PIKApp/app/tools/pikaairbrushtool.c

/* 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 <gegl.h>
#include <gtk/gtk.h>

#include "libpikawidgets/pikawidgets.h"

#include "tools-types.h"

#include "paint/pikaairbrush.h"
#include "paint/pikaairbrushoptions.h"

#include "widgets/pikahelp-ids.h"
#include "widgets/pikapropwidgets.h"

#include "pikaairbrushtool.h"
#include "pikapaintoptions-gui.h"
#include "pikapainttool-paint.h"
#include "pikatoolcontrol.h"

#include "pika-intl.h"


static void        pika_airbrush_tool_constructed    (GObject          *object);

static void        pika_airbrush_tool_airbrush_stamp (PikaAirbrush     *airbrush,
                                                      PikaAirbrushTool *airbrush_tool);

static void        pika_airbrush_tool_stamp          (PikaAirbrushTool *airbrush_tool,
                                                      gpointer          data);

static GtkWidget * pika_airbrush_options_gui         (PikaToolOptions  *tool_options);


G_DEFINE_TYPE (PikaAirbrushTool, pika_airbrush_tool, PIKA_TYPE_PAINTBRUSH_TOOL)

#define parent_class pika_airbrush_tool_parent_class


void
pika_airbrush_tool_register (PikaToolRegisterCallback  callback,
                             gpointer                  data)
{
  (* callback) (PIKA_TYPE_AIRBRUSH_TOOL,
                PIKA_TYPE_AIRBRUSH_OPTIONS,
                pika_airbrush_options_gui,
                PIKA_PAINT_OPTIONS_CONTEXT_MASK |
                PIKA_CONTEXT_PROP_MASK_EXPAND   |
                PIKA_CONTEXT_PROP_MASK_PATTERN  |
                PIKA_CONTEXT_PROP_MASK_GRADIENT,
                "pika-airbrush-tool",
                _("Airbrush"),
                _("Airbrush Tool: Paint using a brush, with variable pressure"),
                N_("_Airbrush"), "A",
                NULL, PIKA_HELP_TOOL_AIRBRUSH,
                PIKA_ICON_TOOL_AIRBRUSH,
                data);
}

static void
pika_airbrush_tool_class_init (PikaAirbrushToolClass *klass)
{
  GObjectClass *object_class = G_OBJECT_CLASS (klass);

  object_class->constructed = pika_airbrush_tool_constructed;
}

static void
pika_airbrush_tool_init (PikaAirbrushTool *airbrush)
{
  PikaTool *tool = PIKA_TOOL (airbrush);

  pika_tool_control_set_tool_cursor (tool->control, PIKA_TOOL_CURSOR_AIRBRUSH);
}

static void
pika_airbrush_tool_constructed (GObject *object)
{
  PikaPaintTool *paint_tool = PIKA_PAINT_TOOL (object);

  G_OBJECT_CLASS (parent_class)->constructed (object);

  g_signal_connect_object (paint_tool->core, "stamp",
                           G_CALLBACK (pika_airbrush_tool_airbrush_stamp),
                           object, 0);
}

static void
pika_airbrush_tool_airbrush_stamp (PikaAirbrush     *airbrush,
                                   PikaAirbrushTool *airbrush_tool)
{
  PikaPaintTool *paint_tool = PIKA_PAINT_TOOL (airbrush_tool);

  pika_paint_tool_paint_push (
    paint_tool,
    (PikaPaintToolPaintFunc) pika_airbrush_tool_stamp,
    NULL);
}

static void
pika_airbrush_tool_stamp (PikaAirbrushTool *airbrush_tool,
                          gpointer          data)
{
  PikaPaintTool *paint_tool = PIKA_PAINT_TOOL (airbrush_tool);

  pika_airbrush_stamp (PIKA_AIRBRUSH (paint_tool->core));
}


/*  tool options stuff  */

static GtkWidget *
pika_airbrush_options_gui (PikaToolOptions *tool_options)
{
  GObject   *config = G_OBJECT (tool_options);
  GtkWidget *vbox   = pika_paint_options_gui (tool_options);
  GtkWidget *button;
  GtkWidget *scale;

  button = pika_prop_check_button_new (config, "motion-only", NULL);
  gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);

  scale = pika_prop_spin_scale_new (config, "rate",
                                    1.0, 10.0, 1);
  gtk_box_pack_start (GTK_BOX (vbox), scale, FALSE, FALSE, 0);

  scale = pika_prop_spin_scale_new (config, "flow",
                                    1.0, 10.0, 1);
  gtk_box_pack_start (GTK_BOX (vbox), scale, FALSE, FALSE, 0);

  return vbox;
}