bool
Layer_Polygon::set_param(const String & param, const ValueBase &value)
{
if( param=="vector_list" && param_vector_list.get_type()==value.get_type())
{
param_vector_list=value;
Layer_Shape::clear();
add_polygon(value.get_list_of(Vector()));
sync();
return true;
}
return Layer_Shape::set_param(param,value);
}
ValueBase
synfig::convert_bline_to_wplist(const ValueBase& bline)
{
// returns if the parameter is not a list or if it is a list, it is empty
if(bline.empty())
return ValueBase(type_list);
// returns if the contained type is not blinepoint
if(bline.get_contained_type()!=type_bline_point)
return ValueBase(type_list);
std::vector<WidthPoint> ret;
std::vector<BLinePoint> list(bline.get_list_of(BLinePoint()));
std::vector<BLinePoint>::const_iterator iter;
Real position, totalpoints, i(0);
totalpoints=(Real)list.size();
// Inserts all the points at the positions given by the bline
// positions are 0.0 to 1.0 equally spaced based on the number of blinepoints
for(iter=list.begin();iter!=list.end();++iter)
{
position=i/totalpoints;
ret.push_back(WidthPoint(position,iter->get_width()));
i=i+1.0;
}
// If the bline is not looped then make the cups type rounded for the
// first and last width points.
// In the future when this function is used to convert old blines to
// new wlines the end and start cups should be readed from the oultline
// layer
if(!bline.get_loop())
{
std::vector<WidthPoint>::iterator iter;
iter=ret.end();
iter--;
iter->set_side_type_after(WidthPoint::TYPE_ROUNDED);
iter=ret.begin();
iter->set_side_type_before(WidthPoint::TYPE_ROUNDED);
}
return ValueBase(ret);
}
