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[Geometry checker] Make polyLineSize survive empty geometries

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manisandro committed Mar 12, 2016
1 parent 3b40e2b commit 34bd12402362e8af1ba3b1cae09f6be9fb7c2c52
Showing with 16 additions and 7 deletions.
  1. +16 −7 src/plugins/geometry_checker/utils/qgsgeomutils.h
@@ -39,13 +39,22 @@ namespace QgsGeomUtils
*/
inline int polyLineSize( const QgsAbstractGeometryV2* geom, int iPart, int iRing, bool* isClosed = nullptr )
{
int nVerts = geom->vertexCount( iPart, iRing );
QgsPointV2 front = geom->vertexAt( QgsVertexId( iPart, iRing, 0 ) );
QgsPointV2 back = geom->vertexAt( QgsVertexId( iPart, iRing, nVerts - 1 ) );
bool closed = back == front;
if ( isClosed )
*isClosed = closed;
return closed ? nVerts - 1 : nVerts;
if ( !geom->isEmpty() )
{
int nVerts = geom->vertexCount( iPart, iRing );
QgsPointV2 front = geom->vertexAt( QgsVertexId( iPart, iRing, 0 ) );
QgsPointV2 back = geom->vertexAt( QgsVertexId( iPart, iRing, nVerts - 1 ) );
bool closed = back == front;
if ( isClosed )
*isClosed = closed;
return closed ? nVerts - 1 : nVerts;
}
else
{
if ( isClosed )
*isClosed = true;
return 0;
}
}

double sharedEdgeLength( const QgsAbstractGeometryV2* geom1, const QgsAbstractGeometryV2* geom2, double tol );

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