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PrusaSlicer-NonPlainar/lib/Slic3r/GUI/Plater.pm
Alessandro Ranellucci b38cc2c244 Merge branch 'master' into xsdata 
Conflicts:
	lib/Slic3r.pm
	lib/Slic3r/ExPolygon.pm
	lib/Slic3r/Fill.pm
	lib/Slic3r/Fill/Rectilinear.pm
	lib/Slic3r/GCode.pm
	lib/Slic3r/GUI/Plater.pm
	lib/Slic3r/Geometry/Clipper.pm
	lib/Slic3r/Layer/Region.pm
	lib/Slic3r/Print.pm
	lib/Slic3r/Print/Object.pm
	lib/Slic3r/TriangleMesh.pm
	t/shells.t
	xs/MANIFEST
2013-08-08 02:10:34 +02:00

1233 lines
47 KiB
Perl
Raw Blame History

package Slic3r::GUI::Plater;
use strict;
use warnings;
use utf8;
use File::Basename qw(basename dirname);
use List::Util qw(max sum first);
use Math::Clipper qw(offset JT_ROUND);
use Math::ConvexHull::MonotoneChain qw(convex_hull);
use Slic3r::Geometry qw(X Y Z MIN MAX);
use threads::shared qw(shared_clone);
use Wx qw(:bitmap :brush :button :cursor :dialog :filedialog :font :keycode :icon :id :listctrl :misc :panel :pen :sizer :toolbar :window);
use Wx::Event qw(EVT_BUTTON EVT_COMMAND EVT_KEY_DOWN EVT_LIST_ITEM_ACTIVATED EVT_LIST_ITEM_DESELECTED EVT_LIST_ITEM_SELECTED EVT_MOUSE_EVENTS EVT_PAINT EVT_TOOL EVT_CHOICE);
use base 'Wx::Panel';
use constant TB_MORE => &Wx::NewId;
use constant TB_LESS => &Wx::NewId;
use constant TB_45CW => &Wx::NewId;
use constant TB_45CCW => &Wx::NewId;
use constant TB_ROTATE => &Wx::NewId;
use constant TB_SCALE => &Wx::NewId;
use constant TB_SPLIT => &Wx::NewId;
my $THUMBNAIL_DONE_EVENT : shared = Wx::NewEventType;
my $PROGRESS_BAR_EVENT : shared = Wx::NewEventType;
my $MESSAGE_DIALOG_EVENT : shared = Wx::NewEventType;
my $EXPORT_COMPLETED_EVENT : shared = Wx::NewEventType;
my $EXPORT_FAILED_EVENT : shared = Wx::NewEventType;
use constant CANVAS_SIZE => [300,300];
use constant CANVAS_TEXT => join('-', +(localtime)[3,4]) eq '13-8'
? 'What do you want to print today? ™' # Sept. 13, 2006. The first part ever printed by a RepRap to make another RepRap.
: 'Drag your objects here';
use constant FILAMENT_CHOOSERS_SPACING => 3;
sub new {
my $class = shift;
my ($parent) = @_;
my $self = $class->SUPER::new($parent, -1, wxDefaultPosition, wxDefaultSize, wxTAB_TRAVERSAL);
$self->{config} = Slic3r::Config->new_from_defaults(qw(
bed_size print_center complete_objects extruder_clearance_radius skirts skirt_distance
));
$self->{objects} = [];
$self->{selected_objects} = [];
$self->{canvas} = Wx::Panel->new($self, -1, wxDefaultPosition, CANVAS_SIZE, wxTAB_TRAVERSAL);
$self->{canvas}->SetBackgroundColour(Wx::wxWHITE);
EVT_PAINT($self->{canvas}, \&repaint);
EVT_MOUSE_EVENTS($self->{canvas}, \&mouse_event);
$self->{objects_brush} = Wx::Brush->new(Wx::Colour->new(210,210,210), wxSOLID);
$self->{selected_brush} = Wx::Brush->new(Wx::Colour->new(255,128,128), wxSOLID);
$self->{dragged_brush} = Wx::Brush->new(Wx::Colour->new(128,128,255), wxSOLID);
$self->{transparent_brush} = Wx::Brush->new(Wx::Colour->new(0,0,0), wxTRANSPARENT);
$self->{grid_pen} = Wx::Pen->new(Wx::Colour->new(230,230,230), 1, wxSOLID);
$self->{print_center_pen} = Wx::Pen->new(Wx::Colour->new(200,200,200), 1, wxSOLID);
$self->{clearance_pen} = Wx::Pen->new(Wx::Colour->new(0,0,200), 1, wxSOLID);
$self->{skirt_pen} = Wx::Pen->new(Wx::Colour->new(150,150,150), 1, wxSOLID);
# toolbar for object manipulation
if (!&Wx::wxMSW) {
Wx::ToolTip::Enable(1);
$self->{htoolbar} = Wx::ToolBar->new($self, -1, wxDefaultPosition, wxDefaultSize, wxTB_HORIZONTAL | wxTB_TEXT | wxBORDER_SIMPLE | wxTAB_TRAVERSAL);
$self->{htoolbar}->AddTool(TB_MORE, "More", Wx::Bitmap->new("$Slic3r::var/add.png", wxBITMAP_TYPE_PNG), '');
$self->{htoolbar}->AddTool(TB_LESS, "Fewer", Wx::Bitmap->new("$Slic3r::var/delete.png", wxBITMAP_TYPE_PNG), '');
$self->{htoolbar}->AddSeparator;
$self->{htoolbar}->AddTool(TB_45CCW, "45° ccw", Wx::Bitmap->new("$Slic3r::var/arrow_rotate_anticlockwise.png", wxBITMAP_TYPE_PNG), '');
$self->{htoolbar}->AddTool(TB_45CW, "45° cw", Wx::Bitmap->new("$Slic3r::var/arrow_rotate_clockwise.png", wxBITMAP_TYPE_PNG), '');
$self->{htoolbar}->AddTool(TB_ROTATE, "Rotate…", Wx::Bitmap->new("$Slic3r::var/arrow_rotate_clockwise.png", wxBITMAP_TYPE_PNG), '');
$self->{htoolbar}->AddSeparator;
$self->{htoolbar}->AddTool(TB_SCALE, "Scale…", Wx::Bitmap->new("$Slic3r::var/arrow_out.png", wxBITMAP_TYPE_PNG), '');
$self->{htoolbar}->AddSeparator;
$self->{htoolbar}->AddTool(TB_SPLIT, "Split", Wx::Bitmap->new("$Slic3r::var/shape_ungroup.png", wxBITMAP_TYPE_PNG), '');
} else {
my %tbar_buttons = (increase => "More", decrease => "Less", rotate45ccw => "45°", rotate45cw => "45°",
rotate => "Rotate…", changescale => "Scale…", split => "Split");
$self->{btoolbar} = Wx::BoxSizer->new(wxHORIZONTAL);
for (qw(increase decrease rotate45ccw rotate45cw rotate changescale split)) {
$self->{"btn_$_"} = Wx::Button->new($self, -1, $tbar_buttons{$_}, wxDefaultPosition, wxDefaultSize, wxBU_EXACTFIT);
$self->{btoolbar}->Add($self->{"btn_$_"});
}
}
$self->{list} = Wx::ListView->new($self, -1, wxDefaultPosition, [-1, 180], wxLC_SINGLE_SEL | wxLC_REPORT | wxBORDER_SUNKEN | wxTAB_TRAVERSAL | wxWANTS_CHARS);
$self->{list}->InsertColumn(0, "Name", wxLIST_FORMAT_LEFT, 300);
$self->{list}->InsertColumn(1, "Copies", wxLIST_FORMAT_CENTER, 50);
$self->{list}->InsertColumn(2, "Scale", wxLIST_FORMAT_CENTER, wxLIST_AUTOSIZE_USEHEADER);
EVT_LIST_ITEM_SELECTED($self, $self->{list}, \&list_item_selected);
EVT_LIST_ITEM_DESELECTED($self, $self->{list}, \&list_item_deselected);
EVT_LIST_ITEM_ACTIVATED($self, $self->{list}, \&list_item_activated);
EVT_KEY_DOWN($self->{list}, sub {
my ($list, $event) = @_;
if ($event->GetKeyCode == WXK_TAB) {
$list->Navigate($event->ShiftDown ? &Wx::wxNavigateBackward : &Wx::wxNavigateForward);
} else {
$event->Skip;
}
});
# general buttons
$self->{btn_load} = Wx::Button->new($self, -1, "Add…", wxDefaultPosition, wxDefaultSize, wxBU_LEFT);
$self->{btn_remove} = Wx::Button->new($self, -1, "Delete", wxDefaultPosition, wxDefaultSize, wxBU_LEFT);
$self->{btn_reset} = Wx::Button->new($self, -1, "Delete All", wxDefaultPosition, wxDefaultSize, wxBU_LEFT);
$self->{btn_arrange} = Wx::Button->new($self, -1, "Autoarrange", wxDefaultPosition, wxDefaultSize, wxBU_LEFT);
$self->{btn_export_gcode} = Wx::Button->new($self, -1, "Export G-code…", wxDefaultPosition, wxDefaultSize, wxBU_LEFT);
$self->{btn_export_stl} = Wx::Button->new($self, -1, "Export STL…", wxDefaultPosition, wxDefaultSize, wxBU_LEFT);
if (&Wx::wxVERSION_STRING =~ / 2\.9\.[1-9]/) {
my %icons = qw(
load brick_add.png
remove brick_delete.png
reset cross.png
arrange bricks.png
export_gcode cog_go.png
export_stl brick_go.png
increase add.png
decrease delete.png
rotate45cw arrow_rotate_clockwise.png
rotate45ccw arrow_rotate_anticlockwise.png
rotate arrow_rotate_clockwise.png
changescale arrow_out.png
split shape_ungroup.png
);
for (grep $self->{"btn_$_"}, keys %icons) {
$self->{"btn_$_"}->SetBitmap(Wx::Bitmap->new("$Slic3r::var/$icons{$_}", wxBITMAP_TYPE_PNG));
}
}
$self->selection_changed(0);
$self->object_list_changed;
EVT_BUTTON($self, $self->{btn_load}, \&load);
EVT_BUTTON($self, $self->{btn_remove}, sub { $self->remove() }); # explicitly pass no argument to remove
EVT_BUTTON($self, $self->{btn_reset}, \&reset);
EVT_BUTTON($self, $self->{btn_arrange}, \&arrange);
EVT_BUTTON($self, $self->{btn_export_gcode}, \&export_gcode);
EVT_BUTTON($self, $self->{btn_export_stl}, \&export_stl);
if ($self->{htoolbar}) {
EVT_TOOL($self, TB_MORE, \&increase);
EVT_TOOL($self, TB_LESS, \&decrease);
EVT_TOOL($self, TB_45CW, sub { $_[0]->rotate(-45) });
EVT_TOOL($self, TB_45CCW, sub { $_[0]->rotate(45) });
EVT_TOOL($self, TB_ROTATE, sub { $_[0]->rotate(undef) });
EVT_TOOL($self, TB_SCALE, \&changescale);
EVT_TOOL($self, TB_SPLIT, \&split_object);
} else {
EVT_BUTTON($self, $self->{btn_increase}, \&increase);
EVT_BUTTON($self, $self->{btn_decrease}, \&decrease);
EVT_BUTTON($self, $self->{btn_rotate45cw}, sub { $_[0]->rotate(-45) });
EVT_BUTTON($self, $self->{btn_rotate45ccw}, sub { $_[0]->rotate(45) });
EVT_BUTTON($self, $self->{btn_changescale}, \&changescale);
EVT_BUTTON($self, $self->{btn_rotate}, sub { $_[0]->rotate(undef) });
EVT_BUTTON($self, $self->{btn_split}, \&split_object);
}
$_->SetDropTarget(Slic3r::GUI::Plater::DropTarget->new($self))
for $self, $self->{canvas}, $self->{list};
EVT_COMMAND($self, -1, $THUMBNAIL_DONE_EVENT, sub {
my ($self, $event) = @_;
my ($obj_idx, $thumbnail) = @{$event->GetData};
return if !$self->{objects}[$obj_idx]; # object was deleted before thumbnail generation completed
$self->{objects}[$obj_idx]->thumbnail($thumbnail->clone);
$self->on_thumbnail_made($obj_idx);
});
EVT_COMMAND($self, -1, $PROGRESS_BAR_EVENT, sub {
my ($self, $event) = @_;
my ($percent, $message) = @{$event->GetData};
$self->statusbar->SetProgress($percent);
$self->statusbar->SetStatusText("$message…");
});
EVT_COMMAND($self, -1, $MESSAGE_DIALOG_EVENT, sub {
my ($self, $event) = @_;
Wx::MessageDialog->new($self, @{$event->GetData})->ShowModal;
});
EVT_COMMAND($self, -1, $EXPORT_COMPLETED_EVENT, sub {
my ($self, $event) = @_;
$self->on_export_completed(@{$event->GetData});
});
EVT_COMMAND($self, -1, $EXPORT_FAILED_EVENT, sub {
my ($self, $event) = @_;
$self->on_export_failed;
});
$self->_update_bed_size;
$self->recenter;
{
my $buttons = Wx::GridSizer->new(2, 3, 5, 5);
$buttons->Add($self->{"btn_load"}, 0, wxEXPAND | wxALL);
$buttons->Add($self->{"btn_arrange"}, 0, wxEXPAND | wxALL);
$buttons->Add($self->{"btn_export_gcode"}, 0, wxEXPAND | wxALL);
$buttons->Add($self->{"btn_remove"}, 0, wxEXPAND | wxALL);
$buttons->Add($self->{"btn_reset"}, 0, wxEXPAND | wxALL);
$buttons->Add($self->{"btn_export_stl"}, 0, wxEXPAND | wxALL);
# force sane tab order
my @taborder = qw/btn_load btn_arrange btn_export_gcode btn_remove btn_reset btn_export_stl/;
$self->{$taborder[$_]}->MoveAfterInTabOrder($self->{$taborder[$_-1]}) for (1..$#taborder);
my $vertical_sizer = Wx::BoxSizer->new(wxVERTICAL);
$vertical_sizer->Add($self->{htoolbar}, 0, wxEXPAND, 0) if $self->{htoolbar};
$vertical_sizer->Add($self->{btoolbar}, 0, wxEXPAND, 0) if $self->{btoolbar};
$vertical_sizer->Add($self->{list}, 1, wxEXPAND | wxBOTTOM, 10);
$vertical_sizer->Add($buttons, 0, wxEXPAND);
my $hsizer = Wx::BoxSizer->new(wxHORIZONTAL);
$hsizer->Add($self->{canvas}, 0, wxALL, 10);
$hsizer->Add($vertical_sizer, 1, wxEXPAND | wxALL, 10);
my $sizer = Wx::BoxSizer->new(wxVERTICAL);
$sizer->Add($hsizer, 1, wxEXPAND | wxBOTTOM, 10);
if ($self->skeinpanel->{mode} eq 'expert') {
my $presets = Wx::BoxSizer->new(wxHORIZONTAL);
$presets->AddStretchSpacer(1);
my %group_labels = (
print => 'Print settings',
filament => 'Filament',
printer => 'Printer',
);
$self->{preset_choosers} = {};
$self->{preset_choosers_sizers} = {};
for my $group (qw(print filament printer)) {
my $text = Wx::StaticText->new($self, -1, "$group_labels{$group}:", wxDefaultPosition, wxDefaultSize, wxALIGN_RIGHT);
my $choice = Wx::Choice->new($self, -1, wxDefaultPosition, [150, -1], []);
$self->{preset_choosers}{$group} = [$choice];
EVT_CHOICE($choice, $choice, sub { $self->on_select_preset($group, @_) });
$self->{preset_choosers_sizers}{$group} = Wx::BoxSizer->new(wxVERTICAL);
$self->{preset_choosers_sizers}{$group}->Add($choice, 0, wxEXPAND | wxBOTTOM, FILAMENT_CHOOSERS_SPACING);
$presets->Add($text, 0, wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL | wxRIGHT, 4);
$presets->Add($self->{preset_choosers_sizers}{$group}, 0, wxALIGN_CENTER_VERTICAL | wxRIGHT, 15);
}
$presets->AddStretchSpacer(1);
$sizer->Add($presets, 0, wxEXPAND | wxLEFT | wxRIGHT | wxBOTTOM, 10);
}
$sizer->SetSizeHints($self);
$self->SetSizer($sizer);
}
return $self;
}
sub on_select_preset {
my $self = shift;
my ($group, $choice) = @_;
if ($group eq 'filament' && @{$self->{preset_choosers}{filament}} > 1) {
my @filament_presets = $self->filament_presets;
$Slic3r::GUI::Settings->{presets}{filament} = $choice->GetString($filament_presets[0]) . ".ini";
$Slic3r::GUI::Settings->{presets}{"filament_${_}"} = $choice->GetString($filament_presets[$_])
for 1 .. $#filament_presets;
Slic3r::GUI->save_settings;
return;
}
$self->skeinpanel->{options_tabs}{$group}->select_preset($choice->GetSelection);
}
sub skeinpanel {
my $self = shift;
return $self->GetParent->GetParent;
}
sub update_presets {
my $self = shift;
my ($group, $items, $selected) = @_;
foreach my $choice (@{ $self->{preset_choosers}{$group} }) {
my $sel = $choice->GetSelection;
$choice->Clear;
$choice->Append($_) for @$items;
$choice->SetSelection($sel) if $sel <= $#$items;
}
$self->{preset_choosers}{$group}[0]->SetSelection($selected);
}
sub filament_presets {
my $self = shift;
return map $_->GetSelection, @{ $self->{preset_choosers}{filament} };
}
sub load {
my $self = shift;
my $dir = $Slic3r::GUI::Settings->{recent}{skein_directory} || $Slic3r::GUI::Settings->{recent}{config_directory} || '';
my $dialog = Wx::FileDialog->new($self, 'Choose one or more files (STL/OBJ/AMF):', $dir, "", &Slic3r::GUI::SkeinPanel::MODEL_WILDCARD, wxFD_OPEN | wxFD_MULTIPLE | wxFD_FILE_MUST_EXIST);
if ($dialog->ShowModal != wxID_OK) {
$dialog->Destroy;
return;
}
my @input_files = $dialog->GetPaths;
$dialog->Destroy;
$self->load_file($_) for @input_files;
}
sub load_file {
my $self = shift;
my ($input_file) = @_;
$Slic3r::GUI::Settings->{recent}{skein_directory} = dirname($input_file);
Slic3r::GUI->save_settings;
my $process_dialog = Wx::ProgressDialog->new('Loading…', "Processing input file…", 100, $self, 0);
$process_dialog->Pulse;
local $SIG{__WARN__} = Slic3r::GUI::warning_catcher($self);
my $model = Slic3r::Model->read_from_file($input_file);
for my $i (0 .. $#{$model->objects}) {
my $object = Slic3r::GUI::Plater::Object->new(
name => basename($input_file),
input_file => $input_file,
input_file_object_id => $i,
model_object => $model->objects->[$i],
mesh_stats => $model->objects->[$i]->mesh_stats, # so that we can free model_object
instances => [
$model->objects->[$i]->instances
? (map $_->offset, @{$model->objects->[$i]->instances})
: [0,0],
],
);
$object->check_manifoldness;
# we only consider the rotation of the first instance for now
$object->rotate($model->objects->[$i]->instances->[0]->rotation)
if $model->objects->[$i]->instances;
push @{ $self->{objects} }, $object;
$self->object_loaded($#{ $self->{objects} }, no_arrange => (@{$object->instances} > 1));
}
$process_dialog->Destroy;
$self->statusbar->SetStatusText("Loaded $input_file");
}
sub object_loaded {
my $self = shift;
my ($obj_idx, %params) = @_;
my $object = $self->{objects}[$obj_idx];
$self->{list}->InsertStringItem($obj_idx, $object->name);
$self->{list}->SetItem($obj_idx, 1, $object->instances_count);
$self->{list}->SetItem($obj_idx, 2, ($object->scale * 100) . "%");
$self->make_thumbnail($obj_idx);
$self->arrange unless $params{no_arrange};
$self->{list}->Update;
$self->{list}->Select($obj_idx, 1);
$self->object_list_changed;
}
sub remove {
my $self = shift;
my ($obj_idx) = @_;
# if no object index is supplied, remove the selected one
if (!defined $obj_idx) {
($obj_idx, undef) = $self->selected_object;
}
splice @{$self->{objects}}, $obj_idx, 1;
$self->{list}->DeleteItem($obj_idx);
$self->{selected_objects} = [];
$self->selection_changed(0);
$self->object_list_changed;
$self->recenter;
$self->{canvas}->Refresh;
}
sub reset {
my $self = shift;
@{$self->{objects}} = ();
$self->{list}->DeleteAllItems;
$self->{selected_objects} = [];
$self->selection_changed(0);
$self->object_list_changed;
$self->{canvas}->Refresh;
}
sub increase {
my $self = shift;
my ($obj_idx, $object) = $self->selected_object;
my $instances = $object->instances;
push @$instances, [ $instances->[-1]->[X] + 10, $instances->[-1]->[Y] + 10 ];
$self->{list}->SetItem($obj_idx, 1, $object->instances_count);
$self->arrange;
}
sub decrease {
my $self = shift;
my ($obj_idx, $object) = $self->selected_object;
if ($object->instances_count >= 2) {
pop @{$object->instances};
$self->{list}->SetItem($obj_idx, 1, $object->instances_count);
} else {
$self->remove;
}
if ($self->{objects}[$obj_idx]) {
$self->{list}->Select($obj_idx, 0);
$self->{list}->Select($obj_idx, 1);
}
$self->recenter;
$self->{canvas}->Refresh;
}
sub rotate {
my $self = shift;
my ($angle) = @_;
my ($obj_idx, $object) = $self->selected_object;
# we need thumbnail to be computed before allowing rotation
return if !$object->thumbnail;
if (!defined $angle) {
$angle = Wx::GetNumberFromUser("", "Enter the rotation angle:", "Rotate", $object->rotate, -364, 364, $self);
return if !$angle || $angle == -1;
$angle = 0 - $angle; # rotate clockwise (be consistent with button icon)
}
$object->rotate($object->rotate + $angle);
$self->recenter;
$self->{canvas}->Refresh;
}
sub changescale {
my $self = shift;
my ($obj_idx, $object) = $self->selected_object;
# we need thumbnail to be computed before allowing scaling
return if !$object->thumbnail;
# max scale factor should be above 2540 to allow importing files exported in inches
my $scale = Wx::GetNumberFromUser("", "Enter the scale % for the selected object:", "Scale", $object->scale*100, 0, 100000, $self);
return if !$scale || $scale == -1;
$self->{list}->SetItem($obj_idx, 2, "$scale%");
$object->changescale($scale / 100);
$self->arrange;
}
sub arrange {
my $self = shift;
my $total_parts = sum(map $_->instances_count, @{$self->{objects}}) or return;
my @size = ();
for my $a (X,Y) {
$size[$a] = max(map $_->transformed_size->[$a], @{$self->{objects}});
}
eval {
my $config = $self->skeinpanel->config;
my @positions = Slic3r::Geometry::arrange
($total_parts, @size, @{$config->bed_size}, $config->min_object_distance, $self->skeinpanel->config);
@$_ = @{shift @positions}
for map @{$_->instances}, @{$self->{objects}};
};
# ignore arrange warnings on purpose
$self->recenter;
$self->{canvas}->Refresh;
}
sub split_object {
my $self = shift;
my ($obj_idx, $current_object) = $self->selected_object;
my $current_copies_num = $current_object->instances_count;
my $model_object = $current_object->get_model_object;
if (@{$model_object->volumes} > 1) {
Slic3r::GUI::warning_catcher($self)->("The selected object couldn't be split because it contains more than one volume/material.");
return;
}
my $mesh = $model_object->mesh;
$mesh->align_to_origin;
my @new_meshes = $mesh->split_mesh;
if (@new_meshes == 1) {
Slic3r::GUI::warning_catcher($self)->("The selected object couldn't be split because it already contains a single part.");
return;
}
# remove the original object before spawning the object_loaded event, otherwise
# we'll pass the wrong $obj_idx to it (which won't be recognized after the
# thumbnail thread returns)
$self->remove($obj_idx);
# create a bogus Model object, we only need to instantiate the new Model::Object objects
my $new_model = Slic3r::Model->new;
foreach my $mesh (@new_meshes) {
my $bb = $mesh->bounding_box;
my $model_object = $new_model->add_object(vertices => $mesh->vertices);
$model_object->add_volume(facets => $mesh->facets);
my $object = Slic3r::GUI::Plater::Object->new(
name => basename($current_object->input_file),
input_file => $current_object->input_file,
input_file_object_id => undef,
model_object => $model_object,
instances => [ map $bb->min_point, 1..$current_copies_num ],
);
push @{ $self->{objects} }, $object;
$self->object_loaded($#{ $self->{objects} }, no_arrange => 1);
}
$self->recenter;
$self->{canvas}->Refresh;
}
sub export_gcode {
my $self = shift;
if ($self->{export_thread}) {
Wx::MessageDialog->new($self, "Another slicing job is currently running.", 'Error', wxOK | wxICON_ERROR)->ShowModal;
return;
}
# get config before spawning the thread because ->config needs GetParent and it's not available there
my $print = $self->skeinpanel->init_print;
# select output file
$self->{output_file} = $main::opt{output};
{
$self->{output_file} = $print->expanded_output_filepath($self->{output_file}, $self->{objects}[0]->input_file);
my $dlg = Wx::FileDialog->new($self, 'Save G-code file as:', Slic3r::GUI->output_path(dirname($self->{output_file})),
basename($self->{output_file}), &Slic3r::GUI::SkeinPanel::FILE_WILDCARDS->{gcode}, wxFD_SAVE);
if ($dlg->ShowModal != wxID_OK) {
$dlg->Destroy;
return;
}
$Slic3r::GUI::Settings->{_}{last_output_path} = dirname($dlg->GetPath);
Slic3r::GUI->save_settings;
$self->{output_file} = $Slic3r::GUI::SkeinPanel::last_output_file = $dlg->GetPath;
$dlg->Destroy;
}
$self->statusbar->StartBusy;
# It looks like declaring a local $SIG{__WARN__} prevents the ugly
# "Attempt to free unreferenced scalar" warning...
local $SIG{__WARN__} = Slic3r::GUI::warning_catcher($self);
if ($Slic3r::have_threads) {
@_ = ();
$self->{export_thread} = threads->create(sub {
$self->export_gcode2(
$print,
$self->{output_file},
progressbar => sub { Wx::PostEvent($self, Wx::PlThreadEvent->new(-1, $PROGRESS_BAR_EVENT, shared_clone([@_]))) },
message_dialog => sub { Wx::PostEvent($self, Wx::PlThreadEvent->new(-1, $MESSAGE_DIALOG_EVENT, shared_clone([@_]))) },
on_completed => sub { Wx::PostEvent($self, Wx::PlThreadEvent->new(-1, $EXPORT_COMPLETED_EVENT, shared_clone([@_]))) },
catch_error => sub {
Slic3r::GUI::catch_error($self, $_[0], sub {
Wx::PostEvent($self, Wx::PlThreadEvent->new(-1, $MESSAGE_DIALOG_EVENT, shared_clone([@_])));
Wx::PostEvent($self, Wx::PlThreadEvent->new(-1, $EXPORT_FAILED_EVENT, undef));
});
},
);
Slic3r::thread_cleanup();
});
$self->statusbar->SetCancelCallback(sub {
$self->{export_thread}->kill('KILL')->join;
$self->{export_thread} = undef;
$self->statusbar->StopBusy;
$self->statusbar->SetStatusText("Export cancelled");
});
} else {
$self->export_gcode2(
$print,
$self->{output_file},
progressbar => sub {
my ($percent, $message) = @_;
$self->statusbar->SetProgress($percent);
$self->statusbar->SetStatusText("$message…");
},
message_dialog => sub { Wx::MessageDialog->new($self, @_)->ShowModal },
on_completed => sub { $self->on_export_completed(@_) },
catch_error => sub { Slic3r::GUI::catch_error($self, @_) && $self->on_export_failed },
);
}
}
sub export_gcode2 {
my $self = shift;
my ($print, $output_file, %params) = @_;
$Slic3r::Geometry::Clipper::clipper = Math::Clipper->new;
local $SIG{'KILL'} = sub {
Slic3r::debugf "Exporting cancelled; exiting thread...\n";
threads->exit();
} if $Slic3r::have_threads;
eval {
$print->config->validate;
$print->add_model($self->make_model);
$print->validate;
{
my @warnings = ();
local $SIG{__WARN__} = sub { push @warnings, $_[0] };
my %params = (
output_file => $output_file,
status_cb => sub { $params{progressbar}->(@_) },
);
if ($params{export_svg}) {
$print->export_svg(%params);
} else {
$print->export_gcode(%params);
}
Slic3r::GUI::warning_catcher($self, $Slic3r::have_threads ? sub {
Wx::PostEvent($self, Wx::PlThreadEvent->new(-1, $MESSAGE_DIALOG_EVENT, shared_clone([@_])));
} : undef)->($_) for @warnings;
}
my $message = "Your files were successfully sliced";
if ($print->processing_time) {
$message .= ' in';
my $minutes = int($print->processing_time/60);
$message .= sprintf " %d minutes and", $minutes if $minutes;
$message .= sprintf " %.1f seconds", $print->processing_time - $minutes*60;
}
$message .= ".";
$params{on_completed}->($message);
};
$params{catch_error}->();
}
sub on_export_completed {
my $self = shift;
my ($message) = @_;
$self->{export_thread}->detach if $self->{export_thread};
$self->{export_thread} = undef;
$self->statusbar->SetCancelCallback(undef);
$self->statusbar->StopBusy;
$self->statusbar->SetStatusText("G-code file exported to $self->{output_file}");
&Wx::wxTheApp->notify($message);
}
sub on_export_failed {
my $self = shift;
$self->{export_thread}->detach if $self->{export_thread};
$self->{export_thread} = undef;
$self->statusbar->SetCancelCallback(undef);
$self->statusbar->StopBusy;
$self->statusbar->SetStatusText("Export failed");
}
sub export_stl {
my $self = shift;
my $output_file = $self->_get_export_file('STL') or return;
Slic3r::Format::STL->write_file($output_file, $self->make_model, binary => 1);
$self->statusbar->SetStatusText("STL file exported to $output_file");
}
sub export_amf {
my $self = shift;
my $output_file = $self->_get_export_file('AMF') or return;
Slic3r::Format::AMF->write_file($output_file, $self->make_model);
$self->statusbar->SetStatusText("AMF file exported to $output_file");
}
sub _get_export_file {
my $self = shift;
my ($format) = @_;
my $suffix = $format eq 'STL' ? '.stl' : '.amf.xml';
my $output_file = $main::opt{output};
{
$output_file = $self->skeinpanel->init_print->expanded_output_filepath($output_file, $self->{objects}[0]->input_file);
$output_file =~ s/\.gcode$/$suffix/i;
my $dlg = Wx::FileDialog->new($self, "Save $format file as:", dirname($output_file),
basename($output_file), &Slic3r::GUI::SkeinPanel::MODEL_WILDCARD, wxFD_SAVE | wxFD_OVERWRITE_PROMPT);
if ($dlg->ShowModal != wxID_OK) {
$dlg->Destroy;
return undef;
}
$output_file = $Slic3r::GUI::SkeinPanel::last_output_file = $dlg->GetPath;
$dlg->Destroy;
}
return $output_file;
}
sub make_model {
my $self = shift;
my $model = Slic3r::Model->new;
foreach my $plater_object (@{$self->{objects}}) {
my $model_object = $plater_object->get_model_object;
my $new_model_object = $model->add_object(
vertices => $model_object->vertices,
input_file => $plater_object->input_file,
layer_height_ranges => $plater_object->layer_height_ranges,
);
foreach my $volume (@{$model_object->volumes}) {
$new_model_object->add_volume(
material_id => $volume->material_id,
facets => $volume->facets,
);
$model->set_material($volume->material_id || 0, {});
}
$new_model_object->align_to_origin;
$new_model_object->add_instance(
rotation => $plater_object->rotate, # around center point
scaling_factor => $plater_object->scale,
offset => Slic3r::Point->new($_),
) for @{$plater_object->instances};
}
$model->align_to_origin;
return $model;
}
sub make_thumbnail {
my $self = shift;
my ($obj_idx) = @_;
my $object = $self->{objects}[$obj_idx];
$object->thumbnail_scaling_factor($self->{scaling_factor});
my $cb = sub {
$Slic3r::Geometry::Clipper::clipper = Math::Clipper->new if $Slic3r::have_threads;
my $thumbnail = $object->make_thumbnail;
if ($Slic3r::have_threads) {
Wx::PostEvent($self, Wx::PlThreadEvent->new(-1, $THUMBNAIL_DONE_EVENT, shared_clone([ $obj_idx, $thumbnail ])));
Slic3r::thread_cleanup();
threads->exit;
} else {
$self->on_thumbnail_made($obj_idx);
}
};
@_ = ();
$Slic3r::have_threads ? threads->create($cb)->detach : $cb->();
}
sub on_thumbnail_made {
my $self = shift;
my ($obj_idx) = @_;
$self->{objects}[$obj_idx]->free_model_object;
$self->recenter;
$self->{canvas}->Refresh;
}
sub recenter {
my $self = shift;
return unless @{$self->{objects}};
# calculate displacement needed to center the print
my $print_bb = Slic3r::Geometry::BoundingBox->new_from_points([
map {
my $obj = $_;
my $bb = $obj->transformed_bounding_box;
my @points = ($bb->min_point, $bb->max_point);
map Slic3r::Geometry::move_points($_, @points), @{$obj->instances};
} @{$self->{objects}},
]);
# $self->{shift} contains the offset in pixels to add to object instances in order to center them
# it is expressed in upwards Y
my $print_size = $print_bb->size;
$self->{shift} = [
$self->to_pixel(-$print_bb->x_min) + ($self->{canvas}->GetSize->GetWidth - $self->to_pixel($print_size->[X])) / 2,
$self->to_pixel(-$print_bb->y_min) + ($self->{canvas}->GetSize->GetHeight - $self->to_pixel($print_size->[Y])) / 2,
];
}
sub on_config_change {
my $self = shift;
my ($opt_key, $value) = @_;
if ($opt_key eq 'extruders_count' && defined $value) {
my $choices = $self->{preset_choosers}{filament};
while (@$choices < $value) {
my @presets = $choices->[0]->GetStrings;
push @$choices, Wx::Choice->new($self, -1, wxDefaultPosition, [150, -1], [@presets]);
$self->{preset_choosers_sizers}{filament}->Add($choices->[-1], 0, wxEXPAND | wxBOTTOM, FILAMENT_CHOOSERS_SPACING);
EVT_CHOICE($choices->[-1], $choices->[-1], sub { $self->on_select_preset('filament', @_) });
my $i = first { $choices->[-1]->GetString($_) eq ($Slic3r::GUI::Settings->{presets}{"filament_" . $#$choices} || '') } 0 .. $#presets;
$choices->[-1]->SetSelection($i || 0);
}
while (@$choices > $value) {
$self->{preset_choosers_sizers}{filament}->Remove(-1);
$choices->[-1]->Destroy;
pop @$choices;
}
$self->Layout;
} elsif ($self->{config}->has($opt_key)) {
$self->{config}->set($opt_key, $value);
$self->_update_bed_size if $opt_key eq 'bed_size';
}
}
sub _update_bed_size {
my $self = shift;
# supposing the preview canvas is square, calculate the scaling factor
# to constrain print bed area inside preview
# when the canvas is not rendered yet, its GetSize() method returns 0,0
$self->{scaling_factor} = CANVAS_SIZE->[X] / max(@{ $self->{config}->bed_size });
$_->thumbnail_scaling_factor($self->{scaling_factor}) for @{ $self->{objects} };
$self->recenter;
}
# this is called on the canvas
sub repaint {
my ($self, $event) = @_;
my $parent = $self->GetParent;
my $dc = Wx::PaintDC->new($self);
my $size = $self->GetSize;
my @size = ($size->GetWidth, $size->GetHeight);
# draw grid
$dc->SetPen($parent->{grid_pen});
my $step = 10 * $parent->{scaling_factor};
for (my $x = $step; $x <= $size[X]; $x += $step) {
$dc->DrawLine($x, 0, $x, $size[Y]);
}
for (my $y = $step; $y <= $size[Y]; $y += $step) {
$dc->DrawLine(0, $y, $size[X], $y);
}
# draw print center
if (@{$parent->{objects}}) {
$dc->SetPen($parent->{print_center_pen});
$dc->DrawLine($size[X]/2, 0, $size[X]/2, $size[Y]);
$dc->DrawLine(0, $size[Y]/2, $size[X], $size[Y]/2);
$dc->SetTextForeground(Wx::Colour->new(0,0,0));
$dc->SetFont(Wx::Font->new(10, wxDEFAULT, wxNORMAL, wxNORMAL));
$dc->DrawLabel("X = " . $parent->{config}->print_center->[X], Wx::Rect->new(0, 0, $self->GetSize->GetWidth, $self->GetSize->GetHeight), wxALIGN_CENTER_HORIZONTAL | wxALIGN_BOTTOM);
$dc->DrawRotatedText("Y = " . $parent->{config}->print_center->[Y], 0, $size[Y]/2+15, 90);
}
# draw frame
$dc->SetPen(wxBLACK_PEN);
$dc->SetBrush($parent->{transparent_brush});
$dc->DrawRectangle(0, 0, @size);
# draw text if plate is empty
if (!@{$parent->{objects}}) {
$dc->SetTextForeground(Wx::Colour->new(150,50,50));
$dc->SetFont(Wx::Font->new(14, wxDEFAULT, wxNORMAL, wxNORMAL));
$dc->DrawLabel(CANVAS_TEXT, Wx::Rect->new(0, 0, $self->GetSize->GetWidth, $self->GetSize->GetHeight), wxALIGN_CENTER_HORIZONTAL | wxALIGN_CENTER_VERTICAL);
}
# draw thumbnails
$dc->SetPen(wxBLACK_PEN);
@{$parent->{object_previews}} = ();
for my $obj_idx (0 .. $#{$parent->{objects}}) {
my $object = $parent->{objects}[$obj_idx];
next unless defined $object->thumbnail && @{$object->thumbnail};
for my $instance_idx (0 .. $#{$object->instances}) {
my $instance = $object->instances->[$instance_idx];
my $thumbnail = $object->transformed_thumbnail->clone;
$thumbnail->translate(map $parent->to_pixel($instance->[$_]) + $parent->{shift}[$_], (X,Y));
push @{$parent->{object_previews}}, [ $obj_idx, $instance_idx, $thumbnail ];
my $drag_object = $self->{drag_object};
if (defined $drag_object && $obj_idx == $drag_object->[0] && $instance_idx == $drag_object->[1]) {
$dc->SetBrush($parent->{dragged_brush});
} elsif (grep { $_->[0] == $obj_idx } @{$parent->{selected_objects}}) {
$dc->SetBrush($parent->{selected_brush});
} else {
$dc->SetBrush($parent->{objects_brush});
}
$dc->DrawPolygon($parent->_y($_), 0, 0) for map $_->contour, @{ $parent->{object_previews}->[-1][2] };
# if sequential printing is enabled and we have more than one object
if ($parent->{config}->complete_objects && (map @{$_->instances}, @{$parent->{objects}}) > 1) {
my $convex_hull = Slic3r::Polygon->new(@{convex_hull([ map @{$_->contour->pp}, @{$parent->{object_previews}->[-1][2]} ])});
my ($clearance) = @{offset([$convex_hull], $parent->{config}->extruder_clearance_radius / 2 * $parent->{scaling_factor}, 100, JT_ROUND)};
$dc->SetPen($parent->{clearance_pen});
$dc->SetBrush($parent->{transparent_brush});
$dc->DrawPolygon($parent->_y($clearance), 0, 0);
}
}
}
# draw skirt
if (@{$parent->{object_previews}} && $parent->{config}->skirts) {
my $convex_hull = Slic3r::Polygon->new(@{convex_hull([ map @{$_->contour}, map @{$_->[2]}, @{$parent->{object_previews}} ])});
($convex_hull) = @{offset([$convex_hull], $parent->{config}->skirt_distance * $parent->{scaling_factor}, 100, JT_ROUND)};
$dc->SetPen($parent->{skirt_pen});
$dc->SetBrush($parent->{transparent_brush});
$dc->DrawPolygon($parent->_y($convex_hull), 0, 0) if $convex_hull;
}
$event->Skip;
}
sub mouse_event {
my ($self, $event) = @_;
my $parent = $self->GetParent;
my $point = $event->GetPosition;
my $pos = $parent->_y([[$point->x, $point->y]])->[0]; #]]
if ($event->ButtonDown(&Wx::wxMOUSE_BTN_LEFT)) {
$parent->{selected_objects} = [];
$parent->{list}->Select($parent->{list}->GetFirstSelected, 0);
$parent->selection_changed(0);
for my $preview (@{$parent->{object_previews}}) {
my ($obj_idx, $instance_idx, $thumbnail) = @$preview;
if (defined first { $_->contour->encloses_point($pos) } @$thumbnail) {
$parent->{selected_objects} = [ [$obj_idx, $instance_idx] ];
$parent->{list}->Select($obj_idx, 1);
$parent->selection_changed(1);
my $instance = $parent->{objects}[$obj_idx]->instances->[$instance_idx];
$self->{drag_start_pos} = [ map $pos->[$_] - $parent->{shift}[$_] - $parent->to_pixel($instance->[$_]), X,Y ]; # displacement between the click and the instance origin
$self->{drag_object} = $preview;
}
}
$parent->Refresh;
} elsif ($event->ButtonUp(&Wx::wxMOUSE_BTN_LEFT)) {
$parent->recenter;
$parent->Refresh;
$self->{drag_start_pos} = undef;
$self->{drag_object} = undef;
$self->SetCursor(wxSTANDARD_CURSOR);
} elsif ($event->ButtonDClick) {
$parent->list_item_activated(undef, $parent->{selected_objects}->[0][0])
if @{$parent->{selected_objects}};
} elsif ($event->Dragging) {
return if !$self->{drag_start_pos}; # concurrency problems
for my $preview ($self->{drag_object}) {
my ($obj_idx, $instance_idx, $thumbnail) = @$preview;
my $instance = $parent->{objects}[$obj_idx]->instances->[$instance_idx];
$instance->[$_] = $parent->to_units($pos->[$_] - $self->{drag_start_pos}[$_] - $parent->{shift}[$_]) for X,Y;
$parent->Refresh;
}
} elsif ($event->Moving) {
my $cursor = wxSTANDARD_CURSOR;
for my $preview (@{$parent->{object_previews}}) {
if (defined first { $_->contour->encloses_point($pos) } @{ $preview->[2] }) {
$cursor = Wx::Cursor->new(wxCURSOR_HAND);
last;
}
}
$self->SetCursor($cursor);
}
}
sub list_item_deselected {
my ($self, $event) = @_;
if ($self->{list}->GetFirstSelected == -1) {
$self->{selected_objects} = [];
$self->{canvas}->Refresh;
$self->selection_changed(0);
}
}
sub list_item_selected {
my ($self, $event) = @_;
my $obj_idx = $event->GetIndex;
$self->{selected_objects} = [ grep $_->[0] == $obj_idx, @{$self->{object_previews}} ];
$self->{canvas}->Refresh;
$self->selection_changed(1);
}
sub list_item_activated {
my ($self, $event, $obj_idx) = @_;
$obj_idx //= $event->GetIndex;
my $dlg = Slic3r::GUI::Plater::ObjectDialog->new($self,
object => $self->{objects}[$obj_idx],
);
$dlg->ShowModal;
}
sub object_list_changed {
my $self = shift;
my $method = @{$self->{objects}} ? 'Enable' : 'Disable';
$self->{"btn_$_"}->$method
for grep $self->{"btn_$_"}, qw(reset arrange export_gcode export_stl);
}
sub selection_changed {
my $self = shift;
my ($have_sel) = @_;
my $method = $have_sel ? 'Enable' : 'Disable';
$self->{"btn_$_"}->$method
for grep $self->{"btn_$_"}, qw(remove increase decrease rotate45cw rotate45ccw rotate changescale split);
if ($self->{htoolbar}) {
$self->{htoolbar}->EnableTool($_, $have_sel)
for (TB_MORE, TB_LESS, TB_45CW, TB_45CCW, TB_ROTATE, TB_SCALE, TB_SPLIT);
}
}
sub selected_object {
my $self = shift;
my $obj_idx = $self->{selected_objects}[0] ? $self->{selected_objects}[0][0] : $self->{list}->GetFirstSelected;
return ($obj_idx, $self->{objects}[$obj_idx]),
}
sub statusbar {
my $self = shift;
return $self->skeinpanel->GetParent->{statusbar};
}
sub to_pixel {
my $self = shift;
return $_[0] * $self->{scaling_factor};
}
sub to_units {
my $self = shift;
return $_[0] / $self->{scaling_factor};
}
sub _y {
my $self = shift;
my ($points) = @_;
my $height = $self->{canvas}->GetSize->GetHeight;
return [ map [ $_->[X], $height - $_->[Y] ], @$points ];
}
package Slic3r::GUI::Plater::DropTarget;
use Wx::DND;
use base 'Wx::FileDropTarget';
sub new {
my $class = shift;
my ($window) = @_;
my $self = $class->SUPER::new;
$self->{window} = $window;
return $self;
}
sub OnDropFiles {
my $self = shift;
my ($x, $y, $filenames) = @_;
# stop scalars leaking on older perl
# https://rt.perl.org/rt3/Public/Bug/Display.html?id=70602
@_ = ();
# only accept STL, OBJ and AMF files
return 0 if grep !/\.(?:stl|obj|amf(?:\.xml)?)$/i, @$filenames;
$self->{window}->load_file($_) for @$filenames;
}
package Slic3r::GUI::Plater::Object;
use Moo;
use List::Util qw(first);
use Math::ConvexHull::MonotoneChain qw();
use Slic3r::Geometry qw(X Y Z MIN MAX deg2rad);
has 'name' => (is => 'rw', required => 1);
has 'input_file' => (is => 'rw', required => 1);
has 'input_file_object_id' => (is => 'rw'); # undef means keep model object
has 'model_object' => (is => 'rw', required => 1, trigger => 1);
has 'bounding_box' => (is => 'rw'); # 3D bb of original object (aligned to origin) with no rotation or scaling
has 'convex_hull' => (is => 'rw'); # 2D convex hull of original object (aligned to origin) with no rotation or scaling
has 'scale' => (is => 'rw', default => sub { 1 }, trigger => \&_transform_thumbnail);
has 'rotate' => (is => 'rw', default => sub { 0 }, trigger => \&_transform_thumbnail); # around object center point
has 'instances' => (is => 'rw', default => sub { [] }); # upward Y axis
has 'thumbnail' => (is => 'rw', trigger => \&_transform_thumbnail);
has 'transformed_thumbnail' => (is => 'rw');
has 'thumbnail_scaling_factor' => (is => 'rw', trigger => \&_transform_thumbnail);
has 'layer_height_ranges' => (is => 'rw', default => sub { [] }); # [ z_min, z_max, layer_height ]
has 'mesh_stats' => (is => 'rw');
# statistics
has 'facets' => (is => 'rw');
has 'vertices' => (is => 'rw');
has 'materials' => (is => 'rw');
has 'is_manifold' => (is => 'rw');
sub _trigger_model_object {
my $self = shift;
if ($self->model_object) {
$self->model_object->align_to_origin;
$self->bounding_box($self->model_object->bounding_box);
my $mesh = $self->model_object->mesh;
$self->convex_hull(Slic3r::Polygon->new(@{Math::ConvexHull::MonotoneChain::convex_hull($mesh->used_vertices)}));
$self->facets(scalar @{$mesh->facets});
$self->vertices(scalar @{$mesh->vertices});
$self->materials($self->model_object->materials_count);
}
}
sub changescale {
my $self = shift;
my ($scale) = @_;
my $variation = $scale / $self->scale;
foreach my $range (@{ $self->layer_height_ranges }) {
$range->[0] *= $variation;
$range->[1] *= $variation;
}
$self->scale($scale);
}
sub check_manifoldness {
my $self = shift;
if ($self->mesh_stats) {
if ($self->get_model_object->needed_repair) {
warn "Warning: the input file contains manifoldness errors. "
. "Slic3r repaired it successfully by guessing what the correct shape should be, "
. "but you might still want to inspect the G-code before printing.\n";
$self->is_manifold(0);
} else {
$self->is_manifold(1);
}
} else {
$self->is_manifold($self->get_model_object->check_manifoldness);
}
return $self->is_manifold;
}
sub free_model_object {
my $self = shift;
# only delete mesh from memory if we can retrieve it from the original file
return unless $self->input_file && defined $self->input_file_object_id;
$self->model_object(undef);
}
sub get_model_object {
my $self = shift;
my $object = $self->model_object;
if (!$object) {
my $model = Slic3r::Model->read_from_file($self->input_file);
$object = $model->objects->[$self->input_file_object_id];
}
return $object;
}
sub instances_count {
my $self = shift;
return scalar @{$self->instances};
}
sub make_thumbnail {
my $self = shift;
my $mesh = $self->model_object->mesh; # $self->model_object is already aligned to origin
my $thumbnail = Slic3r::ExPolygon::Collection->new;
if (@{$mesh->facets} <= 5000) {
$thumbnail->append(@{ $mesh->horizontal_projection });
} else {
my $convex_hull = Slic3r::ExPolygon->new($self->convex_hull)->clone;
$convex_hull->scale(1/&Slic3r::SCALING_FACTOR);
$thumbnail->append($convex_hull);
}
# remove polygons with area <= 1mm
my $area_threshold = Slic3r::Geometry::scale 1;
@{$thumbnail->expolygons} =
map $_->simplify(0.5),
grep $_->area >= $area_threshold,
@{$thumbnail->expolygons};
$thumbnail->scale(&Slic3r::SCALING_FACTOR);
$self->thumbnail($thumbnail); # ignored in multi-threaded environments
$self->free_model_object;
return $thumbnail;
}
sub _transform_thumbnail {
my $self = shift;
return unless defined $self->thumbnail;
my $t = $self->_apply_transform($self->thumbnail);
$t->scale($self->thumbnail_scaling_factor);
$self->transformed_thumbnail($t);
}
# bounding box with applied rotation and scaling
sub transformed_bounding_box {
my $self = shift;
my $bb = Slic3r::Geometry::BoundingBox->new_from_points($self->_apply_transform($self->convex_hull));
$bb->extents->[Z] = $self->bounding_box->clone->extents->[Z];
$bb->extents->[Z][MAX] *= $self->scale;
return $bb;
}
sub _apply_transform {
my $self = shift;
my ($entity) = @_; # can be anything that implements ->clone(), ->rotate() and ->scale()
# the order of these transformations MUST be the same everywhere, including
# in Slic3r::Print->add_model()
my $result = $entity->clone;
$result->rotate(deg2rad($self->rotate), $self->bounding_box->center_2D);
$result->scale($self->scale);
return $result;
}
sub transformed_size {
my $self = shift;
return $self->transformed_bounding_box->size;
}
1;
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