Move Print object storage to C++. (along with its subobjects)

xs/src/Layer.cpp

@@ -0,0 +1,107 @@
+#include "Layer.hpp"
+
+
+namespace Slic3r {
+
+LayerRegion::LayerRegion(Layer *layer, PrintRegion *region)
+:   layer(layer),
+    region(region)
+{
+}
+
+LayerRegion::~LayerRegion()
+{
+}
+
+#ifdef SLIC3RXS
+REGISTER_CLASS(LayerRegion, "Layer::Region");
+#endif
+
+
+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();
+}
+
+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;
+}
+
+
+#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
+
+
+}