MRLaplacian.h

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#pragma once
 
#include <MRCMesh/MREnums.h>
#include <MRCMesh/MRId.h>
#include <MRCMisc/common.h>
#include <MRCMisc/exports.h>
 
#include <stdbool.h>
#include <stddef.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef struct MR_Mesh MR_Mesh; // Defined in `#include <MRCMesh/MRMesh.h>`.
typedef struct MR_MeshTopology MR_MeshTopology; // Defined in `#include <MRCMesh/MRMeshTopology.h>`.
typedef struct MR_Vector3f MR_Vector3f; // Defined in `#include <MRCMesh/MRVector3.h>`.
typedef struct MR_VertBitSet MR_VertBitSet; // Defined in `#include <MRCMesh/MRBitSet.h>`.
typedef struct MR_VertCoords MR_VertCoords; // Defined in `#include <MRCMesh/MRVector.h>`.
typedef struct MR_VertScalars MR_VertScalars; // Defined in `#include <MRCMesh/MRVector.h>`.
 
 
typedef struct MR_Laplacian MR_Laplacian;
 
typedef enum MR_Laplacian_RememberShape
{
    // true Laplacian mode when initial mesh shape is remembered and copied in apply
    MR_Laplacian_RememberShape_Yes = 0,
    // ignore initial mesh shape in the region and just position vertices smoothly in the region
    MR_Laplacian_RememberShape_No = 1,
} MR_Laplacian_RememberShape;
 
MRC_API MR_Laplacian *MR_Laplacian_ConstructFromAnother(MR_PassBy _other_pass_by, MR_Laplacian *_other);
 
MRC_API const MR_Laplacian *MR_Laplacian_OffsetPtr(const MR_Laplacian *ptr, ptrdiff_t i);
 
MRC_API MR_Laplacian *MR_Laplacian_OffsetMutablePtr(MR_Laplacian *ptr, ptrdiff_t i);
 
MRC_API MR_Laplacian *MR_Laplacian_Construct_1(MR_Mesh *mesh);
 
MRC_API MR_Laplacian *MR_Laplacian_Construct_2(const MR_MeshTopology *topology, MR_VertCoords *points);
 
MRC_API void MR_Laplacian_Destroy(const MR_Laplacian *_this);
 
MRC_API void MR_Laplacian_DestroyArray(const MR_Laplacian *_this);
 
MRC_API void MR_Laplacian_init(MR_Laplacian *_this, const MR_VertBitSet *freeVerts, MR_EdgeWeights weights, const MR_VertexMass *vmass, const MR_Laplacian_RememberShape *rem);
 
MRC_API void MR_Laplacian_fixVertex_2(MR_Laplacian *_this, MR_VertId v, const bool *smooth);
 
MRC_API void MR_Laplacian_fixVertex_3(MR_Laplacian *_this, MR_VertId v, const MR_Vector3f *fixedPos, const bool *smooth);
 
MRC_API void MR_Laplacian_updateSolver(MR_Laplacian *_this);
 
MRC_API void MR_Laplacian_apply(MR_Laplacian *_this);
 
MRC_API void MR_Laplacian_applyToScalar(MR_Laplacian *_this, MR_VertScalars *scalarField);
 
MRC_API const MR_VertBitSet *MR_Laplacian_region(const MR_Laplacian *_this);
 
MRC_API const MR_VertBitSet *MR_Laplacian_freeVerts(const MR_Laplacian *_this);
 
MRC_API const MR_VertBitSet *MR_Laplacian_firstLayerFixedVerts(const MR_Laplacian *_this);
 
#ifdef __cplusplus
} // extern "C"
#endif