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Ported Slic3r::GCode::needs_retraction() to XS

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This commit is contained in:
Alessandro Ranellucci 2015-07-01 23:14:40 +02:00
parent b4019bb438
commit 5571144c0e
4 changed files with 42 additions and 35 deletions
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35
lib/Slic3r/GCode.pm
View File

@ -334,41 +334,6 @@ sub travel_to {
return $gcode;
}
sub needs_retraction {
my ($self, $travel, $role) = @_;
if ($travel->length < scale $self->config->get_at('retract_before_travel', $self->writer->extruder->id)) {
# skip retraction if the move is shorter than the configured threshold
return 0;
}
if (defined $role && $role == EXTR_ROLE_SUPPORTMATERIAL && $self->layer->as_support_layer->support_islands->contains_polyline($travel)) {
# skip retraction if this is a travel move inside a support material island
return 0;
}
if ($self->config->only_retract_when_crossing_perimeters && $self->has_layer) {
if ($self->config->fill_density > 0
&& $self->layer->any_internal_region_slice_contains_polyline($travel)) {
# skip retraction if travel is contained in an internal slice *and*
# internal infill is enabled (so that stringing is entirely not visible)
return 0;
} elsif ($self->layer->any_bottom_region_slice_contains_polyline($travel)
&& defined $self->layer->upper_layer
&& $self->layer->upper_layer->slices->contains_polyline($travel)
&& ($self->config->bottom_solid_layers >= 2 || $self->config->fill_density > 0)) {
# skip retraction if travel is contained in an *infilled* bottom slice
# but only if it's also covered by an *infilled* upper layer's slice
# so that it's not visible from above (a bottom surface might not have an
# upper slice in case of a thin membrane)
return 0;
}
}
# retract if only_retract_when_crossing_perimeters is disabled or doesn't apply
return 1;
}
sub set_extruder {
my ($self, $extruder_id) = @_;

39
xs/src/libslic3r/GCode.cpp
View File

@ -1,4 +1,5 @@
#include "GCode.hpp"
#include "ExtrusionEntity.hpp"
namespace Slic3r {
@ -213,6 +214,44 @@ GCode::preamble()
return gcode;
}
bool
GCode::needs_retraction(const Polyline &travel, ExtrusionRole role)
{
if (travel.length() < scale_(this->config.retract_before_travel.get_at(this->writer.extruder()->id))) {
// skip retraction if the move is shorter than the configured threshold
return false;
}
if (role == erSupportMaterial) {
SupportLayer* support_layer = dynamic_cast<SupportLayer*>(this->layer);
if (support_layer->support_islands.contains(travel)) {
// skip retraction if this is a travel move inside a support material island
return false;
}
}
if (this->config.only_retract_when_crossing_perimeters && this->layer != NULL) {
if (this->config.fill_density.value > 0
&& this->layer->any_internal_region_slice_contains(travel)) {
/* skip retraction if travel is contained in an internal slice *and*
internal infill is enabled (so that stringing is entirely not visible) */
return false;
} else if (this->layer->any_bottom_region_slice_contains(travel)
&& this->layer->upper_layer != NULL
&& this->layer->upper_layer->slices.contains(travel)
&& (this->config.bottom_solid_layers.value >= 2 || this->config.fill_density.value > 0)) {
/* skip retraction if travel is contained in an *infilled* bottom slice
but only if it's also covered by an *infilled* upper layer's slice
so that it's not visible from above (a bottom surface might not have an
upper slice in case of a thin membrane) */
return false;
}
}
// retract if only_retract_when_crossing_perimeters is disabled or doesn't apply
return true;
}
std::string
GCode::retract(bool toolchange)
{

1
xs/src/libslic3r/GCode.hpp
View File

@ -87,6 +87,7 @@ class GCode {
void apply_print_config(const PrintConfig &print_config);
void set_origin(const Pointf &pointf);
std::string preamble();
bool needs_retraction(const Polyline &travel, ExtrusionRole role);
std::string retract(bool toolchange = false);
std::string unretract();
Pointf point_to_gcode(const Point &point);

2
xs/xsp/GCode.xsp
View File

@ -152,6 +152,8 @@
void set_origin(Pointf* pointf)
%code{% THIS->set_origin(*pointf); %};
std::string preamble();
bool needs_retraction(Polyline* travel, ExtrusionRole role)
%code{% RETVAL = THIS->needs_retraction(*travel, role); %};
std::string retract(bool toolchange = false);
std::string unretract();
Clone<Pointf> point_to_gcode(Point* point)