/*
* Import Arc entities.
*/
void DXF2BRD_CONVERTER::addArc( const DRW_Arc& data )
{
DRAWSEGMENT* segm = ( m_useModuleItems ) ?
static_cast< DRAWSEGMENT* >( new EDGE_MODULE( NULL ) ) : new DRAWSEGMENT;
segm->SetLayer( ToLAYER_ID( m_brdLayer ) );
segm->SetShape( S_ARC );
// Init arc centre:
wxPoint center( mapX( data.basePoint.x ), mapY( data.basePoint.y ) );
segm->SetCenter( center );
// Init arc start point
double arcStartx = data.radious;
double arcStarty = 0;
double startangle = data.staangle;
double endangle = data.endangle;
RotatePoint( &arcStartx, &arcStarty, -RAD2DECIDEG( startangle ) );
wxPoint arcStart( mapX( arcStartx + data.basePoint.x ),
mapY( arcStarty + data.basePoint.y ) );
segm->SetArcStart( arcStart );
// calculate arc angle (arcs are CCW, and should be < 0 in Pcbnew)
double angle = -RAD2DECIDEG( endangle - startangle );
if( angle > 0.0 )
angle -= 3600.0;
segm->SetAngle( angle );
segm->SetWidth( mapDim( data.thickness == 0 ? m_defaultThickness : data.thickness ) );
m_newItemsList.push_back( segm );
}
/*
* Import Arc entities.
*/
void DXF2BRD_CONVERTER::addArc( const DRW_Arc& data )
{
DRAWSEGMENT* segm = new DRAWSEGMENT( m_brd );
segm->SetLayer( m_brdLayer );
segm->SetShape( S_ARC );
// Init arc centre:
wxPoint center( mapX( data.basePoint.x ), mapY( data.basePoint.y ) );
segm->SetCenter( center );
// Init arc start point
double arcStartx = data.radious;
double arcStarty = 0;
double startangle = data.staangle;
double endangle = data.endangle;
RotatePoint( &arcStartx, &arcStarty, -RAD2DECIDEG( startangle ) );
wxPoint arcStart( mapX( arcStartx + data.basePoint.x ),
mapY( arcStarty + data.basePoint.y ) );
segm->SetArcStart( arcStart );
// calculate arc angle (arcs are CCW, and should be < 0 in Pcbnew)
double angle = -RAD2DECIDEG( endangle - startangle );
if( angle > 0.0 )
angle -= 3600.0;
segm->SetAngle( angle );
segm->SetWidth( mapDim( data.thickness == 0 ? m_defaultThickness
: data.thickness ) );
appendToBoard( segm );
}
void DXF2BRD_CONVERTER::addCircle( const DRW_Circle& aData )
{
DRAWSEGMENT* segm = ( m_useModuleItems ) ?
static_cast< DRAWSEGMENT* >( new EDGE_MODULE( NULL ) ) : new DRAWSEGMENT;
segm->SetLayer( ToLAYER_ID( m_brdLayer ) );
segm->SetShape( S_CIRCLE );
wxPoint center( mapX( aData.basePoint.x ), mapY( aData.basePoint.y ) );
segm->SetCenter( center );
wxPoint circle_start( mapX( aData.basePoint.x + aData.radious ), mapY( aData.basePoint.y ) );
segm->SetArcStart( circle_start );
segm->SetWidth( mapDim( aData.thickness == 0 ? m_defaultThickness : aData.thickness ) );
m_newItemsList.push_back( segm );
}
/*
* Import Circle entities.
*/
void DXF2BRD_CONVERTER::addCircle( const DRW_Circle& data )
{
DRAWSEGMENT* segm = new DRAWSEGMENT( m_brd );
segm->SetLayer( m_brdLayer );
segm->SetShape( S_CIRCLE );
wxPoint center( mapX( data.basePoint.x ), mapY( data.basePoint.y ) );
segm->SetCenter( center );
wxPoint circle_start( mapX( data.basePoint.x + data.radious ),
mapY( data.basePoint.y ) );
segm->SetArcStart( circle_start );
segm->SetWidth( mapDim( data.thickness == 0 ? m_defaultThickness
: data.thickness ) );
appendToBoard( segm );
}
void DXF2BRD_CONVERTER::insertArc( const wxRealPoint& aSegStart, const wxRealPoint& aSegEnd,
double aBulge, int aWidth )
{
DRAWSEGMENT* segm = ( m_useModuleItems ) ?
static_cast< DRAWSEGMENT* >( new EDGE_MODULE( NULL ) ) : new DRAWSEGMENT;
wxPoint segment_startpoint( Millimeter2iu( aSegStart.x ), Millimeter2iu( aSegStart.y ) );
wxPoint segment_endpoint( Millimeter2iu( aSegEnd.x ), Millimeter2iu( aSegEnd.y ) );
// ensure aBulge represents an angle from +/- ( 0 .. approx 359.8 deg )
if( aBulge < -2000.0 )
aBulge = -2000.0;
else if( aBulge > 2000.0 )
aBulge = 2000.0;
double ang = 4.0 * atan( aBulge );
// reflect the Y values to put everything in a RHCS
wxRealPoint sp( aSegStart.x, -aSegStart.y );
wxRealPoint ep( aSegEnd.x, -aSegEnd.y );
// angle from end->start
double offAng = atan2( ep.y - sp.y, ep.x - sp.x );
// length of subtended segment = 1/2 distance between the 2 points
double d = 0.5 * sqrt( (sp.x - ep.x) * (sp.x - ep.x) + (sp.y - ep.y) * (sp.y - ep.y) );
// midpoint of the subtended segment
double xm = ( sp.x + ep.x ) * 0.5;
double ym = ( sp.y + ep.y ) * 0.5;
double radius = d / sin( ang * 0.5 );
if( radius < 0.0 )
radius = -radius;
// calculate the height of the triangle with base d and hypotenuse r
double dh2 = radius * radius - d * d;
// this should only ever happen due to rounding errors when r == d
if( dh2 < 0.0 )
dh2 = 0.0;
double h = sqrt( dh2 );
if( ang < 0.0 )
offAng -= M_PI_2;
else
offAng += M_PI_2;
// for angles greater than 180 deg we need to flip the
// direction in which the arc center is found relative
// to the midpoint of the subtended segment.
if( ang < -M_PI )
offAng += M_PI;
else if( ang > M_PI )
offAng -= M_PI;
// center point
double cx = h * cos( offAng ) + xm;
double cy = h * sin( offAng ) + ym;
segm->SetLayer( ToLAYER_ID( m_brdLayer ) );
segm->SetShape( S_ARC );
segm->SetCenter( wxPoint( Millimeter2iu( cx ), Millimeter2iu( -cy ) ) );
if( ang < 0.0 )
{
segm->SetArcStart( wxPoint( Millimeter2iu( ep.x ), Millimeter2iu( -ep.y ) ) );
segm->SetAngle( RAD2DECIDEG( ang ) );
}
else
{
segm->SetArcStart( wxPoint( Millimeter2iu( sp.x ), Millimeter2iu( -sp.y ) ) );
segm->SetAngle( RAD2DECIDEG( -ang ) );
}
segm->SetWidth( aWidth );
m_newItemsList.push_back( segm );
return;
}
