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Don't convert arcs with infinite radius - treat them as a line instead

This commit is contained in:
Roberto Fernandez Bautista 2022-03-07 21:24:09 +00:00
parent bf0f2aa4a8
commit d39127cac7
1 changed files with 11 additions and 0 deletions
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11
libs/kimath/src/convert_basic_shapes_to_polygon.cpp
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@ -576,6 +576,17 @@ void TransformArcToPolygon( SHAPE_POLY_SET& aCornerBuffer, const VECTOR2I& aStar
const VECTOR2I& aMid, const VECTOR2I& aEnd, int aWidth, const VECTOR2I& aMid, const VECTOR2I& aEnd, int aWidth,
int aError, ERROR_LOC aErrorLoc ) int aError, ERROR_LOC aErrorLoc )
{ {
SEG startToEnd( aStart, aEnd );
int distanceToMid = startToEnd.Distance( aMid );
if( distanceToMid <= 1 )
{
// Not an arc but essentially a straight line with a small error
TransformOvalToPolygon( aCornerBuffer, aStart, aEnd, aWidth + distanceToMid, aError,
aErrorLoc );
return;
}
// This appproximation builds a single polygon by starting with a 180 degree arc at one // This appproximation builds a single polygon by starting with a 180 degree arc at one
// end, then the outer edge of the arc, then a 180 degree arc at the other end, and finally // end, then the outer edge of the arc, then a 180 degree arc at the other end, and finally
// the inner edge of the arc. // the inner edge of the arc.