Clipper.h

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/*
   For more information, please see: http://software.sci.utah.edu

   The MIT License

   Copyright (c) 2009 Scientific Computing and Imaging Institute,
   University of Utah.

   
   Permission is hereby granted, free of charge, to any person obtaining a
   copy of this software and associated documentation files (the "Software"),
   to deal in the Software without restriction, including without limitation
   the rights to use, copy, modify, merge, publish, distribute, sublicense,
   and/or sell copies of the Software, and to permit persons to whom the
   Software is furnished to do so, subject to the following conditions:

   The above copyright notice and this permission notice shall be included
   in all copies or substantial portions of the Software.

   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
   OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
   THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
   FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
   DEALINGS IN THE SOFTWARE.
*/

/*
 *   @file    Clipper.h
 *   @author  Michael Callahan
 *   @date    September 2001
 */

#ifndef CORE_DATATYPES_CLIPPER_H
#define CORE_DATATYPES_CLIPPER_H 1

#include <Core/Containers/LockingHandle.h>
#include <Core/Datatypes/Datatype.h>
#include <Core/Datatypes/Mesh.h>
#include <Core/Datatypes/VMesh.h>
#include <Core/Geometry/Transform.h>
#include <Core/Containers/LockingHandle.h>

#include <Core/Datatypes/share.h>

namespace SCIRun {

class SCISHARE Clipper : public Datatype
{
public:
  virtual ~Clipper();

  virtual bool inside_p(const Point &p);
  virtual bool mesh_p() { return false; }

  static  PersistentTypeID type_id;
  virtual std::string dynamic_type_name() const { return type_id.type; }
  void    io(Piostream &stream);
};


typedef LockingHandle<Clipper> ClipperHandle;



class SCISHARE IntersectionClipper : public Clipper
{
private:
  ClipperHandle clipper0_;
  ClipperHandle clipper1_;

public:
  IntersectionClipper(ClipperHandle c0, ClipperHandle c1);

  virtual bool inside_p(const Point &p);

  static  PersistentTypeID type_id;
  virtual std::string dynamic_type_name() const { return type_id.type; }
  void    io(Piostream &stream);
};


class SCISHARE UnionClipper : public Clipper
{
private:
  ClipperHandle clipper0_;
  ClipperHandle clipper1_;

public:
  UnionClipper(ClipperHandle c0, ClipperHandle c1);

  virtual bool inside_p(const Point &p);

  static  PersistentTypeID type_id;
  virtual std::string dynamic_type_name() const { return type_id.type; }
  void    io(Piostream &stream);
};


class SCISHARE InvertClipper : public Clipper
{
private:
  ClipperHandle clipper_;

public:
  InvertClipper(ClipperHandle clipper);

  virtual bool inside_p(const Point &p);

  static  PersistentTypeID type_id;
  virtual std::string dynamic_type_name() const { return type_id.type; }
  void    io(Piostream &stream);
};

  
class SCISHARE BoxClipper : public Clipper
{
private:
  Transform trans_;

public:
  BoxClipper(Transform &t);

  virtual bool inside_p(const Point &p);

  static  PersistentTypeID type_id;
  virtual std::string dynamic_type_name() const { return type_id.type; }
  void    io(Piostream &stream);
};


class MeshClipper : public Clipper
{
private:
  VMesh* mesh_;

public:
  MeshClipper(VMesh* mesh) : mesh_(mesh) { 
    mesh->synchronize(Mesh::LOCATE_E);
  }

  virtual bool inside_p(const Point &p)
  {
    VMesh::Elem::index_type idx;
    return mesh_->locate(idx, p);
  }
  virtual bool mesh_p() { return true; }

  void    io(Piostream&) {}
};



} // end namespace SCIRun

#endif // Clipper_h