GeScale2d.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 
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// 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 
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#ifndef OD_GESCL2D_H
#define OD_GESCL2D_H 
class OdGeMatrix2d;
class OdGeScale3d;
#include "Ge/GeGbl.h"
#include "TD_PackPush.h"
 
class GE_TOOLKIT_EXPORT OdGeScale2d
{
public:
  OdGeScale2d();
  OdGeScale2d(
    double factor);
  OdGeScale2d(
    double xFactor,
    double yFactor);
 
  GE_STATIC_EXPORT static const   OdGeScale2d kIdentity; // Multplicitive identity vector.
 
  OdGeScale2d operator * (
    const OdGeScale2d& scaleVec) const;
 
  friend OdGeScale2d operator * (
    double factor,
    const OdGeScale2d& scaleVec);
 
  OdGeScale2d& operator *= (
    const OdGeScale2d& scaleVec);
 
  OdGeScale2d& preMultBy (
    const OdGeScale2d& leftSide);
 
  OdGeScale2d& postMultBy (
    const OdGeScale2d& rightSide);
 
 
  OdGeScale2d& setToProduct(
    const OdGeScale2d& scaleVec, double factor);
 
  OdGeScale2d& setToProduct(
    const OdGeScale2d& scaleVec1,
    const OdGeScale2d& scaleVec2);
 
  OdGeScale2d operator * (
    double factor) const;
 
 
  OdGeScale2d& operator *= (
    double factor);
 
 
 
  OdGeScale2d inverse () const;
 
  OdGeScale2d& invert ();
 
  bool isProportional(
    const OdGeTol& tol = OdGeContext::gTol) const;
 
  bool operator == (
    const OdGeScale2d& scaleVec) const;
  bool operator != (
    const OdGeScale2d& scaleVec) const;
 
  bool isEqualTo (
    const OdGeScale2d& scaleVec,
    const OdGeTol& tol = OdGeContext::gTol) const;
 
  double& operator [] (
    unsigned int i)
  {
    return * (&sx + i);
  }
  double operator [] (
    unsigned int i) const
  {
    return * (&sx + i);
  }
 
  OdGeScale2d& set (
    double xFactor, 
    double yFactor);
 
 
  void getMatrix (
    OdGeMatrix2d& xfm) const;
    
    OdGeScale2d& extractScale (
    const OdGeMatrix2d& xfm);
    
    OdGeScale2d& removeScale (
    OdGeMatrix2d& xfm);
 
  operator OdGeMatrix2d () const;
  operator OdGeScale3d () const;
 
  double sx; // X scale *factor*.
  double sy; // Y scale *factor*.
};
 
#include "TD_PackPop.h"
 
#endif // OD_GESCL2D_H