MeshFilter.h

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#ifndef CNOID_UTIL_MESH_FILTER_H
#define CNOID_UTIL_MESH_FILTER_H
 
#include "exportdecl.h"
 
namespace cnoid {
 
class SgNode;
class SgMesh;
class MeshFilterImpl;
 
class CNOID_EXPORT MeshFilter
{
public:
    MeshFilter();
    MeshFilter(const MeshFilter& org);
    ~MeshFilter();
 
    void integrateMeshes(SgMesh* mesh1, SgMesh* mesh2);
 
    void removeRedundantVertices(SgNode* scene);
    void removeRedundantVertices(SgMesh* mesh);
 
    enum FaceReductionMode {
        KEEP_OVERLAPPING_FACES_WTIH_DIFFERENT_DIRECTIONS,
        KEEP_FIRST_OVERLAPPING_FACES,
        KEEP_LAST_OVERLAPPING_FACES
    };
 
    void removeRedundantFaces(SgNode* scene, int reductionMode = KEEP_OVERLAPPING_FACES_WTIH_DIFFERENT_DIRECTIONS);
    void removeRedundantFaces(SgMesh* mesh, int reductionMode = KEEP_OVERLAPPING_FACES_WTIH_DIFFERENT_DIRECTIONS);
    
    void removeRedundantNormals(SgNode* scene);
    void removeRedundantNormals(SgMesh* mesh);
 
    bool generateNormals(SgMesh* mesh, float creaseAngle = 3.14159f, bool removeRedundantVertices = false);
    void setNormalOverwritingEnabled(bool on);
    void setMinCreaseAngle(float angle);
    void setMaxCreaseAngle(float angle);
    
    // Deprecated. Use enableNormalOverwriting()
    void setOverwritingEnabled(bool on);
 
private:
    MeshFilterImpl* impl;
};
 
// for the backward compatibility
typedef MeshFilter MeshNormalGenerator;
 
}
 
#endif