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SHAPE_POLY_SET: add FullPointCount(), mainly for statistics and debug.

This commit is contained in:
jean-pierre charras 2021-10-24 14:41:58 +02:00
parent c9d858eaf5
commit 29c3601061
2 changed files with 25 additions and 0 deletions
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4
libs/kimath/include/geometry/shape_poly_set.h
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@ -649,6 +649,10 @@ public:
///< Return the number of vertices in a given outline/hole
int VertexCount( int aOutline = -1, int aHole = -1 ) const;
///< Return the number of points in the shape poly set.
///< mainly for reports
int FullPointCount() const;
///< Returns the number of holes in a given outline
int HoleCount( int aOutline ) const
{

21
libs/kimath/src/geometry/shape_poly_set.cpp
View File

@ -319,6 +319,27 @@ int SHAPE_POLY_SET::VertexCount( int aOutline, int aHole ) const
}
int SHAPE_POLY_SET::FullPointCount() const
{
int full_count = 0;
if( m_polys.size() == 0 ) // Empty poly set
return full_count;
for( int ii = 0; ii < OutlineCount(); ii++ )
{
// the first polygon in m_polys[ii] is the main contour,
// only others are holes:
for( int idx = 0; idx <= HoleCount( ii ); idx++ )
{
full_count += m_polys[ii][idx].PointCount();
}
}
return full_count;
}
SHAPE_POLY_SET SHAPE_POLY_SET::Subset( int aFirstPolygon, int aLastPolygon )
{
assert( aFirstPolygon >= 0 && aLastPolygon <= OutlineCount() );