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"