3D-printing/OrcaSlicer
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Merge remote-tracking branch 'origin/newplater'

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This commit is contained in:
Alessandro Ranellucci 2014-06-09 18:57:17 +02:00
commit d1511f4a00
3 changed files with 306 additions and 249 deletions
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1
lib/Slic3r/GUI.pm
View file

@ -8,6 +8,7 @@ use FindBin;
use Slic3r::GUI::AboutDialog;
use Slic3r::GUI::ConfigWizard;
use Slic3r::GUI::Plater;
use Slic3r::GUI::Plater::2D;
use Slic3r::GUI::Plater::ObjectPartsPanel;
use Slic3r::GUI::Plater::ObjectCutDialog;
use Slic3r::GUI::Plater::ObjectPreviewDialog;

270
lib/Slic3r/GUI/Plater.pm
View file

@ -4,11 +4,10 @@ use warnings;
use utf8;
use File::Basename qw(basename dirname);
use List::Util qw(max sum first);
use Slic3r::Geometry::Clipper qw(offset JT_ROUND);
use Slic3r::Geometry qw(X Y Z MIN MAX convex_hull scale unscale);
use List::Util qw(sum first);
use Slic3r::Geometry qw(X Y Z MIN MAX scale unscale);
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 qw(:button :cursor :dialog :filedialog :keycode :icon :font :id :listctrl :misc :panel :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';
@ -36,9 +35,6 @@ our $EXPORT_COMPLETED_EVENT : shared = Wx::NewEventType;
our $EXPORT_FAILED_EVENT : shared = Wx::NewEventType;
use constant CANVAS_SIZE => [335,335];
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;
my $PreventListEvents = 0;
@ -54,19 +50,17 @@ sub new {
$self->{print} = Slic3r::Print->new;
$self->{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);
$self->{canvas} = Slic3r::GUI::Plater::2D->new($self, CANVAS_SIZE, $self->{objects}, $self->{model}, $self->{config});
$self->{canvas}->on_select_object(sub {
my ($obj_idx) = @_;
$self->select_object($obj_idx);
});
$self->{canvas}->on_double_click(sub {
$self->object_cut_dialog if $self->selected_object;
});
$self->{canvas}->on_instance_moved(sub {
$self->update;
});
# toolbar for object manipulation
if (!&Wx::wxMSW) {
@ -224,7 +218,7 @@ sub new {
$self->on_export_failed;
});
$self->_update_bed_size;
$self->{canvas}->update_bed_size;
$self->update;
{
@ -597,8 +591,8 @@ sub arrange {
# get the bounding box of the model area shown in the viewport
my $bb = Slic3r::Geometry::BoundingBox->new_from_points([
Slic3r::Point->new(@{ $self->point_to_model_units([0,0]) }),
Slic3r::Point->new(@{ $self->point_to_model_units(CANVAS_SIZE) }),
Slic3r::Point->new(@{ $self->{canvas}->point_to_model_units([0,0]) }),
Slic3r::Point->new(@{ $self->{canvas}->point_to_model_units(CANVAS_SIZE) }),
]);
eval {
@ -896,14 +890,6 @@ sub on_thumbnail_made {
$self->{canvas}->Refresh;
}
sub clean_instance_thumbnails {
my ($self) = @_;
foreach my $object (@{ $self->{objects} }) {
@{ $object->instance_thumbnails } = ();
}
}
# this method gets called whenever print center is changed or the objects' bounding box changes
# (i.e. when an object is added/removed/moved/rotated/scaled)
sub update {
@ -947,184 +933,14 @@ sub on_config_change {
$self->Layout;
} elsif ($self->{config}->has($opt_key)) {
$self->{config}->set($opt_key, $value);
$self->_update_bed_size if $opt_key eq 'bed_size';
if ($opt_key eq 'bed_size') {
$self->{canvas}->update_bed_size;
$self->update;
}
$self->update if $opt_key eq 'print_center';
}
}
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
# scaling_factor is expressed in pixel / mm
$self->{scaling_factor} = CANVAS_SIZE->[X] / max(@{ $self->{config}->bed_size });
$self->update;
}
# this is called on the canvas
sub repaint {
my ($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
if (0) {
$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->clean_instance_thumbnails;
for my $obj_idx (0 .. $#{$parent->{objects}}) {
my $object = $parent->{objects}[$obj_idx];
my $model_object = $parent->{model}->objects->[$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) {
$dc->SetBrush($parent->{dragged_brush});
} elsif ($object->selected) {
$dc->SetBrush($parent->{selected_brush});
} else {
$dc->SetBrush($parent->{objects_brush});
}
foreach my $expolygon (@$thumbnail) {
foreach my $points (@{$expolygon->pp}) {
$dc->DrawPolygon($parent->points_to_pixel($points, 1), 0, 0);
}
}
if (0) {
# draw bounding box for debugging purposes
my $bb = $model_object->instance_bounding_box($instance_idx);
$bb->scale($parent->{scaling_factor});
# no need to translate by instance offset because instance_bounding_box() does that
my $points = $bb->polygon->pp;
$dc->SetPen($parent->{clearance_pen});
$dc->SetBrush($parent->{transparent_brush});
$dc->DrawPolygon($parent->_y($points), 0, 0);
}
# if sequential printing is enabled and we have more than one object, draw clearance area
if ($parent->{config}->complete_objects && (map @{$_->instances}, @{$parent->{model}->objects}) > 1) {
my ($clearance) = @{offset([$thumbnail->convex_hull], (scale($parent->{config}->extruder_clearance_radius) / 2), 1, JT_ROUND, scale(0.1))};
$dc->SetPen($parent->{clearance_pen});
$dc->SetBrush($parent->{transparent_brush});
$dc->DrawPolygon($parent->points_to_pixel($clearance, 1), 0, 0);
}
}
}
# draw skirt
if (@{$parent->{objects}} && $parent->{config}->skirts) {
my @points = map @{$_->contour}, map @$_, map @{$_->instance_thumbnails}, @{$parent->{objects}};
if (@points >= 3) {
my ($convex_hull) = @{offset([convex_hull(\@points)], scale($parent->{config}->skirt_distance), 1, JT_ROUND, scale(0.1))};
$dc->SetPen($parent->{skirt_pen});
$dc->SetBrush($parent->{transparent_brush});
$dc->DrawPolygon($parent->points_to_pixel($convex_hull, 1), 0, 0);
}
}
$event->Skip;
}
sub mouse_event {
my ($self, $event) = @_;
my $parent = $self->GetParent;
my $point = $event->GetPosition;
my $pos = $parent->point_to_model_units([ $point->x, $point->y ]); #]]
$pos = Slic3r::Point->new_scale(@$pos);
if ($event->ButtonDown(&Wx::wxMOUSE_BTN_LEFT)) {
$parent->select_object(undef);
for my $obj_idx (0 .. $#{$parent->{objects}}) {
my $object = $parent->{objects}->[$obj_idx];
for my $instance_idx (0 .. $#{ $object->instance_thumbnails }) {
my $thumbnail = $object->instance_thumbnails->[$instance_idx];
if (defined first { $_->contour->contains_point($pos) } @$thumbnail) {
$parent->select_object($obj_idx);
my $instance = $parent->{model}->objects->[$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
$pos->x - $instance_origin->[X],
$pos->y - $instance_origin->[Y], #-
];
$self->{drag_object} = [ $obj_idx, $instance_idx ];
}
}
}
$parent->Refresh;
} elsif ($event->ButtonUp(&Wx::wxMOUSE_BTN_LEFT)) {
$parent->update;
$parent->Refresh;
$self->{drag_start_pos} = undef;
$self->{drag_object} = undef;
$self->SetCursor(wxSTANDARD_CURSOR);
} elsif ($event->ButtonDClick) {
$parent->object_cut_dialog if $parent->selected_object;
} elsif ($event->Dragging) {
return if !$self->{drag_start_pos}; # concurrency problems
my ($obj_idx, $instance_idx) = @{ $self->{drag_object} };
my $model_object = $parent->{model}->objects->[$obj_idx];
$model_object->instances->[$instance_idx]->set_offset(
Slic3r::Pointf->new(
unscale($pos->[X] - $self->{drag_start_pos}[X]),
unscale($pos->[Y] - $self->{drag_start_pos}[Y]),
));
$model_object->update_bounding_box;
$parent->Refresh;
} elsif ($event->Moving) {
my $cursor = wxSTANDARD_CURSOR;
if (defined first { $_->contour->contains_point($pos) } map @$_, map @{$_->instance_thumbnails}, @{ $parent->{objects} }) {
$cursor = Wx::Cursor->new(wxCURSOR_HAND);
}
$self->SetCursor($cursor);
}
}
sub list_item_deselected {
my ($self, $event) = @_;
return if $PreventListEvents;
@ -1314,50 +1130,6 @@ sub statusbar {
return $self->skeinpanel->GetParent->{statusbar};
}
# coordinates of the model origin (0,0) in pixels
sub model_origin_to_pixel {
my ($self) = @_;
return [
CANVAS_SIZE->[X]/2 - ($self->{config}->print_center->[X] * $self->{scaling_factor}),
CANVAS_SIZE->[Y]/2 - ($self->{config}->print_center->[Y] * $self->{scaling_factor}),
];
}
# convert a model coordinate into a pixel coordinate, assuming preview has square shape
sub point_to_pixel {
my ($self, $point) = @_;
my $canvas_height = $self->{canvas}->GetSize->GetHeight;
my $zero = $self->model_origin_to_pixel;
return [
$point->[X] * $self->{scaling_factor} + $zero->[X],
$canvas_height - ($point->[Y] * $self->{scaling_factor} + $zero->[Y]),
];
}
sub points_to_pixel {
my ($self, $points, $unscale) = @_;
my $result = [];
foreach my $point (@$points) {
$point = [ map unscale($_), @$point ] if $unscale;
push @$result, $self->point_to_pixel($point);
}
return $result;
}
sub point_to_model_units {
my ($self, $point) = @_;
my $canvas_height = $self->{canvas}->GetSize->GetHeight;
my $zero = $self->model_origin_to_pixel;
return [
($point->[X] - $zero->[X]) / $self->{scaling_factor},
(($canvas_height - $point->[Y] - $zero->[Y]) / $self->{scaling_factor}),
];
}
package Slic3r::GUI::Plater::DropTarget;
use Wx::DND;
use base 'Wx::FileDropTarget';

284
lib/Slic3r/GUI/Plater/2D.pm Normal file
View file

@ -0,0 +1,284 @@
package Slic3r::GUI::Plater::2D;
use strict;
use warnings;
use utf8;
use List::Util qw(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);
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_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);
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} = $cb;
}
sub on_instance_moved {
my ($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 grid
$dc->SetPen($self->{grid_pen});
my $step = 10 * $self->{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], $y);
}
# draw print center
if (@{$self->{objects}}) {
$dc->SetPen($self->{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 = " . $self->{config}->print_center->[X], Wx::Rect->new(0, 0, $self->GetSize->GetWidth, $self->GetSize->GetHeight), wxALIGN_CENTER_HORIZONTAL | wxALIGN_BOTTOM);
$dc->DrawRotatedText("Y = " . $self->{config}->print_center->[Y], 0, $size[Y]/2+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->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->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->points_to_pixel($convex_hull, 1), 0, 0);
}
}
$event->Skip;
}
sub mouse_event {
my ($self, $event) = @_;
my $point = $event->GetPosition;
my $pos = $self->point_to_model_units([ $point->x, $point->y ]); #]]
$pos = Slic3r::Point->new_scale(@$pos);
if ($event->ButtonDown(&Wx::wxMOUSE_BTN_LEFT)) {
$self->{on_select_object}->(undef);
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 { $_->contour->contains_point($pos) } @$thumbnail) {
$self->{on_select_object}->($obj_idx);
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
$pos->x - $instance_origin->[X],
$pos->y - $instance_origin->[Y], #-
];
$self->{drag_object} = [ $obj_idx, $instance_idx ];
}
}
}
$self->Refresh;
} elsif ($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($pos->[X] - $self->{drag_start_pos}[X]),
unscale($pos->[Y] - $self->{drag_start_pos}[Y]),
));
$model_object->update_bounding_box;
$self->Refresh;
} elsif ($event->Moving) {
my $cursor = wxSTANDARD_CURSOR;
if (defined first { $_->contour->contains_point($pos) } map @$_, map @{$_->instance_thumbnails}, @{ $self->{objects} }) {
$cursor = Wx::Cursor->new(wxCURSOR_HAND);
}
$self->SetCursor($cursor);
}
}
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
# scaling_factor is expressed in pixel / mm
my $width = $self->GetSize->GetWidth;
$self->{scaling_factor} = $width / max(@{ $self->{config}->bed_size })
if $width != 0;
}
sub clean_instance_thumbnails {
my ($self) = @_;
foreach my $object (@{ $self->{objects} }) {
@{ $object->instance_thumbnails } = ();
}
}
# coordinates of the model origin (0,0) in pixels
sub model_origin_to_pixel {
my ($self) = @_;
return [
$self->GetSize->GetWidth/2 - ($self->{config}->print_center->[X] * $self->{scaling_factor}),
$self->GetSize->GetHeight/2 - ($self->{config}->print_center->[Y] * $self->{scaling_factor}),
];
}
# convert a model coordinate into a pixel coordinate, assuming preview has square shape
sub point_to_pixel {
my ($self, $point) = @_;
my $canvas_height = $self->GetSize->GetHeight;
my $zero = $self->model_origin_to_pixel;
return [
$point->[X] * $self->{scaling_factor} + $zero->[X],
$canvas_height - ($point->[Y] * $self->{scaling_factor} + $zero->[Y]),
];
}
sub points_to_pixel {
my ($self, $points, $unscale) = @_;
my $result = [];
foreach my $point (@$points) {
$point = [ map unscale($_), @$point ] if $unscale;
push @$result, $self->point_to_pixel($point);
}
return $result;
}
sub point_to_model_units {
my ($self, $point) = @_;
my $canvas_height = $self->GetSize->GetHeight;
my $zero = $self->model_origin_to_pixel;
return [
($point->[X] - $zero->[X]) / $self->{scaling_factor},
(($canvas_height - $point->[Y] - $zero->[Y]) / $self->{scaling_factor}),
];
}
1;