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document the usage of flatten()

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This commit is contained in:
Joseph Lenox 2018-07-25 23:47:56 -05:00
parent 6710b249b1
commit 5e09035181
1 changed files with 9 additions and 1 deletions
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8
xs/src/libslic3r/ExtrusionEntityCollection.hpp
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@ -27,9 +27,11 @@ class ExtrusionEntityCollection : public ExtrusionEntity
/// Operator to convert and flatten this collection to a single vefctor of ExtrusionPaths. /// Operator to convert and flatten this collection to a single vefctor of ExtrusionPaths.
operator ExtrusionPaths() const; operator ExtrusionPaths() const;
/// This particular ExtrusionEntity is a collection.
bool is_collection() const { bool is_collection() const {
return true; return true;
}; };
bool can_reverse() const { bool can_reverse() const {
return !this->no_sort; return !this->no_sort;
}; };
@ -58,12 +60,18 @@ class ExtrusionEntityCollection : public ExtrusionEntity
/// Returns a single vector of pointers to all non-collection items contained in this one /// Returns a single vector of pointers to all non-collection items contained in this one
void flatten(ExtrusionEntityCollection* retval) const; void flatten(ExtrusionEntityCollection* retval) const;
/// Returns a flattened copy of this ExtrusionEntityCollection. That is, all of the items in its entities vector are not collections.
/// You should be iterating over flatten().entities if you are interested in the underlying ExtrusionEntities (and don't care about hierarchy).
ExtrusionEntityCollection flatten() const; ExtrusionEntityCollection flatten() const;
double min_mm3_per_mm() const; double min_mm3_per_mm() const;
Polyline as_polyline() const { Polyline as_polyline() const {
CONFESS("Calling as_polyline() on a ExtrusionEntityCollection"); CONFESS("Calling as_polyline() on a ExtrusionEntityCollection");
return Polyline(); return Polyline();
}; };
ExtrusionEntitiesPtr::iterator begin() { return entities.begin(); } ExtrusionEntitiesPtr::iterator begin() { return entities.begin(); }
ExtrusionEntitiesPtr::iterator end() { return entities.end(); } ExtrusionEntitiesPtr::iterator end() { return entities.end(); }
ExtrusionEntitiesPtr::const_iterator cbegin() const { return entities.cbegin(); } ExtrusionEntitiesPtr::const_iterator cbegin() const { return entities.cbegin(); }