inline Lines to_lines(const Polygon &poly)
{
Lines lines;
lines.reserve(poly.points.size());
for (Points::const_iterator it = poly.points.begin(); it != poly.points.end()-1; ++it)
lines.push_back(Line(*it, *(it + 1)));
lines.push_back(Line(poly.points.back(), poly.points.front()));
return lines;
}
Lines
Polyline::lines() const
{
Lines lines;
lines.reserve(this->points.size() - 1);
for (Points::const_iterator it = this->points.begin(); it != this->points.end()-1; ++it) {
lines.push_back(Line(*it, *(it + 1)));
}
return lines;
}
inline Lines to_lines(const Polygons &polys)
{
size_t n_lines = 0;
for (size_t i = 0; i < polys.size(); ++ i)
n_lines += polys[i].points.size();
Lines lines;
lines.reserve(n_lines);
for (size_t i = 0; i < polys.size(); ++ i) {
const Polygon &poly = polys[i];
for (Points::const_iterator it = poly.points.begin(); it != poly.points.end()-1; ++it)
lines.push_back(Line(*it, *(it + 1)));
lines.push_back(Line(poly.points.back(), poly.points.front()));
}
return lines;
}
inline Lines to_lines(const ExPolygon &src)
{
size_t n_lines = src.contour.points.size();
for (size_t i = 0; i < src.holes.size(); ++ i)
n_lines += src.holes[i].points.size();
Lines lines;
lines.reserve(n_lines);
for (size_t i = 0; i <= src.holes.size(); ++ i) {
const Polygon &poly = (i == 0) ? src.contour : src.holes[i - 1];
for (Points::const_iterator it = poly.points.begin(); it != poly.points.end()-1; ++it)
lines.push_back(Line(*it, *(it + 1)));
lines.push_back(Line(poly.points.back(), poly.points.front()));
}
return lines;
}
inline Lines to_lines(const ExPolygons &src)
{
size_t n_lines = 0;
for (ExPolygons::const_iterator it_expoly = src.begin(); it_expoly != src.end(); ++ it_expoly) {
n_lines += it_expoly->contour.points.size();
for (size_t i = 0; i < it_expoly->holes.size(); ++ i)
n_lines += it_expoly->holes[i].points.size();
}
Lines lines;
lines.reserve(n_lines);
for (ExPolygons::const_iterator it_expoly = src.begin(); it_expoly != src.end(); ++ it_expoly) {
for (size_t i = 0; i <= it_expoly->holes.size(); ++ i) {
const Points &points = ((i == 0) ? it_expoly->contour : it_expoly->holes[i - 1]).points;
for (Points::const_iterator it = points.begin(); it != points.end()-1; ++it)
lines.push_back(Line(*it, *(it + 1)));
lines.push_back(Line(points.back(), points.front()));
}
}
return lines;
}
