  g_return_if_fail (GIMP_IS_GIMP (gimp));
+  g_return_if_fail (alternate_system_gimprc == NULL ||
+                    G_IS_FILE (alternate_system_gimprc));
+  g_return_if_fail (alternate_gimprc == NULL ||
+                    G_IS_FILE (alternate_gimprc));
+  g_return_if_fail (gimp->config == NULL);
+  g_return_if_fail (gimp->edit_config == NULL);
+
+  if (gimp->be_verbose)
+    g_print ("INIT: %s\n", G_STRFUNC);
+
+  /*  this needs to be done before gimprc loading because gimprc can
+   *  use user defined units
+   */
+  gimp_unitrc_load (gimp);
+
+  gimprc = gimp_rc_new (G_OBJECT (gimp),
+                        alternate_system_gimprc,
+                        alternate_gimprc,
+                        gimp->be_verbose);
+
+  gimp->config = GIMP_CORE_CONFIG (gimprc);
+
+  gimp->edit_config = gimp_config_duplicate (GIMP_CONFIG (gimp->config));
+
+  g_signal_connect_object (gimp->config, "notify",
+                           G_CALLBACK (gimp_global_config_notify),
+                           gimp->edit_config, 0);
+  g_signal_connect_object (gimp->edit_config, "notify",
+                           G_CALLBACK (gimp_edit_config_notify),
+                           gimp->config, 0);
+
+  if (! gimp->show_playground)
+    {
+      gboolean    use_opencl;
+      gboolean    use_npd_tool;
+      gboolean    use_seamless_clone_tool;
+
+      /* Playground preferences is shown by default for unstable
+       * versions and if the associated CLI option was set. Additionally
+       * we want to show it if any of the playground options had been
+       * enabled. Otherwise you might end up getting blocked with a
+       * playground feature and forget where you can even disable it.
+       *
+       * Also we check this once at start when loading config, and not
+       * inside preferences-dialog.c because we don't want to end up
+       * with inconsistent behavior where you open once the Preferences,
+       * deactivate features, then back to preferences and the tab is
+       * gone.
+       */
+
+      g_object_get (gimp->edit_config,
+                    "use-opencl",                     &use_opencl,
+                    "playground-npd-tool",            &use_npd_tool,
+                    "playground-seamless-clone-tool", &use_seamless_clone_tool,
+                    NULL);
+      if (use_opencl || use_npd_tool || use_seamless_clone_tool)
+        gimp->show_playground = TRUE;
+    }
+}
+
+void
+gimp_initialize (Gimp               *gimp,
+                 GimpInitStatusFunc  status_callback)
+{
+  g_return_if_fail (GIMP_IS_GIMP (gimp));
+  g_return_if_fail (status_callback != NULL);
+  g_return_if_fail (GIMP_IS_CORE_CONFIG (gimp->config));
+
+  if (gimp->be_verbose)
+    g_print ("INIT: %s\n", G_STRFUNC);
+
+  g_signal_emit (gimp, gimp_signals[INITIALIZE], 0, status_callback);
+}
+
+/**
+ * gimp_restore:
+ * @gimp: a #Gimp object
+ * @error: a #GError for uncessful loading.
+ *
+ * This function always succeeds. If present, @error may be filled for
+ * possible feedback on data which failed to load. It doesn't imply any
+ * fatale error.
+ **/
+void
+gimp_restore (Gimp                *gimp,
+              GimpInitStatusFunc   status_callback,
+              GError             **error)
+{
+  g_return_if_fail (GIMP_IS_GIMP (gimp));
+  g_return_if_fail (status_callback != NULL);
+
+  if (gimp->be_verbose)
+    g_print ("INIT: %s\n", G_STRFUNC);
+
+  /*  initialize  the global parasite table  */
+  status_callback (_("Looking for data files"), _("Parasites"), 0.0);
+  gimp_parasiterc_load (gimp);
+
+  /*  initialize the lists of gimp brushes, dynamics, patterns etc.  */
+  gimp_data_factories_load (gimp, status_callback);
+
+  /*  initialize the template list  */
+  status_callback (NULL, _("Templates"), 0.8);
+  gimp_templates_load (gimp);
+
+  /*  initialize the module list  */
+  status_callback (NULL, _("Modules"), 0.9);
+  gimp_modules_load (gimp);
+
+  g_signal_emit (gimp, gimp_signals[RESTORE], 0, status_callback);
+
+  /* when done, make sure everything is clean, to clean out dirty
+   * states from data objects which reference each other and got
+   * dirtied by loading the referenced object
+   */
+  gimp_data_factories_data_clean (gimp);
+}
+
+/**
+ * gimp_is_restored:
+ * @gimp: a #Gimp object
+ *
+ * Return value: %TRUE if GIMP is completely started, %FALSE otherwise.
+ **/
+gboolean
+gimp_is_restored (Gimp *gimp)
+{
+  g_return_val_if_fail (GIMP_IS_GIMP (gimp), FALSE);
+
+  return gimp->restored;
+}
+
+/**
+ * gimp_exit:
+ * @gimp: a #Gimp object
+ * @force: whether to force the application to quit
+ *
+ * Exit this GIMP session. Unless @force is %TRUE, the user is queried
+ * whether unsaved images should be saved and can cancel the operation.
+ **/
+void
+gimp_exit (Gimp     *gimp,
+           gboolean  force)
+{
+  gboolean  handled;
+  GList    *image_iter;
+
+  g_return_if_fail (GIMP_IS_GIMP (gimp));
+
+  if (gimp->be_verbose)
+    g_print ("EXIT: %s\n", G_STRFUNC);
+
+  g_signal_emit (gimp, gimp_signals[EXIT], 0,
+                 force ? TRUE : FALSE,
+                 &handled);
+
+  if (handled)
+    return;
+
+  /* Get rid of images without display. We do this *after* handling the
+   * usual exit callbacks, because the things that are torn down there
+   * might have references to these images (for instance GimpActions
+   * in the UI manager).
+   */
+  while ((image_iter = gimp_get_image_iter (gimp)))
+    {
+      GimpImage *image = image_iter->data;
+
+      g_object_unref (image);
+    }
+}
+
+GList *
+gimp_get_image_iter (Gimp *gimp)
+{
+  g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
+
+  return GIMP_LIST (gimp->images)->queue->head;
+}
+
+GList *
+gimp_get_display_iter (Gimp *gimp)
+{
+  g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
+
+  return GIMP_LIST (gimp->displays)->queue->head;
+}
+
+GList *
+gimp_get_image_windows (Gimp *gimp)
+{
+  g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
+
+  return g_list_copy (gimp->image_windows);
+}
+
+GList *
+gimp_get_paint_info_iter (Gimp *gimp)
+{
+  g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
+
+  return GIMP_LIST (gimp->paint_info_list)->queue->head;
+}
+
+GList *
+gimp_get_tool_info_iter (Gimp *gimp)
+{
+  g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
+
+  return GIMP_LIST (gimp->tool_info_list)->queue->head;
+}
+
+GList *
+gimp_get_tool_item_iter (Gimp *gimp)
+{
+  g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
+
+  return GIMP_LIST (gimp->tool_item_list)->queue->head;
+}
+
+GList *
+gimp_get_tool_item_ui_iter (Gimp *gimp)
+{
+  g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
+
+  return GIMP_LIST (gimp->tool_item_ui_list)->queue->head;
+}
+
+GimpObject *
+gimp_get_clipboard_object (Gimp *gimp)
+{
+  g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
+
+  if (gimp->clipboard_image)
+    return GIMP_OBJECT (gimp->clipboard_image);
+
+  return GIMP_OBJECT (gimp->clipboard_buffer);
+}
+
+void
+gimp_set_clipboard_image (Gimp      *gimp,
+                          GimpImage *image)
+{
+  g_return_if_fail (GIMP_IS_GIMP (gimp));
+  g_return_if_fail (image == NULL || GIMP_IS_IMAGE (image));
+
+  g_clear_object (&gimp->clipboard_buffer);
+  g_set_object (&gimp->clipboard_image, image);
+
+  /* we want the signal emission */
+  g_signal_emit (gimp, gimp_signals[CLIPBOARD_CHANGED], 0);
+}
+
+GimpImage *
+gimp_get_clipboard_image (Gimp *gimp)
+{
+  g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
+
+  return gimp->clipboard_image;
+}
+
+void
+gimp_set_clipboard_buffer (Gimp       *gimp,
+                           GimpBuffer *buffer)
+{
+  g_return_if_fail (GIMP_IS_GIMP (gimp));
+  g_return_if_fail (buffer == NULL || GIMP_IS_BUFFER (buffer));
+
+  g_clear_object (&gimp->clipboard_image);
+  g_set_object (&gimp->clipboard_buffer, buffer);
+
+  /* we want the signal emission */
+  g_signal_emit (gimp, gimp_signals[CLIPBOARD_CHANGED], 0);
+}
+
+GimpBuffer *
+gimp_get_clipboard_buffer (Gimp *gimp)
+{
+  g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
+
+  return gimp->clipboard_buffer;
+}
+
+GimpImage *
+gimp_create_image (Gimp              *gimp,
+                   gint               width,
+                   gint               height,
+                   GimpImageBaseType  type,
+                   GimpPrecision      precision,
+                   gboolean           attach_comment)
+{
+  GimpImage *image;
+
+  g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
+
+  image = gimp_image_new (gimp, width, height, type, precision);
+
+  if (attach_comment)
+    {
+      const gchar *comment;
+
+      comment = gimp_template_get_comment (gimp->config->default_image);
+
+      if (comment)
+        {
+          GimpParasite *parasite = gimp_parasite_new ("gimp-comment",
+                                                      GIMP_PARASITE_PERSISTENT,
+                                                      strlen (comment) + 1,
+                                                      comment);
+          gimp_image_parasite_attach (image, parasite, FALSE);
+          gimp_parasite_free (parasite);
+        }
+    }
+
+  return image;
+}
+
+void
+gimp_set_default_context (Gimp        *gimp,
+                          GimpContext *context)
+{
+  g_return_if_fail (GIMP_IS_GIMP (gimp));
+  g_return_if_fail (context == NULL || GIMP_IS_CONTEXT (context));
+
+  g_set_object (&gimp->default_context, context);
+}
+
+GimpContext *
+gimp_get_default_context (Gimp *gimp)
+{
+  g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
+
+  return gimp->default_context;
+}
+
+void
+gimp_set_user_context (Gimp        *gimp,
+                       GimpContext *context)
+{
+  g_return_if_fail (GIMP_IS_GIMP (gimp));
+  g_return_if_fail (context == NULL || GIMP_IS_CONTEXT (context));
+
+  g_set_object (&gimp->user_context, context);
+}
+
+GimpContext *
+gimp_get_user_context (Gimp *gimp)
+{
+  g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
+
+  return gimp->user_context;
+}
+
+GimpToolInfo *
+gimp_get_tool_info (Gimp        *gimp,
+                    const gchar *tool_id)
+{
+  gpointer info;
+
+  g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
+  g_return_val_if_fail (tool_id != NULL, NULL);
+
+  info = gimp_container_get_child_by_name (gimp->tool_info_list, tool_id);
+
+  return (GimpToolInfo *) info;
+}
+
+/**
+ * gimp_message:
+ * @gimp:     a pointer to the %Gimp object
+ * @handler:  either a %GimpProgress or a %GtkWidget pointer
+ * @severity: severity of the message
+ * @format:   printf-like format string
+ * @...:      arguments to use with @format
+ *
+ * Present a message to the user. How exactly the message is displayed
+ * depends on the @severity, the @handler object and user preferences.
+ **/
+void
+gimp_message (Gimp                *gimp,
+              GObject             *handler,
+              GimpMessageSeverity  severity,
+              const gchar         *format,
+              ...)
+{
+  va_list args;
+
+  va_start (args, format);
+
+  gimp_message_valist (gimp, handler, severity, format, args);
+
+  va_end (args);
+}
+
+/**
+ * gimp_message_valist:
+ * @gimp:     a pointer to the %Gimp object
+ * @handler:  either a %GimpProgress or a %GtkWidget pointer
+ * @severity: severity of the message
+ * @format:   printf-like format string
+ * @args:     arguments to use with @format
+ *
+ * See documentation for gimp_message().
+ **/
+void
+gimp_message_valist (Gimp                *gimp,
+                     GObject             *handler,
+                     GimpMessageSeverity  severity,
+                     const gchar         *format,
+                     va_list              args)
+{
+  gchar *message;
+
+  g_return_if_fail (GIMP_IS_GIMP (gimp));
+  g_return_if_fail (handler == NULL || G_IS_OBJECT (handler));
+  g_return_if_fail (format != NULL);
+
+  message = g_strdup_vprintf (format, args);
+
+  gimp_show_message (gimp, handler, severity, NULL, message);
+
+  g_free (message);
+}
+
+void
+gimp_message_literal (Gimp                *gimp,
+                      GObject             *handler,
+                      GimpMessageSeverity  severity,
+                      const gchar         *message)
+{
+  g_return_if_fail (GIMP_IS_GIMP (gimp));
+  g_return_if_fail (handler == NULL || G_IS_OBJECT (handler));
+  g_return_if_fail (message != NULL);
+
+  gimp_show_message (gimp, handler, severity, NULL, message);
+}
+
+void
+gimp_filter_history_changed (Gimp *gimp)
+{
+  g_return_if_fail (GIMP_IS_GIMP (gimp));
+
+  g_signal_emit (gimp, gimp_signals[FILTER_HISTORY_CHANGED], 0);
+}
+
+void
+gimp_image_opened (Gimp  *gimp,
+                   GFile *file)
+{
+  g_return_if_fail (GIMP_IS_GIMP (gimp));
+  g_return_if_fail (G_IS_FILE (file));
+
+  g_signal_emit (gimp, gimp_signals[IMAGE_OPENED], 0, file);
+}
+
+GFile *
+gimp_get_temp_file (Gimp        *gimp,
+                    const gchar *extension)
+{
+  static gint  id = 0;
+  static gint  pid;
+  gchar       *basename;
+  GFile       *dir;
+  GFile       *file;
+
+  g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
+
+  if (id == 0)
+    pid = gimp_get_pid ();
+
+  if (extension)
+    basename = g_strdup_printf ("gimp-temp-%d%d.%s", pid, id++, extension);
+  else
+    basename = g_strdup_printf ("gimp-temp-%d%d", pid, id++);
+
+  dir = gimp_file_new_for_config_path (GIMP_GEGL_CONFIG (gimp->config)->temp_path,
+                                       NULL);
+  if (! g_file_query_exists (dir, NULL))
+    {
+      /* Try to make the temp directory if it doesn't exist.
+       * Ignore any error.
+       */
+      g_file_make_directory_with_parents (dir, NULL, NULL);
+    }
+  file = g_file_get_child (dir, basename);
+  g_free (basename);
+  g_object_unref (dir);
+
+  return file;
+}