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Ported Polygon->is_valid() and ExPolygon->is_valid()

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This commit is contained in:
Alessandro Ranellucci 2013-08-26 23:27:51 +02:00
parent da0b85c0d9
commit fe42427a54
13 changed files with 37 additions and 54 deletions
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19
lib/Slic3r/Geometry.pm
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@ -692,17 +692,18 @@ sub _line_intersection2 {
# 2D
sub bounding_box {
my ($points) = @_;
my @x = (undef, undef);
my @y = (undef, undef);
for (@$points) {
$x[MIN] = $_->[X] if !defined $x[MIN] || $_->[X] < $x[MIN];
$x[MAX] = $_->[X] if !defined $x[MAX] || $_->[X] > $x[MAX];
$y[MIN] = $_->[Y] if !defined $y[MIN] || $_->[Y] < $y[MIN];
$y[MAX] = $_->[Y] if !defined $y[MAX] || $_->[Y] > $y[MAX];
use XXX; ZZZ "not" if ref($points->[0]) eq 'ARRAY';
my @x = map $_->x, @$points;
my @y = map $_->y, @$points; #,,
my @bb = (undef, undef, undef, undef);
for (0..$#x) {
$bb[X1] = $x[$_] if !defined $bb[X1] || $x[$_] < $bb[X1];
$bb[X2] = $x[$_] if !defined $bb[X2] || $x[$_] > $bb[X2];
$bb[Y1] = $y[$_] if !defined $bb[Y1] || $y[$_] < $bb[Y1];
$bb[Y2] = $y[$_] if !defined $bb[Y2] || $y[$_] > $bb[Y2];
}
return ($x[0], $y[0], $x[-1], $y[-1]);
return @bb[X1,Y1,X2,Y2];
}
sub bounding_box_center {