mirror of https://github.com/CGAL/cgal
Update of the Qt4 boolean operations demo
This commit is contained in:
Fernando Cacciola
parent
aa5fac11fe
commit
4f6fa50a18
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@ -85,7 +85,73 @@ void error_handler ( char const* what, char const* expr, char const* file, int l
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throw std::runtime_error("CGAL Error");
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}
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enum { RED, BLUE, RESULT } ;
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enum { BEZIER, LAST_KIND } ;
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QColor sPenColors [] = { QColor(255,0,0) , QColor(0,0,255) , QColor(0,255,0) } ;
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QColor sBrushColors[] = { QColor(255,0,0,64), QColor(0,0,255,64), QColor(0,255,0,200) } ;
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class Curve_set
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{
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public:
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virtual ~Curve_set() {}
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virtual CGAL::Qt::GraphicsItem* gi() const = 0 ;
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virtual CGAL::Qt::GraphicsItem* gi() = 0 ;
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virtual QRectF bounding_rect() const { return gi()->boundingRect() ; }
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virtual bool is_empty() const = 0 ;
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virtual void assign( Curve_set const& aOther ) = 0 ;
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virtual void intersect( Curve_set const& aOther ) = 0 ;
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protected:
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} ;
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typedef boost::shared_ptr<Curve_set> Curve_set_ptr ;
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typedef std::vector<Curve_set_ptr> Curve_set_vector ;
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typedef Curve_set_vector::iterator Curve_set_iterator ;
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class Bezier_curve_set : public Curve_set
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{
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public:
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Bezier_curve_set ( int aGroup ) : mGI( new Bezier_GI(&mSet) )
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{
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mGI->setPen (QPen ( sPenColors [aGroup], 1, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin));
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mGI->setBrush(QBrush( sBrushColors[aGroup] ));
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}
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virtual CGAL::Qt::GraphicsItem* gi() const { return mGI; }
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virtual CGAL::Qt::GraphicsItem* gi() { return mGI; }
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virtual bool is_empty() const { return mSet.is_empty() ; }
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virtual void assign( Curve_set const& aOther )
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{
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Bezier_curve_set const& lOther = dynamic_cast<Bezier_curve_set const&>(aOther);
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mSet = lOther.mSet;
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}
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virtual void intersect( Curve_set const& aOther )
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{
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Bezier_curve_set const& lOther = dynamic_cast<Bezier_curve_set const&>(aOther);
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mSet.intersection(lOther.mSet);
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}
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private:
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Bezier_GI* mGI;
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Bezier_polygon_set mSet ;
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} ;
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//global variable to aid naming windows
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int winsOpened=2;
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@ -98,24 +164,12 @@ class MainWindow :
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private:
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QGraphicsScene mScene;
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bool mBezier_red_active ;
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Bezier_GI* mBezier_red_GI;
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Bezier_GI* mBezier_blue_GI;
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Bezier_GI* mBezier_result_GI;
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Bezier_polygon_with_holes_list mBezier_red_set ;
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Bezier_polygon_with_holes_list mBezier_blue_set ;
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Bezier_polygon_with_holes_list mBezier_result_set ;
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QGraphicsScene mScene;
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bool mRed_active ;
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Curve_set_vector mCurve_sets ;
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private:
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bool isEmpty( Bezier_polygon_with_holes_list const& aList ) const { return aList.size() == 0 || aList.front().outer_boundary().size() == 0 ; }
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bool isRedEmpty () const { return isEmpty(mBezier_red_set); }
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bool isBlueEmpty () const { return isEmpty(mBezier_blue_set); }
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bool isResultEmpty() const { return isEmpty(mBezier_result_set); }
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public:
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MainWindow();
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@ -170,9 +224,15 @@ signals:
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private:
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Curve_set& set( int aKind, int aGroup ) { return *mCurve_sets[ (aKind*3) + aGroup ] ; }
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Curve_set& active_set( int aKind ) { return set(aKind, mRed_active ? RED : BLUE) ; }
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Curve_set& result_set( int aKind ) { return set(aKind, RESULT) ; }
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void MakeRedActive(bool checked)
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{
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mBezier_red_active = checked ;
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mRed_active = checked ;
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}
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};
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@ -180,7 +240,7 @@ private:
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MainWindow::MainWindow()
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: DemosMainWindow()
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, mBezier_red_active(true)
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, mRed_active(true)
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{
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CGAL::set_error_handler (error_handler);
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CGAL::set_warning_handler(error_handler);
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@ -189,25 +249,16 @@ MainWindow::MainWindow()
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setAcceptDrops(true);
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mBezier_red_GI = new Bezier_GI(&mBezier_red_set);
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mBezier_blue_GI = new Bezier_GI(&mBezier_blue_set);
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mBezier_result_GI = new Bezier_GI(&mBezier_result_set);
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QObject::connect(this, SIGNAL(changed()), mBezier_red_GI , SLOT(modelChanged()));
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QObject::connect(this, SIGNAL(changed()), mBezier_blue_GI , SLOT(modelChanged()));
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QObject::connect(this, SIGNAL(changed()), mBezier_result_GI, SLOT(modelChanged()));
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mCurve_sets.push_back( Curve_set_ptr(new Bezier_curve_set(RED) ) ) ;
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mCurve_sets.push_back( Curve_set_ptr(new Bezier_curve_set(BLUE) ) ) ;
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mCurve_sets.push_back( Curve_set_ptr(new Bezier_curve_set(RESULT) ) ) ;
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mBezier_red_GI ->setPen (QPen (Qt::red , 1, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin));
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mBezier_blue_GI ->setPen (QPen (Qt::blue , 1, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin));
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mBezier_result_GI->setPen (QPen (Qt::green, 1, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin));
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mBezier_red_GI ->setBrush(QBrush(QColor(255,0,0,64) ));
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mBezier_blue_GI ->setBrush(QBrush(QColor(0,0,255,64) ));
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mBezier_result_GI->setBrush(QBrush(QColor(0,255,0,200) ));
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mScene.addItem(mBezier_red_GI);
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mScene.addItem(mBezier_blue_GI);
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mScene.addItem(mBezier_result_GI);
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for( Curve_set_iterator si = mCurve_sets.begin(); si != mCurve_sets.end() ; ++ si )
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{
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CGAL::Qt::GraphicsItem* lGI = (*si)->gi() ;
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QObject::connect(this, SIGNAL(changed()), lGI, SLOT(modelChanged()));
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mScene.addItem( lGI );
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}
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//
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// Setup the mScene and the view
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@ -251,8 +302,10 @@ void MainWindow::dropEvent(QDropEvent *event)
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event->acceptProposedAction();
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}
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std::size_t read_Bezier_polygon_with_holes ( QString aFileName, Bezier_polygon_with_holes_list& rList )
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bool read_Bezier_polygon_with_holes ( QString aFileName, Bezier_polygon_set& rSet )
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{
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bool rOK = false ;
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if( ! aFileName.isEmpty() && aFileName.endsWith(".dat") )
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{
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std::ifstream in_file (qPrintable(aFileName));
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@ -279,7 +332,7 @@ std::size_t read_Bezier_polygon_with_holes ( QString aFileName, Bezier_polygon_w
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std::list<Bezier_X_monotone_curve> xcvs;
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Bezier_rat_kernel ker;
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Bezier_rat_kernel::Equal_2 equal = ker.equal_2_object();
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Bezier_polygon_list polygons ;
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Bezier_polygon_vector polygons ;
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for ( unsigned int k = 0; k < n_curves; ++ k )
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{
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@ -329,14 +382,16 @@ std::size_t read_Bezier_polygon_with_holes ( QString aFileName, Bezier_polygon_w
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}
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// Construct the polygon with holes.
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std::list<Bezier_polygon>::iterator pit = polygons.begin(); ++pit;
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rList.push_back( Bezier_polygon_with_holes(polygons.front(), pit, polygons.end()) ) ;
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Bezier_polygon_vector::iterator pit = polygons.begin(); ++pit;
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rSet.insert( Bezier_polygon_with_holes(polygons.front(), pit, polygons.end()) ) ;
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rOK = true ;
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}
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}
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}
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return rList.size();
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return rOK ;
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}
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void MainWindow::on_actionOpenBezier_triggered()
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@ -346,15 +401,16 @@ void MainWindow::on_actionOpenBezier_triggered()
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void MainWindow::on_actionIntersection_triggered()
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{
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if ( !isRedEmpty() && !isBlueEmpty() )
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for ( int k = BEZIER; k != LAST_KIND ; ++ k )
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{
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Bezier_polygon_with_holes const& lRed = *mBezier_red_set .begin();
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Bezier_polygon_with_holes const& lBlue = *mBezier_blue_set.begin();
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intersection( lRed, lBlue, std::back_inserter(mBezier_result_set) ) ;
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emit(changed());
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if ( !set(k,RED).is_empty() && !set(k,RED).is_empty() )
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{
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set(k,RESULT).assign( set(k,RED) ) ;
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set(k,RESULT).intersect(set(k,BLUE));
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}
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}
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emit(changed());
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}
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void MainWindow::open( QString fileName )
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@ -363,7 +419,8 @@ void MainWindow::open( QString fileName )
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{
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if(fileName.endsWith(".dat"))
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{
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if( read_Bezier_polygon_with_holes(fileName, mBezier_red_active ? mBezier_red_set : mBezier_blue_set ) > 0 )
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Bezier_polygon_set& lSet = dynamic_cast<Bezier_polygon_set&>(active_set(BEZIER));
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if( read_Bezier_polygon_with_holes(fileName,lSet) )
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{
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emit(changed());
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zoomToFit();
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@ -375,21 +432,20 @@ void MainWindow::open( QString fileName )
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void MainWindow::zoomToFit()
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{
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boost::optional<QRectF> lRedRect ;
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boost::optional<QRectF> lBlueRect ;
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boost::optional<QRectF> lResultRect ;
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boost::optional<QRectF> lTotalRect ;
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if ( !mBezier_red_GI->isModelEmpty() )
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lRedRect = mBezier_red_GI->boundingRect() ;
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if ( !mBezier_blue_GI->isModelEmpty() )
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lBlueRect = mBezier_blue_GI->boundingRect() ;
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if ( !mBezier_result_GI->isModelEmpty() )
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lResultRect = mBezier_result_GI->boundingRect() ;
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lTotalRect = lRedRect ;
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for ( Curve_set_iterator si = mCurve_sets.begin() ; si != mCurve_sets.end() ; ++ si )
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{
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Curve_set& lSet = **si ;
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if ( !lSet.is_empty() )
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{
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QRectF lRect = lSet.bounding_rect();
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if ( lTotalRect )
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lTotalRect = *lTotalRect | lRect ;
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else lTotalRect = lRect ;
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}
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}
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if ( lTotalRect )
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{
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@ -40,36 +40,38 @@ namespace CGAL {
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namespace Qt {
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template <typename Bezier_polygon_with_holes_>
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template <typename Bezier_polygon_set_>
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class BezierPolygonWithHolesGraphicsItem : public GraphicsItem
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{
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typedef Bezier_polygon_with_holes_ Bezier_polygon_with_holes ;
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typedef typename Bezier_polygon_with_holes::General_polygon_2 Bezier_polygon ;
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typedef std::list<Bezier_polygon_with_holes> Bezier_polygon_with_holes_list ;
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typedef typename Bezier_polygon::Traits_2 Bezier_traits;
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typedef typename Bezier_traits::Point_2 Bezier_point;
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typedef Bezier_polygon_set_ Bezier_polygon_set ;
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typedef typename Bezier_polygon_set::Base Bezier_general_polygon_set ;
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typedef typename Bezier_general_polygon_set::Polygon_with_holes_2 Bezier_polygon_with_holes ;
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typedef typename Bezier_general_polygon_set::Polygon_2 Bezier_polygon ;
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typedef typename Bezier_polygon_set::Traits_2 Bezier_traits;
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typedef typename Bezier_traits::Point_2 Bezier_point;
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typedef std::vector<Bezier_polygon_with_holes> Bezier_polygon_with_holes_vector ;
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typedef Simple_cartesian<double> Linear_kernel ;
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typedef Polygon_2<Linear_kernel> Linear_polygon ;
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typedef Polygon_with_holes_2<Linear_kernel> Linear_polygon_with_holes ;
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typedef std::vector<Linear_polygon_with_holes> Linear_polygon_with_holes_vector ;
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typedef Simple_cartesian<double> Linear_kernel ;
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typedef Polygon_2<Linear_kernel> Linear_polygon ;
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typedef Polygon_with_holes_2<Linear_kernel> Linear_polygon_with_holes ;
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typedef std::list<Linear_polygon_with_holes> Linear_polygon_with_holes_list ;
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typedef typename Bezier_polygon_with_holes_list::const_iterator Bezier_pwh_list_const_iterator ;
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typedef typename Linear_polygon_with_holes_list::const_iterator Linear_pwh_list_const_iterator ;
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typedef typename Linear_polygon_with_holes::Hole_const_iterator Linear_hole_const_itertator ;
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typedef typename Linear_polygon::Vertex_const_iterator Linear_vertex_const_iterator ;
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typedef typename Bezier_polygon_with_holes_vector::const_iterator Bezier_pwh_const_iterator ;
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typedef typename Linear_polygon_with_holes_vector::const_iterator Linear_pwh_const_iterator ;
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typedef typename Linear_polygon_with_holes::Hole_const_iterator Linear_hole_const_itertator ;
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typedef typename Linear_polygon::Vertex_const_iterator Linear_vertex_const_iterator ;
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typedef Converter<Linear_kernel> ToQtConverter;
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public:
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BezierPolygonWithHolesGraphicsItem( Bezier_polygon_with_holes_list* aList );
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BezierPolygonWithHolesGraphicsItem( Bezier_polygon_set* aSet );
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void modelChanged();
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public:
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bool isModelEmpty() const { return !mBList || mBList->size() == 0 || mBList->front().outer_boundary().size() == 0 ; }
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bool isModelEmpty() const { return !mBSet || mBSet->is_empty() ; }
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QRectF boundingRect() const { return mBounding_rect ; }
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@ -93,19 +95,19 @@ protected:
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protected:
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Bezier_polygon_with_holes_list* mBList;
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Linear_polygon_with_holes_list mPList ;
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QRectF mBounding_rect;
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QBrush mBrush;
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QPen mPen;
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Bezier_polygon_set* mBSet;
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Linear_polygon_with_holes_vector mPList ;
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QRectF mBounding_rect;
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QBrush mBrush;
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QPen mPen;
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ToQtConverter to_Qt;
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};
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template <typename Bezier_polygon_with_holes>
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BezierPolygonWithHolesGraphicsItem<Bezier_polygon_with_holes>::BezierPolygonWithHolesGraphicsItem(Bezier_polygon_with_holes_list* aList)
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: mBList(aList)
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BezierPolygonWithHolesGraphicsItem<Bezier_polygon_with_holes>::BezierPolygonWithHolesGraphicsItem(Bezier_polygon_set* aSet)
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: mBSet(aSet)
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{
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if( ! isModelEmpty() )
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updateBoundingBox();
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@ -136,16 +138,13 @@ void BezierPolygonWithHolesGraphicsItem<Bezier_polygon_with_holes>::dump_linear_
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template <typename Bezier_polygon_with_holes>
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void BezierPolygonWithHolesGraphicsItem<Bezier_polygon_with_holes>::paint( QPainter* aPainter
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, const QStyleOptionGraphicsItem* aOption
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, QWidget* aWidget
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)
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void BezierPolygonWithHolesGraphicsItem<Bezier_polygon_with_holes>::paint( QPainter* aPainter, const QStyleOptionGraphicsItem* aOption, QWidget* aWidget )
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{
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if ( ! isModelEmpty() )
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{
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QPainterPath lPath;
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for ( Linear_pwh_list_const_iterator rit = mPList.begin() ; rit != mPList.end() ; ++ rit )
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for ( Linear_pwh_const_iterator rit = mPList.begin() ; rit != mPList.end() ; ++ rit )
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{
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dump_linear_polygon(rit->outer_boundary(), lPath);
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@ -172,17 +171,22 @@ void BezierPolygonWithHolesGraphicsItem<Bezier_polygon_with_holes>::updateBoundi
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boost::optional<Bbox_2> lBBox ;
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for ( Linear_pwh_list_const_iterator rit = mPList.begin() ; rit != mPList.end() ; ++ rit )
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for ( Linear_pwh_const_iterator rit = mPList.begin() ; rit != mPList.end() ; ++ rit )
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{
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if ( !lBBox )
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lBBox = rit->outer_boundary().bbox();
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else lBBox = *lBBox + rit->outer_boundary().bbox();
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if ( lBBox )
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lBBox = *lBBox + rit->outer_boundary().bbox();
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else lBBox = rit->outer_boundary().bbox();
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for ( Linear_hole_const_itertator hit = rit->holes_begin() ; hit != rit->holes_end() ; ++ hit )
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lBBox = *lBBox + hit->bbox();
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{
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if ( lBBox )
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lBBox = *lBBox + hit->bbox();
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else lBBox = hit->bbox();
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}
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}
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mBounding_rect = to_Qt(*lBBox);
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if ( lBBox )
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mBounding_rect = to_Qt(*lBBox);
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}
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}
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@ -205,7 +209,9 @@ void BezierPolygonWithHolesGraphicsItem<Bezier_polygon_with_holes>::updateSample
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if ( !isModelEmpty() )
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{
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mPList.clear();
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for( Bezier_pwh_list_const_iterator lit = mBList->begin(); lit != mBList->end(); ++ lit )
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Bezier_polygon_with_holes_vector vec ;
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mBSet->polygons_with_holes( std::back_inserter(vec) ) ;
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for( Bezier_pwh_const_iterator lit = vec.begin(); lit != vec.end(); ++ lit )
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{
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Bezier_polygon_with_holes const& lBezier_pwh = *lit ;
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Linear_polygon_with_holes lLinear_pwh ;
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@ -50,7 +50,6 @@ typedef CGAL::General_polygon_with_holes_2<Polygon_2> Polygon_with_holes;
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typedef CGAL::General_polygon_set_2<Traits> Polygon_set;
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typedef Polygon_with_holes::Hole_const_iterator Hole_const_iterator;
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typedef CGAL::Polygon_2<Kernel> Linear_polygon_2;
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typedef CGAL::Polygon_with_holes_2<Kernel> Linear_polygon_with_holes_2;
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@ -74,12 +73,11 @@ typedef Bezier_traits_2::Curve_2 Bezier_curve;
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typedef Bezier_traits_2::X_monotone_curve_2 Bezier_X_monotone_curve;
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typedef CGAL::Gps_traits_2<Bezier_traits_2> Bezier_gps_traits;
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typedef Bezier_gps_traits::General_polygon_2 Bezier_polygon;
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typedef std::vector<Bezier_polygon> Bezier_polygon_vector ;
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typedef Bezier_gps_traits::General_polygon_with_holes_2 Bezier_polygon_with_holes;
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typedef std::list<Bezier_polygon> Bezier_polygon_list ;
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typedef std::list<Bezier_polygon_with_holes> Bezier_polygon_with_holes_list ;
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typedef Bezier_polygon_with_holes_list::const_iterator Bezier_pwhl_const_iterator ;
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typedef CGAL::General_polygon_set_2<Bezier_gps_traits> Bezier_polygon_set ;
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typedef CGAL::Qt::BezierPolygonWithHolesGraphicsItem<Bezier_polygon_with_holes> Bezier_GI;
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typedef CGAL::Qt::BezierPolygonWithHolesGraphicsItem<Bezier_polygon_set> Bezier_GI;
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#endif
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Loading…
Reference in New Issue