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Pan & zoom for toolpaths preview

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This commit is contained in:
Alessandro Ranellucci 2015-05-16 00:33:22 +02:00
parent 97211f35e7
commit 80b169aa75
2 changed files with 128 additions and 22 deletions
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2
lib/Slic3r/GUI/3DScene.pm
View file

@ -593,7 +593,7 @@ sub Resize {
-$x/2, $x/2, -$y/2, $y/2,
-$depth, 2*$depth,
);
glMatrixMode(GL_MODELVIEW);
}

148
lib/Slic3r/GUI/Plater/2DToolpaths.pm
View file

@ -84,6 +84,7 @@ sub reload_print {
}
$self->{canvas}->bb($self->print->total_bounding_box);
$self->{canvas}->Resize;
my %z = (); # z => 1
foreach my $object (@{$self->{print}->objects}) {
@ -119,11 +120,19 @@ use Wx::Event qw(EVT_PAINT EVT_SIZE EVT_IDLE 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 List::Util qw(min max first);
use Slic3r::Geometry qw(scale unscale epsilon X Y);
use Slic3r::Print::State ':steps';
__PACKAGE__->mk_accessors(qw(print z layers color init bb _dirty));
__PACKAGE__->mk_accessors(qw(
print z layers color init
bb
_camera_bb
_dirty
_zoom
_camera_target
_drag_start_xy
));
# make OpenGL::Array thread-safe
{
@ -136,6 +145,10 @@ sub new {
my $self = $class->SUPER::new($parent);
$self->print($print);
$self->_zoom(1);
# 2D point in model space
$self->_camera_target(Slic3r::Pointf->new(0,0));
EVT_PAINT($self, sub {
my $dc = Wx::PaintDC->new($self);
@ -145,13 +158,83 @@ sub new {
EVT_IDLE($self, sub {
return unless $self->_dirty;
return if !$self->IsShownOnScreen;
$self->Resize( $self->GetSizeWH );
$self->Resize;
$self->Refresh;
});
EVT_MOUSEWHEEL($self, sub {
my ($self, $e) = @_;
# Calculate the zoom delta and apply it to the current zoom factor
my $zoom = $e->GetWheelRotation() / $e->GetWheelDelta();
$zoom = max(min($zoom, 4), -4);
$zoom /= 10;
$self->_zoom($self->_zoom / (1-$zoom));
$self->_zoom(1) if $self->_zoom > 1;
# In order to zoom around the mouse point we need to translate
# the camera target
my $size = Slic3r::Pointf->new($self->GetSizeWH);
my $pos = Slic3r::Pointf->new($e->GetX, $size->y - $e->GetY); #-
$self->_dirty(1);
$self->Resize;
$self->Refresh;
});
EVT_MOUSE_EVENTS($self, \&mouse_event);
return $self;
}
sub mouse_event {
my ($self, $e) = @_;
my $pos = Slic3r::Pointf->new($e->GetPositionXY);
if ($e->Entering && &Wx::wxMSW) {
# wxMSW needs focus in order to catch mouse wheel events
$self->SetFocus;
} elsif ($e->Dragging) {
if ($e->LeftIsDown || $e->MiddleIsDown || $e->RightIsDown) {
# if dragging, translate view
if (defined $self->_drag_start_xy) {
my $move = $self->_drag_start_xy->vector_to($pos); # in pixels
# get viewport and camera size in order to convert pixel to model units
my ($x, $y) = $self->GetSizeWH;
my $camera_bb_size = $self->_camera_bb->size;
my @translate = (
-$move->x * $camera_bb_size->x / $x,
$move->y * $camera_bb_size->y / $y, # /**
);
# keep camera_bb within total bb
if ($self->_camera_bb->x_min < $self->bb->x_min) {
$translate[X] += $self->bb->x_min - $self->_camera_bb->x_min;
}
if ($self->_camera_bb->y_min < $self->bb->y_min) {
$translate[Y] += $self->bb->y_min - $self->_camera_bb->y_min;
}
if ($self->_camera_bb->x_max > $self->bb->x_max) {
$translate[X] -= $self->_camera_bb->x_max - $self->bb->x_max;
}
if ($self->_camera_bb->y_max > $self->bb->y_max) {
$translate[Y] -= $self->_camera_bb->y_max - $self->bb->y_max;
}
$self->_camera_target->translate(@translate);
$self->Resize;
$self->Refresh;
}
$self->_drag_start_xy($pos);
}
} elsif ($e->LeftUp || $e->MiddleUp || $e->RightUp) {
$self->_drag_start_xy(undef);
} else {
$e->Skip();
}
}
sub set_z {
my ($self, $z) = @_;
@ -199,22 +282,6 @@ sub Render {
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, $y2, 0, 1);
glDisable(GL_DEPTH_TEST);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
@ -400,12 +467,51 @@ sub SetCurrent {
}
sub Resize {
my ($self, $x, $y) = @_;
my ($self) = @_;
return unless $self->GetContext;
return unless $self->bb;
$self->_dirty(0);
$self->SetCurrent($self->GetContext);
my ($x, $y) = $self->GetSizeWH;
glViewport(0, 0, $x, $y);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
my $bb = $self->bb->clone;
# center bounding box around origin before scaling it
my $bb_center = $bb->center;
$bb->translate(@{$bb_center->negative});
# scale bounding box according to zoom factor
$bb->scale($self->_zoom);
# reposition bounding box around original center
$bb->translate(@{$bb_center});
# translate camera
$bb->translate(@{$self->_camera_target});
# save camera
$self->_camera_bb($bb);
my ($x1, $y1, $x2, $y2) = ($bb->x_min, $bb->y_min, $bb->x_max, $bb->y_max);
if (($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);
glMatrixMode(GL_MODELVIEW);
}
sub line {