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Removed dependency on Math::Clipper

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This commit is contained in:
Alessandro Ranellucci 2013-08-27 01:26:44 +02:00
parent b11b595c97
commit fb763b0187
21 changed files with 82 additions and 76 deletions
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1
Build.PL
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@ -12,7 +12,6 @@ my %prereqs = qw(
File::Basename 0 File::Basename 0
File::Spec 0 File::Spec 0
Getopt::Long 0 Getopt::Long 0
Math::Clipper 1.22
Math::ConvexHull::MonotoneChain 0.01 Math::ConvexHull::MonotoneChain 0.01
Math::Geometry::Voronoi 1.3 Math::Geometry::Voronoi 1.3
Math::PlanePath 53 Math::PlanePath 53

2
lib/Slic3r/ExPolygon.pm
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@ -8,7 +8,7 @@ use Boost::Geometry::Utils;
use List::Util qw(first); use List::Util qw(first);
use Math::Geometry::Voronoi; use Math::Geometry::Voronoi;
use Slic3r::Geometry qw(X Y A B point_in_polygon same_line epsilon); use Slic3r::Geometry qw(X Y A B point_in_polygon same_line epsilon);
use Slic3r::Geometry::Clipper qw(union_ex JT_MITER); use Slic3r::Geometry::Clipper qw(union_ex);
sub wkt { sub wkt {
my $self = shift; my $self = shift;

2
lib/Slic3r/Fill/Concentric.pm
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@ -4,7 +4,7 @@ use Moo;
extends 'Slic3r::Fill::Base'; extends 'Slic3r::Fill::Base';
use Slic3r::Geometry qw(scale unscale X); use Slic3r::Geometry qw(scale unscale X);
use Slic3r::Geometry::Clipper qw(offset offset2 union_pt traverse_pt PFT_EVENODD); use Slic3r::Geometry::Clipper qw(offset offset2 union_pt traverse_pt);
sub fill_surface { sub fill_surface {
my $self = shift; my $self = shift;

2
lib/Slic3r/GCode/MotionPlanner.pm
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@ -14,7 +14,7 @@ has '_tolerance' => (is => 'lazy');
use List::Util qw(first); use List::Util qw(first);
use Slic3r::Geometry qw(A B scale epsilon); use Slic3r::Geometry qw(A B scale epsilon);
use Slic3r::Geometry::Clipper qw(diff_ex offset JT_MITER); use Slic3r::Geometry::Clipper qw(diff_ex offset);
# clearance (in mm) from the perimeters # clearance (in mm) from the perimeters
has '_inner_margin' => (is => 'ro', default => sub { scale 0.5 }); has '_inner_margin' => (is => 'ro', default => sub { scale 0.5 });

4
lib/Slic3r/GUI/Plater.pm
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@ -5,7 +5,7 @@ use utf8;
use File::Basename qw(basename dirname); use File::Basename qw(basename dirname);
use List::Util qw(max sum first); use List::Util qw(max sum first);
use Math::Clipper qw(offset JT_ROUND); use Slic3r::Geometry::Clipper qw(offset JT_ROUND);
use Math::ConvexHull::MonotoneChain qw(convex_hull); use Math::ConvexHull::MonotoneChain qw(convex_hull);
use Slic3r::Geometry qw(X Y Z MIN MAX); use Slic3r::Geometry qw(X Y Z MIN MAX);
use threads::shared qw(shared_clone); use threads::shared qw(shared_clone);
@ -681,7 +681,6 @@ sub export_gcode {
sub export_gcode2 { sub export_gcode2 {
my $self = shift; my $self = shift;
my ($print, $output_file, %params) = @_; my ($print, $output_file, %params) = @_;
$Slic3r::Geometry::Clipper::clipper = Math::Clipper->new;
local $SIG{'KILL'} = sub { local $SIG{'KILL'} = sub {
Slic3r::debugf "Exporting cancelled; exiting thread...\n"; Slic3r::debugf "Exporting cancelled; exiting thread...\n";
threads->exit(); threads->exit();
@ -822,7 +821,6 @@ sub make_thumbnail {
my $object = $self->{objects}[$obj_idx]; my $object = $self->{objects}[$obj_idx];
$object->thumbnail_scaling_factor($self->{scaling_factor}); $object->thumbnail_scaling_factor($self->{scaling_factor});
my $cb = sub { my $cb = sub {
$Slic3r::Geometry::Clipper::clipper = Math::Clipper->new if $Slic3r::have_threads;
my $thumbnail = $object->make_thumbnail; my $thumbnail = $object->make_thumbnail;
if ($Slic3r::have_threads) { if ($Slic3r::have_threads) {

9
lib/Slic3r/Geometry.pm
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@ -792,14 +792,13 @@ sub chained_path {
my %indices = map { $points[$_] => $_ } 0 .. $#points; my %indices = map { $points[$_] => $_ } 0 .. $#points;
my @result = (); my @result = ();
my $last_point; if (!$start_near && @points) {
if (!$start_near) {
$start_near = shift @points; $start_near = shift @points;
push @result, $indices{$start_near} if $start_near; push @result, $indices{$start_near};
} }
while (@points) { while (@points) {
$start_near = $start_near->nearest_point(\@points); my $idx = $start_near->nearest_point_index(\@points);
@points = grep $_ ne $start_near, @points; my ($start_near) = splice @points, $idx, 1;
push @result, $indices{$start_near}; push @result, $indices{$start_near};
} }

4
lib/Slic3r/Geometry/Clipper.pm
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@ -5,13 +5,11 @@ use warnings;
require Exporter; require Exporter;
our @ISA = qw(Exporter); our @ISA = qw(Exporter);
our @EXPORT_OK = qw(offset offset_ex our @EXPORT_OK = qw(offset offset_ex
diff_ex diff union_ex intersection_ex xor_ex PFT_EVENODD JT_MITER JT_ROUND diff_ex diff union_ex intersection_ex xor_ex JT_ROUND
JT_SQUARE is_counter_clockwise union_pt offset2 offset2_ex traverse_pt JT_SQUARE is_counter_clockwise union_pt offset2 offset2_ex traverse_pt
intersection union); intersection union);
use Math::Clipper 1.22 qw(:cliptypes :polyfilltypes :jointypes is_counter_clockwise area);
use Slic3r::Geometry qw(scale); use Slic3r::Geometry qw(scale);
our $clipper = Math::Clipper->new;
sub traverse_pt { sub traverse_pt {
my ($polynodes) = @_; my ($polynodes) = @_;

2
lib/Slic3r/Layer/Region.pm
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@ -5,7 +5,7 @@ use List::Util qw(sum first);
use Slic3r::ExtrusionPath ':roles'; use Slic3r::ExtrusionPath ':roles';
use Slic3r::Geometry qw(PI A B scale chained_path_items points_coincide); use Slic3r::Geometry qw(PI A B scale chained_path_items points_coincide);
use Slic3r::Geometry::Clipper qw(union_ex diff_ex intersection_ex use Slic3r::Geometry::Clipper qw(union_ex diff_ex intersection_ex
offset offset2 offset2_ex PFT_EVENODD union_pt traverse_pt diff intersection offset offset2 offset2_ex union_pt traverse_pt diff intersection
union diff); union diff);
use Slic3r::Surface ':types'; use Slic3r::Surface ':types';

3
lib/Slic3r/Print.pm
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@ -8,7 +8,7 @@ use Math::ConvexHull::MonotoneChain qw(convex_hull);
use Slic3r::ExtrusionPath ':roles'; use Slic3r::ExtrusionPath ':roles';
use Slic3r::Geometry qw(X Y Z X1 Y1 X2 Y2 MIN MAX PI scale unscale move_points chained_path); use Slic3r::Geometry qw(X Y Z X1 Y1 X2 Y2 MIN MAX PI scale unscale move_points chained_path);
use Slic3r::Geometry::Clipper qw(diff_ex union_ex union_pt intersection_ex offset use Slic3r::Geometry::Clipper qw(diff_ex union_ex union_pt intersection_ex offset
offset2 traverse_pt JT_ROUND JT_SQUARE PFT_EVENODD); offset2 traverse_pt JT_ROUND JT_SQUARE);
use Time::HiRes qw(gettimeofday tv_interval); use Time::HiRes qw(gettimeofday tv_interval);
has 'config' => (is => 'rw', default => sub { Slic3r::Config->new_from_defaults }, trigger => 1); has 'config' => (is => 'rw', default => sub { Slic3r::Config->new_from_defaults }, trigger => 1);
@ -403,7 +403,6 @@ sub export_gcode {
}, },
thread_cb => sub { thread_cb => sub {
my $q = shift; my $q = shift;
$Slic3r::Geometry::Clipper::clipper = Math::Clipper->new;
while (defined (my $obj_layer = $q->dequeue)) { while (defined (my $obj_layer = $q->dequeue)) {
my ($obj_idx, $layer_id, $region_id) = @$obj_layer; my ($obj_idx, $layer_id, $region_id) = @$obj_layer;
my $object = $self->objects->[$obj_idx]; my $object = $self->objects->[$obj_idx];

2
lib/Slic3r/Print/Object.pm
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@ -330,7 +330,6 @@ sub make_perimeters {
items => sub { 0 .. ($self->layer_count-1) }, items => sub { 0 .. ($self->layer_count-1) },
thread_cb => sub { thread_cb => sub {
my $q = shift; my $q = shift;
$Slic3r::Geometry::Clipper::clipper = Math::Clipper->new;
while (defined (my $layer_id = $q->dequeue)) { while (defined (my $layer_id = $q->dequeue)) {
$self->layers->[$layer_id]->make_perimeters; $self->layers->[$layer_id]->make_perimeters;
} }
@ -1235,7 +1234,6 @@ sub generate_support_material {
items => [ 0 .. $#{$self->support_layers} ], items => [ 0 .. $#{$self->support_layers} ],
thread_cb => sub { thread_cb => sub {
my $q = shift; my $q = shift;
$Slic3r::Geometry::Clipper::clipper = Math::Clipper->new;
my $result = {}; my $result = {};
while (defined (my $layer_id = $q->dequeue)) { while (defined (my $layer_id = $q->dequeue)) {
$result->{$layer_id} = $process_layer->($layer_id); $result->{$layer_id} = $process_layer->($layer_id);

45
t/clipper.t
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@ -4,8 +4,13 @@ use warnings;
plan tests => 3; plan tests => 3;
use Math::Clipper ':all'; BEGIN {
use FindBin;
use lib "$FindBin::Bin/../lib";
}
use Slic3r;
use Slic3r::Geometry::Clipper qw(intersection_ex union_ex diff_ex);
{ {
my $square = [ # ccw my $square = [ # ccw
@ -26,29 +31,22 @@ use Math::Clipper ':all';
[25, 18], [25, 18],
[5, 18], [5, 18],
]; ];
my $clipper = Math::Clipper->new; my $intersection = intersection_ex([ $square, $hole_in_square ], [ $square2 ]);
$clipper->add_subject_polygons([ $square, $hole_in_square ]);
$clipper->add_clip_polygons([ $square2 ]);
my $intersection = $clipper->ex_execute(CT_INTERSECTION, PFT_NONZERO, PFT_NONZERO);
is_deeply $intersection, [ is_deeply [ map $_->pp, @$intersection ], [[
{ [
holes => [ [20, 12],
[20, 18],
[10, 18],
[10, 12],
],
[ [
[14, 14], [14, 14],
[14, 16], [14, 16],
[16, 16], [16, 16],
[16, 14], [16, 14],
], ],
], ]], 'hole is preserved after intersection';
outer => [
[20, 12],
[20, 18],
[10, 18],
[10, 12],
],
},
], 'hole is preserved after intersection';
} }
#========================================================== #==========================================================
@ -58,18 +56,13 @@ use Math::Clipper ':all';
my $contour2 = [ [10,10], [30,10], [30,30], [10,30] ]; # ccw my $contour2 = [ [10,10], [30,10], [30,30], [10,30] ]; # ccw
my $hole = [ [15,15], [15,25], [25,25], [25,15] ]; # cw my $hole = [ [15,15], [15,25], [25,25], [25,15] ]; # cw
my $clipper = Math::Clipper->new; my $union = union_ex([ $contour1, $contour2, $hole ]);
$clipper->add_subject_polygons([ $contour1, $contour2, $hole ]);
my $union = $clipper->ex_execute(CT_UNION, PFT_NONZERO, PFT_NONZERO);
is_deeply $union, [{ holes => [], outer => [ [40,0], [40,40], [0,40], [0,0] ] }], is_deeply [ map $_->pp, @$union ], [[ [ [40,0], [40,40], [0,40], [0,0] ] ]],
'union of two ccw and one cw is a contour with no holes'; 'union of two ccw and one cw is a contour with no holes';
$clipper->clear; my $diff = diff_ex([ $contour1, $contour2 ], [ $hole ]);
$clipper->add_subject_polygons([ $contour1, $contour2 ]); is_deeply [ map $_->pp, @$diff ], [[ [ [40,0], [40,40], [0,40], [0,0] ], [ [15,15], [15,25], [25,25], [25,15] ] ]],
$clipper->add_clip_polygons([ $hole ]);
my $diff = $clipper->ex_execute(CT_DIFFERENCE, PFT_NONZERO, PFT_NONZERO);
is_deeply $diff, [{ holes => [[ [15,15], [15,25], [25,25], [25,15] ]], outer => [ [40,0], [40,40], [0,40], [0,0] ] }],
'difference of a cw from two ccw is a contour with one hole'; 'difference of a cw from two ccw is a contour with one hole';
} }

26
t/collinear.t
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@ -16,9 +16,9 @@ use Slic3r::Geometry qw(collinear);
{ {
my @lines = ( my @lines = (
[ [0,4], [4,2] ], Slic3r::Line->new([0,4], [4,2]),
[ [2,3], [8,0] ], Slic3r::Line->new([2,3], [8,0]),
[ [6,1], [8,0] ], Slic3r::Line->new([6,1], [8,0]),
); );
is collinear($lines[0], $lines[1]), 1, 'collinear'; is collinear($lines[0], $lines[1]), 1, 'collinear';
is collinear($lines[1], $lines[2]), 1, 'collinear'; is collinear($lines[1], $lines[2]), 1, 'collinear';
@ -30,8 +30,8 @@ use Slic3r::Geometry qw(collinear);
{ {
# horizontal # horizontal
my @lines = ( my @lines = (
[ [0,1], [5,1] ], Slic3r::Line->new([0,1], [5,1]),
[ [2,1], [8,1] ], Slic3r::Line->new([2,1], [8,1]),
); );
is collinear($lines[0], $lines[1]), 1, 'collinear'; is collinear($lines[0], $lines[1]), 1, 'collinear';
} }
@ -41,8 +41,8 @@ use Slic3r::Geometry qw(collinear);
{ {
# vertical # vertical
my @lines = ( my @lines = (
[ [1,0], [1,5] ], Slic3r::Line->new([1,0], [1,5]),
[ [1,2], [1,8] ], Slic3r::Line->new([1,2], [1,8]),
); );
is collinear($lines[0], $lines[1]), 1, 'collinear'; is collinear($lines[0], $lines[1]), 1, 'collinear';
} }
@ -52,8 +52,8 @@ use Slic3r::Geometry qw(collinear);
{ {
# non overlapping # non overlapping
my @lines = ( my @lines = (
[ [0,1], [5,1] ], Slic3r::Line->new([0,1], [5,1]),
[ [7,1], [10,1] ], Slic3r::Line->new([7,1], [10,1]),
); );
is collinear($lines[0], $lines[1], 1), 0, 'non overlapping'; is collinear($lines[0], $lines[1], 1), 0, 'non overlapping';
is collinear($lines[0], $lines[1], 0), 1, 'overlapping'; is collinear($lines[0], $lines[1], 0), 1, 'overlapping';
@ -64,8 +64,8 @@ use Slic3r::Geometry qw(collinear);
{ {
# with one common point # with one common point
my @lines = ( my @lines = (
[ [0,4], [4,2] ], Slic3r::Line->new([0,4], [4,2]),
[ [4,2], [8,0] ], Slic3r::Line->new([4,2], [8,0]),
); );
is collinear($lines[0], $lines[1], 1), 1, 'one common point'; is collinear($lines[0], $lines[1], 1), 1, 'one common point';
is collinear($lines[0], $lines[1], 0), 1, 'one common point'; is collinear($lines[0], $lines[1], 0), 1, 'one common point';
@ -76,8 +76,8 @@ use Slic3r::Geometry qw(collinear);
{ {
# not collinear # not collinear
my @lines = ( my @lines = (
[ [290000000,690525600], [285163380,684761540] ], Slic3r::Line->new([290000000,690525600], [285163380,684761540]),
[ [285163380,684761540], [193267599,575244400] ], Slic3r::Line->new([285163380,684761540], [193267599,575244400]),
); );
is collinear($lines[0], $lines[1], 0), 0, 'not collinear'; is collinear($lines[0], $lines[1], 0), 0, 'not collinear';
is collinear($lines[0], $lines[1], 1), 0, 'not collinear'; is collinear($lines[0], $lines[1], 1), 0, 'not collinear';

2
t/fill.t
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@ -22,7 +22,7 @@ sub scale_points (@) { map [scale $_->[X], scale $_->[Y]], @_ }
$print->init_extruders; $print->init_extruders;
my $filler = Slic3r::Fill::Rectilinear->new( my $filler = Slic3r::Fill::Rectilinear->new(
print => $print, print => $print,
bounding_box => Slic3r::Geometry::BoundingBox->new_from_points([ [0, 0], [10, 10] ]), bounding_box => Slic3r::Geometry::BoundingBox->new_from_points([ Slic3r::Point->new(0, 0), Slic3r::Point->new(10, 10) ]),
); );
my $surface_width = 250; my $surface_width = 250;
my $distance = $filler->adjust_solid_spacing( my $distance = $filler->adjust_solid_spacing(

2
t/geometry.t
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@ -177,7 +177,7 @@ is Slic3r::Geometry::can_connect_points(@$points, $polygons), 0, 'can_connect_po
#========================================================== #==========================================================
{ {
my $bb = Slic3r::Geometry::BoundingBox->new_from_points([ [0, 1], [10, 2], [20, 2] ]); my $bb = Slic3r::Geometry::BoundingBox->new_from_points([ map Slic3r::Point->new(@$_), [0, 1], [10, 2], [20, 2] ]);
$bb->scale(2); $bb->scale(2);
is_deeply $bb->extents, [ [0,40], [2,4] ], 'bounding box is scaled correctly'; is_deeply $bb->extents, [ [0,40], [2,4] ], 'bounding box is scaled correctly';
} }

4
t/perimeters.t
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@ -33,7 +33,7 @@ use Slic3r::Test;
push @$cur_loop, [ @$info{qw(new_X new_Y)} ]; push @$cur_loop, [ @$info{qw(new_X new_Y)} ];
} else { } else {
if ($cur_loop) { if ($cur_loop) {
$has_cw_loops = 1 if !Slic3r::Geometry::Clipper::is_counter_clockwise($cur_loop); $has_cw_loops = 1 if Slic3r::Polygon->new(@$cur_loop)->is_clockwise;
$cur_loop = undef; $cur_loop = undef;
} }
} }
@ -55,7 +55,7 @@ use Slic3r::Test;
push @$cur_loop, [ @$info{qw(new_X new_Y)} ]; push @$cur_loop, [ @$info{qw(new_X new_Y)} ];
} else { } else {
if ($cur_loop) { if ($cur_loop) {
$has_cw_loops = 1 if !Slic3r::Geometry::Clipper::is_counter_clockwise($cur_loop); $has_cw_loops = 1 if Slic3r::Polygon->new(@$cur_loop)->is_clockwise;
if ($self->F == $config->external_perimeter_speed*60) { if ($self->F == $config->external_perimeter_speed*60) {
my $move_dest = Slic3r::Point->new_scale(@$info{qw(new_X new_Y)}); my $move_dest = Slic3r::Point->new_scale(@$info{qw(new_X new_Y)});
$external_loops{$self->Z}++; $external_loops{$self->Z}++;

13
t/polyclip.t
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@ -9,7 +9,6 @@ BEGIN {
use lib "$FindBin::Bin/../lib"; use lib "$FindBin::Bin/../lib";
} }
use Math::Clipper qw(is_counter_clockwise);
use Slic3r; use Slic3r;
#========================================================== #==========================================================
@ -115,7 +114,7 @@ is_deeply $intersection, [ [120, 120], [180, 160] ], 'internal lines are preserv
#========================================================== #==========================================================
{ {
my $large_circle = [ # ccw my $large_circle = Slic3r::Polygon->new( # ccw
[151.8639,288.1192], [133.2778,284.6011], [115.0091,279.6997], [98.2859,270.8606], [82.2734,260.7933], [151.8639,288.1192], [133.2778,284.6011], [115.0091,279.6997], [98.2859,270.8606], [82.2734,260.7933],
[68.8974,247.4181], [56.5622,233.0777], [47.7228,216.3558], [40.1617,199.0172], [36.6431,180.4328], [68.8974,247.4181], [56.5622,233.0777], [47.7228,216.3558], [40.1617,199.0172], [36.6431,180.4328],
[34.932,165.2312], [37.5567,165.1101], [41.0547,142.9903], [36.9056,141.4295], [40.199,124.1277], [34.932,165.2312], [37.5567,165.1101], [41.0547,142.9903], [36.9056,141.4295], [40.199,124.1277],
@ -125,10 +124,10 @@ is_deeply $intersection, [ [120, 120], [180, 160] ], 'internal lines are preserv
[275.6832,106.6636], [281.9225,124.52], [286.8064,142.795], [287.5061,161.696], [286.7874,180.5972], [275.6832,106.6636], [281.9225,124.52], [286.8064,142.795], [287.5061,161.696], [286.7874,180.5972],
[281.8856,198.8664], [275.6283,216.7169], [265.5604,232.7294], [254.3211,247.942], [239.9802,260.2776], [281.8856,198.8664], [275.6283,216.7169], [265.5604,232.7294], [254.3211,247.942], [239.9802,260.2776],
[224.757,271.5022], [207.4179,279.0635], [189.5605,285.3035], [170.7649,287.4188], [224.757,271.5022], [207.4179,279.0635], [189.5605,285.3035], [170.7649,287.4188],
]; );
is is_counter_clockwise($large_circle), 1, "contour is counter-clockwise"; ok $large_circle->is_counter_clockwise, "contour is counter-clockwise";
my $small_circle = [ # cw my $small_circle = Slic3r::Polygon->new( # cw
[158.227,215.9007], [164.5136,215.9007], [175.15,214.5007], [184.5576,210.6044], [190.2268,207.8743], [158.227,215.9007], [164.5136,215.9007], [175.15,214.5007], [184.5576,210.6044], [190.2268,207.8743],
[199.1462,201.0306], [209.0146,188.346], [213.5135,177.4829], [214.6979,168.4866], [216.1025,162.3325], [199.1462,201.0306], [209.0146,188.346], [213.5135,177.4829], [214.6979,168.4866], [216.1025,162.3325],
[214.6463,151.2703], [213.2471,145.1399], [209.0146,134.9203], [199.1462,122.2357], [189.8944,115.1366], [214.6463,151.2703], [213.2471,145.1399], [209.0146,134.9203], [199.1462,122.2357], [189.8944,115.1366],
@ -136,8 +135,8 @@ is_deeply $intersection, [ [120, 120], [180, 160] ], 'internal lines are preserv
[138.183,112.6616], [132.5135,115.3919], [123.5943,122.2357], [113.7259,134.92], [109.2269,145.7834], [138.183,112.6616], [132.5135,115.3919], [123.5943,122.2357], [113.7259,134.92], [109.2269,145.7834],
[108.0426,154.7799], [106.638,160.9339], [108.0941,171.9957], [109.4933,178.1264], [113.7259,188.3463], [108.0426,154.7799], [106.638,160.9339], [108.0941,171.9957], [109.4933,178.1264], [113.7259,188.3463],
[123.5943,201.0306], [132.8461,208.1296], [141.4901,211.7094], [147.172,214.4458], [123.5943,201.0306], [132.8461,208.1296], [141.4901,211.7094], [147.172,214.4458],
]; );
is is_counter_clockwise($small_circle), 0, "hole is clockwise"; ok $small_circle->is_clockwise, "hole is clockwise";
my $expolygon = Slic3r::ExPolygon->new($large_circle, $small_circle); my $expolygon = Slic3r::ExPolygon->new($large_circle, $small_circle);
$line = Slic3r::Line->new([152.742,288.086671142818], [152.742,34.166466971035]); $line = Slic3r::Line->new([152.742,288.086671142818], [152.742,34.166466971035]);

5
xs/src/ClipperUtils.hpp
View File

@ -6,6 +6,11 @@
#include "ExPolygon.hpp" #include "ExPolygon.hpp"
#include "Polygon.hpp" #include "Polygon.hpp"
// import these wherever we're included
using ClipperLib::jtMiter;
using ClipperLib::jtRound;
using ClipperLib::jtSquare;
namespace Slic3r { namespace Slic3r {
#define CLIPPER_OFFSET_SCALE 100000.0 #define CLIPPER_OFFSET_SCALE 100000.0

6
xs/src/Polygon.cpp
View File

@ -72,6 +72,12 @@ Polygon::is_counter_clockwise() const
return orientation; return orientation;
} }
bool
Polygon::is_clockwise() const
{
return !this->is_counter_clockwise();
}
bool bool
Polygon::make_counter_clockwise() Polygon::make_counter_clockwise()
{ {

1
xs/src/Polygon.hpp
View File

@ -18,6 +18,7 @@ class Polygon : public MultiPoint {
Polyline* split_at_first_point(); Polyline* split_at_first_point();
double area() const; double area() const;
bool is_counter_clockwise() const; bool is_counter_clockwise() const;
bool is_clockwise() const;
bool make_counter_clockwise(); bool make_counter_clockwise();
bool make_clockwise(); bool make_clockwise();
bool is_valid() const; bool is_valid() const;

10
xs/xsp/Clipper.xsp
View File

@ -10,6 +10,16 @@
%{ %{
IV
_constant()
ALIAS:
JT_MITER = jtMiter
JT_ROUND = jtRound
JT_SQUARE = jtSquare
CODE:
RETVAL = ix;
OUTPUT: RETVAL
Polygons Polygons
offset(polygons, delta, scale = CLIPPER_OFFSET_SCALE, joinType = ClipperLib::jtMiter, miterLimit = 3) offset(polygons, delta, scale = CLIPPER_OFFSET_SCALE, joinType = ClipperLib::jtMiter, miterLimit = 3)
Polygons polygons Polygons polygons

1
xs/xsp/Polygon.xsp
View File

@ -25,6 +25,7 @@
%code{% const char* CLASS = "Slic3r::Polyline"; RETVAL = THIS->split_at_first_point(); %}; %code{% const char* CLASS = "Slic3r::Polyline"; RETVAL = THIS->split_at_first_point(); %};
double area(); double area();
bool is_counter_clockwise(); bool is_counter_clockwise();
bool is_clockwise();
bool make_counter_clockwise(); bool make_counter_clockwise();
bool make_clockwise(); bool make_clockwise();
bool is_valid(); bool is_valid();