[Boost-commit] svn:boost r76950 - sandbox/gtl/libs/polygon/voronoi_example

Subject: [Boost-commit] svn:boost r76950 - sandbox/gtl/libs/polygon/voronoi_example
From: sydorchuk.andriy_at_[hidden]
Date: 2012-02-08 16:26:49

Author: asydorchuk
Date: 2012-02-08 16:26:48 EST (Wed, 08 Feb 2012)
New Revision: 76950
URL: http://svn.boost.org/trac/boost/changeset/76950

Log:
Code styling voronoi visualizer.
Text files modified: 
   sandbox/gtl/libs/polygon/voronoi_example/voronoi_visualizer.cpp |   524 ++++++++++++++++++++--------------------
   1 files changed, 262 insertions(+), 262 deletions(-)

Modified: sandbox/gtl/libs/polygon/voronoi_example/voronoi_visualizer.cpp
==============================================================================
--- sandbox/gtl/libs/polygon/voronoi_example/voronoi_visualizer.cpp	(original)
+++ sandbox/gtl/libs/polygon/voronoi_example/voronoi_visualizer.cpp	2012-02-08 16:26:48 EST (Wed, 08 Feb 2012)
@@ -17,292 +17,292 @@
 using namespace boost::polygon;
 
 class GLWidget : public QGLWidget {
-    Q_OBJECT
+  Q_OBJECT
 public:
-    GLWidget(QMainWindow *parent = NULL) :
-            QGLWidget(QGLFormat(QGL::SampleBuffers), parent),
-            primary_edges_only_(false) {
-        startTimer(40);
-    }
-
-    QSize sizeHint() const {
-        return QSize(600, 600);
-    }
-
-    void build(QString file_path) {
-        ipoint_set_type point_sites;
-        isegment_set_type segment_sites;
-
-        // Open file.
-        QFile data(file_path);
-        if (!data.open(QFile::ReadOnly))
-            QMessageBox::warning(this, tr("Voronoi Visualizer"),
-                                 tr("Disable to open file ") + file_path);
-
-        // Read points from the file.
-        QTextStream in_stream(&data);
-        int num_point_sites = 0;
-        int num_edge_sites = 0;
-        int x1, y1, x2, y2;
-        in_stream >> num_point_sites;
-        for (int i = 0; i < num_point_sites; i++) {
-            in_stream >> x1 >> y1;
-            point_sites.push_back(ipoint_type(x1, y1));
-        }
-        in_stream >> num_edge_sites;
-        for (int i = 0; i < num_edge_sites; i++) {
-            in_stream >> x1 >> y1 >> x2 >> y2;
-            segment_sites.insert(isegment_type(
-                ipoint_type(x1, y1), ipoint_type(x2, y2)));
-        }
-        in_stream.flush();
-
-        // Build voronoi diagram.
-        vd_.clear();
-        construct_voronoi(point_sites, segment_sites, &vd_);
-        brect_ = voronoi_utils<coordinate_type>::get_view_rectangle(
-            vd_.bounding_rectangle(), 1.4);
-        shift_ = point_data<double>((brect_.x_min() + brect_.x_max()) * 0.5,
-                                    (brect_.y_min() + brect_.y_max()) * 0.5);
-
-        // Update view.
-        update_view_port();
-    }
-
-    void show_primary_edges_only() {
-        primary_edges_only_ ^= true;
-    }
+  GLWidget(QMainWindow *parent = NULL) :
+      QGLWidget(QGLFormat(QGL::SampleBuffers), parent),
+      primary_edges_only_(false) {
+    startTimer(40);
+  }
+
+  QSize sizeHint() const {
+    return QSize(600, 600);
+  }
+
+  void build(QString file_path) {
+    ipoint_set_type point_sites;
+    isegment_set_type segment_sites;
+
+    // Open file.
+    QFile data(file_path);
+    if (!data.open(QFile::ReadOnly)) {
+      QMessageBox::warning(this, tr("Voronoi Visualizer"),
+                           tr("Disable to open file ") + file_path);
+    }
+
+    // Read points from the file.
+    QTextStream in_stream(&data);
+    int num_point_sites = 0;
+    int num_edge_sites = 0;
+    int x1, y1, x2, y2;
+    in_stream >> num_point_sites;
+    for (int i = 0; i < num_point_sites; ++i) {
+      in_stream >> x1 >> y1;
+      point_sites.push_back(ipoint_type(x1, y1));
+    }
+    in_stream >> num_edge_sites;
+    for (int i = 0; i < num_edge_sites; ++i) {
+      in_stream >> x1 >> y1 >> x2 >> y2;
+      segment_sites.insert(isegment_type(ipoint_type(x1, y1),
+                                         ipoint_type(x2, y2)));
+    }
+    in_stream.flush();
+
+    // Build voronoi diagram.
+    vd_.clear();
+    construct_voronoi(point_sites, segment_sites, &vd_);
+    brect_ = voronoi_utils<coordinate_type>::get_view_rectangle(
+        vd_.bounding_rectangle(), 1.4);
+    shift_ = point_data<double>((brect_.x_min() + brect_.x_max()) * 0.5,
+                                (brect_.y_min() + brect_.y_max()) * 0.5);
+
+    // Update view.
+    update_view_port();
+  }
+
+  void show_primary_edges_only() {
+    primary_edges_only_ ^= true;
+  }
 
 protected:
-	void initializeGL() {
-		glHint(GL_POINT_SMOOTH_HINT, GL_NICEST);
-		glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-		glEnable(GL_BLEND);
-		glEnable(GL_POINT_SMOOTH);
-	}
-
-    void paintGL() {
-		qglClearColor(QColor::fromRgb(0, 0, 0));
-        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
-        // Draw voronoi sites.
-        {
-            const voronoi_cells_type &cells = vd_.cell_records();
-            voronoi_cell_const_iterator_type it;
-            glColor3f(0.0f, 0.0f, 1.0f);
-            glPointSize(6);
-            glBegin(GL_POINTS);
-            for (it = cells.begin(); it != cells.end(); it++) {
-                if (!it->contains_segment())
-                    glVertex2f(it->point0().x() - shift_.x(),
-                               it->point0().y() - shift_.y());
-            }
-            glEnd();
-            glPointSize(4);
-            glLineWidth(2.0f);
-            glBegin(GL_LINES);
-            for (it = cells.begin(); it != cells.end(); it++) {
-                if (it->contains_segment()) {
-                    glVertex2f(it->point0().x() - shift_.x(),
-                               it->point0().y() - shift_.y());
-                    glVertex2f(it->point1().x() - shift_.x(),
-                               it->point1().y() - shift_.y());
-                }
-            }
-            glEnd();
-            glLineWidth(1.0);
+  void initializeGL() {
+    glHint(GL_POINT_SMOOTH_HINT, GL_NICEST);
+    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+    glEnable(GL_BLEND);
+    glEnable(GL_POINT_SMOOTH);
+  }
+
+  void paintGL() {
+    qglClearColor(QColor::fromRgb(0, 0, 0));
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+    // Draw voronoi sites.
+    {
+      const voronoi_cells_type &cells = vd_.cell_records();
+      voronoi_cell_const_iterator_type it;
+      glColor3f(0.0f, 0.0f, 1.0f);
+      glPointSize(6);
+      glBegin(GL_POINTS);
+      for (it = cells.begin(); it != cells.end(); ++it) {
+        if (!it->contains_segment()) {
+          glVertex2f(it->point0().x() - shift_.x(),
+                     it->point0().y() - shift_.y());
         }
-
-        // Draw voronoi vertices.
-        {
-            const voronoi_vertices_type &vertices = vd_.vertex_records();
-            voronoi_vertex_const_iterator_type it;
-            glColor3f(0.0f, 1.0f, 0.0f);
-            glBegin(GL_POINTS);
-            for (it = vertices.begin(); it != vertices.end(); it++)
-                glVertex2f(it->vertex().x() - shift_.x(),
-                           it->vertex().y() - shift_.y());
-            glEnd();
+      }
+      glEnd();
+      glPointSize(4);
+      glLineWidth(2.0f);
+      glBegin(GL_LINES);
+      for (it = cells.begin(); it != cells.end(); ++it) {
+        if (it->contains_segment()) {
+          glVertex2f(it->point0().x() - shift_.x(),
+                     it->point0().y() - shift_.y());
+          glVertex2f(it->point1().x() - shift_.x(),
+                     it->point1().y() - shift_.y());
         }
-
-        // Draw voronoi edges.
-        {
-            const voronoi_edges_type &edges = vd_.edge_records();
-            voronoi_edge_const_iterator_type it;
-            glColor3f(0.0f, 1.0f, 0.0f);
-            glBegin(GL_LINES);
-            for (it = edges.begin(); it != edges.end(); it++) {
-                if (!it->is_primary() && primary_edges_only_)
-                    continue;
-                std::vector<opoint_type> temp_v =
-                    voronoi_utils<coordinate_type>::get_point_interpolation(
-                        &(*it), brect_, 1E-3);
-                for (int i = 0; i < static_cast<int>(temp_v.size()) - 1; i++) {
-                    glVertex2f(temp_v[i].x() - shift_.x(),
-                               temp_v[i].y() - shift_.y());
-                    glVertex2f(temp_v[i+1].x() - shift_.x(),
-                               temp_v[i+1].y() - shift_.y());
-                }
-            }
-            glEnd();
+      }
+      glEnd();
+      glLineWidth(1.0);
+    }
+
+    // Draw voronoi vertices.
+    {
+      const voronoi_vertices_type &vertices = vd_.vertex_records();
+      voronoi_vertex_const_iterator_type it;
+      glColor3f(0.0f, 1.0f, 0.0f);
+      glBegin(GL_POINTS);
+      for (it = vertices.begin(); it != vertices.end(); ++it) {
+        glVertex2f(it->vertex().x() - shift_.x(),
+                   it->vertex().y() - shift_.y());
+      }
+      glEnd();
+    }
+
+    // Draw voronoi edges.
+    {
+      const voronoi_edges_type &edges = vd_.edge_records();
+      voronoi_edge_const_iterator_type it;
+      glColor3f(0.0f, 1.0f, 0.0f);
+      glBegin(GL_LINES);
+      for (it = edges.begin(); it != edges.end(); ++it) {
+        if (!it->is_primary() && primary_edges_only_) {
+          continue;
         }
+        std::vector<opoint_type> temp_v =
+          voronoi_utils<coordinate_type>::get_point_interpolation(
+              &(*it), brect_, 1E-3);
+        for (int i = 0; i < static_cast<int>(temp_v.size()) - 1; ++i) {
+          glVertex2f(temp_v[i].x() - shift_.x(), temp_v[i].y() - shift_.y());
+          glVertex2f(temp_v[i+1].x() - shift_.x(), temp_v[i+1].y() - shift_.y());
+        }
+      }
+      glEnd();
     }
+  }
 
-    void resizeGL(int width, int height) {
-        int side = qMin(width, height);
-        glViewport((width - side) / 2, (height - side) / 2, side, side);
-    }
-
-    void timerEvent(QTimerEvent *) {
-        update();
-    }
+  void resizeGL(int width, int height) {
+    int side = qMin(width, height);
+    glViewport((width - side) / 2, (height - side) / 2, side, side);
+  }
+
+  void timerEvent(QTimerEvent *) {
+    update();
+  }
 
 private:
-    void update_view_port() {
-        glMatrixMode(GL_PROJECTION);
-        glLoadIdentity();
-        glOrtho(brect_.x_min() - shift_.x(),
-                brect_.x_max() - shift_.x(),
-                brect_.y_min() - shift_.y(),
-                brect_.y_max() - shift_.y(),
-                -1.0, 1.0);
-        glMatrixMode(GL_MODELVIEW);
-    }
-
-    typedef double coordinate_type;
-    typedef point_data<int> ipoint_type;
-    typedef point_data<double> opoint_type;
-    typedef directed_line_segment_data<int> isegment_type;
-    typedef std::vector<ipoint_type> ipoint_set_type;
-    typedef directed_line_segment_set_data<int> isegment_set_type;
-    typedef voronoi_diagram<coordinate_type>::voronoi_cells_type
-        voronoi_cells_type;
-    typedef voronoi_diagram<coordinate_type>::voronoi_vertices_type
-        voronoi_vertices_type;
-    typedef voronoi_diagram<coordinate_type>::voronoi_edges_type
-        voronoi_edges_type;
-    typedef voronoi_diagram<coordinate_type>::voronoi_cell_const_iterator_type
-        voronoi_cell_const_iterator_type;
-    typedef voronoi_diagram<coordinate_type>::voronoi_vertex_const_iterator_type
-        voronoi_vertex_const_iterator_type;
-    typedef voronoi_diagram<coordinate_type>::voronoi_edge_const_iterator_type
-        voronoi_edge_const_iterator_type;
-    bounding_rectangle<coordinate_type> brect_;
-    point_data<double> shift_;
-    voronoi_diagram<coordinate_type> vd_;
-    bool primary_edges_only_;
+  void update_view_port() {
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(brect_.x_min() - shift_.x(), brect_.x_max() - shift_.x(),
+            brect_.y_min() - shift_.y(), brect_.y_max() - shift_.y(),
+            -1.0, 1.0);
+    glMatrixMode(GL_MODELVIEW);
+  }
+
+  typedef double coordinate_type;
+  typedef point_data<int> ipoint_type;
+  typedef point_data<double> opoint_type;
+  typedef directed_line_segment_data<int> isegment_type;
+  typedef std::vector<ipoint_type> ipoint_set_type;
+  typedef directed_line_segment_set_data<int> isegment_set_type;
+  typedef voronoi_diagram<coordinate_type>::voronoi_cells_type
+    voronoi_cells_type;
+  typedef voronoi_diagram<coordinate_type>::voronoi_vertices_type
+    voronoi_vertices_type;
+  typedef voronoi_diagram<coordinate_type>::voronoi_edges_type
+    voronoi_edges_type;
+  typedef voronoi_diagram<coordinate_type>::voronoi_cell_const_iterator_type
+    voronoi_cell_const_iterator_type;
+  typedef voronoi_diagram<coordinate_type>::voronoi_vertex_const_iterator_type
+    voronoi_vertex_const_iterator_type;
+  typedef voronoi_diagram<coordinate_type>::voronoi_edge_const_iterator_type
+    voronoi_edge_const_iterator_type;
+  bounding_rectangle<coordinate_type> brect_;
+  point_data<double> shift_;
+  voronoi_diagram<coordinate_type> vd_;
+  bool primary_edges_only_;
 };
 
 class MainWindow : public QWidget {
-    Q_OBJECT
+  Q_OBJECT
 public:
-    MainWindow() {
-        glWidget_ = new GLWidget();
-        file_dir_ = QDir(QDir::currentPath(), tr("*.txt"));
-        file_name_ = tr("");
-
-        QHBoxLayout *centralLayout = new QHBoxLayout;
-        centralLayout->addWidget(glWidget_);
-        centralLayout->addLayout(create_file_layout());
-        setLayout(centralLayout);
-
-        update_file_list();
-        setWindowTitle(tr("Voronoi Visualizer"));
-        layout()->setSizeConstraint(QLayout::SetFixedSize);
-    }
+  MainWindow() {
+    glWidget_ = new GLWidget();
+    file_dir_ = QDir(QDir::currentPath(), tr("*.txt"));
+    file_name_ = tr("");
+
+    QHBoxLayout *centralLayout = new QHBoxLayout;
+    centralLayout->addWidget(glWidget_);
+    centralLayout->addLayout(create_file_layout());
+    setLayout(centralLayout);
+
+    update_file_list();
+    setWindowTitle(tr("Voronoi Visualizer"));
+    layout()->setSizeConstraint(QLayout::SetFixedSize);
+  }
 
 private slots:
-    void primary_edges_only() {
-        glWidget_->show_primary_edges_only();
-    }
-
-    void browse() {
-        QString new_path = QFileDialog::getExistingDirectory(
-            0, tr("Choose Directory"), file_dir_.absolutePath());
-        if (new_path.isEmpty())
-            return;
-        file_dir_.setPath(new_path);
-        update_file_list();
-    }
-
-    void build() {
-        file_name_ = file_list_->currentItem()->text();
-        QString file_path = file_dir_.filePath(file_name_);
-        message_label_->setText("Building...");
-        glWidget_->build(file_path);
-        message_label_->setText(
-            "Double click the item to build voronoi diagram:");
-        setWindowTitle(tr("Voronoi Visualizer - ") + file_path);
-    }
-
-    void print_scr() {
-        if (!file_name_.isEmpty()) {
-            QImage screenshot = glWidget_->grabFrameBuffer(true);
-            QString output_file = file_dir_.absolutePath() + tr("/") +
-                file_name_.left(file_name_.indexOf('.')) + tr(".png");
-            screenshot.save(output_file, 0, -1);
-        }
+  void primary_edges_only() {
+    glWidget_->show_primary_edges_only();
+  }
+
+  void browse() {
+    QString new_path = QFileDialog::getExistingDirectory(
+        0, tr("Choose Directory"), file_dir_.absolutePath());
+    if (new_path.isEmpty()) {
+      return;
+    }
+    file_dir_.setPath(new_path);
+    update_file_list();
+  }
+
+  void build() {
+    file_name_ = file_list_->currentItem()->text();
+    QString file_path = file_dir_.filePath(file_name_);
+    message_label_->setText("Building...");
+    glWidget_->build(file_path);
+    message_label_->setText("Double click the item to build voronoi diagram:");
+    setWindowTitle(tr("Voronoi Visualizer - ") + file_path);
+  }
+
+  void print_scr() {
+    if (!file_name_.isEmpty()) {
+      QImage screenshot = glWidget_->grabFrameBuffer(true);
+      QString output_file = file_dir_.absolutePath() + tr("/") +
+          file_name_.left(file_name_.indexOf('.')) + tr(".png");
+      screenshot.save(output_file, 0, -1);
     }
+  }
 
 private:
-    QGridLayout *create_file_layout() {
-        QGridLayout *file_layout = new QGridLayout;
-
-        message_label_ = new QLabel(
-            "Double click item to build voronoi diagram:");
+  QGridLayout *create_file_layout() {
+    QGridLayout *file_layout = new QGridLayout;
 
-        file_list_ = new QListWidget();
-        file_list_->connect(file_list_,
-                            SIGNAL(itemDoubleClicked(QListWidgetItem*)),
-                            this,
-                            SLOT(build()));
-
-        QCheckBox *primary_checkbox = new QCheckBox(
-            "Show primary edges only.");
-        connect(primary_checkbox, SIGNAL(clicked()),
-                this, SLOT(primary_edges_only()));
-
-        QPushButton *browse_button =
-            new QPushButton(tr("Browse Input Directory"));
-        connect(browse_button, SIGNAL(clicked()), this, SLOT(browse()));
-        browse_button->setMinimumHeight(50);
-
-        QPushButton *print_scr_button = new QPushButton(tr("Make Screenshot"));
-        connect(print_scr_button, SIGNAL(clicked()), this, SLOT(print_scr()));
-        print_scr_button->setMinimumHeight(50);
-
-        file_layout->addWidget(message_label_, 0, 0);
-        file_layout->addWidget(file_list_, 1, 0);
-        file_layout->addWidget(primary_checkbox, 2, 0);
-        file_layout->addWidget(browse_button, 3, 0);
-        file_layout->addWidget(print_scr_button, 4, 0);
-
-        return file_layout;
-    }
-
-    void update_file_list() {
-        QFileInfoList list = file_dir_.entryInfoList();
-        file_list_->clear();
-        if (file_dir_.count() == 0)
-            return;
-        QFileInfoList::const_iterator it;
-        for (it = list.begin(); it != list.end(); it++)
-            file_list_->addItem(it->fileName());
-        file_list_->setCurrentRow(0);
-    }
+    message_label_ = new QLabel("Double click item to build voronoi diagram:");
 
-    QDir file_dir_;
-    QString file_name_;
-    GLWidget *glWidget_;
-    QListWidget *file_list_;
-    QLabel *message_label_;
+    file_list_ = new QListWidget();
+    file_list_->connect(file_list_,
+                        SIGNAL(itemDoubleClicked(QListWidgetItem*)),
+                        this,
+                        SLOT(build()));
+
+    QCheckBox *primary_checkbox = new QCheckBox("Show primary edges only.");
+    connect(primary_checkbox, SIGNAL(clicked()),
+        this, SLOT(primary_edges_only()));
+
+    QPushButton *browse_button =
+        new QPushButton(tr("Browse Input Directory"));
+    connect(browse_button, SIGNAL(clicked()), this, SLOT(browse()));
+    browse_button->setMinimumHeight(50);
+
+    QPushButton *print_scr_button = new QPushButton(tr("Make Screenshot"));
+    connect(print_scr_button, SIGNAL(clicked()), this, SLOT(print_scr()));
+    print_scr_button->setMinimumHeight(50);
+
+    file_layout->addWidget(message_label_, 0, 0);
+    file_layout->addWidget(file_list_, 1, 0);
+    file_layout->addWidget(primary_checkbox, 2, 0);
+    file_layout->addWidget(browse_button, 3, 0);
+    file_layout->addWidget(print_scr_button, 4, 0);
+
+    return file_layout;
+  }
+
+  void update_file_list() {
+    QFileInfoList list = file_dir_.entryInfoList();
+    file_list_->clear();
+    if (file_dir_.count() == 0) {
+      return;
+    }
+    QFileInfoList::const_iterator it;
+    for (it = list.begin(); it != list.end(); it++) {
+      file_list_->addItem(it->fileName());
+    }
+    file_list_->setCurrentRow(0);
+  }
+
+  QDir file_dir_;
+  QString file_name_;
+  GLWidget *glWidget_;
+  QListWidget *file_list_;
+  QLabel *message_label_;
 };
 
 int main(int argc, char *argv[]) {
-    QApplication app(argc, argv);
-    MainWindow window;
-    window.show();
-    return app.exec();
+  QApplication app(argc, argv);
+  MainWindow window;
+  window.show();
+  return app.exec();
 }
 
 #include "voronoi_visualizer.moc"