//---------------------------------------------------------
bool CShapes_Buffer::Get_Buffer_Points(CSG_Shape *pPoints, CSG_Shape *pBuffer, double Distance)
{
CSG_Shapes Part(SHAPE_TYPE_Polygon);
CSG_Shape *pPart = Part.Add_Shape();
for(int iPart=0; iPart<pPoints->Get_Part_Count(); iPart++)
{
for(int iPoint=0; iPoint<pPoints->Get_Point_Count(iPart); iPoint++)
{
if( pBuffer->Get_Part_Count() == 0 )
{
Add_Arc(pBuffer, pPoints->Get_Point(iPoint), Distance, 0.0, M_PI_360);
}
else
{
Add_Arc(pPart , pPoints->Get_Point(iPoint), Distance, 0.0, M_PI_360);
SG_Polygon_Union(pBuffer, pPart);
pPart->Del_Parts();
}
}
}
return( true );
}
//---------------------------------------------------------
void CDXF_Import::addCircle(const DL_CircleData &data)
{
if( !Check_Layer(attributes.getLayer().c_str()) )
return;
CSG_Shape *pCircle = m_pCircles->Add_Shape();
Add_Arc(pCircle, data.cx, data.cy, data.radius, 0.0, 360.0);
}
//---------------------------------------------------------
void CDXF_Import::addArc(const DL_ArcData &data)
{
if( !Check_Layer(attributes.getLayer().c_str()) )
return;
CSG_Shape *pArc = m_pPolyLine ? m_pPolyLine : m_pPolyLines->Add_Shape();
Add_Arc(pArc, data.cx, data.cy, data.radius, data.angle1, data.angle2);
if( pArc != m_pPolyLine )
{
pArc->Set_Value(TBL_POLYOBJ_LAYER, CSG_String(attributes.getLayer().c_str()));
}
}
//---------------------------------------------------------
inline void CShapes_Buffer::Add_Arc(CSG_Shape *pBuffer, const TSG_Point &Center, double Distance, const TSG_Point &A, const TSG_Point &B)
{
double alpha, beta;
alpha = Get_Direction(A, Center);
beta = Get_Direction(B, Center);
if( alpha - beta >= M_PI_180 )
{
beta += M_PI_360;
}
Add_Arc(pBuffer, Center, Distance, alpha, beta);
}
//---------------------------------------------------------
bool CShapes_Buffer::Get_Buffer_Point(CSG_Shape *pPoint, CSG_Shape *pBuffer, double Distance)
{
Add_Arc(pBuffer, pPoint->Get_Point(0), Distance, 0.0, M_PI_360);
return( true );
}
