GeScale3d.h

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//   
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#ifndef OD_GESCL3D_H
#define OD_GESCL3D_H 
class OdGeMatrix3d;
#include "Ge/GeGbl.h"
 
#include "TD_PackPush.h"
 
class GE_TOOLKIT_EXPORT OdGeScale3d
{
public:
 
  OdGeScale3d() 
    : sx(1.0), sy(1.0), sz(1.0) {}
  
  OdGeScale3d(
    double factor) 
    : sx(factor), sy(factor), sz(factor) {}
  
  OdGeScale3d(
    double xFactor, 
    double yFactor, double zFactor) 
    : sx(xFactor), sy(yFactor), sz(zFactor) {}
 
  GE_STATIC_EXPORT static const OdGeScale3d kIdentity; // Multplicitive identity scale.
  
  OdGeScale3d operator *(
    const OdGeScale3d& scaleVec) const;
  
  OdGeScale3d operator *(
    double factor) const;
 
  friend OdGeScale3d operator *(
    double factor, 
    const OdGeScale3d& scaleVec);
    
  OdGeScale3d& operator *=(
    const OdGeScale3d& scaleVec);
  
  OdGeScale3d& operator *=(
    double factor);
    
  OdGeScale3d& preMultBy(const OdGeScale3d& leftSide)
  {
    return operator *=(leftSide);
  }
 
   OdGeScale3d& postMultBy(const OdGeScale3d& rightSide)
   {
     return operator *=(rightSide);
   }
 
  OdGeScale3d& setToProduct(
    const OdGeScale3d& scaleVec1, 
    const OdGeScale3d& scaleVec2);
 
  OdGeScale3d& setToProduct(
    const OdGeScale3d& scaleVec, double factor);
 
  OdGeScale3d inverse() const;
 
  OdGeScale3d& invert();
  
  bool isProportional(
    const OdGeTol& tol = OdGeContext::gTol) const;
  
  bool operator ==(
    const OdGeScale3d& scaleVec) const;
  
  bool operator !=(
    const OdGeScale3d& scaleVec) const;
 
  bool isEqualTo(
    const OdGeScale3d& scaleVec, 
    const OdGeTol& tol = OdGeContext::gTol) const;
 
  double operator [](
    unsigned int i) const { return * (&sx+i); }
  
  double& operator [] (
    unsigned int i) { return * (&sx+i); }
    
  OdGeScale3d& set (
    double xFactor, 
    double yFactor, 
    double zFactor) 
  { sx = xFactor; sy = yFactor; sz = zFactor; return *this; }
  
  operator OdGeMatrix3d () const;
  
  void getMatrix (
    OdGeMatrix3d& xfm) const;
    
    OdGeScale3d& extractScale (
    const OdGeMatrix3d& xfm);
    
     OdGeScale3d& removeScale (
      OdGeMatrix3d& xfm, 
      bool negateX = false);
  
  bool isValid () const { return OdNonZero (sx) && OdNonZero (sy) && OdNonZero (sz); }
 
  double sx; // X scale *factor*.
  double sy; // Y scale *factor*.
  double sz; // Z scale *factor*.
};
 
#include "TD_PackPop.h"
 
#endif // OD_GESCL3D_H