#include „dbents.h"
//atentie! ordinea de intrare/iesire a datelor membre trebuie sa fie identica
Acad::ErrorStatus Custom::dxfInFields(	AcDbDxfFiler*	filer ) {
assertWriteEnabled();
Acad::ErrorStatus es = Acad::eOk;
if( ( AcDbObject::dxfInFields(filer) != Acad::eOk ) ||
! filer->atSubclassData( kConstClassName ) ) {
return filer->filerStatus();
}
struct resbuf rb;
filer->readItem( &rb );
if( rb.restype == AcDb::kDxfXCoord ) {
mStartPoint.set(	rb.resval.rpoint[X],
rb.resval.rpoint[Y],
rb.resval.rpoint[Z] );
} else {
goto outWithError;
}
filer->readItem( &rb );
if( rb.restype == AcDb::kDxfXCoord ) {
mEndPoint.set(	rb.resval.rpoint[X],
rb.resval.rpoint[Y],
rb.resval.rpoint[Z] );
} else {
goto outWithError;
}
filer->readItem( &rb );
if( rb.restype == AcDb::kDxfReal ) {
mRadius1 = rb.resval.rreal;
} else {
goto outWithError;
}
filer->readItem( &rb );
if( rb.restype == AcDb::kDxfReal ) {
mRadius2 = rb.resval.rreal;
} else {
goto outWithError;
}
return filer->filerStatus();
outWithError:
filer->pushBackItem();
filer->setError( Acad::eInvalidDxfCode, „nError: wrong group code", NULL );
return filer->filerStatus();
}
//In aceasta ordine vor fi citite datele membre in metoda de mai sus
Acad::ErrorStatus Custom::dxfOutFields(	AcDbDxfFiler*	filer) const {
assertReadEnabled();
AcDbObject::dxfOutFields(filer);
filer->writeItem(AcDb::kDxfSubclass, kConstClassName );
filer->writeItem( AcDb::kDxfXCoord, mStartPoint );
filer->writeItem( AcDb::kDxfXCoord, mEndPoint );
filer->writeItem( AcDb::kDxfReal, mRadius1 );
filer->writeItem( AcDb::kDxfReal, mRadius2 );
return filer->filerStatus();
}
Acad::ErrorStatus Custom::transformBy(const AcGeMatrix3d& xform) {
assertWriteEnabled();
AcGeVector3d radius1 = mEndPoint - mStartPoint;
AcGeVector3d radius2 = mStartPoint - mEndPoint;
radius1.normalize();
radius2.normalize();
radius1 *= mRadius1;
radius2 *= mRadius2;
mStartPoint.transformBy(xform); 
mEndPoint.transformBy(xform);
radius1.transformBy(xform);
radius2.transformBy(xform);
mRadius1 = radius1.length();
mRadius2 = radius2.length();
return Acad::eOk;
}
void Custom::list() const {
assertReadEnabled();
AcDbEntity::list();
ads_printf( „Start point: X=%9.16q0, Y=%9.16q0, Z=%9.16q0n",
mStartPoint[X], mStartPoint[Y], mStartPoint[Z] );
ads_printf( „End point: X=%9.16q0, Y=%9.16q0, Z=%9.16q0n",
mEndPoint[X], mEndPoint[Y], mEndPoint[Z] );
ads_printf( „Radius1: %9.16q0n", mRadius1 );
ads_printf( „Radius2: %9.16q0n", mRadius2 );
}
Acad::ErrorStatus Custom::explode(	AcDbVoidPtrArray&	entitySet) const {
//	ads_alert( „Acest obiect nu explodeaza. E ud!" );
//	return Acad::eNotApplicable;
AcDbCircle *circle1, *circle2;
//normala este cablata!
AcGeVector3d v( 0.0, 0.0, 1.0 );
//calculam centrele viitoarelor cercuri
AcGeVector3d v1 = mEndPoint - mStartPoint;
AcGeVector3d v2 = mStartPoint - mEndPoint;
v1.normalize();
v2.normalize();
AcGePoint3d center1 = mStartPoint + v1 * mRadius1;
AcGePoint3d center2 = mEndPoint + v2 * mRadius2;
//constructorii noilor entitati
circle1 = new AcDbCircle( center1, v, mRadius1 );
circle2 = new AcDbCircle( center2, v, mRadius2 );
entitySet.append( circle1 );
entitySet.append( circle2 );
return Acad::eOk;
}