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# Bed shape dialog
package Slic3r::GUI::2DBed;
use strict;
use warnings;
use List::Util qw(min max);
use Slic3r::Geometry qw(X Y unscale deg2rad);
use Slic3r::Geometry::Clipper qw(intersection_pl);
use Wx qw(:misc :pen :brush :font :systemsettings wxTAB_TRAVERSAL wxSOLID);
use Wx::Event qw(EVT_PAINT EVT_ERASE_BACKGROUND EVT_MOUSE_EVENTS EVT_SIZE);
use base qw(Wx::Panel Class::Accessor);
__PACKAGE__->mk_accessors(qw(bed_shape interactive pos _scale_factor _shift on_move _painted));
sub new {
my ($class, $parent, $bed_shape) = @_;
my $self = $class->SUPER::new($parent, -1, wxDefaultPosition, [250,-1], wxTAB_TRAVERSAL);
$self->{user_drawn_background} = $^O ne 'darwin';
$self->bed_shape($bed_shape // []);
EVT_PAINT($self, \&_repaint);
EVT_ERASE_BACKGROUND($self, sub {}) if $self->{user_drawn_background};
EVT_MOUSE_EVENTS($self, \&_mouse_event);
EVT_SIZE($self, sub { $self->Refresh; });
return $self;
}
sub _repaint {
my ($self, $event) = @_;
my $dc = Wx::AutoBufferedPaintDC->new($self);
my ($cw, $ch) = $self->GetSizeWH;
return if $cw == 0; # when canvas is not rendered yet, size is 0,0
if ($self->{user_drawn_background}) {
# On all systems the AutoBufferedPaintDC() achieves double buffering.
# On MacOS the background is erased, on Windows the background is not erased
# and on Linux/GTK the background is erased to gray color.
# Fill DC with the background on Windows & Linux/GTK.
my $color = Wx::SystemSettings::GetSystemColour(wxSYS_COLOUR_3DLIGHT);
$dc->SetPen(Wx::Pen->new($color, 1, wxSOLID));
$dc->SetBrush(Wx::Brush->new($color, wxSOLID));
my $rect = $self->GetUpdateRegion()->GetBox();
$dc->DrawRectangle($rect->GetLeft(), $rect->GetTop(), $rect->GetWidth(), $rect->GetHeight());
}
# turn $cw and $ch from sizes to max coordinates
$cw--;
$ch--;
my $cbb = Slic3r::Geometry::BoundingBoxf->new_from_points([
Slic3r::Pointf->new(0, 0),
Slic3r::Pointf->new($cw, $ch),
]);
# leave space for origin point
$cbb->set_x_min($cbb->x_min + 4);
$cbb->set_x_max($cbb->x_max - 4);
$cbb->set_y_max($cbb->y_max - 4);
# leave space for origin label
$cbb->set_y_max($cbb->y_max - 13);
# read new size
($cw, $ch) = @{$cbb->size};
my $ccenter = $cbb->center;
# get bounding box of bed shape in G-code coordinates
my $bed_shape = $self->bed_shape;
my $bed_polygon = Slic3r::Polygon->new_scale(@$bed_shape);
my $bb = Slic3r::Geometry::BoundingBoxf->new_from_points($bed_shape);
$bb->merge_point(Slic3r::Pointf->new(0,0)); # origin needs to be in the visible area
my ($bw, $bh) = @{$bb->size};
my $bcenter = $bb->center;
# calculate the scaling factor for fitting bed shape in canvas area
my $sfactor = min($cw/$bw, $ch/$bh);
my $shift = Slic3r::Pointf->new(
$ccenter->x - $bcenter->x * $sfactor,
$ccenter->y - $bcenter->y * $sfactor, #-
);
$self->_scale_factor($sfactor);
$self->_shift(Slic3r::Pointf->new(
$shift->x + $cbb->x_min,
$shift->y - ($cbb->y_max-$self->GetSize->GetHeight), #++
));
# draw bed fill
{
$dc->SetPen(Wx::Pen->new(Wx::Colour->new(0,0,0), 1, wxSOLID));
$dc->SetBrush(Wx::Brush->new(Wx::Colour->new(255,255,255), wxSOLID));
$dc->DrawPolygon([ map $self->to_pixels($_), @$bed_shape ], 0, 0);
}
# draw grid
{
my $step = 10; # 1cm grid
my @polylines = ();
for (my $x = $bb->x_min - ($bb->x_min % $step) + $step; $x < $bb->x_max; $x += $step) {
push @polylines, Slic3r::Polyline->new_scale([$x, $bb->y_min], [$x, $bb->y_max]);
}
for (my $y = $bb->y_min - ($bb->y_min % $step) + $step; $y < $bb->y_max; $y += $step) {
push @polylines, Slic3r::Polyline->new_scale([$bb->x_min, $y], [$bb->x_max, $y]);
}
@polylines = @{intersection_pl(\@polylines, [$bed_polygon])};
$dc->SetPen(Wx::Pen->new(Wx::Colour->new(230,230,230), 1, wxSOLID));
$dc->DrawLine(map @{$self->to_pixels([map unscale($_), @$_])}, @$_[0,-1]) for @polylines;
}
# draw bed contour
{
$dc->SetPen(Wx::Pen->new(Wx::Colour->new(0,0,0), 1, wxSOLID));
$dc->SetBrush(Wx::Brush->new(Wx::Colour->new(255,255,255), wxTRANSPARENT));
$dc->DrawPolygon([ map $self->to_pixels($_), @$bed_shape ], 0, 0);
}
my $origin_px = $self->to_pixels(Slic3r::Pointf->new(0,0));
# draw axes
{
my $axes_len = 50;
my $arrow_len = 6;
my $arrow_angle = deg2rad(45);
$dc->SetPen(Wx::Pen->new(Wx::Colour->new(255,0,0), 2, wxSOLID)); # red
my $x_end = Slic3r::Pointf->new($origin_px->[X] + $axes_len, $origin_px->[Y]);
$dc->DrawLine(@$origin_px, @$x_end);
foreach my $angle (-$arrow_angle, +$arrow_angle) {
my $end = $x_end->clone;
$end->translate(-$arrow_len, 0);
$end->rotate($angle, $x_end);
$dc->DrawLine(@$x_end, @$end);
}
$dc->SetPen(Wx::Pen->new(Wx::Colour->new(0,255,0), 2, wxSOLID)); # green
my $y_end = Slic3r::Pointf->new($origin_px->[X], $origin_px->[Y] - $axes_len);
$dc->DrawLine(@$origin_px, @$y_end);
foreach my $angle (-$arrow_angle, +$arrow_angle) {
my $end = $y_end->clone;
$end->translate(0, +$arrow_len);
$end->rotate($angle, $y_end);
$dc->DrawLine(@$y_end, @$end);
}
}
# draw origin
{
$dc->SetPen(Wx::Pen->new(Wx::Colour->new(0,0,0), 1, wxSOLID));
$dc->SetBrush(Wx::Brush->new(Wx::Colour->new(0,0,0), wxSOLID));
$dc->DrawCircle(@$origin_px, 3);
$dc->SetTextForeground(Wx::Colour->new(0,0,0));
$dc->SetFont(Wx::Font->new(10, wxDEFAULT, wxNORMAL, wxNORMAL));
$dc->DrawText("(0,0)", $origin_px->[X] + 1, $origin_px->[Y] + 2);
}
# draw current position
if (defined $self->pos) {
my $pos_px = $self->to_pixels($self->pos);
$dc->SetPen(Wx::Pen->new(Wx::Colour->new(200,0,0), 2, wxSOLID));
$dc->SetBrush(Wx::Brush->new(Wx::Colour->new(200,0,0), wxTRANSPARENT));
$dc->DrawCircle(@$pos_px, 5);
$dc->DrawLine($pos_px->[X]-15, $pos_px->[Y], $pos_px->[X]+15, $pos_px->[Y]);
$dc->DrawLine($pos_px->[X], $pos_px->[Y]-15, $pos_px->[X], $pos_px->[Y]+15);
}
$self->_painted(1);
}
sub _mouse_event {
my ($self, $event) = @_;
return if !$self->interactive;
return if !$self->_painted;
my $pos = $event->GetPosition;
my $point = $self->to_units([ $pos->x, $pos->y ]); #]]
if ($event->LeftDown || $event->Dragging) {
$self->on_move->($point) if $self->on_move;
$self->Refresh;
}
}
# convert G-code coordinates into pixels
sub to_pixels {
my ($self, $point) = @_;
my $p = Slic3r::Pointf->new(@$point);
$p->scale($self->_scale_factor);
$p->translate(@{$self->_shift});
return [$p->x, $self->GetSize->GetHeight - $p->y]; #]]
}
# convert pixels into G-code coordinates
sub to_units {
my ($self, $point) = @_;
my $p = Slic3r::Pointf->new(
$point->[X],
$self->GetSize->GetHeight - $point->[Y],
);
$p->translate(@{$self->_shift->negative});
$p->scale(1/$self->_scale_factor);
return $p;
}
sub set_pos {
my ($self, $pos) = @_;
$self->pos($pos);
$self->Refresh;
}
1;
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