9ac3964be1
This code is needed to implement the Voxel Remesher as well as other features like a better remesh modifier with filters and CSG operations. Done by Martin Felke and Pablo Dobarro Reviewed By: brecht Differential Revision: https://developer.blender.org/D5364
227 lines
9.6 KiB
C
227 lines
9.6 KiB
C
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2015 Blender Foundation.
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* All rights reserved.
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*/
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#ifndef __OPENVDB_CAPI_H__
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#define __OPENVDB_CAPI_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Level Set Filters */
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typedef enum OpenVDBLevelSet_FilterType {
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OPENVDB_LEVELSET_FILTER_NONE = 0,
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OPENVDB_LEVELSET_FILTER_GAUSSIAN = 1,
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OPENVDB_LEVELSET_FILTER_MEAN = 2,
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OPENVDB_LEVELSET_FILTER_MEDIAN = 3,
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OPENVDB_LEVELSET_FILTER_MEAN_CURVATURE = 4,
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OPENVDB_LEVELSET_FILTER_LAPLACIAN = 5,
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OPENVDB_LEVELSET_FILTER_DILATE = 6,
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OPENVDB_LEVELSET_FILTER_ERODE = 7,
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} OpenVDBLevelSet_FilterType;
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typedef enum OpenVDBLevelSet_FilterBias {
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OPENVDB_LEVELSET_FIRST_BIAS = 0,
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OPENVDB_LEVELSET_SECOND_BIAS,
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OPENVDB_LEVELSET_THIRD_BIAS,
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OPENVDB_LEVELSET_WENO5_BIAS,
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OPENVDB_LEVELSET_HJWENO5_BIAS,
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} OpenVDBLevelSet_FilterBias;
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/* Level Set CSG Operations */
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typedef enum OpenVDBLevelSet_CSGOperation {
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OPENVDB_LEVELSET_CSG_UNION = 0,
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OPENVDB_LEVELSET_CSG_DIFFERENCE = 1,
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OPENVDB_LEVELSET_CSG_INTERSECTION = 2,
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} OpenVDBLevelSet_CSGOperation;
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typedef enum OpenVDBLevelSet_GridSampler {
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OPENVDB_LEVELSET_GRIDSAMPLER_NONE = 0,
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OPENVDB_LEVELSET_GRIDSAMPLER_POINT = 1,
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OPENVDB_LEVELSET_GRIDSAMPLER_BOX = 2,
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OPENVDB_LEVELSET_GRIDSAMPLER_QUADRATIC = 3,
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} OpenVDBLevelSet_Gridsampler;
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struct OpenVDBReader;
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struct OpenVDBWriter;
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struct OpenVDBTransform;
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struct OpenVDBLevelSet;
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struct OpenVDBFloatGrid;
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struct OpenVDBIntGrid;
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struct OpenVDBVectorGrid;
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struct OpenVDBVolumeToMeshData {
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int tottriangles;
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int totquads;
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int totvertices;
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float *vertices;
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unsigned int *quads;
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unsigned int *triangles;
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};
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struct OpenVDBRemeshData {
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float *verts;
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unsigned int *faces;
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int totfaces;
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int totverts;
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float *out_verts;
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unsigned int *out_faces;
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unsigned int *out_tris;
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int out_totverts;
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int out_totfaces;
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int out_tottris;
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int filter_type;
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enum OpenVDBLevelSet_FilterType filter_bias;
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enum OpenVDBLevelSet_FilterBias filter_width; /* Parameter for gaussian, median, mean*/
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float voxel_size;
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float isovalue;
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float adaptivity;
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int relax_disoriented_triangles;
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};
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int OpenVDB_getVersionHex(void);
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enum {
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VEC_INVARIANT = 0,
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VEC_COVARIANT = 1,
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VEC_COVARIANT_NORMALIZE = 2,
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VEC_CONTRAVARIANT_RELATIVE = 3,
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VEC_CONTRAVARIANT_ABSOLUTE = 4,
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};
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struct OpenVDBFloatGrid *OpenVDB_export_grid_fl(struct OpenVDBWriter *writer,
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const char *name,
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float *data,
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const int res[3],
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float matrix[4][4],
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const float clipping,
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struct OpenVDBFloatGrid *mask);
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struct OpenVDBIntGrid *OpenVDB_export_grid_ch(struct OpenVDBWriter *writer,
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const char *name,
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unsigned char *data,
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const int res[3],
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float matrix[4][4],
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const float clipping,
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struct OpenVDBFloatGrid *mask);
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struct OpenVDBVectorGrid *OpenVDB_export_grid_vec(struct OpenVDBWriter *writer,
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const char *name,
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const float *data_x,
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const float *data_y,
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const float *data_z,
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const int res[3],
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float matrix[4][4],
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short vec_type,
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const float clipping,
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const bool is_color,
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struct OpenVDBFloatGrid *mask);
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void OpenVDB_import_grid_fl(struct OpenVDBReader *reader,
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const char *name,
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float **data,
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const int res[3]);
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void OpenVDB_import_grid_ch(struct OpenVDBReader *reader,
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const char *name,
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unsigned char **data,
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const int res[3]);
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void OpenVDB_import_grid_vec(struct OpenVDBReader *reader,
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const char *name,
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float **data_x,
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float **data_y,
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float **data_z,
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const int res[3]);
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struct OpenVDBWriter *OpenVDBWriter_create(void);
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void OpenVDBWriter_free(struct OpenVDBWriter *writer);
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void OpenVDBWriter_set_flags(struct OpenVDBWriter *writer, const int flag, const bool half);
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void OpenVDBWriter_add_meta_fl(struct OpenVDBWriter *writer, const char *name, const float value);
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void OpenVDBWriter_add_meta_int(struct OpenVDBWriter *writer, const char *name, const int value);
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void OpenVDBWriter_add_meta_v3(struct OpenVDBWriter *writer,
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const char *name,
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const float value[3]);
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void OpenVDBWriter_add_meta_v3_int(struct OpenVDBWriter *writer,
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const char *name,
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const int value[3]);
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void OpenVDBWriter_add_meta_mat4(struct OpenVDBWriter *writer,
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const char *name,
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float value[4][4]);
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void OpenVDBWriter_write(struct OpenVDBWriter *writer, const char *filename);
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struct OpenVDBReader *OpenVDBReader_create(void);
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void OpenVDBReader_free(struct OpenVDBReader *reader);
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void OpenVDBReader_open(struct OpenVDBReader *reader, const char *filename);
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void OpenVDBReader_get_meta_fl(struct OpenVDBReader *reader, const char *name, float *value);
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void OpenVDBReader_get_meta_int(struct OpenVDBReader *reader, const char *name, int *value);
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void OpenVDBReader_get_meta_v3(struct OpenVDBReader *reader, const char *name, float value[3]);
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void OpenVDBReader_get_meta_v3_int(struct OpenVDBReader *reader, const char *name, int value[3]);
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void OpenVDBReader_get_meta_mat4(struct OpenVDBReader *reader,
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const char *name,
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float value[4][4]);
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struct OpenVDBTransform *OpenVDBTransform_create(void);
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void OpenVDBTransform_free(struct OpenVDBTransform *transform);
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void OpenVDBTransform_create_linear_transform(struct OpenVDBTransform *transform,
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double voxel_size);
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struct OpenVDBLevelSet *OpenVDBLevelSet_create(bool initGrid, struct OpenVDBTransform *xform);
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void OpenVDBLevelSet_free(struct OpenVDBLevelSet *level_set);
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void OpenVDBLevelSet_mesh_to_level_set(struct OpenVDBLevelSet *level_set,
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const float *vertices,
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const unsigned int *faces,
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const unsigned int totvertices,
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const unsigned int totfaces,
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struct OpenVDBTransform *xform);
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void OpenVDBLevelSet_mesh_to_level_set_transform(struct OpenVDBLevelSet *level_set,
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const float *vertices,
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const unsigned int *faces,
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const unsigned int totvertices,
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const unsigned int totfaces,
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struct OpenVDBTransform *transform);
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void OpenVDBLevelSet_volume_to_mesh(struct OpenVDBLevelSet *level_set,
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struct OpenVDBVolumeToMeshData *mesh,
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const double isovalue,
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const double adaptivity,
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const bool relax_disoriented_triangles);
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void OpenVDBLevelSet_filter(struct OpenVDBLevelSet *level_set,
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OpenVDBLevelSet_FilterType filter_type,
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int width,
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float distance,
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OpenVDBLevelSet_FilterBias bias);
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void OpenVDBLevelSet_CSG_operation(struct OpenVDBLevelSet *out,
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struct OpenVDBLevelSet *gridA,
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struct OpenVDBLevelSet *gridB,
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OpenVDBLevelSet_CSGOperation operation);
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struct OpenVDBLevelSet *OpenVDBLevelSet_transform_and_resample(struct OpenVDBLevelSet *level_setA,
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struct OpenVDBLevelSet *level_setB,
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char sampler,
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float isolevel);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __OPENVDB_CAPI_H__ */
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