gimp/app/paint/gimpairbrushoptions.c

/* 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 <http://www.gnu.org/licenses/>.
 */

#include "config.h"

#include <glib-object.h>

#include "libgimpconfig/gimpconfig.h"

#include "paint-types.h"

#include "gimpairbrushoptions.h"


#define AIRBRUSH_DEFAULT_RATE     80.0
#define AIRBRUSH_DEFAULT_PRESSURE 10.0


enum
{
  PROP_0,
  PROP_RATE,
  PROP_PRESSURE,
  PROP_VELOCITY_SIZE,
  PROP_VELOCITY_HARDNESS
};


static void   gimp_airbrush_options_set_property (GObject      *object,
                                                  guint         property_id,
                                                  const GValue *value,
                                                  GParamSpec   *pspec);
static void   gimp_airbrush_options_get_property (GObject      *object,
                                                  guint         property_id,
                                                  GValue       *value,
                                                  GParamSpec   *pspec);


G_DEFINE_TYPE (GimpAirbrushOptions, gimp_airbrush_options,
               GIMP_TYPE_PAINT_OPTIONS)


static void
gimp_airbrush_options_class_init (GimpAirbrushOptionsClass *klass)
{
  GObjectClass *object_class = G_OBJECT_CLASS (klass);

  object_class->set_property = gimp_airbrush_options_set_property;
  object_class->get_property = gimp_airbrush_options_get_property;

  GIMP_CONFIG_INSTALL_PROP_DOUBLE (object_class, PROP_RATE,
                                   "rate", NULL,
                                   0.0, 150.0, AIRBRUSH_DEFAULT_RATE,
                                   GIMP_PARAM_STATIC_STRINGS);
  GIMP_CONFIG_INSTALL_PROP_DOUBLE (object_class, PROP_PRESSURE,
                                   "pressure", NULL,
                                   0.0, 100.0, AIRBRUSH_DEFAULT_PRESSURE,
                                   GIMP_PARAM_STATIC_STRINGS);

  /* override velocity-size because its unnatural as a default for airbrush */
  GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_VELOCITY_SIZE,
                                    "velocity-size", NULL,
                                    FALSE,
                                    GIMP_PARAM_STATIC_STRINGS);

  /* override velocity-hardness to default to a true,
   * because that is natural for airbrush
   */
  GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_VELOCITY_HARDNESS,
                                    "velocity-hardness", NULL,
                                    TRUE,
                                    GIMP_PARAM_STATIC_STRINGS);
}

static void
gimp_airbrush_options_init (GimpAirbrushOptions *options)
{
}

static void
gimp_airbrush_options_set_property (GObject      *object,
                                    guint         property_id,
                                    const GValue *value,
                                    GParamSpec   *pspec)
{
  GimpAirbrushOptions *options = GIMP_AIRBRUSH_OPTIONS (object);

  switch (property_id)
    {
    case PROP_RATE:
      options->rate = g_value_get_double (value);
      break;
    case PROP_PRESSURE:
      options->pressure = g_value_get_double (value);
      break;
    case PROP_VELOCITY_SIZE:
      GIMP_PAINT_OPTIONS (options)->velocity_options->size = g_value_get_boolean (value);
      break;
    case PROP_VELOCITY_HARDNESS:
      GIMP_PAINT_OPTIONS (options)->velocity_options->hardness = g_value_get_boolean (value);
      break;

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

static void
gimp_airbrush_options_get_property (GObject    *object,
                                    guint       property_id,
                                    GValue     *value,
                                    GParamSpec *pspec)
{
  GimpAirbrushOptions *options = GIMP_AIRBRUSH_OPTIONS (object);

  switch (property_id)
    {
    case PROP_RATE:
      g_value_set_double (value, options->rate);
      break;
    case PROP_PRESSURE:
      g_value_set_double (value, options->pressure);
      break;
    case PROP_VELOCITY_SIZE:
      g_value_set_boolean (value, GIMP_PAINT_OPTIONS (options)->velocity_options->size);
      break;
    case PROP_VELOCITY_HARDNESS:
      g_value_set_boolean (value, GIMP_PAINT_OPTIONS (options)->velocity_options->hardness);
      break;

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