GeInterval.h

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// Copyright (C) 2002-2017, Open Design Alliance (the "Alliance"). 
// All rights reserved. 
// 
// This software and its documentation and related materials are owned by 
// the Alliance. The software may only be incorporated into application 
// programs owned by members of the Alliance, subject to a signed 
// Membership Agreement and Supplemental Software License Agreement with the
// Alliance. The structure and organization of this software are the valuable  
// trade secrets of the Alliance and its suppliers. The software is also 
// protected by copyright law and international treaty provisions. Application  
// programs incorporating this software must include the following statement 
// with their copyright notices:
//   
//   This application incorporates Teigha(R) software pursuant to a license 
//   agreement with Open Design Alliance.
//   Teigha(R) Copyright (C) 2002-2017 by Open Design Alliance. 
//   All rights reserved.
//
// By use of this software, its documentation or related materials, you 
// acknowledge and accept the above terms.
 
 
#ifndef OD_GE_INTERVAL_H
#define OD_GE_INTERVAL_H 
#include "Ge/GeExport.h"
#include "TD_PackPush.h"
 
class GE_TOOLKIT_EXPORT OdGeInterval
{
public:
  OdGeInterval(
    double tol = 1.e-12);
  OdGeInterval(
    double lower,
    double upper,
    double tol = 1.e-12);
  OdGeInterval(
    bool boundedBelow,
    double bound,
    double tol = 1.e-12);
 
  ~OdGeInterval();
 
  double lowerBound() const;
 
  double upperBound() const;
 
    double element() const;
 
  void getBounds(
    double& lower,
    double& upper) const;
    
  double length() const;
  
  double tolerance() const;
 
  OdGeInterval& set(
    double lower,
    double upper);
  
  OdGeInterval& set(
    bool boundedBelow,
    double bound);
  
  OdGeInterval& set();
 
  OdGeInterval& setUpper(
    double upper);
    
  OdGeInterval& setLower(
    double lower);
 
  OdGeInterval& setTolerance(
    double tol);
 
  void getMerge(
    const OdGeInterval& otherInterval,
    OdGeInterval& result) const;
    
  int subtract(
    const OdGeInterval& otherInterval,
    OdGeInterval& lInterval,
    OdGeInterval& rInterval) const;
 
  bool intersectWith(
    const OdGeInterval& otherInterval,
    OdGeInterval& result) const;
    
  bool isBounded() const;
    
  bool isBoundedAbove() const;
    
  bool isBoundedBelow() const;
 
  bool isUnBounded() const;
  
  bool isSingleton() const;
 
  bool isDisjoint(
    const OdGeInterval& otherInterval) const;
 
  bool contains(
    const OdGeInterval& otherInterval) const;
  bool contains(
    double value) const;
 
  bool isContinuousAtUpper(
    const OdGeInterval& otherInterval) const;
 
  bool isOverlapAtUpper(
    const OdGeInterval& otherInterval,
    OdGeInterval& overlap) const;
 
  bool operator ==(
    const OdGeInterval& otherInterval) const;
  bool operator !=(
    const OdGeInterval& otherInterval) const;
    
  bool isEqualAtUpper(
    const OdGeInterval& otherInterval) const;
 
  bool isEqualAtUpper(
    double value) const;
    
  bool isEqualAtLower(
    const OdGeInterval& otherInterval) const;
  
  bool isEqualAtLower(
    double value) const;
 
  bool isPeriodicallyOn(
    double period,
    double& value);
 
//FELIX_CHANGE_BEGIN
//merge from ODA main
  bool finiteIntersectWith(const OdGeInterval& range, OdGeInterval& result) const;
 
  double middle() const {
      return 0.5 * (m_LowerParam + m_UpperParam);
  }
 
  double clamp(
      double value) const
  {
      if (m_bBoundedAbove)
          value = odmin(value, m_UpperParam);
      if (m_bBoundedBelow)
          value = odmax(value, m_LowerParam);
      return value;
  }
 
  double eval(
      double ratio) const
  {
      ODA_ASSERT(isBounded());
      return m_LowerParam * (1.0 - ratio) + m_UpperParam * ratio;
  }
 
  double getEnd(
      int index) const
  {
      ODA_ASSERT(index == 0 || index == 1);
      return index == 0 ? m_LowerParam : m_UpperParam;
  }
//FELIX_CHANGE_END
 
  friend 
    bool operator > (
    double value,
    const OdGeInterval& interval);
  bool operator > (
    double value) const;
  bool operator > (
    const OdGeInterval& otherInterval) const;
  friend 
    bool operator >= (
    double value,
    const OdGeInterval& interval);
  bool operator >= (
    double value) const;
  bool operator >= (
    const OdGeInterval& otherInterval) const;
  friend 
    bool operator < (
    double value,
    const OdGeInterval& interval);
  bool operator < (
    double value) const;
  bool operator < (
    const OdGeInterval& otherInterval) const;
  friend 
    bool operator <= (
    double value,
    const OdGeInterval& interval);
  bool operator <= (
    double value) const;
  bool operator <= (
    const OdGeInterval& otherInterval) const;
 
private:
  double m_Tol;
  double m_UpperParam;
  double m_LowerParam;
  bool m_bBoundedAbove;
  bool m_bBoundedBelow;
};
 
#include "TD_PackPop.h"
#endif // OD_GE_INTERVAL_H