Version 5.0 The LEDA User Manual

#include
#include
using namespace leda;
class attr_update : public geowin_update
{
void update(const list& L, list& C)
{
GeoWin* GW_ptr = GeoWin::get_call_geowin();
GeoBaseScene* aec =
(GeoBaseScene*) GeoWin::get_call_scene();
}
}
};
C.clear();
if (! L.empty()) {
ALL_EMPTY_CIRCLES(L,C);
// now set some attributes
list::iterator it = C.begin();
int cw=0;
for(;it!=C.end();it++) {
GW_ptr->set_obj_fill_color(aec,it,color(cw % 15));
GW_ptr->set_obj_color(aec,it,color(cw % 10));
cw++;
}
int main()
{
GeoWin GW("All empty circles - object attribute test");
}
list L;
geo_scene input = GW.new_scene(L);
GW.set_point_style(input, disc_point);
attr_update aec_help;
geo_scene aec = GW.new_scene(aec_help, input, string("All empty circles"));
GW.set_all_visible(true);
GW.edit(input);
return 0;
template
color GW.get obj color(GeoBaseScene ∗ sc, void ∗ adr)
returns the boundary color of the object at (∗adr).
template
color GW.get obj color(GeoBaseScene ∗ sc, typename T :: iterator it)
template
returns the boundary color of the object it points to.