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Handle closed shapes being processed after other shapes. 

Fixes https://gitlab.com/kicad/code/kicad/issues/6845
This commit is contained in:
Jeff Young 2020-12-26 10:59:06 +00:00
parent fd77982496
commit ab97035ecb
1 changed files with 118 additions and 97 deletions
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33
pcbnew/convert_drawsegment_list_to_polygon.cpp
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@ -197,10 +197,10 @@ bool ConvertOutlineToPolygon( std::vector<PCB_SHAPE*>& aSegList, SHAPE_POLY_SET&
return true;
bool polygonComplete = false;
bool selfIntersecting = false;
wxString msg;
PCB_SHAPE* graphic;
wxPoint prevPt;
PCB_SHAPE* graphic = nullptr;
std::set<PCB_SHAPE*> startCandidates( aSegList.begin(), aSegList.end() );
@ -337,8 +337,10 @@ bool ConvertOutlineToPolygon( std::vector<PCB_SHAPE*>& aSegList, SHAPE_POLY_SET&
// Grab the left most point, assume its on the board's perimeter, and see if we can put
// enough graphics together by matching endpoints to formulate a cohesive polygon.
graphic = (PCB_SHAPE*) aSegList[xmini];
PCB_SHAPE* prevGraphic = nullptr;
wxPoint prevPt;
graphic = (PCB_SHAPE*) aSegList[xmini];
graphic->SetFlags( SKIP_STRUCT );
startCandidates.erase( graphic );
@ -413,6 +415,23 @@ bool ConvertOutlineToPolygon( std::vector<PCB_SHAPE*>& aSegList, SHAPE_POLY_SET&
{
switch( graphic->GetShape() )
{
case S_RECT:
case S_CIRCLE:
{
// As a non-first item, closed shapes can't be anything but self-intersecting
if( aErrorHandler )
{
wxASSERT( prevGraphic );
(*aErrorHandler)( _( "(self-intersecting)" ), prevGraphic, graphic, prevPt );
}
selfIntersecting = true;
// A closed shape will finish where it started, so no point in updating prevPt
}
break;
case S_SEGMENT:
{
wxPoint nextPt;
@ -432,9 +451,10 @@ bool ConvertOutlineToPolygon( std::vector<PCB_SHAPE*>& aSegList, SHAPE_POLY_SET&
break;
case S_ARC:
{
// We do not support arcs in polygons, so approximate an arc with a series of
// short lines and put those line segments into the !same! PATH.
{
wxPoint pstart = graphic->GetArcStart();
wxPoint pend = graphic->GetArcEnd();
wxPoint pcenter = graphic->GetCenter();
@ -470,9 +490,10 @@ bool ConvertOutlineToPolygon( std::vector<PCB_SHAPE*>& aSegList, SHAPE_POLY_SET&
break;
case S_CURVE:
{
// We do not support Bezier curves in polygons, so approximate with a series
// of short lines and put those line segments into the !same! PATH.
{
wxPoint nextPt;
bool first = true;
bool reverse = false;
@ -537,6 +558,7 @@ bool ConvertOutlineToPolygon( std::vector<PCB_SHAPE*>& aSegList, SHAPE_POLY_SET&
if( nextGraphic && !( nextGraphic->GetFlags() & SKIP_STRUCT ) )
{
prevGraphic = graphic;
graphic = nextGraphic;
graphic->SetFlags( SKIP_STRUCT );
startCandidates.erase( graphic );
@ -815,7 +837,6 @@ bool ConvertOutlineToPolygon( std::vector<PCB_SHAPE*>& aSegList, SHAPE_POLY_SET&
// All of the silliness that follows is to work around the segment iterator while checking
// for collisions.
// TODO: Implement proper segment and point iterators that follow std
bool selfIntersecting = false;
for( auto seg1 = aPolygons.IterateSegmentsWithHoles(); seg1; seg1++ )
{