PrusaSlicer-NonPlainar/lib/Slic3r/GUI/Plater/2D.pm
2014-06-16 15:18:39 +02:00

316 lines
12 KiB
Perl

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);
use Wx qw(:misc :pen :brush :sizer :font :cursor wxTAB_TRAVERSAL);
use Wx::Event qw(EVT_MOUSE_EVENTS EVT_PAINT EVT_SIZE);
use base 'Wx::Panel';
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';
sub new {
my $class = shift;
my ($parent, $size, $objects, $model, $config) = @_;
my $self = $class->SUPER::new($parent, -1, wxDefaultPosition, $size, wxTAB_TRAVERSAL);
$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_instance_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);
$self->{skirt_pen} = Wx::Pen->new(Wx::Colour->new(150,150,150), 1, wxSOLID);
EVT_PAINT($self, \&repaint);
EVT_MOUSE_EVENTS($self, \&mouse_event);
EVT_SIZE($self, sub {
$self->update_bed_size;
});
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} = $cb;
}
sub on_instance_moved {
my ($self, $cb) = @_;
$self->{on_instance_moved} = $cb;
}
sub repaint {
my ($self, $event) = @_;
my $dc = Wx::PaintDC->new($self);
my $size = $self->GetSize;
my @size = ($size->GetWidth, $size->GetHeight);
# 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 grid
$dc->SetPen($self->{grid_pen});
$dc->DrawLine(map @$_, @$_) for @{$self->{grid}};
# draw print center
if (@{$self->{objects}} && $Slic3r::GUI::Settings->{_}{autocenter}) {
my $center = $self->unscaled_point_to_pixel($self->{config}->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 = " . $self->{config}->print_center->[X], Wx::Rect->new(0, 0, $center->[X]*2, $self->GetSize->GetHeight), wxALIGN_CENTER_HORIZONTAL | wxALIGN_BOTTOM);
$dc->DrawRotatedText("Y = " . $self->{config}->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(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);
$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), 1, 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($self->{config}->skirt_distance), 1, 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);
OBJECTS: for my $obj_idx (0 .. $#{$self->{objects}}) {
my $object = $self->{objects}->[$obj_idx];
for my $instance_idx (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);
}
last OBJECTS;
}
}
}
$self->Refresh;
} elsif ($event->ButtonUp(&Wx::wxMOUSE_BTN_LEFT)) {
$self->{on_instance_moved}->();
$self->Refresh;
$self->{drag_start_pos} = undef;
$self->{drag_object} = undef;
$self->SetCursor(wxSTANDARD_CURSOR);
} elsif ($event->ButtonDClick) {
$self->{on_double_click}->();
} elsif ($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]),
));
$model_object->update_bounding_box;
$self->Refresh;
} elsif ($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 = shift;
# 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} = [
$self->GetSize->GetWidth/2 - (unscale($bb->x_max + $bb->x_min)/2 * $self->{scaling_factor}),
$canvas_h - ($self->GetSize->GetHeight/2 - (unscale($bb->y_max + $bb->y_min)/2 * $self->{scaling_factor})),
];
# cache bed contours and grid
{
my $step = scale 10; # 1cm grid
$self->{grid} = my $grid = []; # arrayref of lines
for (my $x = $bb->x_min + $step; $x < $bb->x_max; $x += $step) {
push @$grid, $self->scaled_points_to_pixel([[$x, $bb->y_min], [$x, $bb->y_max]], 1);
}
for (my $y = $bb->y_min + $step; $y < $bb->y_max; $y += $step) {
push @$grid, $self->scaled_points_to_pixel([[$bb->x_min, $y], [$bb->x_max, $y]], 1);
}
}
}
sub clean_instance_thumbnails {
my ($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},
);
}
1;