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#include "Layer.hpp"
#include "ClipperUtils.hpp"
#include "Geometry.hpp"
#include "Print.hpp"
namespace Slic3r {
Layer::Layer(int id, PrintObject *object, coordf_t height, coordf_t print_z,
coordf_t slice_z)
: _id(id),
_object(object),
upper_layer(NULL),
lower_layer(NULL),
regions(),
slicing_errors(false),
slice_z(slice_z),
print_z(print_z),
height(height),
slices()
{
}
Layer::~Layer()
{
// remove references to self
if (NULL != this->upper_layer) {
this->upper_layer->lower_layer = NULL;
}
if (NULL != this->lower_layer) {
this->lower_layer->upper_layer = NULL;
}
this->clear_regions();
}
int
Layer::id()
{
return this->_id;
}
PrintObject*
Layer::object()
{
return this->_object;
}
size_t
Layer::region_count()
{
return this->regions.size();
}
void
Layer::clear_regions()
{
for (int i = this->regions.size()-1; i >= 0; --i)
this->delete_region(i);
}
LayerRegion*
Layer::get_region(int idx)
{
return this->regions.at(idx);
}
LayerRegion*
Layer::add_region(PrintRegion* print_region)
{
LayerRegion* region = new LayerRegion(this, print_region);
this->regions.push_back(region);
return region;
}
void
Layer::delete_region(int idx)
{
LayerRegionPtrs::iterator i = this->regions.begin() + idx;
LayerRegion* item = *i;
this->regions.erase(i);
delete item;
}
// merge all regions' slices to get islands
void
Layer::make_slices()
{
ExPolygons slices;
if (this->regions.size() == 1) {
// optimization: if we only have one region, take its slices
slices = this->regions.front()->slices;
} else {
Polygons slices_p;
FOREACH_LAYERREGION(this, layerm) {
Polygons region_slices_p = (*layerm)->slices;
slices_p.insert(slices_p.end(), region_slices_p.begin(), region_slices_p.end());
}
union_(slices_p, slices);
}
this->slices.expolygons.clear();
this->slices.expolygons.reserve(slices.size());
// prepare ordering points
Points ordering_points;
ordering_points.reserve(slices.size());
for (ExPolygons::const_iterator ex = slices.begin(); ex != slices.end(); ++ex)
ordering_points.push_back(ex->contour.first_point());
// sort slices
std::vector<Points::size_type> order;
Slic3r::Geometry::chained_path(ordering_points, order);
// populate slices vector
for (std::vector<Points::size_type>::const_iterator it = order.begin(); it != order.end(); ++it) {
this->slices.expolygons.push_back(slices[*it]);
}
}
#ifdef SLIC3RXS
REGISTER_CLASS(Layer, "Layer");
#endif
SupportLayer::SupportLayer(int id, PrintObject *object, coordf_t height,
coordf_t print_z, coordf_t slice_z)
: Layer(id, object, height, print_z, slice_z)
{
}
SupportLayer::~SupportLayer()
{
}
#ifdef SLIC3RXS
REGISTER_CLASS(SupportLayer, "Layer::Support");
#endif
}
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