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+ Throw exception when querying information from invalid shape

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This commit is contained in:
wmayer 2013-11-13 12:29:06 +01:00
parent 3ffe5936f4
commit 387b8fcd9e
1 changed files with 12 additions and 3 deletions
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15
src/Mod/Part/App/TopoShapePyImp.cpp
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@ -1716,22 +1716,31 @@ Py::List TopoShapePy::getCompounds(void) const
Py::Float TopoShapePy::getLength(void) const
{
const TopoDS_Shape& shape = getTopoShapePtr()->_Shape;
if (shape.IsNull())
throw Py::RuntimeError("shape is invalid");
GProp_GProps props;
BRepGProp::LinearProperties(getTopoShapePtr()->_Shape, props);
BRepGProp::LinearProperties(shape, props);
return Py::Float(props.Mass());
}
Py::Float TopoShapePy::getArea(void) const
{
const TopoDS_Shape& shape = getTopoShapePtr()->_Shape;
if (shape.IsNull())
throw Py::RuntimeError("shape is invalid");
GProp_GProps props;
BRepGProp::SurfaceProperties(getTopoShapePtr()->_Shape, props);
BRepGProp::SurfaceProperties(shape, props);
return Py::Float(props.Mass());
}
Py::Float TopoShapePy::getVolume(void) const
{
const TopoDS_Shape& shape = getTopoShapePtr()->_Shape;
if (shape.IsNull())
throw Py::RuntimeError("shape is invalid");
GProp_GProps props;
BRepGProp::VolumeProperties(getTopoShapePtr()->_Shape, props);
BRepGProp::VolumeProperties(shape, props);
return Py::Float(props.Mass());
}