PrusaSlicer-NonPlainar/lib/Slic3r/GUI/Plater/2DToolpaths.pm

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package Slic3r::GUI::Plater::2DToolpaths;
use strict;
use warnings;
use utf8;
use Slic3r::Print::State ':steps';
use Wx qw(:misc :sizer :slider :statictext wxWHITE);
use Wx::Event qw(EVT_SLIDER EVT_KEY_DOWN);
use base qw(Wx::Panel Class::Accessor);
__PACKAGE__->mk_accessors(qw(print enabled));
sub new {
my $class = shift;
my ($parent, $print) = @_;
my $self = $class->SUPER::new($parent, -1, wxDefaultPosition);
$self->SetBackgroundColour(wxWHITE);
# init GUI elements
my $canvas = $self->{canvas} = Slic3r::GUI::Plater::2DToolpaths::Canvas->new($self, $print);
my $slider = $self->{slider} = Wx::Slider->new(
$self, -1,
0, # default
0, # min
# we set max to a bogus non-zero value because the MSW implementation of wxSlider
# will skip drawing the slider if max <= min:
1, # max
wxDefaultPosition,
wxDefaultSize,
wxVERTICAL | wxSL_INVERSE,
);
my $z_label = $self->{z_label} = Wx::StaticText->new($self, -1, "", wxDefaultPosition,
[40,-1], wxALIGN_CENTRE_HORIZONTAL);
$z_label->SetFont($Slic3r::GUI::small_font);
my $vsizer = Wx::BoxSizer->new(wxVERTICAL);
$vsizer->Add($slider, 1, wxALL | wxEXPAND | wxALIGN_CENTER, 3);
$vsizer->Add($z_label, 0, wxALL | wxEXPAND | wxALIGN_CENTER, 3);
my $sizer = Wx::BoxSizer->new(wxHORIZONTAL);
$sizer->Add($canvas, 1, wxALL | wxEXPAND, 0);
$sizer->Add($vsizer, 0, wxTOP | wxBOTTOM | wxEXPAND, 5);
EVT_SLIDER($self, $slider, sub {
$self->set_z($self->{layers_z}[$slider->GetValue])
if $self->enabled;
});
EVT_KEY_DOWN($canvas, sub {
my ($s, $event) = @_;
my $key = $event->GetKeyCode;
if ($key == 85 || $key == 315) {
$slider->SetValue($slider->GetValue + 1);
$self->set_z($self->{layers_z}[$slider->GetValue]);
} elsif ($key == 68 || $key == 317) {
$slider->SetValue($slider->GetValue - 1);
$self->set_z($self->{layers_z}[$slider->GetValue]);
}
});
$self->SetSizer($sizer);
$self->SetMinSize($self->GetSize);
$sizer->SetSizeHints($self);
# init print
$self->{print} = $print;
$self->reload_print;
return $self;
}
sub reload_print {
my ($self) = @_;
# we require that there's at least one object and the posSlice step
# is performed on all of them (this ensures that _shifted_copies was
# populated and we know the number of layers)
if (!$self->print->object_step_done(STEP_SLICE)) {
$self->enabled(0);
$self->{slider}->Hide;
$self->{canvas}->Refresh; # clears canvas
return;
}
$self->{canvas}->bb($self->print->total_bounding_box);
my %z = (); # z => 1
foreach my $object (@{$self->{print}->objects}) {
foreach my $layer (@{$object->layers}, @{$object->support_layers}) {
$z{$layer->print_z} = 1;
}
}
$self->enabled(1);
$self->{layers_z} = [ sort { $a <=> $b } keys %z ];
$self->{slider}->SetRange(0, scalar(@{$self->{layers_z}})-1);
if ((my $z_idx = $self->{slider}->GetValue) <= $#{$self->{layers_z}}) {
$self->set_z($self->{layers_z}[$z_idx]);
} else {
$self->{slider}->SetValue(0);
$self->set_z($self->{layers_z}[0]) if @{$self->{layers_z}};
}
$self->{slider}->Show;
$self->Layout;
}
sub set_z {
my ($self, $z) = @_;
return if !$self->enabled;
$self->{z_label}->SetLabel(sprintf '%.2f', $z);
$self->{canvas}->set_z($z);
}
package Slic3r::GUI::Plater::2DToolpaths::Canvas;
use Wx::Event qw(EVT_PAINT EVT_SIZE EVT_ERASE_BACKGROUND EVT_MOUSEWHEEL EVT_MOUSE_EVENTS);
use OpenGL qw(:glconstants :glfunctions :glufunctions :gluconstants);
use base qw(Wx::GLCanvas Class::Accessor);
use Wx::GLCanvas qw(:all);
use List::Util qw(min first);
use Slic3r::Geometry qw(scale unscale epsilon);
use Slic3r::Print::State ':steps';
__PACKAGE__->mk_accessors(qw(print z layers color init bb));
# make OpenGL::Array thread-safe
{
no warnings 'redefine';
*OpenGL::Array::CLONE_SKIP = sub { 1 };
}
sub new {
my ($class, $parent, $print) = @_;
my $self = $class->SUPER::new($parent);
$self->print($print);
EVT_PAINT($self, sub {
my $dc = Wx::PaintDC->new($self);
$self->Render($dc);
});
EVT_SIZE($self, sub {
return if !$self->IsShownOnScreen;
$self->Resize( $self->GetSizeWH );
$self->Refresh;
});
return $self;
}
sub set_z {
my ($self, $z) = @_;
my $print = $self->print;
# can we have interlaced layers?
my $interlaced = (defined first { $_->config->support_material } @{$print->objects})
|| (defined first { $_->config->infill_every_layers > 1 } @{$print->regions});
my $max_layer_height = $print->max_allowed_layer_height;
my @layers = ();
foreach my $object (@{$print->objects}) {
foreach my $layer (@{$object->layers}, @{$object->support_layers}) {
if ($interlaced) {
push @layers, $layer
if $z > ($layer->print_z - $max_layer_height - epsilon)
&& $z <= $layer->print_z + epsilon;
} else {
push @layers, $layer if abs($layer->print_z - $z) < epsilon;
}
}
}
$self->z($z);
$self->layers([ @layers ]);
$self->Refresh;
}
sub Render {
my ($self, $dc) = @_;
# prevent calling SetCurrent() when window is not shown yet
return unless $self->IsShownOnScreen;
return unless my $context = $self->GetContext;
$self->SetCurrent($context);
$self->InitGL;
glClearColor(1, 1, 1, 0);
glClear(GL_COLOR_BUFFER_BIT);
if (!$self->GetParent->enabled || !$self->layers) {
glFlush();
$self->SwapBuffers;
return;
}
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
my $bb = $self->bb;
my ($x1, $y1, $x2, $y2) = ($bb->x_min, $bb->y_min, $bb->x_max, $bb->y_max);
my ($x, $y) = $self->GetSizeWH;
if (($x2 - $x1)/($y2 - $y1) > $x/$y) {
# adjust Y
my $new_y = $y * ($x2 - $x1) / $x;
$y1 = ($y2 + $y1)/2 - $new_y/2;
$y2 = $y1 + $new_y;
} else {
my $new_x = $x * ($y2 - $y1) / $y;
$x1 = ($x2 + $x1)/2 - $new_x/2;
$x2 = $x1 + $new_x;
}
glOrtho($x1, $x2, $y1, $y2, 0, 1);
glDisable(GL_DEPTH_TEST);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
# anti-alias
if (0) {
glEnable(GL_LINE_SMOOTH);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glHint(GL_LINE_SMOOTH_HINT, GL_DONT_CARE);
glHint(GL_POLYGON_SMOOTH_HINT, GL_DONT_CARE);
}
my $tess;
if (!(&Wx::wxMSW && $OpenGL::VERSION < 0.6704)) {
# We can't use the GLU tesselator on MSW with older OpenGL versions
# because of an upstream bug:
# http://sourceforge.net/p/pogl/bugs/16/
$tess = gluNewTess();
gluTessCallback($tess, GLU_TESS_BEGIN, 'DEFAULT');
gluTessCallback($tess, GLU_TESS_END, 'DEFAULT');
gluTessCallback($tess, GLU_TESS_VERTEX, 'DEFAULT');
gluTessCallback($tess, GLU_TESS_COMBINE, 'DEFAULT');
gluTessCallback($tess, GLU_TESS_ERROR, 'DEFAULT');
gluTessCallback($tess, GLU_TESS_EDGE_FLAG, 'DEFAULT');
}
foreach my $layer (@{$self->layers}) {
my $object = $layer->object;
# only draw the slice for the current layer
next unless abs($layer->print_z - $self->z) < epsilon;
# draw slice contour
glLineWidth(1);
foreach my $copy (@{ $object->_shifted_copies }) {
glPushMatrix();
glTranslatef(@$copy, 0);
foreach my $slice (@{$layer->slices}) {
glColor3f(0.95, 0.95, 0.95);
if ($tess) {
gluTessBeginPolygon($tess);
foreach my $polygon (@$slice) {
gluTessBeginContour($tess);
gluTessVertex_p($tess, @$_, 0) for @$polygon;
gluTessEndContour($tess);
}
gluTessEndPolygon($tess);
}
glColor3f(0.9, 0.9, 0.9);
foreach my $polygon (@$slice) {
foreach my $line (@{$polygon->lines}) {
glBegin(GL_LINES);
glVertex2f(@{$line->a});
glVertex2f(@{$line->b});
glEnd();
}
}
}
glPopMatrix();
}
}
my $skirt_drawn = 0;
my $brim_drawn = 0;
foreach my $layer (@{$self->layers}) {
my $object = $layer->object;
my $print_z = $layer->print_z;
# draw brim
if ($self->print->step_done(STEP_BRIM) && $layer->id == 0 && !$brim_drawn) {
$self->color([0, 0, 0]);
$self->_draw(undef, $print_z, $_) for @{$self->print->brim};
$brim_drawn = 1;
}
if ($self->print->step_done(STEP_SKIRT)
&& ($self->print->config->skirt_height == -1 || $self->print->config->skirt_height > $layer->id)
&& !$skirt_drawn) {
$self->color([0, 0, 0]);
$self->_draw(undef, $print_z, $_) for @{$self->print->skirt};
$skirt_drawn = 1;
}
foreach my $layerm (@{$layer->regions}) {
if ($object->step_done(STEP_PERIMETERS)) {
$self->color([0.7, 0, 0]);
$self->_draw($object, $print_z, $_) for map @$_, @{$layerm->perimeters};
}
if ($object->step_done(STEP_INFILL)) {
$self->color([0, 0, 0.7]);
$self->_draw($object, $print_z, $_) for map @$_, @{$layerm->fills};
}
}
if ($object->step_done(STEP_SUPPORTMATERIAL)) {
if ($layer->isa('Slic3r::Layer::Support')) {
$self->color([0, 0, 0]);
$self->_draw($object, $print_z, $_) for @{$layer->support_fills};
$self->_draw($object, $print_z, $_) for @{$layer->support_interface_fills};
}
}
}
gluDeleteTess($tess) if $tess;
glFlush();
$self->SwapBuffers;
}
sub _draw {
my ($self, $object, $print_z, $path) = @_;
my @paths = $path->isa('Slic3r::ExtrusionLoop')
? @$path
: ($path);
$self->_draw_path($object, $print_z, $_) for @paths;
}
sub _draw_path {
my ($self, $object, $print_z, $path) = @_;
return if $print_z - $path->height > $self->z - epsilon;
if (abs($print_z - $self->z) < epsilon) {
glColor3f(@{$self->color});
} else {
glColor3f(0.8, 0.8, 0.8);
}
glLineWidth(1);
if (defined $object) {
foreach my $copy (@{ $object->_shifted_copies }) {
glPushMatrix();
glTranslatef(@$copy, 0);
foreach my $line (@{$path->polyline->lines}) {
glBegin(GL_LINES);
glVertex2f(@{$line->a});
glVertex2f(@{$line->b});
glEnd();
}
glPopMatrix();
}
} else {
foreach my $line (@{$path->polyline->lines}) {
glBegin(GL_LINES);
glVertex2f(@{$line->a});
glVertex2f(@{$line->b});
glEnd();
}
}
}
sub InitGL {
my $self = shift;
return if $self->init;
return unless $self->GetContext;
$self->init(1);
}
sub GetContext {
my ($self) = @_;
if (Wx::wxVERSION >= 2.009) {
return $self->{context} ||= Wx::GLContext->new($self);
} else {
return $self->SUPER::GetContext;
}
}
sub SetCurrent {
my ($self, $context) = @_;
if (Wx::wxVERSION >= 2.009) {
return $self->SUPER::SetCurrent($context);
} else {
return $self->SUPER::SetCurrent;
}
}
sub Resize {
my ($self, $x, $y) = @_;
return unless $self->GetContext;
$self->SetCurrent($self->GetContext);
glViewport(0, 0, $x, $y);
}
sub line {
my (
$x1, $y1, $x2, $y2, # coordinates of the line
$w, # width/thickness of the line in pixel
$Cr, $Cg, $Cb, # RGB color components
$Br, $Bg, $Bb, # color of background when alphablend=false
# Br=alpha of color when alphablend=true
$alphablend, # use alpha blend or not
) = @_;
my $t;
my $R;
my $f = $w - int($w);
my $A;
if ($alphablend) {
$A = $Br;
} else {
$A = 1;
}
# determine parameters t,R
if ($w >= 0 && $w < 1) {
$t = 0.05; $R = 0.48 + 0.32 * $f;
if (!$alphablend) {
$Cr += 0.88 * (1-$f);
$Cg += 0.88 * (1-$f);
$Cb += 0.88 * (1-$f);
$Cr = 1.0 if ($Cr > 1.0);
$Cg = 1.0 if ($Cg > 1.0);
$Cb = 1.0 if ($Cb > 1.0);
} else {
$A *= $f;
}
} elsif ($w >= 1.0 && $w < 2.0) {
$t = 0.05 + $f*0.33; $R = 0.768 + 0.312*$f;
} elsif ($w >= 2.0 && $w < 3.0) {
$t = 0.38 + $f*0.58; $R = 1.08;
} elsif ($w >= 3.0 && $w < 4.0) {
$t = 0.96 + $f*0.48; $R = 1.08;
} elsif ($w >= 4.0 && $w < 5.0) {
$t= 1.44 + $f*0.46; $R = 1.08;
} elsif ($w >= 5.0 && $w < 6.0) {
$t= 1.9 + $f*0.6; $R = 1.08;
} elsif ($w >= 6.0) {
my $ff = $w - 6.0;
$t = 2.5 + $ff*0.50; $R = 1.08;
}
#printf( "w=%f, f=%f, C=%.4f\n", $w, $f, $C);
# determine angle of the line to horizontal
my $tx = 0; my $ty = 0; # core thinkness of a line
my $Rx = 0; my $Ry = 0; # fading edge of a line
my $cx = 0; my $cy = 0; # cap of a line
my $ALW = 0.01;
my $dx = $x2 - $x1;
my $dy = $y2 - $y1;
if (abs($dx) < $ALW) {
# vertical
$tx = $t; $ty = 0;
$Rx = $R; $Ry = 0;
if ($w > 0.0 && $w < 1.0) {
$tx *= 8;
} elsif ($w == 1.0) {
$tx *= 10;
}
} elsif (abs($dy) < $ALW) {
#horizontal
$tx = 0; $ty = $t;
$Rx = 0; $Ry = $R;
if ($w > 0.0 && $w < 1.0) {
$ty *= 8;
} elsif ($w == 1.0) {
$ty *= 10;
}
} else {
if ($w < 3) { # approximate to make things even faster
my $m = $dy/$dx;
# and calculate tx,ty,Rx,Ry
if ($m > -0.4142 && $m <= 0.4142) {
# -22.5 < $angle <= 22.5, approximate to 0 (degree)
$tx = $t * 0.1; $ty = $t;
$Rx = $R * 0.6; $Ry = $R;
} elsif ($m > 0.4142 && $m <= 2.4142) {
# 22.5 < $angle <= 67.5, approximate to 45 (degree)
$tx = $t * -0.7071; $ty = $t * 0.7071;
$Rx = $R * -0.7071; $Ry = $R * 0.7071;
} elsif ($m > 2.4142 || $m <= -2.4142) {
# 67.5 < $angle <= 112.5, approximate to 90 (degree)
$tx = $t; $ty = $t*0.1;
$Rx = $R; $Ry = $R*0.6;
} elsif ($m > -2.4142 && $m < -0.4142) {
# 112.5 < angle < 157.5, approximate to 135 (degree)
$tx = $t * 0.7071; $ty = $t * 0.7071;
$Rx = $R * 0.7071; $Ry = $R * 0.7071;
} else {
# error in determining angle
printf("error in determining angle: m=%.4f\n", $m);
}
} else { # calculate to exact
$dx= $y1 - $y2;
$dy= $x2 - $x1;
my $L = sqrt($dx*$dx + $dy*$dy);
$dx /= $L;
$dy /= $L;
$cx = -0.6*$dy; $cy=0.6*$dx;
$tx = $t*$dx; $ty = $t*$dy;
$Rx = $R*$dx; $Ry = $R*$dy;
}
}
# draw the line by triangle strip
glBegin(GL_TRIANGLE_STRIP);
if (!$alphablend) {
glColor3f($Br, $Bg, $Bb);
} else {
glColor4f($Cr, $Cg, $Cb, 0);
}
glVertex2f($x1 - $tx - $Rx, $y1 - $ty - $Ry); # fading edge
glVertex2f($x2 - $tx - $Rx, $y2 - $ty - $Ry);
if (!$alphablend) {
glColor3f($Cr, $Cg, $Cb);
} else {
glColor4f($Cr, $Cg, $Cb, $A);
}
glVertex2f($x1 - $tx, $y1 - $ty); # core
glVertex2f($x2 - $tx, $y2 - $ty);
glVertex2f($x1 + $tx, $y1 + $ty);
glVertex2f($x2 + $tx, $y2 + $ty);
if ((abs($dx) < $ALW || abs($dy) < $ALW) && $w <= 1.0) {
# printf("skipped one fading edge\n");
} else {
if (!$alphablend) {
glColor3f($Br, $Bg, $Bb);
} else {
glColor4f($Cr, $Cg, $Cb, 0);
}
glVertex2f($x1 + $tx+ $Rx, $y1 + $ty + $Ry); # fading edge
glVertex2f($x2 + $tx+ $Rx, $y2 + $ty + $Ry);
}
glEnd();
# cap
if ($w < 3) {
# do not draw cap
} else {
# draw cap
glBegin(GL_TRIANGLE_STRIP);
if (!$alphablend) {
glColor3f($Br, $Bg, $Bb);
} else {
glColor4f($Cr, $Cg, $Cb, 0);
}
glVertex2f($x1 - $Rx + $cx, $y1 - $Ry + $cy);
glVertex2f($x1 + $Rx + $cx, $y1 + $Ry + $cy);
glColor3f($Cr, $Cg, $Cb);
glVertex2f($x1 - $tx - $Rx, $y1 - $ty - $Ry);
glVertex2f($x1 + $tx + $Rx, $y1 + $ty + $Ry);
glEnd();
glBegin(GL_TRIANGLE_STRIP);
if (!$alphablend) {
glColor3f($Br, $Bg, $Bb);
} else {
glColor4f($Cr, $Cg, $Cb, 0);
}
glVertex2f($x2 - $Rx - $cx, $y2 - $Ry - $cy);
glVertex2f($x2 + $Rx - $cx, $y2 + $Ry - $cy);
glColor3f($Cr, $Cg, $Cb);
glVertex2f($x2 - $tx - $Rx, $y2 - $ty - $Ry);
glVertex2f($x2 + $tx + $Rx, $y2 + $ty + $Ry);
glEnd();
}
}
package Slic3r::GUI::Plater::2DToolpaths::Dialog;
use Wx qw(:dialog :id :misc :sizer);
use Wx::Event qw(EVT_CLOSE);
use base 'Wx::Dialog';
sub new {
my $class = shift;
my ($parent, $print) = @_;
my $self = $class->SUPER::new($parent, -1, "Toolpaths", wxDefaultPosition, [500,500], wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER);
my $sizer = Wx::BoxSizer->new(wxVERTICAL);
$sizer->Add(Slic3r::GUI::Plater::2DToolpaths->new($self, $print), 1, wxEXPAND, 0);
$self->SetSizer($sizer);
$self->SetMinSize($self->GetSize);
# needed to actually free memory
EVT_CLOSE($self, sub {
$self->EndModal(wxID_OK);
$self->Destroy;
});
return $self;
}
1;