bool GERBER_DRAW_ITEM::HasNegativeItems()
{
bool isClear = m_LayerNegative ^ m_imageParams->m_ImageNegative;
// if isClear is true, this item has negative shape
// but if isClear is true, and if this item use an aperture macro definition,
// we must see if this aperture macro uses a negative shape.
if( isClear )
return true;
// see for a macro def
D_CODE* dcodeDescr = GetDcodeDescr();
if( dcodeDescr == NULL )
return false;
if( m_Shape == GBR_SPOT_MACRO )
{
APERTURE_MACRO* macro = dcodeDescr->GetMacro();
if( macro ) // macro == NULL should not occurs
return macro->HasNegativeItems( this );
}
return false;
}
wxString GERBER_DRAW_ITEM::ShowGBRShape() const
{
switch( m_Shape )
{
case GBR_SEGMENT:
return _( "Line" );
case GBR_ARC:
return _( "Arc" );
case GBR_CIRCLE:
return _( "Circle" );
case GBR_SPOT_OVAL:
return wxT( "spot_oval" );
case GBR_SPOT_CIRCLE:
return wxT( "spot_circle" );
case GBR_SPOT_RECT:
return wxT( "spot_rect" );
case GBR_SPOT_POLY:
return wxT( "spot_poly" );
case GBR_POLYGON:
return wxT( "polygon" );
case GBR_SPOT_MACRO:
{
wxString name = wxT( "apt_macro" );
D_CODE* dcode = GetDcodeDescr();
if( dcode && dcode->GetMacro() )
name << wxT(" ") << dcode->GetMacro()->name;
return name;
}
default:
return wxT( "??" );
}
}
const EDA_RECT GERBER_DRAW_ITEM::GetBoundingBox() const
{
// return a rectangle which is (pos,dim) in nature. therefore the +1
EDA_RECT bbox( m_Start, wxSize( 1, 1 ) );
D_CODE* code = GetDcodeDescr();
// TODO(JE) GERBER_DRAW_ITEM maybe should actually be a number of subclasses.
// Until/unless that is changed, we need to do different things depending on
// what is actually being represented by this GERBER_DRAW_ITEM.
switch( m_Shape )
{
case GBR_POLYGON:
{
auto bb = m_Polygon.BBox();
bbox.Inflate( bb.GetWidth() / 2, bb.GetHeight() / 2 );
bbox.SetOrigin( bb.GetOrigin().x, bb.GetOrigin().y );
break;
}
case GBR_CIRCLE:
{
double radius = GetLineLength( m_Start, m_End );
bbox.Inflate( radius, radius );
break;
}
case GBR_ARC:
{
// Note: using a larger-than-necessary BB to simplify computation
double radius = GetLineLength( m_Start, m_ArcCentre );
bbox.Move( m_ArcCentre - m_Start );
bbox.Inflate( radius + m_Size.x, radius + m_Size.x );
break;
}
case GBR_SPOT_CIRCLE:
{
if( code )
{
int radius = code->m_Size.x >> 1;
bbox.Inflate( radius, radius );
}
break;
}
case GBR_SPOT_RECT:
{
if( code )
bbox.Inflate( code->m_Size.x / 2, code->m_Size.y / 2 );
break;
}
case GBR_SPOT_OVAL:
{
if( code )
bbox.Inflate( code->m_Size.x, code->m_Size.y );
break;
}
case GBR_SPOT_POLY:
{
if( code )
{
if( code->m_Polygon.OutlineCount() == 0 )
code->ConvertShapeToPolygon();
bbox.Inflate( code->m_Polygon.BBox().GetWidth() / 2,
code->m_Polygon.BBox().GetHeight() / 2 );
}
break;
}
case GBR_SPOT_MACRO:
{
if( code )
{
// Update the shape drawings and the bounding box coordiantes:
code->GetMacro()->GetApertureMacroShape( this, m_Start );
// now the bounding box is valid:
bbox = code->GetMacro()->GetBoundingBox();
}
break;
}
case GBR_SEGMENT:
{
if( code && code->m_Shape == APT_RECT )
{
if( m_Polygon.OutlineCount() > 0 )
{
auto bb = m_Polygon.BBox();
bbox.Inflate( bb.GetWidth() / 2, bb.GetHeight() / 2 );
bbox.SetOrigin( bb.GetOrigin().x, bb.GetOrigin().y );
}
}
else
{
int radius = ( m_Size.x + 1 ) / 2;
int ymax = std::max( m_Start.y, m_End.y ) + radius;
int xmax = std::max( m_Start.x, m_End.x ) + radius;
int ymin = std::min( m_Start.y, m_End.y ) - radius;
int xmin = std::min( m_Start.x, m_End.x ) - radius;
bbox = EDA_RECT( wxPoint( xmin, ymin ), wxSize( xmax - xmin + 1, ymax - ymin + 1 ) );
}
break;
}
default:
wxASSERT_MSG( false, wxT( "GERBER_DRAW_ITEM shape is unknown!" ) );
break;
}
// calculate the corners coordinates in current gerber axis orientations
wxPoint org = GetABPosition( bbox.GetOrigin() );
wxPoint end = GetABPosition( bbox.GetEnd() );
// Set the corners position:
bbox.SetOrigin( org );
bbox.SetEnd( end );
bbox.Normalize();
return bbox;
}
