gimp/app/core/gimpdynamics.c

/* 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 "libgimpbase/gimpbase.h"
#include "libgimpmath/gimpmath.h"
#include "libgimpconfig/gimpconfig.h"

#include "paint/paint-types.h"



#include "gimp.h"
#include "gimpimage.h"
#include "gimpcurve.h"

#include "gimpdynamics.h"

#include "gimpdata.h"
#include "gimp-intl.h"


#define DEFAULT_PRESSURE_OPACITY       TRUE
#define DEFAULT_PRESSURE_HARDNESS      FALSE
#define DEFAULT_PRESSURE_RATE          FALSE
#define DEFAULT_PRESSURE_SIZE          FALSE
#define DEFAULT_PRESSURE_ASPECT_RATIO  FALSE
#define DEFAULT_PRESSURE_COLOR         FALSE
#define DEFAULT_PRESSURE_ANGLE         FALSE

#define DEFAULT_VELOCITY_OPACITY       FALSE
#define DEFAULT_VELOCITY_HARDNESS      FALSE
#define DEFAULT_VELOCITY_RATE          FALSE
#define DEFAULT_VELOCITY_SIZE          FALSE
#define DEFAULT_VELOCITY_ASPECT_RATIO  FALSE
#define DEFAULT_VELOCITY_COLOR         FALSE
#define DEFAULT_VELOCITY_ANGLE         FALSE

#define DEFAULT_DIRECTION_OPACITY      FALSE
#define DEFAULT_DIRECTION_HARDNESS     FALSE
#define DEFAULT_DIRECTION_RATE         FALSE
#define DEFAULT_DIRECTION_SIZE         FALSE
#define DEFAULT_DIRECTION_ASPECT_RATIO FALSE
#define DEFAULT_DIRECTION_COLOR        FALSE
#define DEFAULT_DIRECTION_ANGLE        FALSE

#define DEFAULT_TILT_OPACITY           FALSE
#define DEFAULT_TILT_HARDNESS          FALSE
#define DEFAULT_TILT_RATE              FALSE
#define DEFAULT_TILT_SIZE              FALSE
#define DEFAULT_TILT_ASPECT_RATIO      FALSE
#define DEFAULT_TILT_COLOR             FALSE
#define DEFAULT_TILT_ANGLE             FALSE

#define DEFAULT_RANDOM_OPACITY         FALSE
#define DEFAULT_RANDOM_HARDNESS        FALSE
#define DEFAULT_RANDOM_RATE            FALSE
#define DEFAULT_RANDOM_SIZE            FALSE
#define DEFAULT_RANDOM_ASPECT_RATIO    FALSE
#define DEFAULT_RANDOM_COLOR           FALSE
#define DEFAULT_RANDOM_ANGLE           FALSE

#define DEFAULT_FADING_OPACITY         FALSE
#define DEFAULT_FADING_HARDNESS        FALSE
#define DEFAULT_FADING_RATE            FALSE
#define DEFAULT_FADING_SIZE            FALSE
#define DEFAULT_FADING_ASPECT_RATIO    FALSE
#define DEFAULT_FADING_COLOR           FALSE
#define DEFAULT_FADING_ANGLE           FALSE

#define DEFAULT_FADE_LENGTH            100.0

enum
{
  PROP_0,

  PROP_PRESSURE_OPACITY,
  PROP_PRESSURE_HARDNESS,
  PROP_PRESSURE_RATE,
  PROP_PRESSURE_SIZE,
  PROP_PRESSURE_ASPECT_RATIO,
  PROP_PRESSURE_COLOR,
  PROP_PRESSURE_ANGLE,

  PROP_VELOCITY_OPACITY,
  PROP_VELOCITY_HARDNESS,
  PROP_VELOCITY_RATE,
  PROP_VELOCITY_SIZE,
  PROP_VELOCITY_ASPECT_RATIO,
  PROP_VELOCITY_COLOR,
  PROP_VELOCITY_ANGLE,

  PROP_DIRECTION_OPACITY,
  PROP_DIRECTION_HARDNESS,
  PROP_DIRECTION_RATE,
  PROP_DIRECTION_SIZE,
  PROP_DIRECTION_ASPECT_RATIO,
  PROP_DIRECTION_COLOR,
  PROP_DIRECTION_ANGLE,

  PROP_TILT_OPACITY,
  PROP_TILT_HARDNESS,
  PROP_TILT_RATE,
  PROP_TILT_SIZE,
  PROP_TILT_ASPECT_RATIO,
  PROP_TILT_COLOR,
  PROP_TILT_ANGLE,

  PROP_RANDOM_OPACITY,
  PROP_RANDOM_HARDNESS,
  PROP_RANDOM_RATE,
  PROP_RANDOM_SIZE,
  PROP_RANDOM_ASPECT_RATIO,
  PROP_RANDOM_COLOR,
  PROP_RANDOM_ANGLE,

  PROP_FADING_OPACITY,
  PROP_FADING_HARDNESS,
  PROP_FADING_RATE,
  PROP_FADING_SIZE,
  PROP_FADING_ASPECT_RATIO,
  PROP_FADING_COLOR,
  PROP_FADING_ANGLE,
};

static void    gimp_dynamics_class_init (GimpDynamicsClass *klass);

static void    gimp_dynamics_finalize         (GObject      *object);


static void    gimp_dynamics_notify           (GObject      *object,
                                                       GParamSpec   *pspec);

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 GimpDynamicsOutput* gimp_dynamics_output_init ();

static void    gimp_dynamics_output_finalize  (GimpDynamicsOutput *dynamics);


/*
G_DEFINE_TYPE_WITH_CODE (GimpDynamics, gimp_dynamics, GIMP_TYPE_DATA,
                         G_IMPLEMENT_INTERFACE (GIMP_TYPE_DOCKED,
                                                gimp_dynamics_editor_docked_iface_init))
*/
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);

  object_class->finalize     = gimp_dynamics_finalize;
  object_class->set_property = gimp_dynamics_set_property;
  object_class->get_property = gimp_dynamics_get_property;
  object_class->notify       = gimp_dynamics_notify;

  GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_PRESSURE_OPACITY,
                                    "pressure-opacity", NULL,
                                    DEFAULT_PRESSURE_OPACITY,
                                    GIMP_PARAM_STATIC_STRINGS);
  GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_PRESSURE_HARDNESS,
                                    "pressure-hardness", NULL,
                                    DEFAULT_PRESSURE_HARDNESS,
                                    GIMP_PARAM_STATIC_STRINGS);
  GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_PRESSURE_RATE,
                                    "pressure-rate", NULL,
                                    DEFAULT_PRESSURE_RATE,
                                    GIMP_PARAM_STATIC_STRINGS);
  GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_PRESSURE_SIZE,
                                    "pressure-size", NULL,
                                    DEFAULT_PRESSURE_SIZE,
                                    GIMP_PARAM_STATIC_STRINGS);
  GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_PRESSURE_COLOR,
                                    "pressure-color", NULL,
                                    DEFAULT_PRESSURE_COLOR,
                                    GIMP_PARAM_STATIC_STRINGS);
  GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_PRESSURE_ANGLE,
                                    "pressure-angle", NULL,
                                    DEFAULT_PRESSURE_COLOR,
                                    GIMP_PARAM_STATIC_STRINGS);
  GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_PRESSURE_ASPECT_RATIO,
                                    "pressure-aspect-ratio", NULL,
                                    DEFAULT_PRESSURE_ASPECT_RATIO,
                                    GIMP_PARAM_STATIC_STRINGS);

  GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_VELOCITY_OPACITY,
                                    "velocity-opacity", NULL,
                                    DEFAULT_VELOCITY_OPACITY,
                                    GIMP_PARAM_STATIC_STRINGS);
  GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_VELOCITY_HARDNESS,
                                    "velocity-hardness", NULL,
                                    DEFAULT_VELOCITY_HARDNESS,
                                    GIMP_PARAM_STATIC_STRINGS);
  GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_VELOCITY_RATE,
                                    "velocity-rate", NULL,
                                    DEFAULT_VELOCITY_RATE,
                                    GIMP_PARAM_STATIC_STRINGS);
  GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_VELOCITY_SIZE,
                                    "velocity-size", NULL,
                                    DEFAULT_VELOCITY_SIZE,
                                    GIMP_PARAM_STATIC_STRINGS);
  GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_VELOCITY_COLOR,
                                    "velocity-color", NULL,
                                    DEFAULT_VELOCITY_COLOR,
                                    GIMP_PARAM_STATIC_STRINGS);
  GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_VELOCITY_ANGLE,
                                    "velocity-angle", NULL,
                                    DEFAULT_VELOCITY_COLOR,
                                    GIMP_PARAM_STATIC_STRINGS);
  GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_VELOCITY_ASPECT_RATIO,
                                    "velocity-aspect-ratio", NULL,
                                    DEFAULT_VELOCITY_ASPECT_RATIO,
                                    GIMP_PARAM_STATIC_STRINGS);

  GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_DIRECTION_OPACITY,
                                    "direction-opacity", NULL,
                                    DEFAULT_DIRECTION_OPACITY,
                                    GIMP_PARAM_STATIC_STRINGS);
  GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_DIRECTION_HARDNESS,
                                    "direction-hardness", NULL,
                                    DEFAULT_DIRECTION_HARDNESS,
                                    GIMP_PARAM_STATIC_STRINGS);
  GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_DIRECTION_RATE,
                                    "direction-rate", NULL,
                                    DEFAULT_DIRECTION_RATE,
                                    GIMP_PARAM_STATIC_STRINGS);
  GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_DIRECTION_SIZE,
                                    "direction-size", NULL,
                                    DEFAULT_DIRECTION_SIZE,
                                    GIMP_PARAM_STATIC_STRINGS);
  GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_DIRECTION_COLOR,
                                    "direction-color", NULL,
                                    DEFAULT_DIRECTION_COLOR,
                                    GIMP_PARAM_STATIC_STRINGS);
  GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_DIRECTION_ANGLE,
                                    "direction-angle", NULL,
                                    DEFAULT_DIRECTION_ANGLE,
                                    GIMP_PARAM_STATIC_STRINGS);
  GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_DIRECTION_ASPECT_RATIO,
                                    "direction-aspect-ratio", NULL,
                                    DEFAULT_DIRECTION_ASPECT_RATIO,
                                    GIMP_PARAM_STATIC_STRINGS);

  GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_TILT_OPACITY,
                                    "tilt-opacity", NULL,
                                    DEFAULT_TILT_OPACITY,
                                    GIMP_PARAM_STATIC_STRINGS);
  GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_TILT_HARDNESS,
                                    "tilt-hardness", NULL,
                                    DEFAULT_TILT_HARDNESS,
                                    GIMP_PARAM_STATIC_STRINGS);
  GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_TILT_RATE,
                                    "tilt-rate", NULL,
                                    DEFAULT_TILT_RATE,
                                    GIMP_PARAM_STATIC_STRINGS);
  GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_TILT_SIZE,
                                    "tilt-size", NULL,
                                    DEFAULT_TILT_SIZE,
                                    GIMP_PARAM_STATIC_STRINGS);
  GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_TILT_COLOR,
                                    "tilt-color", NULL,
                                    DEFAULT_TILT_COLOR,
                                    GIMP_PARAM_STATIC_STRINGS);
  GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_TILT_ANGLE,
                                    "tilt-angle", NULL,
                                    DEFAULT_TILT_ANGLE,
                                    GIMP_PARAM_STATIC_STRINGS);
  GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_TILT_ASPECT_RATIO,
                                    "tilt-aspect-ratio", NULL,
                                    DEFAULT_TILT_ASPECT_RATIO,
                                    GIMP_PARAM_STATIC_STRINGS);

  GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_RANDOM_OPACITY,
                                    "random-opacity", NULL,
                                    DEFAULT_RANDOM_OPACITY,
                                    GIMP_PARAM_STATIC_STRINGS);
  GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_RANDOM_HARDNESS,
                                    "random-hardness", NULL,
                                    DEFAULT_RANDOM_HARDNESS,
                                    GIMP_PARAM_STATIC_STRINGS);
  GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_RANDOM_RATE,
                                    "random-rate", NULL,
                                    DEFAULT_RANDOM_RATE,
                                    GIMP_PARAM_STATIC_STRINGS);
  GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_RANDOM_SIZE,
                                    "random-size", NULL,
                                    DEFAULT_RANDOM_SIZE,
                                    GIMP_PARAM_STATIC_STRINGS);
  GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_RANDOM_COLOR,
                                    "random-color", NULL,
                                    DEFAULT_RANDOM_COLOR,
                                    GIMP_PARAM_STATIC_STRINGS);
  GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_RANDOM_ANGLE,
                                    "random-angle", NULL,
                                    DEFAULT_RANDOM_ANGLE,
                                    GIMP_PARAM_STATIC_STRINGS);
  GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_RANDOM_ASPECT_RATIO,
                                    "random-aspect-ratio", NULL,
                                    DEFAULT_RANDOM_ASPECT_RATIO,
                                    GIMP_PARAM_STATIC_STRINGS);

  GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_FADING_OPACITY,
                                    "fading-opacity", NULL,
                                    DEFAULT_FADING_OPACITY,
                                    GIMP_PARAM_STATIC_STRINGS);
  GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_FADING_HARDNESS,
                                    "fading-hardness", NULL,
                                    DEFAULT_FADING_HARDNESS,
                                    GIMP_PARAM_STATIC_STRINGS);
  GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_FADING_RATE,
                                    "fading-rate", NULL,
                                    DEFAULT_FADING_RATE,
                                    GIMP_PARAM_STATIC_STRINGS);
  GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_FADING_SIZE,
                                    "fading-size", NULL,
                                    DEFAULT_FADING_SIZE,
                                    GIMP_PARAM_STATIC_STRINGS);
  GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_FADING_COLOR,
                                    "fading-color", NULL,
                                    DEFAULT_FADING_COLOR,
                                    GIMP_PARAM_STATIC_STRINGS);
  GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_FADING_ANGLE,
                                    "fading-angle", NULL,
                                    DEFAULT_FADING_ANGLE,
                                    GIMP_PARAM_STATIC_STRINGS);
  GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_FADING_ASPECT_RATIO,
                                    "fading-aspect-ratio", NULL,
                                    DEFAULT_FADING_ASPECT_RATIO,
                                    GIMP_PARAM_STATIC_STRINGS);

}

static void
gimp_dynamics_init (GimpDynamics *options)
{
  options->opacity_dynamics      = gimp_dynamics_output_init();

  options->hardness_dynamics     = gimp_dynamics_output_init();

  options->rate_dynamics         = gimp_dynamics_output_init();

  options->size_dynamics         = gimp_dynamics_output_init();

  options->aspect_ratio_dynamics = gimp_dynamics_output_init();

  options->color_dynamics        = gimp_dynamics_output_init();

  options->angle_dynamics        = gimp_dynamics_output_init();

}


static void
gimp_dynamics_finalize (GObject *object)
{
  GimpDynamics *options = GIMP_DYNAMICS (object);

  gimp_dynamics_output_finalize   (options->opacity_dynamics);

  gimp_dynamics_output_finalize   (options->hardness_dynamics);

  gimp_dynamics_output_finalize   (options->rate_dynamics);

  gimp_dynamics_output_finalize   (options->size_dynamics);

  gimp_dynamics_output_finalize   (options->aspect_ratio_dynamics);

  gimp_dynamics_output_finalize   (options->color_dynamics);

  gimp_dynamics_output_finalize   (options->angle_dynamics);

  G_OBJECT_CLASS (parent_class)->finalize (object);
}

static GimpDynamicsOutput*
gimp_dynamics_output_init()
{
  GimpDynamicsOutput * dynamics = g_slice_new0 (GimpDynamicsOutput);

  dynamics->pressure_curve = g_object_new (GIMP_TYPE_CURVE,
                             "name",       "Pressure curve",
                              NULL);
  dynamics->velocity_curve = g_object_new (GIMP_TYPE_CURVE,
                             "name",       "Velocity curve",
                             NULL);
  dynamics->direction_curve = g_object_new (GIMP_TYPE_CURVE,
                              "name",       "Direction curve",
                              NULL);
  dynamics->tilt_curve      = g_object_new (GIMP_TYPE_CURVE,
                              "name",       "Tilt curve",
                              NULL);
  dynamics->random_curve    = g_object_new (GIMP_TYPE_CURVE,
                              "name",       "Random curve",
                              NULL);
  dynamics->fade_curve      = g_object_new (GIMP_TYPE_CURVE,
                              "name",       "Fade curve",
                              NULL);
  return dynamics;
}

static void
gimp_dynamics_output_finalize  (GimpDynamicsOutput *dynamics)
{
  g_object_unref(dynamics->pressure_curve);

  g_object_unref(dynamics->velocity_curve);

  g_object_unref(dynamics->direction_curve);

  g_object_unref(dynamics->tilt_curve);

  g_object_unref(dynamics->random_curve);

  g_object_unref(dynamics->fade_curve);

  g_slice_free (GimpDynamicsOutput,  dynamics);

}


static void
gimp_dynamics_set_property (GObject      *object,
                                    guint         property_id,
                                    const GValue *value,
                                    GParamSpec   *pspec)
{
  GimpDynamics *options           = GIMP_DYNAMICS (object);

  GimpDynamicsOutput *opacity_dynamics      = options->opacity_dynamics;
  GimpDynamicsOutput *hardness_dynamics     = options->hardness_dynamics;
  GimpDynamicsOutput *rate_dynamics         = options->rate_dynamics;
  GimpDynamicsOutput *size_dynamics         = options->size_dynamics;
  GimpDynamicsOutput *aspect_ratio_dynamics = options->aspect_ratio_dynamics;
  GimpDynamicsOutput *color_dynamics        = options->color_dynamics;
  GimpDynamicsOutput *angle_dynamics        = options->angle_dynamics;

  switch (property_id)
    {

    case PROP_PRESSURE_OPACITY:
      opacity_dynamics->pressure = g_value_get_boolean (value);
      break;

    case PROP_PRESSURE_HARDNESS:
      hardness_dynamics->pressure = g_value_get_boolean (value);
      break;

    case PROP_PRESSURE_RATE:
      rate_dynamics->pressure = g_value_get_boolean (value);
      break;

    case PROP_PRESSURE_SIZE:
      size_dynamics->pressure = g_value_get_boolean (value);
      break;

    case PROP_PRESSURE_ASPECT_RATIO:
      aspect_ratio_dynamics->pressure = g_value_get_boolean (value);
      break;

    case PROP_PRESSURE_COLOR:
      color_dynamics->pressure = g_value_get_boolean (value);
      break;

    case PROP_PRESSURE_ANGLE:
      angle_dynamics->pressure = g_value_get_boolean (value);
      break;

    case PROP_VELOCITY_OPACITY:
      opacity_dynamics->velocity = g_value_get_boolean (value);
      break;

    case PROP_VELOCITY_HARDNESS:
      hardness_dynamics->velocity = g_value_get_boolean (value);
      break;

    case PROP_VELOCITY_RATE:
      rate_dynamics->velocity = g_value_get_boolean (value);
      break;

    case PROP_VELOCITY_SIZE:
      size_dynamics->velocity = g_value_get_boolean (value);
      break;

    case PROP_VELOCITY_ASPECT_RATIO:
      aspect_ratio_dynamics->velocity = g_value_get_boolean (value);
      break;

    case PROP_VELOCITY_COLOR:
      color_dynamics->velocity = g_value_get_boolean (value);
      break;

    case PROP_VELOCITY_ANGLE:
      angle_dynamics->velocity = g_value_get_boolean (value);
      break;

    case PROP_DIRECTION_OPACITY:
      opacity_dynamics->direction = g_value_get_boolean (value);
      break;

    case PROP_DIRECTION_HARDNESS:
      hardness_dynamics->direction = g_value_get_boolean (value);
      break;

    case PROP_DIRECTION_RATE:
      rate_dynamics->direction = g_value_get_boolean (value);
      break;

    case PROP_DIRECTION_SIZE:
      size_dynamics->direction = g_value_get_boolean (value);
      break;

    case PROP_DIRECTION_ASPECT_RATIO:
      aspect_ratio_dynamics->direction = g_value_get_boolean (value);
      break;

    case PROP_DIRECTION_COLOR:
      color_dynamics->direction = g_value_get_boolean (value);
      break;

    case PROP_DIRECTION_ANGLE:
      angle_dynamics->direction = g_value_get_boolean (value);
      break;

    case PROP_TILT_OPACITY:
      opacity_dynamics->tilt = g_value_get_boolean (value);
      break;

    case PROP_TILT_HARDNESS:
      hardness_dynamics->tilt = g_value_get_boolean (value);
      break;

    case PROP_TILT_RATE:
      rate_dynamics->tilt = g_value_get_boolean (value);
      break;

    case PROP_TILT_SIZE:
      size_dynamics->tilt = g_value_get_boolean (value);
      break;

    case PROP_TILT_ASPECT_RATIO:
      aspect_ratio_dynamics->tilt = g_value_get_boolean (value);
      break;

    case PROP_TILT_COLOR:
      color_dynamics->tilt = g_value_get_boolean (value);
      break;

    case PROP_TILT_ANGLE:
      angle_dynamics->tilt = g_value_get_boolean (value);
      break;

    case PROP_RANDOM_OPACITY:
      opacity_dynamics->random = g_value_get_boolean (value);
      break;

    case PROP_RANDOM_HARDNESS:
      hardness_dynamics->random = g_value_get_boolean (value);
      break;

    case PROP_RANDOM_RATE:
      rate_dynamics->random = g_value_get_boolean (value);
      break;

    case PROP_RANDOM_SIZE:
      size_dynamics->random = g_value_get_boolean (value);
      break;

    case PROP_RANDOM_ASPECT_RATIO:
      aspect_ratio_dynamics->random = g_value_get_boolean (value);
      break;

    case PROP_RANDOM_COLOR:
      color_dynamics->random = g_value_get_boolean (value);
      break;

    case PROP_RANDOM_ANGLE:
      angle_dynamics->random = g_value_get_boolean (value);
      break;


/*Fading*/
    case PROP_FADING_OPACITY:
      opacity_dynamics->fade = g_value_get_boolean (value);
      break;

    case PROP_FADING_HARDNESS:
      hardness_dynamics->fade = g_value_get_boolean (value);
      break;

    case PROP_FADING_RATE:
      rate_dynamics->fade = g_value_get_boolean (value);
      break;

    case PROP_FADING_SIZE:
      size_dynamics->fade = g_value_get_boolean (value);
      break;

    case PROP_FADING_ASPECT_RATIO:
      aspect_ratio_dynamics->fade = g_value_get_boolean (value);
      break;

    case PROP_FADING_COLOR:
      color_dynamics->fade = g_value_get_boolean (value);
      break;

    case PROP_FADING_ANGLE:
      angle_dynamics->fade = g_value_get_boolean (value);
      break;

    default:
      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
      break;
    }
}



static void
gimp_dynamics_get_property (GObject    *object,
                                 guint       property_id,
                                 GValue     *value,
                                 GParamSpec *pspec)
{
  GimpDynamics *options           = GIMP_DYNAMICS (object);
  GimpDynamicsOutput *opacity_dynamics      = options->opacity_dynamics;
  GimpDynamicsOutput *hardness_dynamics     = options->hardness_dynamics;
  GimpDynamicsOutput *rate_dynamics         = options->rate_dynamics;
  GimpDynamicsOutput *size_dynamics         = options->size_dynamics;
  GimpDynamicsOutput *aspect_ratio_dynamics = options->aspect_ratio_dynamics;
  GimpDynamicsOutput *color_dynamics        = options->color_dynamics;
  GimpDynamicsOutput *angle_dynamics        = options->angle_dynamics;

  switch (property_id)
    {

    case PROP_PRESSURE_OPACITY:
      g_value_set_boolean (value, opacity_dynamics->pressure);
      break;

    case PROP_PRESSURE_HARDNESS:
      g_value_set_boolean (value, hardness_dynamics->pressure);
      break;

    case PROP_PRESSURE_RATE:
      g_value_set_boolean (value, rate_dynamics->pressure);
      break;

    case PROP_PRESSURE_SIZE:
      g_value_set_boolean (value, size_dynamics->pressure);
      break;

    case PROP_PRESSURE_ASPECT_RATIO:
      g_value_set_boolean (value, aspect_ratio_dynamics->pressure);
      break;

    case PROP_PRESSURE_COLOR:
      g_value_set_boolean (value, color_dynamics->pressure);
      break;

    case PROP_PRESSURE_ANGLE:
      g_value_set_boolean (value, angle_dynamics->pressure);
      break;

    case PROP_VELOCITY_OPACITY:
      g_value_set_boolean (value, opacity_dynamics->velocity);
      break;

    case PROP_VELOCITY_HARDNESS:
      g_value_set_boolean (value, hardness_dynamics->velocity);
      break;

    case PROP_VELOCITY_RATE:
      g_value_set_boolean (value, rate_dynamics->velocity);
      break;

    case PROP_VELOCITY_SIZE:
      g_value_set_boolean (value, size_dynamics->velocity);
      break;

    case PROP_VELOCITY_ASPECT_RATIO:
      g_value_set_boolean (value, aspect_ratio_dynamics->velocity);
      break;

    case PROP_VELOCITY_COLOR:
      g_value_set_boolean (value, color_dynamics->velocity);
      break;

    case PROP_VELOCITY_ANGLE:
      g_value_set_boolean (value, angle_dynamics->velocity);
      break;

    case PROP_DIRECTION_OPACITY:
      g_value_set_boolean (value, opacity_dynamics->direction);
      break;

    case PROP_DIRECTION_HARDNESS:
      g_value_set_boolean (value, hardness_dynamics->direction);
      break;

    case PROP_DIRECTION_RATE:
      g_value_set_boolean (value, rate_dynamics->direction);
      break;

    case PROP_DIRECTION_SIZE:
      g_value_set_boolean (value, size_dynamics->direction);
      break;

    case PROP_DIRECTION_ASPECT_RATIO:
      g_value_set_boolean (value, aspect_ratio_dynamics->direction);
      break;

    case PROP_DIRECTION_COLOR:
      g_value_set_boolean (value, color_dynamics->direction);
      break;

    case PROP_DIRECTION_ANGLE:
      g_value_set_boolean (value, angle_dynamics->direction);
      break;


    case PROP_TILT_OPACITY:
      g_value_set_boolean (value, opacity_dynamics->tilt);
      break;

    case PROP_TILT_HARDNESS:
      g_value_set_boolean (value, hardness_dynamics->tilt);
      break;

    case PROP_TILT_RATE:
      g_value_set_boolean (value, rate_dynamics->tilt);
      break;

    case PROP_TILT_SIZE:
      g_value_set_boolean (value, size_dynamics->tilt);
      break;

    case PROP_TILT_ASPECT_RATIO:
      g_value_set_boolean (value, aspect_ratio_dynamics->tilt);
      break;

    case PROP_TILT_COLOR:
      g_value_set_boolean (value, color_dynamics->tilt);
      break;

    case PROP_TILT_ANGLE:
      g_value_set_boolean (value, angle_dynamics->tilt);
      break;

    case PROP_RANDOM_OPACITY:
      g_value_set_boolean (value, opacity_dynamics->random);
      break;

    case PROP_RANDOM_HARDNESS:
      g_value_set_boolean (value, hardness_dynamics->random);
      break;

    case PROP_RANDOM_RATE:
      g_value_set_boolean (value, rate_dynamics->random);
      break;

    case PROP_RANDOM_SIZE:
      g_value_set_boolean (value, size_dynamics->random);
      break;

    case PROP_RANDOM_ASPECT_RATIO:
      g_value_set_boolean (value, aspect_ratio_dynamics->random);
      break;

    case PROP_RANDOM_COLOR:
      g_value_set_boolean (value, color_dynamics->random);
      break;

    case PROP_RANDOM_ANGLE:
      g_value_set_boolean (value, angle_dynamics->random);
      break;

/*fading*/

    case PROP_FADING_OPACITY:
      g_value_set_boolean (value, opacity_dynamics->fade);
      break;

    case PROP_FADING_HARDNESS:
      g_value_set_boolean (value, hardness_dynamics->fade);
      break;

    case PROP_FADING_RATE:
      g_value_set_boolean (value, rate_dynamics->fade);
      break;

    case PROP_FADING_SIZE:
      g_value_set_boolean (value, size_dynamics->fade);
      break;

    case PROP_FADING_ASPECT_RATIO:
      g_value_set_boolean (value, aspect_ratio_dynamics->fade);
      break;

    case PROP_FADING_COLOR:
      g_value_set_boolean (value, color_dynamics->fade);
      break;

    case PROP_FADING_ANGLE:
      g_value_set_boolean (value, angle_dynamics->fade);
      break;

    default:
      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
      break;
    }
}


static void
gimp_dynamics_notify (GObject    *object,
                              GParamSpec *pspec)
{
/*
  GimpDynamics *options = GIMP_DYNAMICS (object);

  if (pspec->param_id == PROP_USE_GRADIENT)
    {
      if (options->gradient_options->use_gradient)
        {
          options->application_mode_save = options->application_mode;
          options->application_mode      = GIMP_PAINT_INCREMENTAL;
        }
      else
        {
          options->application_mode = options->application_mode_save;
        }

      g_object_notify (object, "application-mode");
    }

  if (G_OBJECT_CLASS (parent_class)->notify)
    G_OBJECT_CLASS (parent_class)->notify (object, pspec);
    */

}

GimpData *
gimp_dynamics_new (const gchar *name)
{
  GimpDynamics *options;

  options = g_object_new (GIMP_TYPE_DYNAMICS,
                          "name",       name,
                          NULL);

  return options;
}


GimpData *
gimp_dynamics_get_standard (void)
{
  static GimpData *standard_dynamics = NULL;

  if (! standard_dynamics)
    {
      standard_dynamics = gimp_dynamics_new ("Standard");

      standard_dynamics->dirty = FALSE;
      gimp_data_make_internal (standard_dynamics,
                               "gimp-dynamics-standard");

      g_object_ref (standard_dynamics);
    }

  return standard_dynamics;
}

gdouble
gimp_dynamics_get_output_val (GimpDynamicsOutput *output, GimpCoords *coords)
{
  printf("Dynamics queried...\n");
  return 1;
}

/* Calculates dynamics mix to be used for same parameter
 * (velocity/pressure/direction/tilt/random) mix Needed in may places and tools.
 *
 * Added one parameter: fading, the 6th driving factor.
 * (velocity/pressure/direction/tilt/random/fading)
 */