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#include <QtCore/qglobal.h>
#include <CGAL/Three/Scene_item.h>
#include <CGAL/Three/Scene_interface.h>
#include <CGAL/boost/graph/generators.h>
#include <QAction>
#include <QMainWindow>
#include <QMessageBox>
#include <QApplication>
#include "Scene_surface_mesh_item.h"
#include <CGAL/Three/CGAL_Lab_plugin_interface.h>
using namespace CGAL::Three;
class Create_bbox_mesh_plugin :
public QObject,
public CGAL::Three::CGAL_Lab_plugin_interface
{
Q_OBJECT
Q_INTERFACES(CGAL::Three::CGAL_Lab_plugin_interface)
Q_PLUGIN_METADATA(IID "com.geometryfactory.CGALLab.PluginInterface/1.0")
public:
void init(QMainWindow* mainWindow, Scene_interface* scene_interface, Messages_interface*);
QList<QAction*> actions() const;
bool applicable(QAction*) const
{
bool at_least_one_non_empty = false;
for(int index : scene->selectionIndices())
{
Scene_item* item = scene->item(index);
if(!item->isFinite())
return false;
if(!item->isEmpty())
at_least_one_non_empty = true;
}
return at_least_one_non_empty;
}
protected:
bool bbox(bool extended = false);
public Q_SLOTS:
void createBbox()
{
QApplication::setOverrideCursor(Qt::WaitCursor);
const bool res = bbox();
QApplication::restoreOverrideCursor();
if(!res)
QMessageBox::warning(mw, "Error", "Failed to compute the bounding box.");
}
void createExtendedBbox()
{
QApplication::setOverrideCursor(Qt::WaitCursor);
const bool res = bbox(true);
QApplication::restoreOverrideCursor();
if(!res)
QMessageBox::warning(mw, "Error", "Failed to compute the extended bounding box");
}
private:
Scene_interface* scene;
QMainWindow* mw;
QAction* actionBbox;
QAction* actionExtendedBbox;
};
void
Create_bbox_mesh_plugin::
init(QMainWindow* mainWindow,
Scene_interface* scene_interface,
Messages_interface*)
{
scene = scene_interface;
mw = mainWindow;
actionBbox = new QAction(tr("Create &Bounding Box"), mainWindow);
actionBbox->setObjectName("createBboxMeshAction");
connect(actionBbox, SIGNAL(triggered()),
this, SLOT(createBbox()));
actionExtendedBbox = new QAction(tr("Create &Extended Bounding Box"), mainWindow);
actionExtendedBbox->setObjectName("createExtendedBboxMeshAction");
connect(actionExtendedBbox, SIGNAL(triggered()),
this, SLOT(createExtendedBbox()));
}
QList<QAction*>
Create_bbox_mesh_plugin::
actions() const
{
return QList<QAction*>() << actionBbox << actionExtendedBbox;
}
bool
Create_bbox_mesh_plugin::
bbox(bool extended)
{
Scene_interface::Bbox bbox;
int item_count = 0;
QString name;
for(int index : scene->selectionIndices())
{
Scene_item* item = scene->item(index);
if(item->isFinite() && !item->isEmpty())
{
if(item_count > 0)
{
bbox = bbox + item->bbox();
if(item_count == 1)
name = name + " and others";
}
else
{
bbox = item->bbox();
name = item->name();
}
++item_count;
}
}
if(item_count == 0)
return false;
std::cout << "bbox: " << bbox.xmin() << " | " << bbox.xmax()
<< "\n " << bbox.ymin() << " | " << bbox.ymax()
<< "\n " << bbox.zmin() << " | " << bbox.zmax()
<< std::endl;
if(extended)
{
const double delta_x = ( bbox.xmax() - bbox.xmin() ) / 20.;
const double delta_y = ( bbox.ymax() - bbox.ymin() ) / 20.;
const double delta_z = ( bbox.zmax() - bbox.zmin() ) / 20.;
bbox = Scene_interface::Bbox(bbox.xmin() - delta_x,
bbox.ymin() - delta_y,
bbox.zmin() - delta_z,
bbox.xmax() + delta_x,
bbox.ymax() + delta_y,
bbox.zmax() + delta_z);
std::cout << "extended bbox: " << bbox.xmin() << " | " << bbox.xmax()
<< "\n " << bbox.ymin() << " | " << bbox.ymax()
<< "\n " << bbox.zmin() << " | " << bbox.zmax()
<< std::endl;
}
if((bbox.min)(0) > (bbox.max)(0) ||
(bbox.min)(1) > (bbox.max)(1) ||
(bbox.min)(2) > (bbox.max)(2))
{
return false;
}
Scene_item* item;
EPICK::Iso_cuboid_3 ic(bbox);
SMesh* p = new SMesh;
CGAL::make_hexahedron(ic, *p);
item = new Scene_surface_mesh_item(p);
item->setName(name + (extended ? " (Extended Bbox)" : " (Bbox)"));
item->setRenderingMode(Wireframe);
item->setColor(Qt::black);
scene->addItem(item);
return true;
}
#include "Create_bbox_mesh_plugin.moc"
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