int
SELECT_WIDGET::tap_cb(CGESTUREptr& g, DrawState*& s)
{
err_adv(debug, "SELECT_WIDGET::tap_cb()");
assert(g && g->is_tap());
if (_mode==SLASH_SEL)
{
//pattern editing
Bface* f = find_face(g->start(),0.25,MIN_PIX_AREA);
if (f) {
if (select_list.contains(f)||select_list.contains(f->quad_partner()))
{
//get whichever part of the quad is in the selection list
int temp = select_list.contains(f) ? select_list.get_index(f)+1 : select_list.get_index(f->quad_partner())+1 ;
if (temp>end_face) //user selected the end face
{
end_face=temp;
}
else //user is selecting a pattern
{
if (pattern<temp)
pattern=temp;
//select/deselect face
if (temp < MAX_PATTERN_SIZE)
pattern_array[temp]=!pattern_array[temp];
}
return 1;
}
else
cerr << "tap found a NULL face !" << endl;
}
return cancel_cb(g,s);
}
else
{
// Tap a selected face near the middle to deselect it:
if (try_deselect_face(g->center(), 0.25))
return 1;
// Tap edge to deselect
if (try_deselect_edge(g->center()))
return 1;
}
// Otherwise, turn off SELECT_WIDGET
return cancel_cb(g,s);
}
// 2
// 3|_|1
// 0
Bface*
ProxySurface::neighbor_face(int dir, Bface* face)
{
UVpt base_uv = baseUVpt(face);
UVpt uv1, uv2, uv3, uv4;
switch (dir)
{
case 0:
uv1 = UVpt(base_uv[0], base_uv[1]);
uv2 = UVpt(base_uv[0]+1, base_uv[1]);
uv3 = UVpt(base_uv[0], base_uv[1]-1);
uv4 = UVpt(base_uv[0]+1, base_uv[1]-1);
break;
case 1:
uv1 = UVpt(base_uv[0]+1, base_uv[1]);
uv2 = UVpt(base_uv[0]+2, base_uv[1]);
uv3 = UVpt(base_uv[0]+1, base_uv[1]+1);
uv4 = UVpt(base_uv[0]+2, base_uv[1]+1);
break;
case 2:
uv1 = UVpt(base_uv[0], base_uv[1]+1);
uv2 = UVpt(base_uv[0]+1, base_uv[1]+1);
uv3 = UVpt(base_uv[0], base_uv[1]+2);
uv4 = UVpt(base_uv[0]+1, base_uv[1]+2);
break;
case 3:
uv1 = UVpt(base_uv[0]-1, base_uv[1]);
uv2 = UVpt(base_uv[0], base_uv[1]);
uv3 = UVpt(base_uv[0], base_uv[1]+1);
uv4 = UVpt(base_uv[0]-1, base_uv[1]+1);
break;
default:
cerr << "ProxySurface::neighbor_face: invalid diraction" << endl;
assert(0);
}
Bvert* v1 = get_vert_grid(uv1);
Bvert* v2 = get_vert_grid(uv2);
Bvert* v3 = get_vert_grid(uv3);
Bvert* v4 = get_vert_grid(uv4);
if(!v1 || !v2 || !v3 || !v4)
return 0;
Bface* n = lookup_quad(v1, v2, v3, v4);
assert(n);
assert(n->is_quad());
n = (n->is_quad_rep()) ? n : n->quad_partner();
return n;
}
inline void
get_other_face(CBedge* e, CBface* f, Bsimplex_list& ret)
{
assert(e && f && f->contains(e));
if (e->is_weak())
return;
Bface* g = e->other_face(f);
if (!g)
return;
ret.push_back(g);
g = g->quad_partner();
if (g)
ret.push_back(g);
}
