Nature.h

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/* SPDX-FileCopyrightText: 2023 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#pragma once
 
#include "BLI_sys_types.h"
 
namespace Freestyle {
 
namespace Nature {
 
/* XXX Why not using enums??? */
/* In order to optimize for space (enum is int) - T.K. */
 
typedef ushort VertexNature;
static const VertexNature POINT = 0;  // 0
static const VertexNature S_VERTEX = (1 << 0);  // 1
static const VertexNature VIEW_VERTEX = (1 << 1);  // 2
static const VertexNature NON_T_VERTEX = (1 << 2);  // 4
static const VertexNature T_VERTEX = (1 << 3);  // 8
static const VertexNature CUSP = (1 << 4);  // 16
 
typedef ushort EdgeNature;
static const EdgeNature NO_FEATURE = 0;  // 0
static const EdgeNature SILHOUETTE = (1 << 0);  // 1
static const EdgeNature BORDER = (1 << 1);  // 2
static const EdgeNature CREASE = (1 << 2);  // 4
static const EdgeNature RIDGE = (1 << 3);  // 8
static const EdgeNature VALLEY = (1 << 4);  // 16
static const EdgeNature SUGGESTIVE_CONTOUR = (1 << 5);  // 32
static const EdgeNature MATERIAL_BOUNDARY = (1 << 6);  // 64
static const EdgeNature EDGE_MARK = (1 << 7);  // 128
 
}  // end of namespace Nature
 
} /* namespace Freestyle */