469 lines
17 KiB
C
469 lines
17 KiB
C
/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* pikageglprocedure.c
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* Copyright (C) 2016-2018 Michael Natterer <mitch@gimp.org>
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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 <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <string.h>
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#include <gegl.h>
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#include <gtk/gtk.h>
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#include "libpikabase/pikabase.h"
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#include "libpikaconfig/pikaconfig.h"
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#include "actions-types.h"
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#include "config/pikaguiconfig.h"
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#include "operations/pika-operation-config.h"
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#include "operations/pikaoperationsettings.h"
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#include "core/pika.h"
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#include "core/pika-memsize.h"
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#include "core/pikacontainer.h"
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#include "core/pikacontext.h"
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#include "core/pikadisplay.h"
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#include "core/pikadrawable-operation.h"
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#include "core/pikaimage.h"
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#include "core/pikalayermask.h"
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#include "core/pikaparamspecs.h"
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#include "core/pikasettings.h"
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#include "core/pikatoolinfo.h"
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#include "tools/pikaoperationtool.h"
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#include "tools/tool_manager.h"
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#include "pikageglprocedure.h"
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#include "pika-intl.h"
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static void pika_gegl_procedure_finalize (GObject *object);
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static gint64 pika_gegl_procedure_get_memsize (PikaObject *object,
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gint64 *gui_size);
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static gchar * pika_gegl_procedure_get_description (PikaViewable *viewable,
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gchar **tooltip);
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static const gchar * pika_gegl_procedure_get_menu_label (PikaProcedure *procedure);
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static gboolean pika_gegl_procedure_get_sensitive (PikaProcedure *procedure,
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PikaObject *object,
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const gchar **reason);
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static PikaValueArray * pika_gegl_procedure_execute (PikaProcedure *procedure,
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Pika *pika,
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PikaContext *context,
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PikaProgress *progress,
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PikaValueArray *args,
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GError **error);
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static void pika_gegl_procedure_execute_async (PikaProcedure *procedure,
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Pika *pika,
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PikaContext *context,
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PikaProgress *progress,
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PikaValueArray *args,
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PikaDisplay *display);
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G_DEFINE_TYPE (PikaGeglProcedure, pika_gegl_procedure,
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PIKA_TYPE_PROCEDURE)
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#define parent_class pika_gegl_procedure_parent_class
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static void
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pika_gegl_procedure_class_init (PikaGeglProcedureClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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PikaObjectClass *pika_object_class = PIKA_OBJECT_CLASS (klass);
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PikaViewableClass *viewable_class = PIKA_VIEWABLE_CLASS (klass);
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PikaProcedureClass *proc_class = PIKA_PROCEDURE_CLASS (klass);
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object_class->finalize = pika_gegl_procedure_finalize;
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pika_object_class->get_memsize = pika_gegl_procedure_get_memsize;
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viewable_class->default_icon_name = "pika-gegl";
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viewable_class->get_description = pika_gegl_procedure_get_description;
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proc_class->get_menu_label = pika_gegl_procedure_get_menu_label;
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proc_class->get_sensitive = pika_gegl_procedure_get_sensitive;
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proc_class->execute = pika_gegl_procedure_execute;
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proc_class->execute_async = pika_gegl_procedure_execute_async;
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}
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static void
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pika_gegl_procedure_init (PikaGeglProcedure *proc)
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{
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}
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static void
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pika_gegl_procedure_finalize (GObject *object)
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{
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PikaGeglProcedure *proc = PIKA_GEGL_PROCEDURE (object);
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g_clear_object (&proc->default_settings);
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g_clear_pointer (&proc->operation, g_free);
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g_clear_pointer (&proc->menu_label, g_free);
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static gint64
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pika_gegl_procedure_get_memsize (PikaObject *object,
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gint64 *gui_size)
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{
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PikaGeglProcedure *proc = PIKA_GEGL_PROCEDURE (object);
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gint64 memsize = 0;
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memsize += pika_string_get_memsize (proc->operation);
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memsize += pika_string_get_memsize (proc->menu_label);
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return memsize + PIKA_OBJECT_CLASS (parent_class)->get_memsize (object,
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gui_size);
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}
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static gchar *
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pika_gegl_procedure_get_description (PikaViewable *viewable,
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gchar **tooltip)
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{
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PikaProcedure *procedure = PIKA_PROCEDURE (viewable);
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if (tooltip)
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*tooltip = g_strdup (pika_procedure_get_blurb (procedure));
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return g_strdup (pika_procedure_get_label (procedure));
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}
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static const gchar *
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pika_gegl_procedure_get_menu_label (PikaProcedure *procedure)
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{
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PikaGeglProcedure *proc = PIKA_GEGL_PROCEDURE (procedure);
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if (proc->menu_label)
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return proc->menu_label;
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return PIKA_PROCEDURE_CLASS (parent_class)->get_menu_label (procedure);
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}
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static gboolean
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pika_gegl_procedure_get_sensitive (PikaProcedure *procedure,
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PikaObject *object,
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const gchar **reason)
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{
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PikaImage *image = PIKA_IMAGE (object);
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GList *drawables = NULL;
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gboolean sensitive = FALSE;
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if (image)
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drawables = pika_image_get_selected_drawables (image);
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if (g_list_length (drawables) == 1)
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{
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PikaDrawable *drawable = drawables->data;
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PikaItem *item;
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if (PIKA_IS_LAYER_MASK (drawable))
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item = PIKA_ITEM (pika_layer_mask_get_layer (PIKA_LAYER_MASK (drawable)));
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else
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item = PIKA_ITEM (drawable);
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sensitive = ! pika_item_is_content_locked (item, NULL);
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if (pika_viewable_get_children (PIKA_VIEWABLE (drawable)))
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sensitive = FALSE;
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}
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g_list_free (drawables);
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return sensitive;
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}
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static PikaValueArray *
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pika_gegl_procedure_execute (PikaProcedure *procedure,
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Pika *pika,
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PikaContext *context,
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PikaProgress *progress,
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PikaValueArray *args,
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GError **error)
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{
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PikaImage *image;
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gint n_drawables;
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GObject **drawables;
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GObject *config;
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image = g_value_get_object (pika_value_array_index (args, 1));
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n_drawables = g_value_get_int (pika_value_array_index (args, 2));
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drawables = pika_value_get_object_array (pika_value_array_index (args, 3));
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config = g_value_get_object (pika_value_array_index (args, 4));
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if (n_drawables == 1)
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{
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GeglNode *node;
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node = gegl_node_new_child (NULL,
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"operation",
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PIKA_GEGL_PROCEDURE (procedure)->operation,
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NULL);
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pika_drawable_apply_operation_with_config (PIKA_DRAWABLE (drawables[0]),
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progress,
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pika_procedure_get_label (procedure),
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node, config);
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g_object_unref (node);
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pika_image_flush (image);
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return pika_procedure_get_return_values (procedure, TRUE, NULL);
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}
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return pika_procedure_get_return_values (procedure, FALSE, NULL);
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}
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static void
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pika_gegl_procedure_execute_async (PikaProcedure *procedure,
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Pika *pika,
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PikaContext *context,
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PikaProgress *progress,
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PikaValueArray *args,
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PikaDisplay *display)
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{
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PikaGeglProcedure *gegl_procedure = PIKA_GEGL_PROCEDURE (procedure);
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PikaRunMode run_mode;
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PikaObject *settings;
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PikaTool *active_tool;
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const gchar *tool_name;
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run_mode = g_value_get_enum (pika_value_array_index (args, 0));
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settings = g_value_get_object (pika_value_array_index (args, 4));
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if (! settings &&
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(run_mode != PIKA_RUN_INTERACTIVE ||
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PIKA_GUI_CONFIG (pika->config)->filter_tool_use_last_settings))
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{
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/* if we didn't get settings passed, get the last used settings */
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GType config_type;
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PikaContainer *container;
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config_type = G_VALUE_TYPE (pika_value_array_index (args, 4));
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container = pika_operation_config_get_container (pika, config_type,
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(GCompareFunc)
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pika_settings_compare);
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settings = pika_container_get_child_by_index (container, 0);
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/* only use the settings if they are automatically created
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* "last used" values, not if they were saved explicitly and
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* have a zero timestamp; and if they are not a separator.
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*/
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if (settings &&
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(PIKA_SETTINGS (settings)->time == 0 ||
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! pika_object_get_name (settings)))
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{
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settings = NULL;
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}
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}
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if (run_mode == PIKA_RUN_NONINTERACTIVE ||
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run_mode == PIKA_RUN_WITH_LAST_VALS)
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{
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if (settings || run_mode == PIKA_RUN_NONINTERACTIVE)
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{
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PikaValueArray *return_vals;
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g_value_set_object (pika_value_array_index (args, 4), settings);
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return_vals = pika_procedure_execute (procedure, pika, context, progress,
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args, NULL);
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pika_value_array_unref (return_vals);
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return;
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}
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pika_message (pika,
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G_OBJECT (progress), PIKA_MESSAGE_WARNING,
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_("There are no last settings for '%s', "
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"showing the filter dialog instead."),
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pika_procedure_get_label (procedure));
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}
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if (! strcmp (gegl_procedure->operation, "pika:brightness-contrast"))
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{
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tool_name = "pika-brightness-contrast-tool";
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}
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else if (! strcmp (gegl_procedure->operation, "pika:curves"))
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{
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tool_name = "pika-curves-tool";
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}
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else if (! strcmp (gegl_procedure->operation, "pika:levels"))
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{
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tool_name = "pika-levels-tool";
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}
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else if (! strcmp (gegl_procedure->operation, "pika:threshold"))
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{
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tool_name = "pika-threshold-tool";
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}
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else if (! strcmp (gegl_procedure->operation, "pika:offset"))
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{
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tool_name = "pika-offset-tool";
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}
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else
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{
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tool_name = "pika-operation-tool";
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}
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active_tool = tool_manager_get_active (pika);
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/* do not use the passed context because we need to set the active
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* tool on the global user context
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*/
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context = pika_get_user_context (pika);
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if (strcmp (pika_object_get_name (active_tool->tool_info), tool_name))
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{
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PikaToolInfo *tool_info = pika_get_tool_info (pika, tool_name);
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if (PIKA_IS_TOOL_INFO (tool_info))
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pika_context_set_tool (context, tool_info);
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}
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else
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{
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pika_context_tool_changed (context);
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}
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active_tool = tool_manager_get_active (pika);
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if (! strcmp (pika_object_get_name (active_tool->tool_info), tool_name))
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{
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/* Remember the procedure that created this tool, because
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* we can't just switch to an operation tool using
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* pika_context_set_tool(), we also have to go through the
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* initialization code below, otherwise we end up with a
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* dummy tool that does nothing. See bug #776370.
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*/
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g_object_set_data_full (G_OBJECT (active_tool), "pika-gegl-procedure",
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g_object_ref (procedure),
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(GDestroyNotify) g_object_unref);
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if (! strcmp (tool_name, "pika-operation-tool"))
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{
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pika_operation_tool_set_operation (PIKA_OPERATION_TOOL (active_tool),
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gegl_procedure->operation,
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pika_procedure_get_label (procedure),
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pika_procedure_get_label (procedure),
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pika_procedure_get_label (procedure),
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pika_viewable_get_icon_name (PIKA_VIEWABLE (procedure)),
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pika_procedure_get_help_id (procedure));
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}
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tool_manager_initialize_active (pika, display);
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if (settings)
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pika_filter_tool_set_config (PIKA_FILTER_TOOL (active_tool),
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PIKA_CONFIG (settings));
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}
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}
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/* public functions */
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PikaProcedure *
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pika_gegl_procedure_new (Pika *pika,
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PikaRunMode default_run_mode,
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PikaObject *default_settings,
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const gchar *operation,
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const gchar *name,
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const gchar *menu_label,
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const gchar *tooltip,
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const gchar *icon_name,
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const gchar *help_id)
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{
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PikaProcedure *procedure;
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PikaGeglProcedure *gegl_procedure;
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GType config_type;
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g_return_val_if_fail (PIKA_IS_PIKA (pika), NULL);
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g_return_val_if_fail (operation != NULL, NULL);
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g_return_val_if_fail (name != NULL, NULL);
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g_return_val_if_fail (menu_label != NULL, NULL);
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config_type = pika_operation_config_get_type (pika, operation, icon_name,
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PIKA_TYPE_OPERATION_SETTINGS);
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procedure = g_object_new (PIKA_TYPE_GEGL_PROCEDURE, NULL);
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gegl_procedure = PIKA_GEGL_PROCEDURE (procedure);
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gegl_procedure->operation = g_strdup (operation);
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gegl_procedure->default_run_mode = default_run_mode;
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gegl_procedure->menu_label = g_strdup (menu_label);
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if (default_settings)
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gegl_procedure->default_settings = g_object_ref (default_settings);
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pika_object_set_name (PIKA_OBJECT (procedure), name);
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pika_viewable_set_icon_name (PIKA_VIEWABLE (procedure), icon_name);
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pika_procedure_set_help (procedure,
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tooltip,
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tooltip,
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help_id);
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pika_procedure_set_static_attribution (procedure,
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"author", "copyright", "date");
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pika_procedure_add_argument (procedure,
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pika_param_spec_enum ("run-mode",
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"Run mode",
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"Run mode",
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PIKA_TYPE_RUN_MODE,
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PIKA_RUN_INTERACTIVE,
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PIKA_PARAM_READWRITE));
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pika_procedure_add_argument (procedure,
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pika_param_spec_image ("image",
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"Image",
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"Input image",
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FALSE,
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PIKA_PARAM_READWRITE));
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pika_procedure_add_argument (procedure,
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g_param_spec_int ("num-drawables",
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"N drawables",
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"The number of drawables",
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0, G_MAXINT32, 0,
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PIKA_PARAM_READWRITE));
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pika_procedure_add_argument (procedure,
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pika_param_spec_object_array ("drawables",
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"Drawables",
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"Input drawables",
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PIKA_TYPE_DRAWABLE,
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PIKA_PARAM_READWRITE));
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pika_procedure_add_argument (procedure,
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g_param_spec_object ("settings",
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"Settings",
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"Settings",
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config_type,
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PIKA_PARAM_READWRITE));
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return procedure;
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}
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