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Gui: add function View3DInventorViewer::projectPointToLine and expose to Python

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This commit is contained in:
wmayer
2021-12-12 12:49:53 +01:00
parent 4dae213b45
commit b6527a7098
4 changed files with 53 additions and 2 deletions
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29
src/Gui/View3DPy.cpp
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@@ -166,6 +166,10 @@ void View3DInventorPy::init_type()
"getPointOnScreen(3D vector) -> pixel coords (as integer)\n"
"\n"
"Return the projected 3D point (in pixel coordinates).\n");
add_varargs_method("projectPointToLine",&View3DInventorPy::projectPointToLine,
"projectPointToLine(pixel coords (as integer)) -> line defined by two points\n"
"\n"
"Return the projecting 3D line to the given 2D point");
add_varargs_method("addEventCallback",&View3DInventorPy::addEventCallback,"addEventCallback()");
add_varargs_method("removeEventCallback",&View3DInventorPy::removeEventCallback,"removeEventCallback()");
add_varargs_method("setAnnotation",&View3DInventorPy::setAnnotation,"setAnnotation()");
@@ -1710,6 +1714,31 @@ Py::Object View3DInventorPy::getPointOnScreen(const Py::Tuple& args)
}
}
Py::Object View3DInventorPy::projectPointToLine(const Py::Tuple& args)
{
short x,y;
if (!PyArg_ParseTuple(args.ptr(), "hh", &x, &y)) {
PyErr_Clear();
Py::Tuple t(args[0]);
x = (int)Py::Int(t[0]);
y = (int)Py::Int(t[1]);
}
try {
SbVec3f pt1, pt2;
getView3DIventorPtr()->getViewer()->projectPointToLine(SbVec2s(x,y), pt1, pt2);
Py::Tuple tuple(2);
tuple.setItem(0, Py::Vector(Base::Vector3f(pt1[0], pt1[1], pt1[2])));
tuple.setItem(1, Py::Vector(Base::Vector3f(pt2[0], pt2[1], pt2[2])));
return tuple;
}
catch (const Base::Exception& e) {
throw Py::RuntimeError(e.what());
}
catch (const Py::Exception&) {
throw;
}
}
Py::Object View3DInventorPy::listNavigationTypes(const Py::Tuple&)
{
std::vector<Base::Type> types;