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# The PDL::Graphics::TriD::Window is already partially defined in
# the appropriate gdriver (GL or VRML) items defined here are common
# to both
package PDL::Graphics::TriD::Window;
use strict;
use warnings;
use PDL::Graphics::TriD::ViewPort;
use Data::Dumper;
$PDL::Graphics::TriD::verbose //= 0;
sub new {
my($arg,$options) = @_;
print "PDL::Graphics::TriD::Window - calling SUPER::new...\n" if($PDL::Graphics::TriD::verbose);
my $this = $arg->SUPER::new();
print "PDL::Graphics::TriD::Window - got back $this\n" if($PDL::Graphics::TriD::verbose);
# Make sure the Graphics has been initialized
$options->{width} = 600 unless defined $options->{width};
$options->{height} = 600 unless defined $options->{height};
$this->{Width} = $options->{width};
$this->{Height} = $options->{height};
print "PDL::Graphics::TriD::Window: calling gdriver....\n" if($PDL::Graphics::TriD::verbose);
$this->{Interactive} = $this->gdriver($options);
print "PDL::Graphics::TriD::Window: gdriver gave back $this->{Interactive}....\n" if($PDL::Graphics::TriD::verbose);
# set default values
if($this->{Interactive}){
print "\tIt's interactive... calling ev_defaults...\n" if($PDL::Graphics::TriD::verbose);
$this->{Ev} = $this->ev_defaults();
print "\tcalling new_viewport...\n" if($PDL::Graphics::TriD::verbose);
$this->new_viewport(0,0,$this->{Width},$this->{Height});
}else{
$this->new_viewport(0,0,1,1);
}
$this->current_viewport(0);
return($this);
}
#
# adds to all viewports
#
sub add_object {
my($this,$object) = @_;
# print "add_object ",ref($this),"\n";
for(@{$this->{_ViewPorts}}) {
$_->add_object($object);
}
}
sub new_viewport {
my($this,$x0,$y0,$x1,$y1, $options) = @_;
my $vp = PDL::Graphics::TriD::ViewPort->new($x0,$y0,$x1,$y1);
print "Adding viewport $x0,$y0,$x1,$y1\n" if $PDL::Graphics::TriD::verbose;
push @{$this->{_ViewPorts}}, $vp;
if ($this->{Interactive}) {
# set a default controller
use PDL::Graphics::TriD::ArcBall;
use PDL::Graphics::TriD::SimpleScaler;
use PDL::Graphics::TriD::ScrollButtonScaler;
use PDL::Graphics::TriD::SimpleController;
if (defined($PDL::Graphics::TriD::offline) and $PDL::Graphics::TriD::offline==1 ) {
eval "use PDL::Graphics::TriD::VRML";
} else {
eval "use PDL::Graphics::TriD::GL";
}
my $ev = $options->{EHandler} // PDL::Graphics::TriD::EventHandler->new($vp);
my $cont = $options->{Transformer} // PDL::Graphics::TriD::SimpleController->new;
$vp->transformer($cont);
if (ref($ev)) {
$ev->set_button(0,PDL::Graphics::TriD::Orbiter->new($vp, 0, $cont->{WRotation}));
$ev->set_button(2,PDL::Graphics::TriD::SimpleScaler->new($vp, \$cont->{CDistance}));
$ev->set_button(3,PDL::Graphics::TriD::ScrollButtonScaler->new($vp, \$cont->{CDistance}, 0.9));
$ev->set_button(4,PDL::Graphics::TriD::ScrollButtonScaler->new($vp, \$cont->{CDistance}, 1.1));
$vp->eventhandler($ev);
}
}
print "new_viewport: ",ref($vp)," ",$#{$this->{_ViewPorts}},"\n" if $PDL::Graphics::TriD::verbose;
return $vp;
}
sub resize_viewport {
my($this,$x0,$y0,$x1,$y1,$vpnum) = @_;
$vpnum = $this->{_CurrentViewPort} unless(defined $vpnum);
my $vp;
if(defined($this->{_ViewPorts}[$vpnum])){
$vp = $this->{_ViewPorts}[$vpnum]->resize($x0,$y0,$x1,$y1);
}
return $vp;
}
sub current_viewport {
my($this,$num) = @_;
if(defined $num){
if(ref($num)){
my $cnt=0;
foreach (@{$this->{_ViewPorts}}){
if($num == $_){
$this->{_CurrentViewPort} = $cnt;
$_->{Active}=1;
}elsif(defined $_){
$_->{Active}=0;
}
$cnt++;
}
}else{
if(defined $this->{_ViewPorts}[$num]){
$this->{_CurrentViewPort} = $num;
$this->{_ViewPorts}[$num]->{Active}=1;
}else{
print "ERROR: ViewPort $num undefined\n";
}
}
}
return $this->{_ViewPorts}[$this->{_CurrentViewPort}];
}
sub viewports {
my ($this) = shift;
return $this->{_ViewPorts};
}
sub _vp_num_fromref {
my ($this,$vp) = @_;
if(! defined $vp){
$vp = $this->{_CurrentViewPort};
}elsif(ref($vp)){
my $cnt=0;
foreach(@{$this->{_ViewPorts}}){
last if($vp == $_);
$cnt++;
}
$vp = $cnt;
}
return $vp;
}
sub delete_viewport {
my($this, $vp) = @_;
my $cnt;
if(($cnt=$#{$this->{_ViewPorts}})<= 0){
print "WARNING: Cannot delete final viewport - request ignored\n";
return;
}
$vp = $this->_vp_num_fromref($vp);
$this->{_ViewPorts}[$vp]->DESTROY();
splice(@{$this->{_ViewPorts}},$vp,1);
if($vp == $cnt){
$this->current_viewport($vp-1);
}
}
sub clear_viewports {
my($this) = @_;
foreach(@{$this->{_ViewPorts}}){
$_->clear_objects();
}
}
sub clear_viewport {
my($this, $vp) = @_;
my $cnt;
$vp = $this->_vp_num_fromref($vp);
$this->{_ViewPorts}[$vp]->clear_objects();
}
sub set_eventhandler {
my($this,$handler) = @_;
$this->{EHandler} = $handler;
# for(@{$this->{_ViewPorts}}) {
# $_->eventhandler($handler);
# }
}
#sub set_transformer {
# my($this,$transformer) = @_;
#
# for(@{$this->{_ViewPorts}}) {
# $_->transformer($transformer);
# }
#}
sub AUTOLOAD {
my ($self,@args)=@_;
use vars qw($AUTOLOAD);
my $sub = $AUTOLOAD;
return if $sub =~ /::DESTROY$/;
# If an unrecognized function is called for window it trys to apply it
# to all of the defined ViewPorts
$sub =~ s/.*:://;
print "AUTOLOAD: $sub at ",__FILE__," line ", __LINE__ ,".\n"
if($PDL::Graphics::TriD::verbose);
print "Window AUTOLOADing '$sub': self=$self, args='".join("','",@args),"'\n" if($PDL::Graphics::TriD::verbose);
if($sub =~ /^gl/ && defined $self->{_GLObject}){
return $self->{_GLObject}->$sub(@args);
}
for(@{$self->{_ViewPorts}}) {
next unless defined $_;
$_->$sub(@args);
}
}
1;
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