3D-printing/OrcaSlicer
1
0
Fork 0
mirror of https://github.com/SoftFever/OrcaSlicer.git synced 2025-07-14 18:27:58 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions 2

Bugfix: crash when rendering lines with zero length in 3D preview. #2569

Browse source
This commit is contained in:
Alessandro Ranellucci 2015-01-25 15:21:45 +01:00
parent a10a554e2a
commit c264969962
8 changed files with 35 additions and 30 deletions
Download patch file Download diff file Expand all files Collapse all files

21
xs/src/libslic3r/ExtrusionEntity.cpp
View file

@ -172,13 +172,6 @@ ExtrusionPath::grow() const
return pp;
}
ExtrusionLoop::operator Polygon() const
{
Polygon polygon;
this->polygon(&polygon);
return polygon;
}
ExtrusionLoop*
ExtrusionLoop::clone() const
{
@ -188,8 +181,7 @@ ExtrusionLoop::clone() const
bool
ExtrusionLoop::make_clockwise()
{
Polygon polygon = *this;
bool was_ccw = polygon.is_counter_clockwise();
bool was_ccw = this->polygon().is_counter_clockwise();
if (was_ccw) this->reverse();
return was_ccw;
}
@ -197,8 +189,7 @@ ExtrusionLoop::make_clockwise()
bool
ExtrusionLoop::make_counter_clockwise()
{
Polygon polygon = *this;
bool was_cw = polygon.is_clockwise();
bool was_cw = this->polygon().is_clockwise();
if (was_cw) this->reverse();
return was_cw;
}
@ -223,13 +214,15 @@ ExtrusionLoop::last_point() const
return this->paths.back().polyline.points.back(); // which coincides with first_point(), by the way
}
void
ExtrusionLoop::polygon(Polygon* polygon) const
Polygon
ExtrusionLoop::polygon() const
{
Polygon polygon;
for (ExtrusionPaths::const_iterator path = this->paths.begin(); path != this->paths.end(); ++path) {
// for each polyline, append all points except the last one (because it coincides with the first one of the next polyline)
polygon->points.insert(polygon->points.end(), path->polyline.points.begin(), path->polyline.points.end()-1);
polygon.points.insert(polygon.points.end(), path->polyline.points.begin(), path->polyline.points.end()-1);
}
return polygon;
}
double