PIKApp/app/paint/pikamybrushoptions.c

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2023-09-26 00:35:21 +02:00
/* PIKA - Photo and Image Kooker Application
* a rebranding of The GNU Image Manipulation Program (created with heckimp)
* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
*
* Original copyright, applying to most contents (license remains unchanged):
* 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 <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <gegl.h>
#include "libpikabase/pikabase.h"
#include "libpikaconfig/pikaconfig.h"
#include "paint-types.h"
#include "core/pika.h"
#include "core/pikadrawable.h"
#include "core/pikamybrush.h"
#include "core/pikapaintinfo.h"
#include "pikamybrushoptions.h"
#include "pika-intl.h"
enum
{
PROP_0,
PROP_RADIUS,
PROP_OPAQUE,
PROP_HARDNESS,
PROP_ERASER,
PROP_NO_ERASING
};
static void pika_mybrush_options_config_iface_init (PikaConfigInterface *config_iface);
static void pika_mybrush_options_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void pika_mybrush_options_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static void pika_mybrush_options_mybrush_changed (PikaContext *context,
PikaMybrush *brush);
static void pika_mybrush_options_reset (PikaConfig *config);
G_DEFINE_TYPE_WITH_CODE (PikaMybrushOptions, pika_mybrush_options,
PIKA_TYPE_PAINT_OPTIONS,
G_IMPLEMENT_INTERFACE (PIKA_TYPE_CONFIG,
pika_mybrush_options_config_iface_init))
static PikaConfigInterface *parent_config_iface = NULL;
static void
pika_mybrush_options_class_init (PikaMybrushOptionsClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
PikaContextClass *context_class = PIKA_CONTEXT_CLASS (klass);
object_class->set_property = pika_mybrush_options_set_property;
object_class->get_property = pika_mybrush_options_get_property;
context_class->mybrush_changed = pika_mybrush_options_mybrush_changed;
PIKA_CONFIG_PROP_DOUBLE (object_class, PROP_RADIUS,
"radius",
_("Radius"),
NULL,
-2.0, 6.0, 1.0,
PIKA_PARAM_STATIC_STRINGS);
PIKA_CONFIG_PROP_DOUBLE (object_class, PROP_OPAQUE,
"opaque",
_("Base Opacity"),
NULL,
0.0, 2.0, 1.0,
PIKA_PARAM_STATIC_STRINGS);
PIKA_CONFIG_PROP_DOUBLE (object_class, PROP_HARDNESS,
"hardness",
_("Hardness"),
NULL,
0.0, 1.0, 1.0,
PIKA_PARAM_STATIC_STRINGS);
PIKA_CONFIG_PROP_BOOLEAN (object_class, PROP_ERASER,
"eraser",
_("Erase with this brush"),
NULL,
FALSE,
PIKA_PARAM_STATIC_STRINGS);
PIKA_CONFIG_PROP_BOOLEAN (object_class, PROP_NO_ERASING,
"no-erasing",
_("No erasing effect"),
_("Never decrease alpha of existing pixels"),
FALSE,
PIKA_PARAM_STATIC_STRINGS);
}
static void
pika_mybrush_options_config_iface_init (PikaConfigInterface *config_iface)
{
parent_config_iface = g_type_interface_peek_parent (config_iface);
config_iface->reset = pika_mybrush_options_reset;
}
static void
pika_mybrush_options_init (PikaMybrushOptions *options)
{
}
static void
pika_mybrush_options_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
PikaMybrushOptions *options = PIKA_MYBRUSH_OPTIONS (object);
switch (property_id)
{
case PROP_RADIUS:
options->radius = g_value_get_double (value);
break;
case PROP_HARDNESS:
options->hardness = g_value_get_double (value);
break;
case PROP_OPAQUE:
options->opaque = g_value_get_double (value);
break;
case PROP_ERASER:
options->eraser = g_value_get_boolean (value);
break;
case PROP_NO_ERASING:
options->no_erasing = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
pika_mybrush_options_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
PikaMybrushOptions *options = PIKA_MYBRUSH_OPTIONS (object);
switch (property_id)
{
case PROP_RADIUS:
g_value_set_double (value, options->radius);
break;
case PROP_OPAQUE:
g_value_set_double (value, options->opaque);
break;
case PROP_HARDNESS:
g_value_set_double (value, options->hardness);
break;
case PROP_ERASER:
g_value_set_boolean (value, options->eraser);
break;
case PROP_NO_ERASING:
g_value_set_boolean (value, options->no_erasing);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
pika_mybrush_options_mybrush_changed (PikaContext *context,
PikaMybrush *brush)
{
if (brush)
g_object_set (context,
"radius", pika_mybrush_get_radius (brush),
"opaque", pika_mybrush_get_opaque (brush),
"hardness", pika_mybrush_get_hardness (brush),
"eraser", pika_mybrush_get_is_eraser (brush),
NULL);
}
static void
pika_mybrush_options_reset (PikaConfig *config)
{
PikaContext *context = PIKA_CONTEXT (config);
PikaMybrush *brush = pika_context_get_mybrush (context);
parent_config_iface->reset (config);
pika_mybrush_options_mybrush_changed (context, brush);
}