111 lines
4.7 KiB
C
111 lines
4.7 KiB
C
/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* pikasymmetry.h
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* Copyright (C) 2015 Jehan <jehan@gimp.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef __PIKA_SYMMETRY_H__
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#define __PIKA_SYMMETRY_H__
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#include "pikaobject.h"
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/* shift one more than PIKA_CONFIG_PARAM_DONT_COMPARE */
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#define PIKA_SYMMETRY_PARAM_GUI (1 << (7 + G_PARAM_USER_SHIFT))
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#define PIKA_TYPE_SYMMETRY (pika_symmetry_get_type ())
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#define PIKA_SYMMETRY(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), PIKA_TYPE_SYMMETRY, PikaSymmetry))
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#define PIKA_SYMMETRY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), PIKA_TYPE_SYMMETRY, PikaSymmetryClass))
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#define PIKA_IS_SYMMETRY(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), PIKA_TYPE_SYMMETRY))
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#define PIKA_IS_SYMMETRY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PIKA_TYPE_SYMMETRY))
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#define PIKA_SYMMETRY_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), PIKA_TYPE_SYMMETRY, PikaSymmetryClass))
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typedef struct _PikaSymmetryClass PikaSymmetryClass;
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struct _PikaSymmetry
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{
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PikaObject parent_instance;
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PikaImage *image;
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PikaDrawable *drawable;
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PikaCoords *origin;
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gboolean active;
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gint version;
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GList *strokes;
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gboolean stateful;
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};
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struct _PikaSymmetryClass
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{
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PikaObjectClass parent_class;
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const gchar * label;
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/* Virtual functions */
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void (* update_strokes) (PikaSymmetry *symmetry,
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PikaDrawable *drawable,
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PikaCoords *origin);
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void (* get_transform) (PikaSymmetry *symmetry,
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gint stroke,
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gdouble *angle,
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gboolean *reflect);
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void (* active_changed) (PikaSymmetry *symmetry);
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gboolean (* update_version) (PikaSymmetry *symmetry);
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};
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GType pika_symmetry_get_type (void) G_GNUC_CONST;
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void pika_symmetry_set_stateful (PikaSymmetry *symmetry,
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gboolean stateful);
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void pika_symmetry_set_origin (PikaSymmetry *symmetry,
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PikaDrawable *drawable,
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PikaCoords *origin);
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void pika_symmetry_clear_origin (PikaSymmetry *symmetry);
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PikaCoords * pika_symmetry_get_origin (PikaSymmetry *symmetry);
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gint pika_symmetry_get_size (PikaSymmetry *symmetry);
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PikaCoords * pika_symmetry_get_coords (PikaSymmetry *symmetry,
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gint stroke);
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void pika_symmetry_get_transform (PikaSymmetry *symmetry,
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gint stroke,
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gdouble *angle,
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gboolean *reflect);
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void pika_symmetry_get_matrix (PikaSymmetry *symmetry,
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gint stroke,
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PikaMatrix3 *matrix);
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GeglNode * pika_symmetry_get_operation (PikaSymmetry *symmetry,
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gint stroke);
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gchar * pika_symmetry_parasite_name (GType type);
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PikaParasite * pika_symmetry_to_parasite (const PikaSymmetry *symmetry);
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PikaSymmetry * pika_symmetry_from_parasite (const PikaParasite *parasite,
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PikaImage *image,
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GType type);
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#endif /* __PIKA_SYMMETRY_H__ */
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