373 lines
15 KiB
Perl
373 lines
15 KiB
Perl
# 2D preview on the platter.
|
|
# 3D objects are visualized by their convex hulls.
|
|
|
|
package Slic3r::GUI::Plater::2D;
|
|
use strict;
|
|
use warnings;
|
|
use utf8;
|
|
|
|
use List::Util qw(min max first);
|
|
use Slic3r::Geometry qw(X Y scale unscale convex_hull);
|
|
use Slic3r::Geometry::Clipper qw(offset JT_ROUND intersection_pl);
|
|
use Wx qw(wxTheApp :misc :pen :brush :sizer :font :cursor wxTAB_TRAVERSAL);
|
|
use Wx::Event qw(EVT_MOUSE_EVENTS EVT_PAINT EVT_ERASE_BACKGROUND EVT_SIZE);
|
|
use base 'Wx::Panel';
|
|
|
|
use Wx::Locale gettext => 'L';
|
|
|
|
sub new {
|
|
my $class = shift;
|
|
my ($parent, $size, $objects, $model, $config) = @_;
|
|
|
|
my $self = $class->SUPER::new($parent, -1, wxDefaultPosition, $size, wxTAB_TRAVERSAL);
|
|
# This has only effect on MacOS. On Windows and Linux/GTK, the background is painted by $self->repaint().
|
|
$self->SetBackgroundColour(Wx::wxWHITE);
|
|
|
|
$self->{objects} = $objects;
|
|
$self->{model} = $model;
|
|
$self->{config} = $config;
|
|
$self->{on_select_object} = sub {};
|
|
$self->{on_double_click} = sub {};
|
|
$self->{on_right_click} = sub {};
|
|
$self->{on_instances_moved} = sub {};
|
|
|
|
$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);
|
|
|
|
$self->{user_drawn_background} = $^O ne 'darwin';
|
|
|
|
EVT_PAINT($self, \&repaint);
|
|
EVT_ERASE_BACKGROUND($self, sub {}) if $self->{user_drawn_background};
|
|
EVT_MOUSE_EVENTS($self, \&mouse_event);
|
|
EVT_SIZE($self, sub {
|
|
$self->update_bed_size;
|
|
$self->Refresh;
|
|
});
|
|
|
|
return $self;
|
|
}
|
|
|
|
sub on_select_object {
|
|
my ($self, $cb) = @_;
|
|
$self->{on_select_object} = $cb;
|
|
}
|
|
|
|
sub on_double_click {
|
|
my ($self, $cb) = @_;
|
|
$self->{on_double_click} = $cb;
|
|
}
|
|
|
|
sub on_right_click {
|
|
my ($self, $cb) = @_;
|
|
$self->{on_right_click} = $cb;
|
|
}
|
|
|
|
sub on_instances_moved {
|
|
my ($self, $cb) = @_;
|
|
$self->{on_instances_moved} = $cb;
|
|
}
|
|
|
|
sub repaint {
|
|
my ($self, $event) = @_;
|
|
|
|
my $dc = Wx::AutoBufferedPaintDC->new($self);
|
|
my $size = $self->GetSize;
|
|
my @size = ($size->GetWidth, $size->GetHeight);
|
|
|
|
if ($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 $brush_background = Wx::Brush->new(Wx::wxWHITE, wxSOLID);
|
|
$dc->SetPen(wxWHITE_PEN);
|
|
$dc->SetBrush($brush_background);
|
|
my $rect = $self->GetUpdateRegion()->GetBox();
|
|
$dc->DrawRectangle($rect->GetLeft(), $rect->GetTop(), $rect->GetWidth(), $rect->GetHeight());
|
|
}
|
|
|
|
# draw grid
|
|
$dc->SetPen($self->{grid_pen});
|
|
$dc->DrawLine(map @$_, @$_) for @{$self->{grid}};
|
|
|
|
# draw bed
|
|
{
|
|
$dc->SetPen($self->{print_center_pen});
|
|
$dc->SetBrush($self->{transparent_brush});
|
|
$dc->DrawPolygon($self->scaled_points_to_pixel($self->{bed_polygon}, 1), 0, 0);
|
|
}
|
|
|
|
# draw print center
|
|
if (@{$self->{objects}} && wxTheApp->{app_config}->get("autocenter")) {
|
|
my $center = $self->unscaled_point_to_pixel($self->{print_center});
|
|
$dc->SetPen($self->{print_center_pen});
|
|
$dc->DrawLine($center->[X], 0, $center->[X], $size[Y]);
|
|
$dc->DrawLine(0, $center->[Y], $size[X], $center->[Y]);
|
|
$dc->SetTextForeground(Wx::Colour->new(0,0,0));
|
|
$dc->SetFont(Wx::Font->new(10, wxDEFAULT, wxNORMAL, wxNORMAL));
|
|
$dc->DrawLabel("X = " . sprintf('%.0f', $self->{print_center}->[X]), Wx::Rect->new(0, 0, $center->[X]*2, $self->GetSize->GetHeight), wxALIGN_CENTER_HORIZONTAL | wxALIGN_BOTTOM);
|
|
$dc->DrawRotatedText("Y = " . sprintf('%.0f', $self->{print_center}->[Y]), 0, $center->[Y]+15, 90);
|
|
}
|
|
|
|
# draw frame
|
|
if (0) {
|
|
$dc->SetPen(wxBLACK_PEN);
|
|
$dc->SetBrush($self->{transparent_brush});
|
|
$dc->DrawRectangle(0, 0, @size);
|
|
}
|
|
|
|
# draw text if plate is empty
|
|
if (!@{$self->{objects}}) {
|
|
$dc->SetTextForeground(Wx::Colour->new(150,50,50));
|
|
$dc->SetFont(Wx::Font->new(14, wxDEFAULT, wxNORMAL, wxNORMAL));
|
|
$dc->DrawLabel(
|
|
join('-', +(localtime)[3,4]) eq '13-8'
|
|
? L('What do you want to print today? ™') # Sept. 13, 2006. The first part ever printed by a RepRap to make another RepRap.
|
|
: L('Drag your objects here'),
|
|
Wx::Rect->new(0, 0, $self->GetSize->GetWidth, $self->GetSize->GetHeight), wxALIGN_CENTER_HORIZONTAL | wxALIGN_CENTER_VERTICAL);
|
|
}
|
|
|
|
# draw thumbnails
|
|
$dc->SetPen(wxBLACK_PEN);
|
|
$self->clean_instance_thumbnails;
|
|
for my $obj_idx (0 .. $#{$self->{objects}}) {
|
|
my $object = $self->{objects}[$obj_idx];
|
|
my $model_object = $self->{model}->objects->[$obj_idx];
|
|
next unless defined $object->thumbnail;
|
|
for my $instance_idx (0 .. $#{$model_object->instances}) {
|
|
my $instance = $model_object->instances->[$instance_idx];
|
|
next if !defined $object->transformed_thumbnail;
|
|
|
|
my $thumbnail = $object->transformed_thumbnail->clone; # in scaled model coordinates
|
|
$thumbnail->translate(map scale($_), @{$instance->offset});
|
|
|
|
$object->instance_thumbnails->[$instance_idx] = $thumbnail;
|
|
|
|
if (defined $self->{drag_object} && $self->{drag_object}[0] == $obj_idx && $self->{drag_object}[1] == $instance_idx) {
|
|
$dc->SetBrush($self->{dragged_brush});
|
|
} elsif ($object->selected) {
|
|
$dc->SetBrush($self->{selected_brush});
|
|
} else {
|
|
$dc->SetBrush($self->{objects_brush});
|
|
}
|
|
foreach my $expolygon (@$thumbnail) {
|
|
foreach my $points (@{$expolygon->pp}) {
|
|
$dc->DrawPolygon($self->scaled_points_to_pixel($points, 1), 0, 0);
|
|
}
|
|
}
|
|
|
|
if (0) {
|
|
# draw bounding box for debugging purposes
|
|
my $bb = $model_object->instance_bounding_box($instance_idx);
|
|
$bb->scale($self->{scaling_factor});
|
|
# no need to translate by instance offset because instance_bounding_box() does that
|
|
my $points = $bb->polygon->pp;
|
|
$dc->SetPen($self->{clearance_pen});
|
|
$dc->SetBrush($self->{transparent_brush});
|
|
$dc->DrawPolygon($self->_y($points), 0, 0);
|
|
}
|
|
|
|
# if sequential printing is enabled and we have more than one object, draw clearance area
|
|
if ($self->{config}->complete_objects && (map @{$_->instances}, @{$self->{model}->objects}) > 1) {
|
|
my ($clearance) = @{offset([$thumbnail->convex_hull], (scale($self->{config}->extruder_clearance_radius) / 2), JT_ROUND, scale(0.1))};
|
|
$dc->SetPen($self->{clearance_pen});
|
|
$dc->SetBrush($self->{transparent_brush});
|
|
$dc->DrawPolygon($self->scaled_points_to_pixel($clearance, 1), 0, 0);
|
|
}
|
|
}
|
|
}
|
|
|
|
# draw skirt
|
|
if (@{$self->{objects}} && $self->{config}->skirts) {
|
|
my @points = map @{$_->contour}, map @$_, map @{$_->instance_thumbnails}, @{$self->{objects}};
|
|
if (@points >= 3) {
|
|
my ($convex_hull) = @{offset([convex_hull(\@points)], scale max($self->{config}->brim_width + $self->{config}->skirt_distance), JT_ROUND, scale(0.1))};
|
|
$dc->SetPen($self->{skirt_pen});
|
|
$dc->SetBrush($self->{transparent_brush});
|
|
$dc->DrawPolygon($self->scaled_points_to_pixel($convex_hull, 1), 0, 0);
|
|
}
|
|
}
|
|
|
|
$event->Skip;
|
|
}
|
|
|
|
sub mouse_event {
|
|
my ($self, $event) = @_;
|
|
my $pos = $event->GetPosition;
|
|
my $point = $self->point_to_model_units([ $pos->x, $pos->y ]); #]]
|
|
if ($event->ButtonDown) {
|
|
$self->{on_select_object}->(undef);
|
|
# traverse objects and instances in reverse order, so that if they're overlapping
|
|
# we get the one that gets drawn last, thus on top (as user expects that to move)
|
|
OBJECTS: for my $obj_idx (reverse 0 .. $#{$self->{objects}}) {
|
|
my $object = $self->{objects}->[$obj_idx];
|
|
for my $instance_idx (reverse 0 .. $#{ $object->instance_thumbnails }) {
|
|
my $thumbnail = $object->instance_thumbnails->[$instance_idx];
|
|
if (defined first { $_->contour->contains_point($point) } @$thumbnail) {
|
|
$self->{on_select_object}->($obj_idx);
|
|
|
|
if ($event->LeftDown) {
|
|
# start dragging
|
|
my $instance = $self->{model}->objects->[$obj_idx]->instances->[$instance_idx];
|
|
my $instance_origin = [ map scale($_), @{$instance->offset} ];
|
|
$self->{drag_start_pos} = [ # displacement between the click and the instance origin in scaled model units
|
|
$point->x - $instance_origin->[X],
|
|
$point->y - $instance_origin->[Y], #-
|
|
];
|
|
$self->{drag_object} = [ $obj_idx, $instance_idx ];
|
|
} elsif ($event->RightDown) {
|
|
$self->{on_right_click}->($pos->x, $pos->y);
|
|
}
|
|
|
|
last OBJECTS;
|
|
}
|
|
}
|
|
}
|
|
$self->Refresh;
|
|
} elsif ($event->LeftUp) {
|
|
if ($self->{drag_object}) {
|
|
$self->{on_instances_moved}->();
|
|
}
|
|
$self->{drag_start_pos} = undef;
|
|
$self->{drag_object} = undef;
|
|
$self->SetCursor(wxSTANDARD_CURSOR);
|
|
} elsif ($event->LeftDClick) {
|
|
$self->{on_double_click}->();
|
|
} elsif ($event->Dragging) {
|
|
return if !$self->{drag_start_pos}; # concurrency problems
|
|
my ($obj_idx, $instance_idx) = @{ $self->{drag_object} };
|
|
my $model_object = $self->{model}->objects->[$obj_idx];
|
|
$model_object->instances->[$instance_idx]->set_offset(
|
|
Slic3r::Pointf->new(
|
|
unscale($point->[X] - $self->{drag_start_pos}[X]),
|
|
unscale($point->[Y] - $self->{drag_start_pos}[Y]),
|
|
));
|
|
$self->Refresh;
|
|
} elsif ($event->Moving) {
|
|
my $cursor = wxSTANDARD_CURSOR;
|
|
if (defined first { $_->contour->contains_point($point) } map @$_, map @{$_->instance_thumbnails}, @{ $self->{objects} }) {
|
|
$cursor = Wx::Cursor->new(wxCURSOR_HAND);
|
|
}
|
|
$self->SetCursor($cursor);
|
|
}
|
|
}
|
|
|
|
sub update_bed_size {
|
|
my ($self) = @_;
|
|
|
|
# when the canvas is not rendered yet, its GetSize() method returns 0,0
|
|
my $canvas_size = $self->GetSize;
|
|
my ($canvas_w, $canvas_h) = ($canvas_size->GetWidth, $canvas_size->GetHeight);
|
|
return if $canvas_w == 0;
|
|
|
|
# get bed shape polygon
|
|
$self->{bed_polygon} = my $polygon = Slic3r::Polygon->new_scale(@{$self->{config}->bed_shape});
|
|
my $bb = $polygon->bounding_box;
|
|
my $size = $bb->size;
|
|
|
|
# calculate the scaling factor needed for constraining print bed area inside preview
|
|
# scaling_factor is expressed in pixel / mm
|
|
$self->{scaling_factor} = min($canvas_w / unscale($size->x), $canvas_h / unscale($size->y)); #)
|
|
|
|
# calculate the displacement needed to center bed
|
|
$self->{bed_origin} = [
|
|
$canvas_w/2 - (unscale($bb->x_max + $bb->x_min)/2 * $self->{scaling_factor}),
|
|
$canvas_h - ($canvas_h/2 - (unscale($bb->y_max + $bb->y_min)/2 * $self->{scaling_factor})),
|
|
];
|
|
|
|
# calculate print center
|
|
my $center = $bb->center;
|
|
$self->{print_center} = [ unscale($center->x), unscale($center->y) ]; #))
|
|
|
|
# cache bed contours and grid
|
|
{
|
|
my $step = scale 10; # 1cm grid
|
|
my @polylines = ();
|
|
for (my $x = $bb->x_min - ($bb->x_min % $step) + $step; $x < $bb->x_max; $x += $step) {
|
|
push @polylines, Slic3r::Polyline->new([$x, $bb->y_min], [$x, $bb->y_max]);
|
|
}
|
|
for (my $y = $bb->y_min - ($bb->y_min % $step) + $step; $y < $bb->y_max; $y += $step) {
|
|
push @polylines, Slic3r::Polyline->new([$bb->x_min, $y], [$bb->x_max, $y]);
|
|
}
|
|
@polylines = @{intersection_pl(\@polylines, [$polygon])};
|
|
$self->{grid} = [ map $self->scaled_points_to_pixel([ @$_[0,-1] ], 1), @polylines ];
|
|
}
|
|
}
|
|
|
|
sub clean_instance_thumbnails {
|
|
my ($self) = @_;
|
|
|
|
foreach my $object (@{ $self->{objects} }) {
|
|
@{ $object->instance_thumbnails } = ();
|
|
}
|
|
}
|
|
|
|
# convert a model coordinate into a pixel coordinate
|
|
sub unscaled_point_to_pixel {
|
|
my ($self, $point) = @_;
|
|
|
|
my $canvas_height = $self->GetSize->GetHeight;
|
|
my $zero = $self->{bed_origin};
|
|
return [
|
|
$point->[X] * $self->{scaling_factor} + $zero->[X],
|
|
$canvas_height - $point->[Y] * $self->{scaling_factor} + ($zero->[Y] - $canvas_height),
|
|
];
|
|
}
|
|
|
|
sub scaled_points_to_pixel {
|
|
my ($self, $points, $unscale) = @_;
|
|
|
|
my $result = [];
|
|
foreach my $point (@$points) {
|
|
$point = [ map unscale($_), @$point ] if $unscale;
|
|
push @$result, $self->unscaled_point_to_pixel($point);
|
|
}
|
|
return $result;
|
|
}
|
|
|
|
sub point_to_model_units {
|
|
my ($self, $point) = @_;
|
|
|
|
my $zero = $self->{bed_origin};
|
|
return Slic3r::Point->new(
|
|
scale ($point->[X] - $zero->[X]) / $self->{scaling_factor},
|
|
scale ($zero->[Y] - $point->[Y]) / $self->{scaling_factor},
|
|
);
|
|
}
|
|
|
|
sub reload_scene {
|
|
my ($self, $force) = @_;
|
|
|
|
if (! $self->IsShown && ! $force) {
|
|
$self->{reload_delayed} = 1;
|
|
return;
|
|
}
|
|
|
|
$self->{reload_delayed} = 0;
|
|
|
|
foreach my $obj_idx (0..$#{$self->{model}->objects}) {
|
|
my $plater_object = $self->{objects}[$obj_idx];
|
|
next if $plater_object->thumbnail;
|
|
# The thumbnail is not valid, update it with a convex hull of an object.
|
|
$plater_object->thumbnail(Slic3r::ExPolygon::Collection->new);
|
|
$plater_object->make_thumbnail($self->{model}, $obj_idx);
|
|
$plater_object->transform_thumbnail($self->{model}, $obj_idx);
|
|
}
|
|
|
|
$self->Refresh;
|
|
}
|
|
|
|
# Called by the Platter wxNotebook when this page is activated.
|
|
sub OnActivate {
|
|
my ($self) = @_;
|
|
$self->reload_scene(1) if ($self->{reload_delayed});
|
|
}
|
|
|
|
1;
|