void
TransferFunctionEditorWidget::transferFunctionChanged(QImage lookupTable)
{
update();
emit transferFunctionUpdated(lookupTable);
emit updateComposite();
}
void
RVolume::initGTK()
{
_optList.reset(new Gtk::VBox);//The Vbox of options
{//Transfer function widget
_transferFunction.reset(new magnet::gtk::TransferFunction
(magnet::function::MakeDelegate
(this, &RVolume::transferFunctionUpdated)));
_transferFunction->set_size_request(-1, 100);
_optList->add(*_transferFunction); _transferFunction->show();
transferFunctionUpdated(); //Force an update of the transfer function now we have the widget
}
{//Volume renderer step size
_stepSize.reset(new Gtk::Entry);
Gtk::HBox* box = manage(new Gtk::HBox);
Gtk::Label* label = manage(new Gtk::Label("Raytrace Step Size"));
box->pack_start(*label, false, false); label->show();
box->pack_end(*_stepSize, false, false);
_stepSize->show(); _stepSize->set_text("0.01");
_optList->add(*box); box->show();
}
{//Diffusive lighting
Gtk::HBox* box = manage(new Gtk::HBox);
Gtk::Label* label = manage(new Gtk::Label("Diffuse Lighting"));
box->pack_start(*label, false, false); label->show();
_diffusiveLighting.reset(new Gtk::HScale);
box->pack_end(*_diffusiveLighting, true, true);
_diffusiveLighting->set_range(0,2);
_diffusiveLighting->set_digits(3);
_diffusiveLighting->show();
_diffusiveLighting->set_value(1.0);
_optList->add(*box); box->show();
}
{//Specular lighting
Gtk::HBox* box = manage(new Gtk::HBox);
Gtk::Label* label = manage(new Gtk::Label("Specular Lighting"));
box->pack_start(*label, false, false); label->show();
_specularLighting.reset(new Gtk::HScale);
box->pack_end(*_specularLighting, true, true);
_specularLighting->set_range(0,2);
_specularLighting->set_digits(3);
_specularLighting->show();
_specularLighting->set_value(1.0);
_optList->add(*box); box->show();
}
{//Ray Dithering
Gtk::HBox* box = manage(new Gtk::HBox);
Gtk::Label* label = manage(new Gtk::Label("Ray Dithering"));
box->pack_start(*label, false, false); label->show();
_ditherRay.reset(new Gtk::HScale);
box->pack_end(*_ditherRay, true, true);
_ditherRay->set_range(0, 1);
_ditherRay->set_digits(3);
_ditherRay->show();
_ditherRay->set_value(1.0);
_optList->add(*box); box->show();
}
_optList->show();
//Callbacks
_stepSize->signal_changed()
.connect(sigc::bind<Gtk::Entry&>(&magnet::Gtk::forceNumericEntry, *_stepSize));
_stepSize->signal_activate().connect(sigc::mem_fun(*this, &RVolume::guiUpdate));
guiUpdate();
}
