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Fixes of MutablePolygon

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This commit is contained in:
Vojtech Bubnik
2021-03-23 09:59:08 +01:00
parent 1c2d264570
commit 00295919bf
2 changed files with 42 additions and 13 deletions
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8
src/libslic3r/MutablePolygon.hpp
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@@ -85,7 +85,7 @@ public:
}
void advance_front() {
assert(!this->empty());
assert(! this->empty());
if (m_begin == m_end)
this->make_empty();
else
@@ -93,7 +93,7 @@ public:
}
void retract_back() {
assert(!this->empty());
assert(! this->empty());
if (m_begin == m_end)
this->make_empty();
else
@@ -101,13 +101,13 @@ public:
}
MutablePolygon::iterator remove_front(MutablePolygon::iterator it) {
if (m_begin == it)
if (! this->empty() && m_begin == it)
this->advance_front();
return it.remove();
}
MutablePolygon::iterator remove_back(MutablePolygon::iterator it) {
if (m_end == it)
if (! this->empty() && m_end == it)
this->retract_back();
return it.remove();
}