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inline void Prs2d_Diameter::CalcTxtPos(const Standard_Boolean theFromAbs) {
if (!theFromAbs) {
gp_Pnt2d thePnt1(myAppX1,myAppY1), thePnt2(myAppX2,myAppY2);
if (myInside)
{
thePnt1.SetCoord(myX1,myY1);
thePnt2.SetCoord(myX2,myY2);
}
gp_Vec2d VX( 1., 0. ), theVecI,theVecJ,theVec(thePnt2,thePnt1);
Standard_Real theDist=thePnt1.Distance(thePnt2);
theVec.Normalized();
theVecI = theVec.Reversed()*myTextPosH/theDist;
theVecJ = theVec.Reversed().Rotated(PI/2)*myTextPosV/theDist;
theVec.Rotate(-myTextAngle);
thePnt2.Translate(theVecI);
thePnt2.Translate(theVecJ);
thePnt1.Translate(theVecI);
thePnt1.Translate(theVecJ);
Standard_Real theTxtAngle = VX.Angle( theVec );
gp_Pnt2d pntText;
if ( theTxtAngle >= 0 && theTxtAngle <= PI/2 )
pntText = thePnt2.Translated(theVec/theDist);
else if ( theTxtAngle > PI/2 && theTxtAngle <= PI ) {
pntText = thePnt1.Translated(theVec.Reversed()/theDist) ;
theTxtAngle = VX.Angle( theVec.Reversed() );
} else if ( theTxtAngle >= -PI/2 && theTxtAngle < 0 )
pntText = thePnt2.Translated(theVec/theDist);
else if ( theTxtAngle >= -PI && theTxtAngle < -PI/2 ) {
pntText = thePnt1.Translated(theVec.Reversed()/theDist);
theTxtAngle = VX.Angle( theVec.Reversed() );
}
myAbsAngle=theTxtAngle;
myAbsX=pntText.X();
myAbsY=pntText.Y();
}
}
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