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gimp/app/operations/gimp-operation-config.c

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* 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 <cairo.h>
#include <gegl.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpcolor/gimpcolor.h"
#include "libgimpconfig/gimpconfig.h"
#include "operations-types.h"
#include "core/gimp.h"
#include "core/gimplist.h"
#include "core/gimpviewable.h"
#include "gegl/gimp-gegl-utils.h"
#include "gimp-operation-config.h"
/* local function prototypes */
static void gimp_operation_config_config_sync (GObject *config,
const GParamSpec *gimp_pspec,
GeglNode *node);
static void gimp_operation_config_config_notify (GObject *config,
const GParamSpec *gimp_pspec,
GeglNode *node);
static void gimp_operation_config_node_notify (GeglNode *node,
const GParamSpec *gegl_pspec,
GObject *config);
static GFile * gimp_operation_config_get_file (GType config_type);
static void gimp_operation_config_add_sep (GimpContainer *container);
static void gimp_operation_config_remove_sep (GimpContainer *container);
/* public functions */
static GHashTable *
gimp_operation_config_get_type_table (Gimp *gimp)
{
static GHashTable *config_types = NULL;
if (! config_types)
config_types = g_hash_table_new_full (g_str_hash,
g_str_equal,
(GDestroyNotify) g_free,
NULL);
return config_types;
}
static GHashTable *
gimp_operation_config_get_container_table (Gimp *gimp)
{
static GHashTable *config_containers = NULL;
if (! config_containers)
config_containers = g_hash_table_new_full (g_direct_hash,
g_direct_equal,
NULL,
(GDestroyNotify) g_object_unref);
return config_containers;
}
/* public functions */
void
gimp_operation_config_register (Gimp *gimp,
const gchar *operation,
GType config_type)
{
GHashTable *config_types;
g_return_if_fail (GIMP_IS_GIMP (gimp));
g_return_if_fail (operation != NULL);
g_return_if_fail (g_type_is_a (config_type, GIMP_TYPE_OBJECT));
config_types = gimp_operation_config_get_type_table (gimp);
g_hash_table_insert (config_types,
g_strdup (operation),
(gpointer) config_type);
}
GType
gimp_operation_config_get_type (Gimp *gimp,
const gchar *operation,
const gchar *icon_name,
GType parent_type)
{
GHashTable *config_types;
GType config_type;
g_return_val_if_fail (GIMP_IS_GIMP (gimp), G_TYPE_NONE);
g_return_val_if_fail (operation != NULL, G_TYPE_NONE);
g_return_val_if_fail (g_type_is_a (parent_type, GIMP_TYPE_OBJECT),
G_TYPE_NONE);
config_types = gimp_operation_config_get_type_table (gimp);
config_type = (GType) g_hash_table_lookup (config_types, operation);
if (! config_type)
{
GParamSpec **pspecs;
guint n_pspecs;
gchar *type_name;
gint i, j;
pspecs = gegl_operation_list_properties (operation, &n_pspecs);
for (i = 0, j = 0; i < n_pspecs; i++)
{
GParamSpec *pspec = pspecs[i];
if ((pspec->flags & G_PARAM_READABLE) &&
(pspec->flags & G_PARAM_WRITABLE) &&
strcmp (pspec->name, "input") &&
strcmp (pspec->name, "output"))
{
pspecs[j] = pspec;
j++;
}
}
n_pspecs = j;
type_name = g_strdup_printf ("GimpGegl-%s-config", operation);
g_strcanon (type_name,
G_CSET_DIGITS "-" G_CSET_a_2_z G_CSET_A_2_Z, '-');
config_type = gimp_config_type_register (parent_type,
type_name,
pspecs, n_pspecs);
g_free (pspecs);
g_free (type_name);
if (icon_name && g_type_is_a (config_type, GIMP_TYPE_VIEWABLE))
{
GimpViewableClass *viewable_class = g_type_class_ref (config_type);
viewable_class->default_icon_name = g_strdup (icon_name);
g_type_class_unref (viewable_class);
}
gimp_operation_config_register (gimp, operation, config_type);
}
return config_type;
}
GimpContainer *
gimp_operation_config_get_container (Gimp *gimp,
GType config_type,
GCompareFunc sort_func)
{
GHashTable *config_containers;
GimpContainer *container;
g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
g_return_val_if_fail (g_type_is_a (config_type, GIMP_TYPE_OBJECT), NULL);
config_containers = gimp_operation_config_get_container_table (gimp);
container = g_hash_table_lookup (config_containers, (gpointer) config_type);
if (! container)
{
container = gimp_list_new (config_type, TRUE);
gimp_list_set_sort_func (GIMP_LIST (container), sort_func);
g_hash_table_insert (config_containers,
(gpointer) config_type, container);
gimp_operation_config_deserialize (gimp, container, NULL);
if (gimp_container_get_n_children (container) == 0)
{
GFile *file = gimp_operation_config_get_file (config_type);
if (! g_file_query_exists (file, NULL))
{
GQuark quark = g_quark_from_static_string ("compat-file");
GFile *compat_file;
compat_file = g_type_get_qdata (config_type, quark);
if (compat_file)
{
if (! g_file_move (compat_file, file, 0,
NULL, NULL, NULL, NULL))
{
gimp_operation_config_deserialize (gimp, container,
compat_file);
}
else
{
gimp_operation_config_deserialize (gimp, container, NULL);
}
}
}
g_object_unref (file);
}
gimp_operation_config_add_sep (container);
}
return container;
}
void
gimp_operation_config_serialize (Gimp *gimp,
GimpContainer *container,
GFile *file)
{
GError *error = NULL;
g_return_if_fail (GIMP_IS_GIMP (gimp));
g_return_if_fail (GIMP_IS_CONTAINER (container));
g_return_if_fail (file == NULL || G_IS_FILE (file));
if (file)
{
g_object_ref (file);
}
else
{
GType config_type = gimp_container_get_children_type (container);
file = gimp_operation_config_get_file (config_type);
}
if (gimp->be_verbose)
g_print ("Writing '%s'\n", gimp_file_get_utf8_name (file));
gimp_operation_config_remove_sep (container);
if (! gimp_config_serialize_to_file (GIMP_CONFIG (container),
file,
"settings",
"end of settings",
NULL, &error))
{
gimp_message_literal (gimp, NULL, GIMP_MESSAGE_ERROR,
error->message);
g_clear_error (&error);
}
gimp_operation_config_add_sep (container);
g_object_unref (file);
}
void
gimp_operation_config_deserialize (Gimp *gimp,
GimpContainer *container,
GFile *file)
{
GError *error = NULL;
g_return_if_fail (GIMP_IS_GIMP (gimp));
g_return_if_fail (GIMP_IS_CONTAINER (container));
g_return_if_fail (file == NULL || G_IS_FILE (file));
if (file)
{
g_object_ref (file);
}
else
{
GType config_type = gimp_container_get_children_type (container);
file = gimp_operation_config_get_file (config_type);
}
if (gimp->be_verbose)
g_print ("Parsing '%s'\n", gimp_file_get_utf8_name (file));
if (! gimp_config_deserialize_file (GIMP_CONFIG (container),
file,
NULL, &error))
{
if (error->code != GIMP_CONFIG_ERROR_OPEN_ENOENT)
gimp_message_literal (gimp, NULL, GIMP_MESSAGE_ERROR,
error->message);
g_clear_error (&error);
}
g_object_unref (file);
}
void
gimp_operation_config_sync_node (GObject *config,
GeglNode *node)
{
GParamSpec **pspecs;
gchar *operation;
guint n_pspecs;
gint i;
g_return_if_fail (G_IS_OBJECT (config));
g_return_if_fail (GEGL_IS_NODE (node));
gegl_node_get (node,
"operation", &operation,
NULL);
g_return_if_fail (operation != NULL);
pspecs = gegl_operation_list_properties (operation, &n_pspecs);
g_free (operation);
for (i = 0; i < n_pspecs; i++)
{
GParamSpec *pspec = pspecs[i];
/* if the operation has an object property of the config's
* type, set it and done
*/
if (G_IS_PARAM_SPEC_OBJECT (pspec) &&
pspec->value_type == G_TYPE_FROM_INSTANCE (config))
{
gegl_node_set (node,
pspec->name, config,
NULL);
g_free (pspecs);
return;
}
}
for (i = 0; i < n_pspecs; i++)
{
GParamSpec *gegl_pspec = pspecs[i];
GParamSpec *gimp_pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (config),
gegl_pspec->name);
if (gimp_pspec)
{
GValue value = G_VALUE_INIT;
g_value_init (&value, gimp_pspec->value_type);
g_object_get_property (G_OBJECT (config), gimp_pspec->name,
&value);
if (GEGL_IS_PARAM_SPEC_COLOR (gegl_pspec))
{
GimpRGB gimp_color;
GeglColor *gegl_color;
gimp_value_get_rgb (&value, &gimp_color);
g_value_unset (&value);
gegl_color = gimp_gegl_color_new (&gimp_color, NULL);
g_value_init (&value, gegl_pspec->value_type);
g_value_take_object (&value, gegl_color);
}
gegl_node_set_property (node, gegl_pspec->name,
&value);
g_value_unset (&value);
}
}
g_free (pspecs);
}
void
gimp_operation_config_connect_node (GObject *config,
GeglNode *node)
{
GParamSpec **pspecs;
gchar *operation;
guint n_pspecs;
gint i;
g_return_if_fail (G_IS_OBJECT (config));
g_return_if_fail (GEGL_IS_NODE (node));
gegl_node_get (node,
"operation", &operation,
NULL);
g_return_if_fail (operation != NULL);
pspecs = gegl_operation_list_properties (operation, &n_pspecs);
g_free (operation);
for (i = 0; i < n_pspecs; i++)
{
GParamSpec *pspec = pspecs[i];
/* if the operation has an object property of the config's
* type, connect it to a special callback and done
*/
if (G_IS_PARAM_SPEC_OBJECT (pspec) &&
pspec->value_type == G_TYPE_FROM_INSTANCE (config))
{
g_signal_connect_object (config, "notify",
G_CALLBACK (gimp_operation_config_config_sync),
node, 0);
g_free (pspecs);
return;
}
}
for (i = 0; i < n_pspecs; i++)
{
GParamSpec *gegl_pspec = pspecs[i];
GParamSpec *gimp_pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (config),
gegl_pspec->name);
if (gimp_pspec)
{
gchar *notify_name = g_strconcat ("notify::", gimp_pspec->name, NULL);
g_signal_connect_object (config, notify_name,
G_CALLBACK (gimp_operation_config_config_notify),
node, 0);
g_signal_connect_object (node, notify_name,
G_CALLBACK (gimp_operation_config_node_notify),
config, 0);
g_free (notify_name);
}
}
g_free (pspecs);
}
GParamSpec **
gimp_operation_config_list_properties (GObject *config,
GType owner_type,
GParamFlags flags,
guint *n_pspecs)
{
GParamSpec **param_specs;
guint n_param_specs;
gint i, j;
g_return_val_if_fail (G_IS_OBJECT (config), NULL);
param_specs = g_object_class_list_properties (G_OBJECT_GET_CLASS (config),
&n_param_specs);
for (i = 0, j = 0; i < n_param_specs; i++)
{
GParamSpec *pspec = param_specs[i];
/* ignore properties of parent classes of owner_type */
if (! g_type_is_a (pspec->owner_type, owner_type))
continue;
if (flags && ((pspec->flags & flags) != flags))
continue;
if (gimp_gegl_param_spec_has_key (pspec, "role", "output-extent"))
continue;
param_specs[j] = param_specs[i];
j++;
}
if (n_pspecs)
*n_pspecs = j;
if (j == 0)
{
g_free (param_specs);
param_specs = NULL;
}
return param_specs;
}
/* private functions */
static void
gimp_operation_config_config_sync (GObject *config,
const GParamSpec *gimp_pspec,
GeglNode *node)
{
gimp_operation_config_sync_node (config, node);
}
static void
gimp_operation_config_config_notify (GObject *config,
const GParamSpec *gimp_pspec,
GeglNode *node)
{
GParamSpec *gegl_pspec = gegl_node_find_property (node, gimp_pspec->name);
if (gegl_pspec)
{
GValue value = G_VALUE_INIT;
gulong handler;
g_value_init (&value, gimp_pspec->value_type);
g_object_get_property (config, gimp_pspec->name, &value);
if (GEGL_IS_PARAM_SPEC_COLOR (gegl_pspec))
{
GimpRGB gimp_color;
GeglColor *gegl_color;
gimp_value_get_rgb (&value, &gimp_color);
g_value_unset (&value);
gegl_color = gimp_gegl_color_new (&gimp_color, NULL);
g_value_init (&value, gegl_pspec->value_type);
g_value_take_object (&value, gegl_color);
}
handler = g_signal_handler_find (node,
G_SIGNAL_MATCH_DETAIL |
G_SIGNAL_MATCH_FUNC |
G_SIGNAL_MATCH_DATA,
0,
g_quark_from_string (gegl_pspec->name),
NULL,
gimp_operation_config_node_notify,
config);
if (handler)
g_signal_handler_block (node, handler);
gegl_node_set_property (node, gegl_pspec->name, &value);
g_value_unset (&value);
if (handler)
g_signal_handler_unblock (node, handler);
}
}
static void
gimp_operation_config_node_notify (GeglNode *node,
const GParamSpec *gegl_pspec,
GObject *config)
{
GParamSpec *gimp_pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (config),
gegl_pspec->name);
if (gimp_pspec)
{
GValue value = G_VALUE_INIT;
gulong handler;
g_value_init (&value, gegl_pspec->value_type);
gegl_node_get_property (node, gegl_pspec->name, &value);
if (GEGL_IS_PARAM_SPEC_COLOR (gegl_pspec))
{
GeglColor *gegl_color;
GimpRGB gimp_color;
gegl_color = g_value_dup_object (&value);
g_value_unset (&value);
if (gegl_color)
{
gegl_color_get_rgba (gegl_color,
&gimp_color.r,
&gimp_color.g,
&gimp_color.b,
&gimp_color.a);
g_object_unref (gegl_color);
}
else
{
gimp_rgba_set (&gimp_color, 0.0, 0.0, 0.0, 1.0);
}
g_value_init (&value, gimp_pspec->value_type);
gimp_value_set_rgb (&value, &gimp_color);
}
handler = g_signal_handler_find (config,
G_SIGNAL_MATCH_DETAIL |
G_SIGNAL_MATCH_FUNC |
G_SIGNAL_MATCH_DATA,
0,
g_quark_from_string (gimp_pspec->name),
NULL,
gimp_operation_config_config_notify,
node);
if (handler)
g_signal_handler_block (config, handler);
g_object_set_property (config, gimp_pspec->name, &value);
g_value_unset (&value);
if (handler)
g_signal_handler_unblock (config, handler);
}
}
static GFile *
gimp_operation_config_get_file (GType config_type)
{
GFile *file;
gchar *basename;
basename = g_strconcat (g_type_name (config_type), ".settings", NULL);
file = gimp_directory_file ("filters", basename, NULL);
g_free (basename);
return file;
}
static void
gimp_operation_config_add_sep (GimpContainer *container)
{
GimpObject *sep = g_object_get_data (G_OBJECT (container), "separator");
if (! sep)
{
sep = g_object_new (gimp_container_get_children_type (container),
NULL);
gimp_container_add (container, sep);
g_object_unref (sep);
g_object_set_data (G_OBJECT (container), "separator", sep);
}
}
static void
gimp_operation_config_remove_sep (GimpContainer *container)
{
GimpObject *sep = g_object_get_data (G_OBJECT (container), "separator");
if (sep)
{
gimp_container_remove (container, sep);
g_object_set_data (G_OBJECT (container), "separator", NULL);
}
}
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