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