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gimp/app/core/gimpdynamics.c

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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 <gdk-pixbuf/gdk-pixbuf.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_SIZE_OUTPUT,
PROP_ANGLE_OUTPUT,
PROP_COLOR_OUTPUT,
PROP_FORCE_OUTPUT,
PROP_HARDNESS_OUTPUT,
PROP_ASPECT_RATIO_OUTPUT,
PROP_SPACING_OUTPUT,
PROP_RATE_OUTPUT,
PROP_FLOW_OUTPUT,
PROP_JITTER_OUTPUT
};
typedef struct _GimpDynamicsPrivate GimpDynamicsPrivate;
struct _GimpDynamicsPrivate
{
GimpDynamicsOutput *opacity_output;
GimpDynamicsOutput *hardness_output;
GimpDynamicsOutput *force_output;
GimpDynamicsOutput *rate_output;
GimpDynamicsOutput *flow_output;
GimpDynamicsOutput *size_output;
GimpDynamicsOutput *aspect_ratio_output;
GimpDynamicsOutput *color_output;
GimpDynamicsOutput *angle_output;
GimpDynamicsOutput *jitter_output;
GimpDynamicsOutput *spacing_output;
};
#define GET_PRIVATE(output) \
G_TYPE_INSTANCE_GET_PRIVATE (output, \
GIMP_TYPE_DYNAMICS, \
GimpDynamicsPrivate)
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 GimpData * gimp_dynamics_duplicate (GimpData *data);
static GimpDynamicsOutput *
gimp_dynamics_create_output (GimpDynamics *dynamics,
const gchar *name,
GimpDynamicsOutputType type);
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);
GimpViewableClass *viewable_class = GIMP_VIEWABLE_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;
viewable_class->default_icon_name = "gimp-dynamics";
data_class->save = gimp_dynamics_save;
data_class->get_extension = gimp_dynamics_get_extension;
data_class->duplicate = gimp_dynamics_duplicate;
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_FORCE_OUTPUT,
"force-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_FLOW_OUTPUT,
"flow-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);
g_type_class_add_private (klass, sizeof (GimpDynamicsPrivate));
}
static void
gimp_dynamics_init (GimpDynamics *dynamics)
{
GimpDynamicsPrivate *private = GET_PRIVATE (dynamics);
private->opacity_output =
gimp_dynamics_create_output (dynamics,
"opacity-output",
GIMP_DYNAMICS_OUTPUT_OPACITY);
private->force_output =
gimp_dynamics_create_output (dynamics,
"force-output",
GIMP_DYNAMICS_OUTPUT_FORCE);
private->hardness_output =
gimp_dynamics_create_output (dynamics,
"hardness-output",
GIMP_DYNAMICS_OUTPUT_HARDNESS);
private->rate_output =
gimp_dynamics_create_output (dynamics,
"rate-output",
GIMP_DYNAMICS_OUTPUT_RATE);
private->flow_output =
gimp_dynamics_create_output (dynamics,
"flow-output",
GIMP_DYNAMICS_OUTPUT_RATE);
private->size_output =
gimp_dynamics_create_output (dynamics,
"size-output",
GIMP_DYNAMICS_OUTPUT_SIZE);
private->aspect_ratio_output =
gimp_dynamics_create_output (dynamics,
"aspect-ratio-output",
GIMP_DYNAMICS_OUTPUT_ASPECT_RATIO);
private->color_output =
gimp_dynamics_create_output (dynamics,
"color-output",
GIMP_DYNAMICS_OUTPUT_COLOR);
private->angle_output =
gimp_dynamics_create_output (dynamics,
"angle-output",
GIMP_DYNAMICS_OUTPUT_ANGLE);
private->jitter_output =
gimp_dynamics_create_output (dynamics,
"jitter-output",
GIMP_DYNAMICS_OUTPUT_JITTER);
private->spacing_output =
gimp_dynamics_create_output (dynamics,
"spacing-output",
GIMP_DYNAMICS_OUTPUT_SPACING);
}
static void
gimp_dynamics_finalize (GObject *object)
{
GimpDynamicsPrivate *private = GET_PRIVATE (object);
g_object_unref (private->opacity_output);
g_object_unref (private->force_output);
g_object_unref (private->hardness_output);
g_object_unref (private->rate_output);
g_object_unref (private->flow_output);
g_object_unref (private->size_output);
g_object_unref (private->aspect_ratio_output);
g_object_unref (private->color_output);
g_object_unref (private->angle_output);
g_object_unref (private->jitter_output);
g_object_unref (private->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)
{
GimpDynamicsPrivate *private = GET_PRIVATE (object);
GimpDynamicsOutput *src_output = NULL;
GimpDynamicsOutput *dest_output = NULL;
switch (property_id)
{
case PROP_NAME:
gimp_object_set_name (GIMP_OBJECT (object), g_value_get_string (value));
break;
case PROP_OPACITY_OUTPUT:
src_output = g_value_get_object (value);
dest_output = private->opacity_output;
break;
case PROP_FORCE_OUTPUT:
src_output = g_value_get_object (value);
dest_output = private->force_output;
break;
case PROP_HARDNESS_OUTPUT:
src_output = g_value_get_object (value);
dest_output = private->hardness_output;
break;
case PROP_RATE_OUTPUT:
src_output = g_value_get_object (value);
dest_output = private->rate_output;
break;
case PROP_FLOW_OUTPUT:
src_output = g_value_get_object (value);
dest_output = private->flow_output;
break;
case PROP_SIZE_OUTPUT:
src_output = g_value_get_object (value);
dest_output = private->size_output;
break;
case PROP_ASPECT_RATIO_OUTPUT:
src_output = g_value_get_object (value);
dest_output = private->aspect_ratio_output;
break;
case PROP_COLOR_OUTPUT:
src_output = g_value_get_object (value);
dest_output = private->color_output;
break;
case PROP_ANGLE_OUTPUT:
src_output = g_value_get_object (value);
dest_output = private->angle_output;
break;
case PROP_JITTER_OUTPUT:
src_output = g_value_get_object (value);
dest_output = private->jitter_output;
break;
case PROP_SPACING_OUTPUT:
src_output = g_value_get_object (value);
dest_output = private->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)
{
GimpDynamicsPrivate *private = GET_PRIVATE (object);
switch (property_id)
{
case PROP_NAME:
g_value_set_string (value, gimp_object_get_name (object));
break;
case PROP_OPACITY_OUTPUT:
g_value_set_object (value, private->opacity_output);
break;
case PROP_FORCE_OUTPUT:
g_value_set_object (value, private->force_output);
break;
case PROP_HARDNESS_OUTPUT:
g_value_set_object (value, private->hardness_output);
break;
case PROP_RATE_OUTPUT:
g_value_set_object (value, private->rate_output);
break;
case PROP_FLOW_OUTPUT:
g_value_set_object (value, private->flow_output);
break;
case PROP_SIZE_OUTPUT:
g_value_set_object (value, private->size_output);
break;
case PROP_ASPECT_RATIO_OUTPUT:
g_value_set_object (value, private->aspect_ratio_output);
break;
case PROP_COLOR_OUTPUT:
g_value_set_object (value, private->color_output);
break;
case PROP_ANGLE_OUTPUT:
g_value_set_object (value, private->angle_output);
break;
case PROP_JITTER_OUTPUT:
g_value_set_object (value, private->jitter_output);
break;
case PROP_SPACING_OUTPUT:
g_value_set_object (value, private->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;
}
static GimpData *
gimp_dynamics_duplicate (GimpData *data)
{
GimpData *dest = g_object_new (GIMP_TYPE_DYNAMICS, NULL);
gimp_config_copy (GIMP_CONFIG (data),
GIMP_CONFIG (dest), 0);
return GIMP_DATA (dest);
}
/* public functions */
GimpData *
gimp_dynamics_new (GimpContext *context,
const gchar *name)
{
g_return_val_if_fail (name != NULL, NULL);
g_return_val_if_fail (name[0] != '\0', NULL);
return g_object_new (GIMP_TYPE_DYNAMICS,
"name", name,
NULL);
}
GimpData *
gimp_dynamics_get_standard (GimpContext *context)
{
static GimpData *standard_dynamics = NULL;
if (! standard_dynamics)
{
standard_dynamics = gimp_dynamics_new (context, "Standard dynamics");
gimp_data_clean (standard_dynamics);
gimp_data_make_internal (standard_dynamics, "gimp-dynamics-standard");
g_object_add_weak_pointer (G_OBJECT (standard_dynamics),
(gpointer *) &standard_dynamics);
}
return standard_dynamics;
}
GimpDynamicsOutput *
gimp_dynamics_get_output (GimpDynamics *dynamics,
GimpDynamicsOutputType type_id)
{
GimpDynamicsPrivate *private;
g_return_val_if_fail (GIMP_IS_DYNAMICS (dynamics), NULL);
private = GET_PRIVATE (dynamics);
switch (type_id)
{
case GIMP_DYNAMICS_OUTPUT_OPACITY:
return private->opacity_output;
break;
case GIMP_DYNAMICS_OUTPUT_FORCE:
return private->force_output;
break;
case GIMP_DYNAMICS_OUTPUT_HARDNESS:
return private->hardness_output;
break;
case GIMP_DYNAMICS_OUTPUT_RATE:
return private->rate_output;
break;
case GIMP_DYNAMICS_OUTPUT_FLOW:
return private->flow_output;
break;
case GIMP_DYNAMICS_OUTPUT_SIZE:
return private->size_output;
break;
case GIMP_DYNAMICS_OUTPUT_ASPECT_RATIO:
return private->aspect_ratio_output;
break;
case GIMP_DYNAMICS_OUTPUT_COLOR:
return private->color_output;
break;
case GIMP_DYNAMICS_OUTPUT_ANGLE:
return private->angle_output;
break;
case GIMP_DYNAMICS_OUTPUT_JITTER:
return private->jitter_output;
break;
case GIMP_DYNAMICS_OUTPUT_SPACING:
return private->spacing_output;
break;
default:
g_return_val_if_reached (NULL);
break;
}
}
gboolean
gimp_dynamics_is_output_enabled (GimpDynamics *dynamics,
GimpDynamicsOutputType type)
{
GimpDynamicsOutput *output;
g_return_val_if_fail (GIMP_IS_DYNAMICS (dynamics), FALSE);
output = gimp_dynamics_get_output (dynamics, type);
return gimp_dynamics_output_is_enabled (output);
}
gdouble
gimp_dynamics_get_linear_value (GimpDynamics *dynamics,
GimpDynamicsOutputType type,
const GimpCoords *coords,
GimpPaintOptions *options,
gdouble fade_point)
{
GimpDynamicsOutput *output;
g_return_val_if_fail (GIMP_IS_DYNAMICS (dynamics), 0.0);
output = gimp_dynamics_get_output (dynamics, type);
return gimp_dynamics_output_get_linear_value (output, coords,
options, fade_point);
}
gdouble
gimp_dynamics_get_angular_value (GimpDynamics *dynamics,
GimpDynamicsOutputType type,
const GimpCoords *coords,
GimpPaintOptions *options,
gdouble fade_point)
{
GimpDynamicsOutput *output;
g_return_val_if_fail (GIMP_IS_DYNAMICS (dynamics), 0.0);
output = gimp_dynamics_get_output (dynamics, type);
return gimp_dynamics_output_get_angular_value (output, coords,
options, fade_point);
}
gdouble
gimp_dynamics_get_aspect_value (GimpDynamics *dynamics,
GimpDynamicsOutputType type,
const GimpCoords *coords,
GimpPaintOptions *options,
gdouble fade_point)
{
GimpDynamicsOutput *output;
g_return_val_if_fail (GIMP_IS_DYNAMICS (dynamics), 0.0);
output = gimp_dynamics_get_output (dynamics, type);
return gimp_dynamics_output_get_aspect_value (output, coords,
options, fade_point);
}
/* private functions */
static GimpDynamicsOutput *
gimp_dynamics_create_output (GimpDynamics *dynamics,
const gchar *name,
GimpDynamicsOutputType type)
{
GimpDynamicsOutput *output = gimp_dynamics_output_new (name, type);
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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