API.h

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// This file is part of ShapeOp, a lightweight C++ library
// for static and dynamic geometry processing.
//
// Copyright (C) 2014 Sofien Bouaziz <sofien.bouaziz@gmail.com>
// Copyright (C) 2014 LGG EPFL
//
// This Source Code Form is subject to the terms of the Mozilla
// Public License v. 2.0. If a copy of the MPL was not distributed
// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
#ifndef API_H
#define API_H
#include "Common.h"


typedef struct ShapeOpSolver ShapeOpSolver;

typedef enum shapeop_err {
  SO_SUCCESS = 0,          
  SO_INVALID_CONSTRAINT_TYPE = 1, 
  SO_INVALID_ARGUMENT_LENGTH = 2, 
  SO_UNMATCHING_CONSTRAINT_ID = 3
} shapeop_err;
#ifdef __cplusplus
extern "C" {
#endif
// Solver
SHAPEOP_API ShapeOpSolver *shapeop_create();
SHAPEOP_API void shapeop_delete(ShapeOpSolver *op);
SHAPEOP_API int  shapeop_init(ShapeOpSolver *op);
SHAPEOP_API int  shapeop_initDynamic(ShapeOpSolver *op,  ShapeOpScalar masses, ShapeOpScalar damping, ShapeOpScalar timestep);
SHAPEOP_API int  shapeop_solve(ShapeOpSolver *op, unsigned int iteration);

SHAPEOP_API void shapeop_setPoints(ShapeOpSolver *op, ShapeOpScalar *points, int nb_points);
SHAPEOP_API void shapeop_getPoints(ShapeOpSolver *op, ShapeOpScalar *points, int nb_points);

SHAPEOP_API void shapeop_setTimeStep(ShapeOpSolver *op, ShapeOpScalar timestep);
SHAPEOP_API void shapeop_setDamping(ShapeOpSolver *op, ShapeOpScalar damping);

// Constraints

SHAPEOP_API int shapeop_addConstraint(ShapeOpSolver *op, const char *constraintType, int *ids, int nb_ids, ShapeOpScalar weight);

SHAPEOP_API shapeop_err shapeop_editConstraint(ShapeOpSolver *op,
                                               const char *constraintType,
                                               int constraint_id,
                                               const ShapeOpScalar *scalars,
                                               int nb_scl);
// Forces
SHAPEOP_API int shapeop_addGravityForce(ShapeOpSolver *op, ShapeOpScalar *force);

SHAPEOP_API int shapeop_addVertexForce(ShapeOpSolver *op, ShapeOpScalar *force, int id);
SHAPEOP_API void shapeop_editVertexForce(ShapeOpSolver *op, int force_id, ShapeOpScalar *force, int id);
#ifdef __cplusplus
}
#endif
#endif // API_H

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