static PyObject*
connects(PygtsSegment *self, PyObject *args)
{
PyObject *v1_,*v2_;
GtsVertex *v1,*v2;
SELF_CHECK
/* Parse the args */
if(! PyArg_ParseTuple(args, "OO", &v1_, &v2_) ) {
return NULL;
}
/* Convert to PygtsObjects */
if(!pygts_vertex_check(v1_)) {
PyErr_SetString(PyExc_TypeError,"expected a Vertex");
return NULL;
}
v1 = PYGTS_VERTEX_AS_GTS_VERTEX(v1_);
if(!pygts_vertex_check(v2_)) {
PyErr_SetString(PyExc_TypeError,"expected a Vertex");
return NULL;
}
v2 = PYGTS_VERTEX_AS_GTS_VERTEX(v2_);
if(gts_segment_connect(PYGTS_SEGMENT_AS_GTS_SEGMENT(self),v1,v2)) {
Py_INCREF(Py_True);
return Py_True;
}
else {
Py_INCREF(Py_False);
return Py_False;
}
}
/**
* gts_triangle_set:
* @triangle: a #GtsTriangle.
* @e1: a #GtsEdge.
* @e2: another #GtsEdge touching @e1.
* @e3: another #GtsEdge touching both @e1 and @e2.
*
* Sets the edge of @triangle to @e1, @e2 and @e3 while checking that they
* define a valid triangle.
*/
void gts_triangle_set (GtsTriangle * triangle,
GtsEdge * e1,
GtsEdge * e2,
GtsEdge * e3)
{
g_return_if_fail (e1 != NULL);
g_return_if_fail (e2 != NULL);
g_return_if_fail (e3 != NULL);
g_return_if_fail (e1 != e2 && e1 != e3 && e2 != e3);
triangle->e1 = e1;
triangle->e2 = e2;
triangle->e3 = e3;
if (GTS_SEGMENT (e1)->v1 == GTS_SEGMENT (e2)->v1)
g_return_if_fail (gts_segment_connect (GTS_SEGMENT (e3),
GTS_SEGMENT (e1)->v2,
GTS_SEGMENT (e2)->v2));
else if (GTS_SEGMENT (e1)->v2 == GTS_SEGMENT (e2)->v1)
g_return_if_fail (gts_segment_connect (GTS_SEGMENT (e3),
GTS_SEGMENT (e1)->v1,
GTS_SEGMENT (e2)->v2));
else if (GTS_SEGMENT (e1)->v2 == GTS_SEGMENT (e2)->v2)
g_return_if_fail (gts_segment_connect (GTS_SEGMENT (e3),
GTS_SEGMENT (e1)->v1,
GTS_SEGMENT (e2)->v1));
else if (GTS_SEGMENT (e1)->v1 == GTS_SEGMENT (e2)->v2)
g_return_if_fail (gts_segment_connect (GTS_SEGMENT (e3),
GTS_SEGMENT (e1)->v2,
GTS_SEGMENT (e2)->v1));
else
return; //finetjul: g_assert_not_reached ();
e1->triangles = g_slist_prepend (e1->triangles, triangle);
e2->triangles = g_slist_prepend (e2->triangles, triangle);
e3->triangles = g_slist_prepend (e3->triangles, triangle);
}
