haskal
/
kicad
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add polygon arc support to Eagle import

This commit is contained in:
Seth Hillbrand 2018-04-02 10:49:43 -07:00
parent 532bf09817
commit ee05b1c92e
1 changed files with 45 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

51
pcbnew/eagle_plugin.cpp
View File

@ -1548,19 +1548,58 @@ void EAGLE_PLUGIN::packagePolygon( MODULE* aModule, wxXmlNode* aTree ) const
// Get the first vertex and iterate
wxXmlNode* vertex = aTree->GetChildren();
std::vector<EVERTEX> vertices;
// Create a circular vector of vertices
// The "curve" parameter indicates a curve from the current
// to the next vertex, so we keep the first at the end as well
// to allow the curve to link back
while( vertex )
{
if( vertex->GetName() != "vertex" ) // skip <xmlattr> node
continue;
EVERTEX v( vertex );
pts.push_back( wxPoint( kicad_x( v.x ), kicad_y( v.y ) ) );
if( vertex->GetName() == "vertex" )
vertices.push_back( EVERTEX( vertex ) );
vertex = vertex->GetNext();
}
vertices.push_back( vertices[0] );
for( size_t i = 0; i < vertices.size() - 1; i++ )
{
EVERTEX v1 = vertices[i];
// Append the corner
pts.push_back( wxPoint( kicad_x( v1.x ), kicad_y( v1.y ) ) );
if( v1.curve )
{
EVERTEX v2 = vertices[i + 1];
wxPoint center = ConvertArcCenter(
wxPoint( kicad_x( v1.x ), kicad_y( v1.y ) ),
wxPoint( kicad_x( v2.x ), kicad_y( v2.y ) ), *v1.curve );
double angle = DEG2RAD( *v1.curve );
double end_angle = atan2( kicad_y( v2.y ) - center.y,
kicad_x( v2.x ) - center.x );
double radius = sqrt( pow( center.x - kicad_x( v1.x ), 2 )
+ pow( center.y - kicad_y( v1.y ), 2 ) );
// If we are curving, we need at least 2 segments otherwise
// delta_angle == angle
double delta_angle = angle / std::max(
2, GetArcToSegmentCount( KiROUND( radius ),
ARC_HIGH_DEF, *v1.curve ) - 1 );
for( double a = end_angle + angle;
fabs( a - end_angle ) > fabs( delta_angle );
a -= delta_angle )
{
pts.push_back(
wxPoint( KiROUND( radius * cos( a ) ),
KiROUND( radius * sin( a ) ) ) + center );
}
}
}
dwg->SetPolyPoints( pts );
dwg->SetStart0( *pts.begin() );
dwg->SetEnd0( pts.back() );