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diff --git a/source/blender/makesdna/DNA_lineart_types.h b/source/blender/makesdna/DNA_lineart_types.h
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+++ b/source/blender/makesdna/DNA_lineart_types.h
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+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * 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 2
+ * 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, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2010 Blender Foundation.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): none yet.
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+#ifndef __DNA_LRT_TYPES_H__
+#define __DNA_LRT_TYPES_H__
+
+/** \file DNA_lineart_types.h
+ *  \ingroup DNA
+ */
+
+#include "DNA_ID.h"
+#include "DNA_listBase.h"
+
+struct Object;
+struct Material;
+
+/* Notice that we need to have this file although no struct defines.
+ * Edge flags and usage flags are used by with scene/object/gpencil modifier bits, and those values
+ * needs to stay consistent throughout. */
+
+typedef enum eLineartMainFlags {
+  LRT_INTERSECTION_AS_CONTOUR = (1 << 0),
+  LRT_EVERYTHING_AS_CONTOUR = (1 << 1),
+  LRT_ALLOW_DUPLI_OBJECTS = (1 << 2),
+  LRT_ALLOW_OVERLAPPING_EDGES = (1 << 3),
+  LRT_ALLOW_CLIPPING_BOUNDARIES = (1 << 4),
+  LRT_REMOVE_DOUBLES = (1 << 5),
+} eLineartMainFlags;
+
+typedef enum eLineartEdgeFlag {
+  LRT_EDGE_FLAG_EDGE_MARK = (1 << 0),
+  LRT_EDGE_FLAG_CONTOUR = (1 << 1),
+  LRT_EDGE_FLAG_CREASE = (1 << 2),
+  LRT_EDGE_FLAG_MATERIAL = (1 << 3),
+  LRT_EDGE_FLAG_INTERSECTION = (1 << 4),
+  /**  floating edge, unimplemented yet */
+  LRT_EDGE_FLAG_FLOATING = (1 << 5),
+  /**  also used as discarded line mark */
+  LRT_EDGE_FLAG_CHAIN_PICKED = (1 << 6),
+  LRT_EDGE_FLAG_CLIPPED = (1 << 7),
+  /* Maxed out for 8 bits, DON'T ADD ANYMORE until improvements on the data structure. */
+} eLineartEdgeFlag;
+
+#define LRT_EDGE_FLAG_ALL_TYPE 0x3f
+
+#endif