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Gimp/app/core/gimpdynamics.c
Alexia Death 60705f79e9 app: Making spacing available as dynamic parameter 
Spacing is now dynamically controllable. Unlike other parameters it
made little sense to scale down from default spacing so it scales between
current and maximum spacing.
2009-12-13 22:46:09 +02:00

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995-1999 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 <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gegl.h>
#include "libgimpmath/gimpmath.h"
#include "libgimpconfig/gimpconfig.h"
#include "core-types.h"
#include "gimpcurve.h"
#include "gimpdynamics.h"
#include "gimpdynamics-load.h"
#include "gimpdynamics-save.h"
#include "gimpdynamicsoutput.h"
#include "gimp-intl.h"
#define DEFAULT_NAME "Nameless dynamics"
enum
{
PROP_0,
PROP_NAME,
PROP_OPACITY_OUTPUT,
PROP_HARDNESS_OUTPUT,
PROP_RATE_OUTPUT,
PROP_SIZE_OUTPUT,
PROP_ASPECT_RATIO_OUTPUT,
PROP_COLOR_OUTPUT,
PROP_ANGLE_OUTPUT,
PROP_JITTER_OUTPUT,
PROP_SPACING_OUTPUT
};
static void gimp_dynamics_finalize (GObject *object);
static void gimp_dynamics_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_dynamics_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static void
gimp_dynamics_dispatch_properties_changed (GObject *object,
guint n_pspecs,
GParamSpec **pspecs);
static const gchar * gimp_dynamics_get_extension (GimpData *data);
static GimpDynamicsOutput *
gimp_dynamics_create_output (GimpDynamics *dynamics,
const gchar *name);
static void gimp_dynamics_output_notify (GObject *output,
const GParamSpec *pspec,
GimpDynamics *dynamics);
G_DEFINE_TYPE (GimpDynamics, gimp_dynamics,
GIMP_TYPE_DATA)
#define parent_class gimp_dynamics_parent_class
static void
gimp_dynamics_class_init (GimpDynamicsClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GimpDataClass *data_class = GIMP_DATA_CLASS (klass);
object_class->finalize = gimp_dynamics_finalize;
object_class->set_property = gimp_dynamics_set_property;
object_class->get_property = gimp_dynamics_get_property;
object_class->dispatch_properties_changed = gimp_dynamics_dispatch_properties_changed;
data_class->save = gimp_dynamics_save;
data_class->get_extension = gimp_dynamics_get_extension;
GIMP_CONFIG_INSTALL_PROP_STRING (object_class, PROP_NAME,
"name", NULL,
DEFAULT_NAME,
GIMP_PARAM_STATIC_STRINGS);
GIMP_CONFIG_INSTALL_PROP_OBJECT (object_class, PROP_OPACITY_OUTPUT,
"opacity-output", NULL,
GIMP_TYPE_DYNAMICS_OUTPUT,
GIMP_CONFIG_PARAM_AGGREGATE);
GIMP_CONFIG_INSTALL_PROP_OBJECT (object_class, PROP_HARDNESS_OUTPUT,
"hardness-output", NULL,
GIMP_TYPE_DYNAMICS_OUTPUT,
GIMP_CONFIG_PARAM_AGGREGATE);
GIMP_CONFIG_INSTALL_PROP_OBJECT (object_class, PROP_RATE_OUTPUT,
"rate-output", NULL,
GIMP_TYPE_DYNAMICS_OUTPUT,
GIMP_CONFIG_PARAM_AGGREGATE);
GIMP_CONFIG_INSTALL_PROP_OBJECT (object_class, PROP_SIZE_OUTPUT,
"size-output", NULL,
GIMP_TYPE_DYNAMICS_OUTPUT,
GIMP_CONFIG_PARAM_AGGREGATE);
GIMP_CONFIG_INSTALL_PROP_OBJECT (object_class, PROP_ASPECT_RATIO_OUTPUT,
"aspect-ratio-output", NULL,
GIMP_TYPE_DYNAMICS_OUTPUT,
GIMP_CONFIG_PARAM_AGGREGATE);
GIMP_CONFIG_INSTALL_PROP_OBJECT (object_class, PROP_COLOR_OUTPUT,
"color-output", NULL,
GIMP_TYPE_DYNAMICS_OUTPUT,
GIMP_CONFIG_PARAM_AGGREGATE);
GIMP_CONFIG_INSTALL_PROP_OBJECT (object_class, PROP_ANGLE_OUTPUT,
"angle-output", NULL,
GIMP_TYPE_DYNAMICS_OUTPUT,
GIMP_CONFIG_PARAM_AGGREGATE);
GIMP_CONFIG_INSTALL_PROP_OBJECT (object_class, PROP_JITTER_OUTPUT,
"jitter-output", NULL,
GIMP_TYPE_DYNAMICS_OUTPUT,
GIMP_CONFIG_PARAM_AGGREGATE);
GIMP_CONFIG_INSTALL_PROP_OBJECT (object_class, PROP_SPACING_OUTPUT,
"spacing-output", NULL,
GIMP_TYPE_DYNAMICS_OUTPUT,
GIMP_CONFIG_PARAM_AGGREGATE);
}
static void
gimp_dynamics_init (GimpDynamics *dynamics)
{
dynamics->opacity_output = gimp_dynamics_create_output (dynamics,
"opacity-output");
dynamics->hardness_output = gimp_dynamics_create_output (dynamics,
"hardness-output");
dynamics->rate_output = gimp_dynamics_create_output (dynamics,
"rate-output");
dynamics->size_output = gimp_dynamics_create_output (dynamics,
"size-output");
dynamics->aspect_ratio_output = gimp_dynamics_create_output (dynamics,
"aspect-ratio-output");
dynamics->color_output = gimp_dynamics_create_output (dynamics,
"color-output");
dynamics->angle_output = gimp_dynamics_create_output (dynamics,
"angle-output");
dynamics->jitter_output = gimp_dynamics_create_output (dynamics,
"jitter-output");
dynamics->spacing_output = gimp_dynamics_create_output (dynamics,
"spacing-output");
}
static void
gimp_dynamics_finalize (GObject *object)
{
GimpDynamics *dynamics = GIMP_DYNAMICS (object);
g_object_unref (dynamics->opacity_output);
g_object_unref (dynamics->hardness_output);
g_object_unref (dynamics->rate_output);
g_object_unref (dynamics->size_output);
g_object_unref (dynamics->aspect_ratio_output);
g_object_unref (dynamics->color_output);
g_object_unref (dynamics->angle_output);
g_object_unref (dynamics->jitter_output);
g_object_unref (dynamics->spacing_output);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gimp_dynamics_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpDynamics *dynamics = GIMP_DYNAMICS (object);
GimpDynamicsOutput *src_output = NULL;
GimpDynamicsOutput *dest_output = NULL;
switch (property_id)
{
case PROP_NAME:
gimp_object_set_name (GIMP_OBJECT (dynamics), g_value_get_string (value));
break;
case PROP_OPACITY_OUTPUT:
src_output = g_value_get_object (value);
dest_output = dynamics->opacity_output;
break;
case PROP_HARDNESS_OUTPUT:
src_output = g_value_get_object (value);
dest_output = dynamics->hardness_output;
break;
case PROP_RATE_OUTPUT:
src_output = g_value_get_object (value);
dest_output = dynamics->rate_output;
break;
case PROP_SIZE_OUTPUT:
src_output = g_value_get_object (value);
dest_output = dynamics->size_output;
break;
case PROP_ASPECT_RATIO_OUTPUT:
src_output = g_value_get_object (value);
dest_output = dynamics->aspect_ratio_output;
break;
case PROP_COLOR_OUTPUT:
src_output = g_value_get_object (value);
dest_output = dynamics->color_output;
break;
case PROP_ANGLE_OUTPUT:
src_output = g_value_get_object (value);
dest_output = dynamics->angle_output;
break;
case PROP_JITTER_OUTPUT:
src_output = g_value_get_object (value);
dest_output = dynamics->jitter_output;
break;
case PROP_SPACING_OUTPUT:
src_output = g_value_get_object (value);
dest_output = dynamics->spacing_output;
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
if (src_output && dest_output)
{
gimp_config_copy (GIMP_CONFIG (src_output),
GIMP_CONFIG (dest_output),
GIMP_CONFIG_PARAM_SERIALIZE);
}
}
static void
gimp_dynamics_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpDynamics *dynamics = GIMP_DYNAMICS (object);
switch (property_id)
{
case PROP_NAME:
g_value_set_string (value, gimp_object_get_name (dynamics));
break;
case PROP_OPACITY_OUTPUT:
g_value_set_object (value, dynamics->opacity_output);
break;
case PROP_HARDNESS_OUTPUT:
g_value_set_object (value, dynamics->hardness_output);
break;
case PROP_RATE_OUTPUT:
g_value_set_object (value, dynamics->rate_output);
break;
case PROP_SIZE_OUTPUT:
g_value_set_object (value, dynamics->size_output);
break;
case PROP_ASPECT_RATIO_OUTPUT:
g_value_set_object (value, dynamics->aspect_ratio_output);
break;
case PROP_COLOR_OUTPUT:
g_value_set_object (value, dynamics->color_output);
break;
case PROP_ANGLE_OUTPUT:
g_value_set_object (value, dynamics->angle_output);
break;
case PROP_JITTER_OUTPUT:
g_value_set_object (value, dynamics->jitter_output);
break;
case PROP_SPACING_OUTPUT:
g_value_set_object (value, dynamics->spacing_output);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_dynamics_dispatch_properties_changed (GObject *object,
guint n_pspecs,
GParamSpec **pspecs)
{
gint i;
G_OBJECT_CLASS (parent_class)->dispatch_properties_changed (object,
n_pspecs, pspecs);
for (i = 0; i < n_pspecs; i++)
{
if (pspecs[i]->flags & GIMP_CONFIG_PARAM_SERIALIZE)
{
gimp_data_dirty (GIMP_DATA (object));
break;
}
}
}
static const gchar *
gimp_dynamics_get_extension (GimpData *data)
{
return GIMP_DYNAMICS_FILE_EXTENSION;
}
/* public functions */
GimpData *
gimp_dynamics_new (const gchar *name)
{
return g_object_new (GIMP_TYPE_DYNAMICS,
"name", name,
NULL);
}
GimpData *
gimp_dynamics_get_standard (void)
{
static GimpData *standard_dynamics = NULL;
if (! standard_dynamics)
{
standard_dynamics = gimp_dynamics_new ("Standard dynamics");
gimp_data_clean (standard_dynamics);
gimp_data_make_internal (standard_dynamics, "gimp-dynamics-standard");
g_object_ref (standard_dynamics);
}
return standard_dynamics;
}
/* private functions */
static GimpDynamicsOutput *
gimp_dynamics_create_output (GimpDynamics *dynamics,
const gchar *name)
{
GimpDynamicsOutput *output = gimp_dynamics_output_new (name);
g_signal_connect (output, "notify",
G_CALLBACK (gimp_dynamics_output_notify),
dynamics);
return output;
}
static void
gimp_dynamics_output_notify (GObject *output,
const GParamSpec *pspec,
GimpDynamics *dynamics)
{
g_object_notify (G_OBJECT (dynamics), gimp_object_get_name (output));
}
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