gtk/gdk/gdkdihedralprivate.h
Benjamin Otte 3bcfc5539c transform: Add gsk_transform_to_dihedral()
I hate everything about this.

Is is xy or yx now?
Do I need to combine(a, b) or combine(b, a)?
2024-07-10 14:38:48 +02:00

46 lines
1.6 KiB
C

/* GDK - The GIMP Drawing Kit
* Copyright (C) 2024 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <glib.h>
G_BEGIN_DECLS
typedef enum {
GDK_DIHEDRAL_NORMAL,
GDK_DIHEDRAL_90,
GDK_DIHEDRAL_180,
GDK_DIHEDRAL_270,
GDK_DIHEDRAL_FLIPPED,
GDK_DIHEDRAL_FLIPPED_90,
GDK_DIHEDRAL_FLIPPED_180,
GDK_DIHEDRAL_FLIPPED_270,
} GdkDihedral;
void gdk_dihedral_get_mat2 (GdkDihedral transform,
float *xx,
float *xy,
float *yx,
float *yy);
GdkDihedral gdk_dihedral_combine (GdkDihedral first,
GdkDihedral second);
G_END_DECLS