3DPrinting/PrusaSlicer-NonPlainar
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Fixes a performance issues on Windows, where the cut is being

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refreshed many times for a single move of the Z plane.

Fixes a problem on Windows, where the new wxWidgets always returned
Cancel, even if the window was closed with the "Cut" button.

Improved performance if the live preview is disabled or not needed,
because both top and bottom parts shall be displayed.
This commit is contained in:
bubnikv 2016-06-03 10:35:39 +02:00
parent 5573faec6b
commit 62b440ff6c
1 changed files with 84 additions and 23 deletions
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107
lib/Slic3r/GUI/Plater/ObjectCutDialog.pm
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@ -15,6 +15,11 @@ sub new {
$self->{model_object_idx} = $params{model_object_idx};
$self->{model_object} = $params{model_object};
$self->{new_model_objects} = [];
# Mark whether the mesh cut is valid.
# If not, it needs to be recalculated by _update() on wxTheApp->CallAfter() or on exit of the dialog.
$self->{mesh_cut_valid} = 0;
# Note whether the window was already closed, so a pending update is not executed.
$self->{already_closed} = 0;
# cut options
$self->{cut_options} = {
@ -31,11 +36,18 @@ sub new {
title => 'Cut',
on_change => sub {
my ($opt_id) = @_;
$self->{cut_options}{$opt_id} = $optgroup->get_value($opt_id);
wxTheApp->CallAfter(sub {
$self->_update;
});
# There seems to be an issue with wxWidgets 3.0.2/3.0.3, where the slider
# genates tens of events for a single value change.
# Only trigger the recalculation if the value changes
# or a live preview was activated and the mesh cut is not valid yet.
if ($self->{cut_options}{$opt_id} != $optgroup->get_value($opt_id) ||
! $self->{mesh_cut_valid} && $self->_life_preview_active()) {
$self->{cut_options}{$opt_id} = $optgroup->get_value($opt_id);
$self->{mesh_cut_valid} = 0;
wxTheApp->CallAfter(sub {
$self->_update;
});
}
},
label_width => 120,
);
@ -113,6 +125,10 @@ sub new {
$self->{sizer}->SetSizeHints($self);
EVT_BUTTON($self, $self->{btn_cut}, sub {
# Recalculate the cut if the preview was not active.
$self->_perform_cut() unless $self->{mesh_cut_valid};
# Adjust position / orientation of the split object halves.
if ($self->{new_model_objects}{lower}) {
if ($self->{cut_options}{rotate_lower}) {
$self->{new_model_objects}{lower}->rotate(PI, X);
@ -123,41 +139,86 @@ sub new {
$self->{new_model_objects}{upper}->center_around_origin; # align to Z = 0
}
# Note that the window was already closed, so a pending update will not be executed.
$self->{already_closed} = 1;
$self->EndModal(wxID_OK);
$self->Close;
$self->Destroy();
});
EVT_CLOSE($self, sub {
# Note that the window was already closed, so a pending update will not be executed.
$self->{already_closed} = 1;
$self->EndModal(wxID_CANCEL);
$self->Destroy();
});
$self->_update;
return $self;
}
# scale Z down to original size since we're using the transformed mesh for 3D preview
# and cut dialog but ModelObject::cut() needs Z without any instance transformation
sub _mesh_slice_z_pos
{
my ($self) = @_;
return $self->{cut_options}{z} / $self->{model_object}->instances->[0]->scaling_factor;
}
# Only perform live preview if just a single part of the object shall survive.
sub _life_preview_active
{
my ($self) = @_;
return $self->{cut_options}{preview} && ($self->{cut_options}{keep_upper} != $self->{cut_options}{keep_lower});
}
# Slice the mesh, keep the top / bottom part.
sub _perform_cut
{
my ($self) = @_;
# Early exit. If the cut is valid, don't recalculate it.
return if $self->{mesh_cut_valid};
my $z = $self->_mesh_slice_z_pos();
my ($new_model) = $self->{model_object}->cut($z);
my ($upper_object, $lower_object) = @{$new_model->objects};
$self->{new_model} = $new_model;
$self->{new_model_objects} = {};
if ($self->{cut_options}{keep_upper} && $upper_object->volumes_count > 0) {
$self->{new_model_objects}{upper} = $upper_object;
}
if ($self->{cut_options}{keep_lower} && $lower_object->volumes_count > 0) {
$self->{new_model_objects}{lower} = $lower_object;
}
$self->{mesh_cut_valid} = 1;
}
sub _update {
my ($self) = @_;
# Don't update if the window was already closed.
# We are not sure whether the action planned by wxTheApp->CallAfter() may be triggered after the window is closed.
# Probably not, but better be safe than sorry, which is espetially true on multiple platforms.
return if $self->{already_closed};
# Only recalculate the cut, if the live cut preview is active.
my $life_preview_active = $self->_life_preview_active();
$self->_perform_cut() if $life_preview_active;
{
# scale Z down to original size since we're using the transformed mesh for 3D preview
# and cut dialog but ModelObject::cut() needs Z without any instance transformation
my $z = $self->{cut_options}{z} / $self->{model_object}->instances->[0]->scaling_factor;
{
my ($new_model) = $self->{model_object}->cut($z);
my ($upper_object, $lower_object) = @{$new_model->objects};
$self->{new_model} = $new_model;
$self->{new_model_objects} = {};
if ($self->{cut_options}{keep_upper} && $upper_object->volumes_count > 0) {
$self->{new_model_objects}{upper} = $upper_object;
}
if ($self->{cut_options}{keep_lower} && $lower_object->volumes_count > 0) {
$self->{new_model_objects}{lower} = $lower_object;
}
}
my $z = $self->_mesh_slice_z_pos();
# update canvas
if ($self->{canvas}) {
# get volumes to render
my @objects = ();
if ($self->{cut_options}{preview}) {
if ($life_preview_active) {
push @objects, values %{$self->{new_model_objects}};
} else {
push @objects, $self->{model_object};