/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpfilter.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 .
*/
#include "config.h"
#include
#include
#include "core-types.h"
#include "gimp.h"
#include "gimp-memsize.h"
#include "gimpfilter.h"
#include "gimpmarshal.h"
enum
{
ACTIVE_CHANGED,
LAST_SIGNAL
};
enum
{
PROP_0,
PROP_ACTIVE,
PROP_IS_LAST_NODE
};
typedef struct _GimpFilterPrivate GimpFilterPrivate;
struct _GimpFilterPrivate
{
GeglNode *node;
guint active : 1;
guint is_last_node : 1;
GimpApplicator *applicator;
};
#define GET_PRIVATE(filter) ((GimpFilterPrivate *) gimp_filter_get_instance_private ((GimpFilter *) (filter)))
/* local function prototypes */
static void gimp_filter_finalize (GObject *object);
static void gimp_filter_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_filter_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static gint64 gimp_filter_get_memsize (GimpObject *object,
gint64 *gui_size);
static GeglNode * gimp_filter_real_get_node (GimpFilter *filter);
G_DEFINE_TYPE_WITH_PRIVATE (GimpFilter, gimp_filter, GIMP_TYPE_VIEWABLE)
#define parent_class gimp_filter_parent_class
static guint gimp_filter_signals[LAST_SIGNAL] = { 0 };
static void
gimp_filter_class_init (GimpFilterClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GimpObjectClass *gimp_object_class = GIMP_OBJECT_CLASS (klass);
gimp_filter_signals[ACTIVE_CHANGED] =
g_signal_new ("active-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpFilterClass, active_changed),
NULL, NULL,
gimp_marshal_VOID__VOID,
G_TYPE_NONE, 0);
object_class->finalize = gimp_filter_finalize;
object_class->set_property = gimp_filter_set_property;
object_class->get_property = gimp_filter_get_property;
gimp_object_class->get_memsize = gimp_filter_get_memsize;
klass->active_changed = NULL;
klass->get_node = gimp_filter_real_get_node;
g_object_class_install_property (object_class, PROP_ACTIVE,
g_param_spec_boolean ("active", NULL, NULL,
TRUE,
GIMP_PARAM_READWRITE));
g_object_class_install_property (object_class, PROP_IS_LAST_NODE,
g_param_spec_boolean ("is-last-node",
NULL, NULL,
FALSE,
GIMP_PARAM_READWRITE));
}
static void
gimp_filter_init (GimpFilter *filter)
{
GimpFilterPrivate *private = GET_PRIVATE (filter);
private->active = TRUE;
}
static void
gimp_filter_finalize (GObject *object)
{
GimpFilterPrivate *private = GET_PRIVATE (object);
g_clear_object (&private->node);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gimp_filter_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpFilter *filter = GIMP_FILTER (object);
switch (property_id)
{
case PROP_ACTIVE:
gimp_filter_set_active (filter, g_value_get_boolean (value));
break;
case PROP_IS_LAST_NODE:
gimp_filter_set_is_last_node (filter, g_value_get_boolean (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_filter_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpFilterPrivate *private = GET_PRIVATE (object);
switch (property_id)
{
case PROP_ACTIVE:
g_value_set_boolean (value, private->active);
break;
case PROP_IS_LAST_NODE:
g_value_set_boolean (value, private->is_last_node);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static gint64
gimp_filter_get_memsize (GimpObject *object,
gint64 *gui_size)
{
GimpFilterPrivate *private = GET_PRIVATE (object);
gint64 memsize = 0;
memsize += gimp_g_object_get_memsize (G_OBJECT (private->node));
return memsize + GIMP_OBJECT_CLASS (parent_class)->get_memsize (object,
gui_size);
}
static GeglNode *
gimp_filter_real_get_node (GimpFilter *filter)
{
GimpFilterPrivate *private = GET_PRIVATE (filter);
private->node = gegl_node_new ();
return private->node;
}
/* public functions */
GimpFilter *
gimp_filter_new (const gchar *name)
{
g_return_val_if_fail (name != NULL, NULL);
return g_object_new (GIMP_TYPE_FILTER,
"name", name,
NULL);
}
GeglNode *
gimp_filter_get_node (GimpFilter *filter)
{
GimpFilterPrivate *private;
g_return_val_if_fail (GIMP_IS_FILTER (filter), NULL);
private = GET_PRIVATE (filter);
if (private->node)
return private->node;
return GIMP_FILTER_GET_CLASS (filter)->get_node (filter);
}
GeglNode *
gimp_filter_peek_node (GimpFilter *filter)
{
g_return_val_if_fail (GIMP_IS_FILTER (filter), NULL);
return GET_PRIVATE (filter)->node;
}
void
gimp_filter_set_active (GimpFilter *filter,
gboolean active)
{
g_return_if_fail (GIMP_IS_FILTER (filter));
active = active ? TRUE : FALSE;
if (active != gimp_filter_get_active (filter))
{
GET_PRIVATE (filter)->active = active;
g_signal_emit (filter, gimp_filter_signals[ACTIVE_CHANGED], 0);
g_object_notify (G_OBJECT (filter), "active");
}
}
gboolean
gimp_filter_get_active (GimpFilter *filter)
{
g_return_val_if_fail (GIMP_IS_FILTER (filter), FALSE);
return GET_PRIVATE (filter)->active;
}
void
gimp_filter_set_is_last_node (GimpFilter *filter,
gboolean is_last_node)
{
g_return_if_fail (GIMP_IS_FILTER (filter));
is_last_node = is_last_node ? TRUE : FALSE;
if (is_last_node != gimp_filter_get_is_last_node (filter))
{
GET_PRIVATE (filter)->is_last_node = is_last_node;
g_object_notify (G_OBJECT (filter), "is-last-node");
}
}
gboolean
gimp_filter_get_is_last_node (GimpFilter *filter)
{
g_return_val_if_fail (GIMP_IS_FILTER (filter), FALSE);
return GET_PRIVATE (filter)->is_last_node;
}
void
gimp_filter_set_applicator (GimpFilter *filter,
GimpApplicator *applicator)
{
GimpFilterPrivate *private;
g_return_if_fail (GIMP_IS_FILTER (filter));
private = GET_PRIVATE (filter);
private->applicator = applicator;
}
GimpApplicator *
gimp_filter_get_applicator (GimpFilter *filter)
{
g_return_val_if_fail (GIMP_IS_FILTER (filter), NULL);
return GET_PRIVATE (filter)->applicator;
}