PIKApp/app/core/pikasymmetry.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
*
* pikasymmetry.h
* Copyright (C) 2015 Jehan <jehan@gimp.org>
*
* 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_SYMMETRY_H__
#define __PIKA_SYMMETRY_H__
#include "pikaobject.h"
/* shift one more than PIKA_CONFIG_PARAM_DONT_COMPARE */
#define PIKA_SYMMETRY_PARAM_GUI (1 << (7 + G_PARAM_USER_SHIFT))
#define PIKA_TYPE_SYMMETRY (pika_symmetry_get_type ())
#define PIKA_SYMMETRY(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), PIKA_TYPE_SYMMETRY, PikaSymmetry))
#define PIKA_SYMMETRY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), PIKA_TYPE_SYMMETRY, PikaSymmetryClass))
#define PIKA_IS_SYMMETRY(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), PIKA_TYPE_SYMMETRY))
#define PIKA_IS_SYMMETRY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PIKA_TYPE_SYMMETRY))
#define PIKA_SYMMETRY_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), PIKA_TYPE_SYMMETRY, PikaSymmetryClass))
typedef struct _PikaSymmetryClass PikaSymmetryClass;
struct _PikaSymmetry
{
PikaObject parent_instance;
PikaImage *image;
PikaDrawable *drawable;
PikaCoords *origin;
gboolean active;
gint version;
GList *strokes;
gboolean stateful;
};
struct _PikaSymmetryClass
{
PikaObjectClass parent_class;
const gchar * label;
/* Virtual functions */
void (* update_strokes) (PikaSymmetry *symmetry,
PikaDrawable *drawable,
PikaCoords *origin);
void (* get_transform) (PikaSymmetry *symmetry,
gint stroke,
gdouble *angle,
gboolean *reflect);
void (* active_changed) (PikaSymmetry *symmetry);
gboolean (* update_version) (PikaSymmetry *symmetry);
};
GType pika_symmetry_get_type (void) G_GNUC_CONST;
void pika_symmetry_set_stateful (PikaSymmetry *symmetry,
gboolean stateful);
void pika_symmetry_set_origin (PikaSymmetry *symmetry,
PikaDrawable *drawable,
PikaCoords *origin);
void pika_symmetry_clear_origin (PikaSymmetry *symmetry);
PikaCoords * pika_symmetry_get_origin (PikaSymmetry *symmetry);
gint pika_symmetry_get_size (PikaSymmetry *symmetry);
PikaCoords * pika_symmetry_get_coords (PikaSymmetry *symmetry,
gint stroke);
void pika_symmetry_get_transform (PikaSymmetry *symmetry,
gint stroke,
gdouble *angle,
gboolean *reflect);
void pika_symmetry_get_matrix (PikaSymmetry *symmetry,
gint stroke,
PikaMatrix3 *matrix);
GeglNode * pika_symmetry_get_operation (PikaSymmetry *symmetry,
gint stroke);
gchar * pika_symmetry_parasite_name (GType type);
PikaParasite * pika_symmetry_to_parasite (const PikaSymmetry *symmetry);
PikaSymmetry * pika_symmetry_from_parasite (const PikaParasite *parasite,
PikaImage *image,
GType type);
#endif /* __PIKA_SYMMETRY_H__ */