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Bugfix: wrong inwards moves were calculated for 2+ copies because ExtrusionLoop objects were modified in place. Includes regression test. #1842

issue1834
Alessandro Ranellucci 2014-03-24 20:01:14 +01:00
parent b4ac63d749
commit 5ce4de0544
2 changed files with 14 additions and 1 deletions
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4
lib/Slic3r/GCode.pm
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@ -188,6 +188,10 @@ sub extrude {
sub extrude_loop {
my ($self, $loop, $description) = @_;
# make a copy; don't modify the orientation of the original loop object otherwise
# next copies (if any) would not detect the correct orientation
$loop = $loop->clone;
# extrude all loops ccw
my $was_clockwise = $loop->make_counter_clockwise;
my $polygon = $loop->polygon;

11
t/perimeters.t
View File

@ -43,7 +43,11 @@ use Slic3r::Test;
{
$config->set('external_perimeter_speed', 68);
my $print = Slic3r::Test::init_print('cube_with_hole', config => $config);
my $print = Slic3r::Test::init_print(
'cube_with_hole',
config => $config,
duplicate => 2, # we test two copies to make sure ExtrusionLoop objects are not modified in-place (the second object would not detect cw loops and thus would calculate wrong inwards moves)
);
my $has_cw_loops = my $has_outwards_move = 0;
my $cur_loop;
my %external_loops = (); # print_z => count of external loops
@ -58,6 +62,11 @@ use Slic3r::Test;
$has_cw_loops = 1 if Slic3r::Polygon->new_scale(@$cur_loop)->is_clockwise;
if ($self->F == $config->external_perimeter_speed*60) {
my $move_dest = Slic3r::Point->new_scale(@$info{qw(new_X new_Y)});
# reset counter for second object
$external_loops{$self->Z} = 0
if defined($external_loops{$self->Z}) && $external_loops{$self->Z} == 2;
$external_loops{$self->Z}++;
my $loop_contains_point = Slic3r::Polygon->new_scale(@$cur_loop)->contains_point($move_dest);
$has_outwards_move = 1