Rename BuildPolyPointsList() to DupPolyPointsList() and optimize code

to avoid multiple useless copies of the list of polygon corners in code.
This commit is contained in:
jean-pierre charras 2021-09-11 14:21:36 +02:00
parent 09ddcdbbca
commit 3316f3998a
6 changed files with 19 additions and 21 deletions

View File

@ -488,7 +488,7 @@ void PCB_SHAPE::TransformShapeWithClearanceToPolygon( SHAPE_POLY_SET& aCornerBuf
// Build the polygon with the actual position and orientation:
std::vector<wxPoint> poly;
poly = BuildPolyPointsList();
DupPolyPointsList( poly );
for( wxPoint& point : poly )
{

View File

@ -1274,20 +1274,20 @@ std::shared_ptr<SHAPE> PCB_SHAPE::GetEffectiveShape( PCB_LAYER_ID aLayer ) const
}
const std::vector<wxPoint> PCB_SHAPE::BuildPolyPointsList() const
void PCB_SHAPE::DupPolyPointsList( std::vector<wxPoint>& aBuffer ) const
{
std::vector<wxPoint> rv;
if( m_poly.OutlineCount() )
{
if( m_poly.COutline( 0 ).PointCount() )
{
for ( auto iter = m_poly.CIterate(); iter; iter++ )
rv.emplace_back( iter->x, iter->y );
}
}
int pointCount = m_poly.COutline( 0 ).PointCount();
return rv;
if( pointCount )
{
aBuffer.reserve( pointCount );
for ( auto iter = m_poly.CIterate(); iter; iter++ )
aBuffer.emplace_back( iter->x, iter->y );
}
}
}

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@ -223,13 +223,13 @@ public:
const std::vector<wxPoint>& GetBezierPoints() const { return m_bezierPoints; }
/**
* Build and return the list of corners in a std::vector<wxPoint>
* Duplicate the list of corners in a std::vector<wxPoint>
*
* It must be used only to convert the SHAPE_POLY_SET internal corner buffer
* to a list of wxPoints, and nothing else, because it duplicates the buffer,
* that is inefficient to know for instance the corner count
*/
const std::vector<wxPoint> BuildPolyPointsList() const;
void DupPolyPointsList( std::vector<wxPoint>& aBuffer ) const;
/**
* @return the number of corners of the polygonal shape

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@ -627,25 +627,20 @@ void BRDITEMS_PLOTTER::PlotFootprintGraphicItem( const FP_SHAPE* aShape )
case SHAPE_T::POLY:
if( aShape->IsPolyShapeValid() )
{
const std::vector<wxPoint> &polyPoints = aShape->BuildPolyPointsList();
std::vector<wxPoint> cornerList;
aShape->DupPolyPointsList( cornerList );
// We must compute board coordinates from m_PolyList which are relative to the parent
// position at orientation 0
const FOOTPRINT *parentFootprint = aShape->GetParentFootprint();
std::vector<wxPoint> cornerList;
cornerList.reserve( polyPoints.size() );
for( wxPoint corner : polyPoints )
{
if( parentFootprint )
{
for( wxPoint corner : cornerList )
{
RotatePoint( &corner, parentFootprint->GetOrientation() );
corner += parentFootprint->GetPosition();
}
cornerList.push_back( corner );
}
if( sketch || thickness > 0 )

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@ -579,8 +579,10 @@ void PCB_GRID_HELPER::computeAnchors( BOARD_ITEM* aItem, const VECTOR2I& aRefPos
{
SHAPE_LINE_CHAIN lc;
lc.SetClosed( true );
std::vector<wxPoint> poly;
shape->DupPolyPointsList( poly );
for( const wxPoint& p : shape->BuildPolyPointsList() )
for( const wxPoint& p : poly )
{
addAnchor( p, CORNER | SNAPPABLE, shape );
lc.Append( p );

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@ -1596,7 +1596,8 @@ void PCB_POINT_EDITOR::updatePoints()
case SHAPE_T::POLY:
{
const auto& points = shape->BuildPolyPointsList();
std::vector<wxPoint> points;
shape->DupPolyPointsList( points );
if( m_editPoints->PointsSize() != (unsigned) points.size() )
{