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/*
* 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) 2015 Blender Foundation.
* All rights reserved.
*/
#ifndef __OPENVDB_CAPI_H__
#define __OPENVDB_CAPI_H__
#ifdef __cplusplus
extern "C" {
#endif
/* Level Set Filters */
typedef enum OpenVDBLevelSet_FilterType {
OPENVDB_LEVELSET_FILTER_NONE = 0,
OPENVDB_LEVELSET_FILTER_GAUSSIAN = 1,
OPENVDB_LEVELSET_FILTER_MEAN = 2,
OPENVDB_LEVELSET_FILTER_MEDIAN = 3,
OPENVDB_LEVELSET_FILTER_MEAN_CURVATURE = 4,
OPENVDB_LEVELSET_FILTER_LAPLACIAN = 5,
OPENVDB_LEVELSET_FILTER_DILATE = 6,
OPENVDB_LEVELSET_FILTER_ERODE = 7,
} OpenVDBLevelSet_FilterType;
typedef enum OpenVDBLevelSet_FilterBias {
OPENVDB_LEVELSET_FIRST_BIAS = 0,
OPENVDB_LEVELSET_SECOND_BIAS,
OPENVDB_LEVELSET_THIRD_BIAS,
OPENVDB_LEVELSET_WENO5_BIAS,
OPENVDB_LEVELSET_HJWENO5_BIAS,
} OpenVDBLevelSet_FilterBias;
/* Level Set CSG Operations */
typedef enum OpenVDBLevelSet_CSGOperation {
OPENVDB_LEVELSET_CSG_UNION = 0,
OPENVDB_LEVELSET_CSG_DIFFERENCE = 1,
OPENVDB_LEVELSET_CSG_INTERSECTION = 2,
} OpenVDBLevelSet_CSGOperation;
typedef enum OpenVDBLevelSet_GridSampler {
OPENVDB_LEVELSET_GRIDSAMPLER_NONE = 0,
OPENVDB_LEVELSET_GRIDSAMPLER_POINT = 1,
OPENVDB_LEVELSET_GRIDSAMPLER_BOX = 2,
OPENVDB_LEVELSET_GRIDSAMPLER_QUADRATIC = 3,
} OpenVDBLevelSet_Gridsampler;
struct OpenVDBTransform;
struct OpenVDBLevelSet;
struct OpenVDBVolumeToMeshData {
int tottriangles;
int totquads;
int totvertices;
float *vertices;
int *quads;
int *triangles;
};
struct OpenVDBRemeshData {
float *verts;
int *faces;
int totfaces;
int totverts;
float *out_verts;
int *out_faces;
int *out_tris;
int out_totverts;
int out_totfaces;
int out_tottris;
int filter_type;
enum OpenVDBLevelSet_FilterType filter_bias;
enum OpenVDBLevelSet_FilterBias filter_width; /* Parameter for gaussian, median, mean. */
float voxel_size;
float isovalue;
float adaptivity;
int relax_disoriented_triangles;
};
int OpenVDB_getVersionHex(void);
enum {
VEC_INVARIANT = 0,
VEC_COVARIANT = 1,
VEC_COVARIANT_NORMALIZE = 2,
VEC_CONTRAVARIANT_RELATIVE = 3,
VEC_CONTRAVARIANT_ABSOLUTE = 4,
};
struct OpenVDBTransform *OpenVDBTransform_create(void);
void OpenVDBTransform_free(struct OpenVDBTransform *transform);
void OpenVDBTransform_create_linear_transform(struct OpenVDBTransform *transform,
double voxel_size);
struct OpenVDBLevelSet *OpenVDBLevelSet_create(bool initGrid, struct OpenVDBTransform *xform);
void OpenVDBLevelSet_free(struct OpenVDBLevelSet *level_set);
void OpenVDBLevelSet_mesh_to_level_set(struct OpenVDBLevelSet *level_set,
const float *vertices,
const int *faces,
const int totvertices,
const int totfaces,
struct OpenVDBTransform *xform);
void OpenVDBLevelSet_mesh_to_level_set_transform(struct OpenVDBLevelSet *level_set,
const float *vertices,
const int *faces,
const int totvertices,
const int totfaces,
struct OpenVDBTransform *transform);
void OpenVDBLevelSet_volume_to_mesh(struct OpenVDBLevelSet *level_set,
struct OpenVDBVolumeToMeshData *mesh,
const double isovalue,
const double adaptivity,
const bool relax_disoriented_triangles);
void OpenVDBLevelSet_filter(struct OpenVDBLevelSet *level_set,
OpenVDBLevelSet_FilterType filter_type,
int width,
float distance,
OpenVDBLevelSet_FilterBias bias);
void OpenVDBLevelSet_CSG_operation(struct OpenVDBLevelSet *out,
struct OpenVDBLevelSet *gridA,
struct OpenVDBLevelSet *gridB,
OpenVDBLevelSet_CSGOperation operation);
struct OpenVDBLevelSet *OpenVDBLevelSet_transform_and_resample(struct OpenVDBLevelSet *level_setA,
struct OpenVDBLevelSet *level_setB,
char sampler,
float isolevel);
#ifdef __cplusplus
}
#endif
#endif /* __OPENVDB_CAPI_H__ */
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