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Fix SHAPE_LINE_CHAIN::Slice when end is an arc followed by a point 

Fixes https://gitlab.com/kicad/code/kicad/-/issues/9770
This commit is contained in:
Jon Evans 2021-11-25 10:05:27 -05:00
parent ade8fe4333
commit b4342d813b
3 changed files with 12 additions and 3 deletions
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2
libs/kimath/src/geometry/shape_line_chain.cpp
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@ -988,7 +988,7 @@ int SHAPE_LINE_CHAIN::NextShape( int aPointIndex, bool aForwards ) const
if( aPointIndex == lastIndex ) if( aPointIndex == lastIndex )
{ {
if( !m_closed ) if( !m_closed && arcIndex( aPointIndex ) == currentArcIdx )
return -1; return -1;
else else
return lastIndex; // Segment between last point and the start return lastIndex; // Segment between last point and the start

9
qa/libs/kimath/geometry/test_shape_line_chain.cpp
View File

@ -393,6 +393,15 @@ BOOST_AUTO_TEST_CASE( Slice )
BOOST_CHECK_EQUAL( sliceResult.GetPoint( 8 ), targetSegment.B ); BOOST_CHECK_EQUAL( sliceResult.GetPoint( 8 ), targetSegment.B );
BOOST_CHECK_EQUAL( sliceResult.GetPoint( 9 ), secondArc.GetP0() ); BOOST_CHECK_EQUAL( sliceResult.GetPoint( 9 ), secondArc.GetP0() );
} }
BOOST_TEST_CONTEXT( "Case 5: Chain ends in arc and point" )
{
SHAPE_LINE_CHAIN chainCopy = chain;
chainCopy.Append( VECTOR2I( 400000, 400000 ) );
SHAPE_LINE_CHAIN sliceResult = chainCopy.Slice( 11, -1 );
BOOST_CHECK_EQUAL( sliceResult.GetPoint( -1 ), VECTOR2I( 400000, 400000 ) );
}
} }