PIKApp/app/tools/pikacolortool.h

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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/>.
*/
#ifndef __PIKA_COLOR_TOOL_H__
#define __PIKA_COLOR_TOOL_H__
#include "pikadrawtool.h"
#define PIKA_TYPE_COLOR_TOOL (pika_color_tool_get_type ())
#define PIKA_COLOR_TOOL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), PIKA_TYPE_COLOR_TOOL, PikaColorTool))
#define PIKA_COLOR_TOOL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), PIKA_TYPE_COLOR_TOOL, PikaColorToolClass))
#define PIKA_IS_COLOR_TOOL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), PIKA_TYPE_COLOR_TOOL))
#define PIKA_IS_COLOR_TOOL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PIKA_TYPE_COLOR_TOOL))
#define PIKA_COLOR_TOOL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), PIKA_TYPE_COLOR_TOOL, PikaColorToolClass))
#define PIKA_COLOR_TOOL_GET_OPTIONS(t) (PIKA_COLOR_OPTIONS (pika_tool_get_options (PIKA_TOOL (t))))
typedef struct _PikaColorToolClass PikaColorToolClass;
struct _PikaColorTool
{
PikaDrawTool parent_instance;
gboolean enabled;
PikaColorOptions *options;
gboolean saved_snap_to;
PikaColorPickTarget pick_target;
gboolean can_pick;
gint center_x;
gint center_y;
PikaSamplePoint *sample_point;
};
struct _PikaColorToolClass
{
PikaDrawToolClass parent_class;
/* virtual functions */
gboolean (* can_pick) (PikaColorTool *tool,
const PikaCoords *coords,
PikaDisplay *display);
gboolean (* pick) (PikaColorTool *tool,
const PikaCoords *coords,
PikaDisplay *display,
const Babl **sample_format,
gpointer pixel,
PikaRGB *color);
/* signals */
void (* picked) (PikaColorTool *tool,
const PikaCoords *coords,
PikaDisplay *display,
PikaColorPickState pick_state,
const Babl *sample_format,
gpointer pixel,
const PikaRGB *color);
};
GType pika_color_tool_get_type (void) G_GNUC_CONST;
void pika_color_tool_enable (PikaColorTool *color_tool,
PikaColorOptions *options);
void pika_color_tool_disable (PikaColorTool *color_tool);
gboolean pika_color_tool_is_enabled (PikaColorTool *color_tool);
#endif /* __PIKA_COLOR_TOOL_H__ */