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Bugfix: prevent crash in brim code. #3981

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This commit is contained in:
Alessandro Ranellucci 2017-06-01 10:33:32 +02:00
parent b3d33ff3da
commit 5493f4b0a6
1 changed files with 9 additions and 7 deletions
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16
xs/src/libslic3r/Print.cpp
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@ -753,6 +753,7 @@ Print::skirt_first_layer_height() const
return this->objects.front()->config.get_abs_value("first_layer_height");
}
// This will throw an exception when called without PrintObjects
Flow
Print::brim_flow() const
{
@ -778,6 +779,7 @@ Print::brim_flow() const
return flow;
}
// This will throw an exception when called without PrintObjects
Flow
Print::skirt_flow() const
{
@ -808,15 +810,15 @@ Print::_make_brim()
// checking whether we need to generate them
this->brim.clear();
if (this->config.brim_width == 0
&& this->config.interior_brim_width == 0
&& this->config.brim_connections_width == 0) {
if (this->objects.empty()
|| (this->config.brim_width == 0
&& this->config.interior_brim_width == 0
&& this->config.brim_connections_width == 0)) {
this->state.set_done(psBrim);
return;
}
// brim is only printed on first layer and uses perimeter extruder
const double first_layer_height = this->skirt_first_layer_height();
const Flow flow = this->brim_flow();
const double mm3_per_mm = flow.mm3_per_mm();
@ -864,7 +866,7 @@ Print::_make_brim()
{
Polygons chained = union_pt_chained(loops);
for (Polygons::const_reverse_iterator p = chained.rbegin(); p != chained.rend(); ++p) {
ExtrusionPath path(erSkirt, mm3_per_mm, flow.width, first_layer_height);
ExtrusionPath path(erSkirt, mm3_per_mm, flow.width, flow.height);
path.polyline = p->split_at_first_point();
this->brim.append(ExtrusionLoop(path));
}
@ -920,7 +922,7 @@ Print::_make_brim()
const Polylines paths = filler->fill_surface(Surface(stBottom, *ex));
for (Polylines::const_iterator pl = paths.begin(); pl != paths.end(); ++pl) {
ExtrusionPath path(erSkirt, mm3_per_mm, flow.width, first_layer_height);
ExtrusionPath path(erSkirt, mm3_per_mm, flow.width, flow.height);
path.polyline = *pl;
this->brim.append(path);
}
@ -963,7 +965,7 @@ Print::_make_brim()
loops = union_pt_chained(loops);
for (const Polygon &p : loops) {
ExtrusionPath path(erSkirt, mm3_per_mm, flow.width, first_layer_height);
ExtrusionPath path(erSkirt, mm3_per_mm, flow.width, flow.height);
path.polyline = p.split_at_first_point();
this->brim.append(ExtrusionLoop(path));
}