void MakePolygonFromInts(int *ints, int size, ClipperLib::Polygon &p)
{
p.clear();
p.reserve(size / 2);
for (int i = 0; i < size; i +=2)
p.push_back(IntPoint(ints[i], ints[i+1]));
}
void
Slic3rPolygon_to_ClipperPolygon(const Slic3r::Polygon &input, ClipperLib::Polygon &output)
{
output.clear();
for (Slic3r::Points::const_iterator pit = input.points.begin(); pit != input.points.end(); ++pit) {
output.push_back(ClipperLib::IntPoint( (*pit).x, (*pit).y ));
}
}
void polygonFromQxClipper(const QPolygonF& qxPolygon,
ClipperLib::Polygon &clipperPolygon)
{
clipperPolygon.clear();
clipperPolygon.reserve(qxPolygon.size());
foreach(const QPointF &point, qxPolygon)
{
clipperPolygon.push_back(ClipperLib::IntPoint(point.x()*ConversionFactor,
point.y()*ConversionFactor));
}