format dir demo

demo/c++/rundemo.cpp

@@ -45,14 +45,16 @@
 
 #include <iostream>
 
-
 int main(int, char**)
 {
     using namespace mapnik;
-    const std::string srs_lcc="+proj=lcc +ellps=GRS80 +lat_0=49 +lon_0=-95 +lat+1=49 +lat_2=77 +datum=NAD83 +units=m +no_defs";
+    const std::string srs_lcc =
-    const std::string srs_merc="+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs +over";
+      "+proj=lcc +ellps=GRS80 +lat_0=49 +lon_0=-95 +lat+1=49 +lat_2=77 +datum=NAD83 +units=m +no_defs";
+    const std::string srs_merc = "+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 "
+                                 "+units=m +nadgrids=@null +wktext +no_defs +over";
 
-    try {
+    try
+    {
         std::cout << " running demo ... \n";
         datasource_cache::instance().register_datasources("plugins/input/");
         freetype_engine::register_font("fonts/dejavu-fonts-ttf-2.37/ttf/DejaVuSans.ttf");
@@ -215,7 +217,8 @@ int main ( int, char** )
                 placement_finder->defaults.format_defaults.fill = color(0, 0, 0);
                 placement_finder->defaults.format_defaults.halo_fill = color(255, 255, 200);
                 placement_finder->defaults.format_defaults.halo_radius = 1.0;
-                placement_finder->defaults.set_format_tree(std::make_shared<mapnik::formatting::text_node>(parse_expression("[GEONAME]")));
+                placement_finder->defaults.set_format_tree(
+                  std::make_shared<mapnik::formatting::text_node>(parse_expression("[GEONAME]")));
                 put<text_placements_ptr>(text_sym, keys::text_placements_, placement_finder);
                 r.append(std::move(text_sym));
             }
@@ -342,8 +345,7 @@ int main ( int, char** )
            but instead let's build up a surface for more flexibility
         */
 
-        cairo_surface_ptr image_surface(
+        cairo_surface_ptr image_surface(cairo_image_surface_create(CAIRO_FORMAT_ARGB32, m.width(), m.height()),
-            cairo_image_surface_create(CAIRO_FORMAT_ARGB32,m.width(),m.height()),
                                         cairo_surface_closer());
         double scale_factor = 1.0;
         cairo_ptr image_context(create_context(image_surface));
@@ -353,7 +355,8 @@ int main ( int, char** )
         cairo_surface_write_to_png(&*image_surface, "cairo-demo.png");
         // but we can also benefit from quantization by converting
         // to a mapnik image object and then saving that
-        mapnik::image_rgba8 im_data(cairo_image_surface_get_width(&*image_surface), cairo_image_surface_get_height(&*image_surface));
+        mapnik::image_rgba8 im_data(cairo_image_surface_get_width(&*image_surface),
+                                    cairo_image_surface_get_height(&*image_surface));
         cairo_image_to_rgba8(im_data, image_surface);
         save_to_file(im_data, "cairo-demo256.png", "png8");
         cairo_surface_finish(&*image_surface);
@@ -367,13 +370,11 @@ int main ( int, char** )
 #endif
         // save map definition (data + style)
         save_map(m, "map.xml");
-    }
+    } catch (std::exception const& ex)
-    catch ( std::exception const& ex )
     {
         std::cerr << "### std::exception: " << ex.what() << std::endl;
         return EXIT_FAILURE;
-    }
+    } catch (...)
-    catch ( ... )
     {
         std::cerr << "### Unknown exception." << std::endl;
         return EXIT_FAILURE;

demo/viewer/about_dialog.cpp

@@ -17,10 +17,8 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 
-
 #include "about_dialog.hpp"
 
-
 about_dialog::about_dialog(QWidget* parent)
     : QDialog(parent)
 {

demo/viewer/about_dialog.hpp

@@ -17,8 +17,6 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 
-
-
 #if !defined ABOUT_DIALOG_HPP
 #define ABOUT_DIALOG_HPP
 
@@ -30,9 +28,9 @@ class about_dialog : public QDialog
     Q_OBJECT
   public:
     about_dialog(QWidget* parent = 0);
+
   private:
     Ui::Dialog ui;
 };
 
-
 #endif // ABOUT_DIALOG_HPP

demo/viewer/info_dialog.cpp

@@ -17,10 +17,8 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 
-
 #include "info_dialog.hpp"
 
-
 info_dialog::info_dialog(QVector<QPair<QString, QString>> const& info, QWidget* parent)
     : QDialog(parent)
 {

demo/viewer/info_dialog.hpp

@@ -17,8 +17,6 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 
-
-
 #ifndef INFO_DIALOG_HPP
 #define INFO_DIALOG_HPP
 
@@ -30,9 +28,9 @@ class info_dialog : public QDialog
     Q_OBJECT
   public:
     info_dialog(QVector<QPair<QString, QString>> const& info, QWidget* parent = 0);
+
   private:
     Ui::InfoDialog ui;
 };
 
-
 #endif // INFO_DIALOG_HPP

demo/viewer/layer_info_dialog.cpp

@@ -17,7 +17,6 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 
-
 #include "layer_info_dialog.hpp"
 
 // mapnik
@@ -26,7 +25,6 @@
 #include <mapnik/params_impl.hpp>
 #include <mapnik/layer.hpp>
 
-
 layer_info_dialog::layer_info_dialog(mapnik::layer& lay, QWidget* parent)
     : QDialog(parent)
 {

demo/viewer/layer_info_dialog.hpp

@@ -17,16 +17,13 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 
-
-
 #ifndef LAYER_INFO_DIALOG_HPP
 #define LAYER_INFO_DIALOG_HPP
 
 #include "ui_layer_info.h"
 #include <QDialog>
 
-namespace mapnik
+namespace mapnik {
-{
 class layer;
 }
 
@@ -36,9 +33,9 @@ class layer_info_dialog : public QDialog
   public:
     layer_info_dialog(mapnik::layer& l, QWidget* parent = 0);
     Ui::LayerInfoDialog& getUI();
+
   private:
     Ui::LayerInfoDialog ui;
 };
 
-
 #endif // LAYER_INFO_DIALOG_HPP

demo/viewer/layerdelegate.cpp

@@ -17,17 +17,14 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 
-
 #include <QtGui>
 #include "layerdelegate.hpp"
 
 LayerDelegate::LayerDelegate(QObject* parent)
     : QAbstractItemDelegate(parent)
-{
+{}
-}
 
-void LayerDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option,
+void LayerDelegate::paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const
-                          const QModelIndex &index) const
 {
     painter->setRenderHint(QPainter::Antialiasing);
     painter->setPen(QPen(QColor(255, 0, 0), 1));
@@ -37,18 +34,15 @@ void LayerDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option,
     else
         painter->setBrush(QBrush(QColor(255, 0, 0, 64)));
 
-
     painter->drawRoundedRect(option.rect, 4, 4);
 
     if (option.state & QStyle::State_Selected)
         painter->setBrush(option.palette.highlightedText());
     else
         painter->setBrush(QBrush(QColor(255, 120, 0, 127)));
-
 }
 
-QSize LayerDelegate::sizeHint(const QStyleOptionViewItem & /* option */,
+QSize LayerDelegate::sizeHint(const QStyleOptionViewItem& /* option */, const QModelIndex& /* index */) const
-                              const QModelIndex & /* index */) const
 {
     return QSize(120, 24);
 }

demo/viewer/layerdelegate.hpp

@@ -35,10 +35,8 @@ class LayerDelegate : public QAbstractItemDelegate
 
   public:
     LayerDelegate(QObject* parent = 0);
-    void paint(QPainter *painter, const QStyleOptionViewItem &option,
+    void paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const;
-    const QModelIndex &index) const;
+    QSize sizeHint(const QStyleOptionViewItem& option, const QModelIndex& index) const;
-    QSize sizeHint(const QStyleOptionViewItem &option,
-                       const QModelIndex &index ) const;
 };
 
 #endif // LAYER_DELEGATE_HPP

demo/viewer/layerlistmodel.cpp

@@ -17,8 +17,6 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 
-
-
 #include "layerlistmodel.hpp"
 #include <QIcon>
 #include <QBrush>
@@ -27,12 +25,14 @@
 using mapnik::Map;
 
 LayerListModel::LayerListModel(std::shared_ptr<Map> map, QObject* parent)
-    : QAbstractListModel(parent),
+    : QAbstractListModel(parent)
-      map_(map) {}
+    , map_(map)
+{}
 
 int LayerListModel::rowCount(QModelIndex const&) const
 {
-   if (map_) return map_->layers().size();
+    if (map_)
+        return map_->layers().size();
     return 0;
 }
 
@@ -76,8 +76,7 @@ QVariant LayerListModel::data(QModelIndex const& index, int role) const
     }
 }
 
-QVariant LayerListModel::headerData(int section, Qt::Orientation orientation,
+QVariant LayerListModel::headerData(int section, Qt::Orientation orientation, int role) const
-                                         int role) const
 {
     if (role != Qt::DisplayRole)
         return QVariant();
@@ -88,10 +87,10 @@ QVariant LayerListModel::headerData(int section, Qt::Orientation orientation,
         return QString("TODO Row %1").arg(section);
 }
 
-bool LayerListModel::setData(const QModelIndex &index,
+bool LayerListModel::setData(const QModelIndex& index, const QVariant& value, int role)
-                             const QVariant &value, int role)
 {
-   if (!map_) return false;
+    if (!map_)
+        return false;
 
     if (index.isValid() && role == Qt::CheckStateRole)
     {

demo/viewer/layerlistmodel.hpp

@@ -17,8 +17,6 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 
-
-
 #ifndef LAYER_LIST_MODEL_HPP
 #define LAYER_LIST_MODEL_HPP
 
@@ -37,10 +35,8 @@ class LayerListModel : public QAbstractListModel
     LayerListModel(std::shared_ptr<mapnik::Map> map, QObject* parent = 0);
     int rowCount(const QModelIndex& parent = QModelIndex()) const;
     QVariant data(const QModelIndex& index, int role) const;
-      QVariant headerData(int section, Qt::Orientation orientation,
+    QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const;
-                          int role = Qt::DisplayRole) const;
+    bool setData(const QModelIndex& index, const QVariant& value, int role = Qt::EditRole);
-      bool setData(const QModelIndex &index, const QVariant &value,
-                   int role = Qt::EditRole);
     Qt::ItemFlags flags(QModelIndex const& index) const;
     boost::optional<mapnik::layer&> map_layer(int i);
 

demo/viewer/layerwidget.cpp

@@ -17,7 +17,6 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 
-
 #include "layerwidget.hpp"
 #include <qabstractitemdelegate.h>
 #include <qapplication.h>
@@ -33,17 +32,15 @@
 #include "layer_info_dialog.hpp"
 
 LayerTab::LayerTab(QWidget* parent)
-    : QListView(parent) {}
+    : QListView(parent)
-
+{}
 
 void LayerTab::paintEvent(QPaintEvent* e)
 {
     QListView::paintEvent(e);
 }
 
-void LayerTab::dataChanged(const QModelIndex &topLeft,
+void LayerTab::dataChanged(const QModelIndex& topLeft, const QModelIndex& bottomRight, const QVector<int>& roles)
-                           const QModelIndex &bottomRight,
-                           const QVector<int> &roles)
 {
     emit update_mapwidget();
     QListView::dataChanged(topLeft, bottomRight, roles);
@@ -66,7 +63,6 @@ void LayerTab::layerInfo()
     if (indexes.size() > 0)
     {
         qDebug("id = %d", indexes[0].row());
-
     }
 }
 
@@ -86,10 +82,7 @@ void LayerTab::layerInfo2(QModelIndex const& index)
     }
 }
 
-StyleTab::StyleTab(QWidget*)
+StyleTab::StyleTab(QWidget*) {}
-{
-
-}
 
 void StyleTab::contextMenuEvent(QContextMenuEvent* event)
 {

demo/viewer/layerwidget.hpp

@@ -17,7 +17,6 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 
-
 #ifndef LAYERWIDGET_HPP
 #define LAYERWIDGET_HPP
 
@@ -47,6 +46,7 @@ class StyleTab : public QTreeView
     Q_OBJECT
   public:
     StyleTab(QWidget* parent = 0);
+
   protected:
     void contextMenuEvent(QContextMenuEvent* event);
 };

demo/viewer/main.cpp

@@ -17,7 +17,6 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 
-
 // qt
 #include <QApplication>
 #include <QStringList>
@@ -41,8 +40,7 @@ int main( int argc, char **argv )
         QSettings settings("viewer.ini", QSettings::IniFormat);
 
         // register input plug-ins
-        QString plugins_dir = settings.value("mapnik/plugins_dir",
+        QString plugins_dir = settings.value("mapnik/plugins_dir", QVariant("/usr/local/lib/mapnik/input/")).toString();
-                                             QVariant("/usr/local/lib/mapnik/input/")).toString();
         datasource_cache::instance().register_datasources(plugins_dir.toStdString());
         // register fonts
         int count = settings.beginReadArray("mapnik/fonts");
@@ -57,7 +55,8 @@ int main( int argc, char **argv )
         QApplication app(argc, argv);
         MainWindow window;
         window.show();
-        if (argc > 1) window.open(argv[1]);
+        if (argc > 1)
+            window.open(argv[1]);
         if (argc >= 3)
         {
             QStringList list = QString(argv[2]).split(",");
@@ -68,23 +67,25 @@ int main( int argc, char **argv )
                 double y0 = list[1].toDouble(&ok);
                 double x1 = list[2].toDouble(&ok);
                 double y1 = list[3].toDouble(&ok);
-                if (ok) window.set_default_extent(x0,y0,x1,y1);
+                if (ok)
+                    window.set_default_extent(x0, y0, x1, y1);
             }
         }
         else
         {
             std::shared_ptr<mapnik::Map> map = window.get_map();
-            if (map) map->zoom_all();
+            if (map)
+                map->zoom_all();
         }
         if (argc == 4)
         {
             bool ok;
             double scaling_factor = QString(argv[3]).toDouble(&ok);
-            if (ok) window.set_scaling_factor(scaling_factor);
+            if (ok)
+                window.set_scaling_factor(scaling_factor);
         }
         return app.exec();
-    }
+    } catch (std::exception const& ex)
-    catch (std::exception const& ex)
     {
         std::cerr << "Could not start viewer: '" << ex.what() << "'\n";
         return 1;

demo/viewer/mainwindow.cpp

@@ -17,7 +17,6 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 
-
 // stl
 #include <iostream>
 
@@ -58,8 +57,8 @@
 #include <boost/algorithm/string.hpp>
 
 MainWindow::MainWindow()
-    : filename_(),
+    : filename_()
-      default_extent_(-20037508.3428,-20037508.3428,20037508.3428,20037508.3428)
+    , default_extent_(-20037508.3428, -20037508.3428, 20037508.3428, 20037508.3428)
 {
     mapWidget_ = new MapWidget(this);
     QSplitter* splitter = new QSplitter(this);
@@ -107,19 +106,18 @@ MainWindow::MainWindow()
     // slider
     connect(slider_, SIGNAL(valueChanged(int)), mapWidget_, SLOT(zoomToLevel(int)));
     // renderer selector
-    connect(renderer_selector_,SIGNAL(currentIndexChanged(QString const&)),
+    connect(renderer_selector_,
-            mapWidget_, SLOT(updateRenderer(QString const&)));
+            SIGNAL(currentIndexChanged(QString const&)),
+            mapWidget_,
+            SLOT(updateRenderer(QString const&)));
 
     // scale factor
-    connect(scale_factor_,SIGNAL(valueChanged(double)),
+    connect(scale_factor_, SIGNAL(valueChanged(double)), mapWidget_, SLOT(updateScaleFactor(double)));
-            mapWidget_, SLOT(updateScaleFactor(double)));
     //
     connect(layerTab_, SIGNAL(update_mapwidget()), mapWidget_, SLOT(updateMap()));
-    connect(layerTab_,SIGNAL(layerSelected(int)),
+    connect(layerTab_, SIGNAL(layerSelected(int)), mapWidget_, SLOT(layerSelected(int)));
-            mapWidget_,SLOT(layerSelected(int)));
 }
 
-
 MainWindow::~MainWindow()
 {
     delete mapWidget_;
@@ -141,8 +139,7 @@ void MainWindow::open(QString const& path)
 {
     if (path.isNull())
     {
-        filename_ = QFileDialog::getOpenFileName(this,tr("Open Mapnik file"),
+        filename_ = QFileDialog::getOpenFileName(this, tr("Open Mapnik file"), currentPath, "*.xml");
-                                                 currentPath,"*.xml");
     }
     else
     {
@@ -151,18 +148,15 @@ void MainWindow::open(QString const& path)
 
     if (!filename_.isEmpty())
     {
-
         load_map_file(filename_);
         setWindowTitle(tr("%1 - Mapnik Viewer").arg(filename_));
     }
-
 }
 
 void MainWindow::reload()
 {
     if (!filename_.isEmpty())
     {
-
         mapnik::box2d<double> bbox = mapWidget_->getMap()->get_current_extent();
         load_map_file(filename_);
         mapWidget_->zoomToBox(bbox);
@@ -173,10 +167,10 @@ void MainWindow::reload()
 void MainWindow::save()
 {
     QString initialPath = QDir::currentPath() + "/untitled.xml";
-    QString filename = QFileDialog::getSaveFileName(this, tr("Save"),
+    QString filename = QFileDialog::getSaveFileName(this,
+                                                    tr("Save"),
                                                     initialPath,
-                                                    tr("%1 Files (*.xml)")
+                                                    tr("%1 Files (*.xml)").arg(QString("Mapnik definition")));
-                                                    .arg(QString("Mapnik definition")));
     if (!filename.isEmpty())
     {
         std::cout << "saving " << filename.toStdString() << std::endl;
@@ -195,12 +189,10 @@ void MainWindow::load_map_file(QString const& filename)
     {
         mapnik::auto_cpu_timer t(std::clog, "loading map took: ");
         mapnik::load_map(*map, filename.toStdString());
-    }
+    } catch (std::exception const& ex)
-    catch (std::exception const& ex)
     {
         std::cout << ex.what() << "\n";
-    }
+    } catch (...)
-    catch (...)
     {
         std::cerr << "Exception caught in load_map\n";
     }
@@ -256,11 +248,11 @@ void MainWindow::export_as()
     QByteArray fileFormat = action->data().toByteArray();
     QString initialPath = QDir::currentPath() + "/map." + fileFormat;
 
-    QString fileName = QFileDialog::getSaveFileName(this, tr("Export As"),
+    QString fileName = QFileDialog::getSaveFileName(
+      this,
+      tr("Export As"),
       initialPath,
-                                                    tr("%1 Files (*.%2);;All Files (*)")
+      tr("%1 Files (*.%2);;All Files (*)").arg(QString(fileFormat.toUpper())).arg(QString(fileFormat)));
-                                                    .arg(QString(fileFormat.toUpper()))
-                                                    .arg(QString(fileFormat)));
     if (!fileName.isEmpty())
     {
         QPixmap const& pix = mapWidget_->pixmap();
@@ -270,7 +262,6 @@ void MainWindow::export_as()
 
 void MainWindow::print()
 {
-
     // Q_ASSERT(mapWidget_->pixmap());
     // QPrintDialog dialog(&printer, this);
     // if (dialog.exec()) {
@@ -411,8 +402,6 @@ void MainWindow::createToolBars()
     fileToolBar->addAction(aboutAct);
 }
 
-
-
 void MainWindow::set_default_extent(double x0, double y0, double x1, double y1)
 {
     try
@@ -427,8 +416,8 @@ void MainWindow::set_default_extent(double x0,double y0, double x1, double y1)
             mapWidget_->zoomToBox(default_extent_);
             std::cout << "SET DEFAULT EXT:" << default_extent_ << std::endl;
         }
-    }
+    } catch (...)
-    catch (...) {}
+    {}
 }
 
 void MainWindow::set_scaling_factor(double scaling_factor)

demo/viewer/mainwindow.hpp

@@ -17,7 +17,6 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 
-
 #ifndef MAINWINDOW_HPP
 #define MAINWINDOW_HPP
 
@@ -46,8 +45,10 @@ class MainWindow : public QMainWindow
     virtual ~MainWindow();
     void set_default_extent(double x0, double y0, double x1, double y1);
     void set_scaling_factor(double scaling_factor);
+
   public:
     std::shared_ptr<mapnik::Map> get_map();
+
   protected:
     void closeEvent(QCloseEvent* event);
   public slots:
@@ -65,6 +66,7 @@ public slots:
     void pan_right();
     void pan_up();
     void pan_down();
+
   private:
     void createActions();
     void createMenus();
@@ -112,5 +114,4 @@ private:
     mapnik::box2d<double> default_extent_;
 };
 
-
 #endif // MAINWINDOW_HPP

demo/viewer/mapwidget.cpp

@@ -17,7 +17,6 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 
-
 #include <QtGui>
 
 #include <boost/bind.hpp>
@@ -41,54 +40,38 @@
 #include "mapwidget.hpp"
 #include "info_dialog.hpp"
 
-using mapnik::image_rgba8;
-using mapnik::Map;
-using mapnik::layer;
 using mapnik::box2d;
 using mapnik::coord2d;
+using mapnik::feature_kv_iterator;
 using mapnik::feature_ptr;
-using mapnik::view_transform;
+using mapnik::image_rgba8;
+using mapnik::layer;
+using mapnik::Map;
 using mapnik::projection;
 using mapnik::scale_denominator;
-using mapnik::feature_kv_iterator;
+using mapnik::view_transform;
 
-double scales [] = {279541132.014,
+double scales[] = {279541132.014, 139770566.007, 69885283.0036, 34942641.5018, 17471320.7509,
-                    139770566.007,
+                   8735660.37545, 4367830.18772, 2183915.09386, 1091957.54693, 545978.773466,
-                    69885283.0036,
+                   272989.386733, 136494.693366, 68247.3466832, 34123.6733416, 17061.8366708,
-                    34942641.5018,
+                   8530.9183354,  4265.4591677,  2132.72958385, 1066.36479192, 533.182395962};
-                    17471320.7509,
-                    8735660.37545,
-                    4367830.18772,
-                    2183915.09386,
-                    1091957.54693,
-                    545978.773466,
-                    272989.386733,
-                    136494.693366,
-                    68247.3466832,
-                    34123.6733416,
-                    17061.8366708,
-                    8530.9183354,
-                    4265.4591677,
-                    2132.72958385,
-                    1066.36479192,
-                    533.182395962};
 
 MapWidget::MapWidget(QWidget* parent)
-   : QWidget(parent),
+    : QWidget(parent)
-     map_(),
+    , map_()
-     selected_(1),
+    , selected_(1)
-     extent_(),
+    , extent_()
-     cur_tool_(ZoomToBox),
+    , cur_tool_(ZoomToBox)
-     start_x_(0),
+    , start_x_(0)
-     start_y_(0),
+    , start_y_(0)
-     end_x_(0),
+    , end_x_(0)
-     end_y_(0),
+    , end_y_(0)
-     drag_(false),
+    , drag_(false)
-     first_(true),
+    , first_(true)
-     pen_(QColor(0,0,255,96)),
+    , pen_(QColor(0, 0, 255, 96))
-     selectedLayer_(-1),
+    , selectedLayer_(-1)
-     scaling_factor_(1.0),
+    , scaling_factor_(1.0)
-     cur_renderer_(AGG)
+    , cur_renderer_(AGG)
 {
     pen_.setWidth(3);
     pen_.setCapStyle(Qt::RoundCap);
@@ -162,10 +145,12 @@ void MapWidget::mousePressEvent(QMouseEvent* e)
 
                 for (unsigned index = 0; index < map_->layer_count(); ++index)
                 {
-               if (int(index) != selectedLayer_) continue;
+                    if (int(index) != selectedLayer_)
+                        continue;
 
                     layer& layer = map_->layers()[index];
-               if (!layer.visible(scale_denom)) continue;
+                    if (!layer.visible(scale_denom))
+                        continue;
                     std::string name = layer.name();
                     double x = e->x();
                     double y = e->y();
@@ -231,10 +216,9 @@ void MapWidget::mousePressEvent(QMouseEvent* e)
                 }
 
                 // remove annotation layer
-            map_->layers().erase(remove_if(map_->layers().begin(),
+                map_->layers().erase(
-                                           map_->layers().end(),
+                  remove_if(map_->layers().begin(), map_->layers().end(), bind(&layer::name, _1) == "*annotations*"),
-                                           bind(&layer::name,_1) == "*annotations*")
+                  map_->layers().end());
-                                 , map_->layers().end());
             }
         }
     }
@@ -334,7 +318,8 @@ void MapWidget::wheelEvent(QWheelEvent* e)
 void MapWidget::keyPressEvent(QKeyEvent* e)
 {
     std::cout << "key pressed:" << e->key() << "\n";
-   switch (e->key()) {
+    switch (e->key())
+    {
         case Qt::Key_Minus:
             zoomOut();
             break;
@@ -387,8 +372,6 @@ void MapWidget::keyPressEvent(QKeyEvent *e)
         default:
             QWidget::keyPressEvent(e);
     }
-
-
 }
 
 void MapWidget::zoomToBox(mapnik::box2d<double> const& bbox)
@@ -472,7 +455,6 @@ void MapWidget::panRight()
     }
 }
 
-
 void MapWidget::zoomToLevel(int level)
 {
     if (map_ && level >= 0 && level < 19)
@@ -531,20 +513,17 @@ void render_agg(mapnik::Map const& map, double scaling_factor, QPixmap & pix)
     catch (std::exception const& ex)
     {
         std::cerr << "exception: " << ex.what() << std::endl;
-    }
+    } catch (...)
-    catch (...)
     {
         std::cerr << "Unknown exception caught!\n";
     }
 }
 
-
 void render_grid(mapnik::Map const& map, double scaling_factor, QPixmap& pix)
 {
     std::cerr << "Not supported" << std::endl;
 }
 
-
 void render_cairo(mapnik::Map const& map, double scaling_factor, QPixmap& pix)
 {
 // FIXME
@@ -567,9 +546,12 @@ void render_cairo(mapnik::Map const& map, double scaling_factor, QPixmap & pix)
 
 void MapWidget::updateRenderer(QString const& txt)
 {
-    if (txt == "AGG") cur_renderer_ = AGG;
+    if (txt == "AGG")
-    else if (txt == "Cairo") cur_renderer_ = Cairo;
+        cur_renderer_ = AGG;
-    else if (txt == "Grid") cur_renderer_ = Grid;
+    else if (txt == "Cairo")
+        cur_renderer_ = Cairo;
+    else if (txt == "Grid")
+        cur_renderer_ = Grid;
     std::cerr << "Update renderer called" << std::endl;
     updateMap();
 }
@@ -620,8 +602,7 @@ void MapWidget::updateMap()
             update();
             // emit signal to interested widgets
             emit mapViewChanged();
-       }
+        } catch (...)
-       catch (...)
         {
             std::cerr << "Unknown exception caught!\n";
         }
@@ -638,7 +619,6 @@ void MapWidget::setMap(std::shared_ptr<Map> map)
     map_ = map;
 }
 
-
 void MapWidget::layerSelected(int index)
 {
     selectedLayer_ = index;

demo/viewer/mapwidget.hpp

@@ -17,7 +17,6 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 
-
 #ifndef MAP_WIDGET_HPP
 #define MAP_WIDGET_HPP
 
@@ -30,7 +29,6 @@
 #include <string>
 #include <memory>
 
-
 #ifndef Q_MOC_RUN
 #include <mapnik/map.hpp>
 #endif
@@ -40,19 +38,13 @@ class MapWidget : public QWidget
     Q_OBJECT
 
   public:
-    enum eTool
+    enum eTool {
-    {
         ZoomToBox = 1,
         Pan,
         Info,
     };
 
-    enum eRenderer
+    enum eRenderer { AGG, Cairo, Grid };
-    {
-        AGG,
-        Cairo,
-        Grid
-    };
 
   private:
     std::shared_ptr<mapnik::Map> map_;
@@ -70,6 +62,7 @@ private:
     int selectedLayer_;
     double scaling_factor_;
     eRenderer cur_renderer_;
+
   public:
     MapWidget(QWidget* parent = 0);
     void setTool(eTool tool);
@@ -93,6 +86,7 @@ public slots:
     void updateScaleFactor(double scale_factor);
   signals:
     void mapViewChanged();
+
   protected:
     void paintEvent(QPaintEvent* ev);
     void resizeEvent(QResizeEvent* ev);
@@ -101,10 +95,7 @@ protected:
     void mouseReleaseEvent(QMouseEvent* e);
     void wheelEvent(QWheelEvent* e);
     void keyPressEvent(QKeyEvent* e);
-    void export_to_file(unsigned width,
+    void export_to_file(unsigned width, unsigned height, std::string const& filename, std::string const& type);
-                        unsigned height,
-                        std::string const& filename,
-                        std::string const& type);
 };
 
 #endif // MAP_WIDGET_HPP

demo/viewer/styles_model.cpp

@@ -17,7 +17,6 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 
-
 #include "styles_model.hpp"
 #include <mapnik/config.hpp>
 #include <mapnik/util/variant.hpp>
@@ -48,19 +47,14 @@ class node : private mapnik::util::noncopyable
     struct wrap : public node_base
     {
         wrap(T const& obj)
-        : obj_(obj) {}
+            : obj_(obj)
+        {}
 
         ~wrap() {}
 
-    QString name () const
+        QString name() const { return obj_.name(); }
-    {
-        return obj_.name();
-    }
 
-    QIcon icon() const
+        QIcon icon() const { return obj_.icon(); }
-    {
-        return obj_.icon();
-    }
 
         T obj_;
     };
@@ -68,34 +62,19 @@ class node : private mapnik::util::noncopyable
   public:
     template<typename T>
     node(T const& obj, node* parent = 0)
-    : impl_(new wrap<T>(obj)),
+        : impl_(new wrap<T>(obj))
-      parent_(parent)
+        , parent_(parent)
     {}
 
-    QString name() const
+    QString name() const { return impl_->name(); }
-    {
-        return impl_->name();
-    }
 
-    QIcon icon() const
+    QIcon icon() const { return impl_->icon(); }
-    {
-        return impl_->icon();
-    }
 
-    unsigned num_children() const
+    unsigned num_children() const { return children_.count(); }
-    {
-        return children_.count();
-    }
 
-    node * child(unsigned row) const
+    node* child(unsigned row) const { return children_.value(row); }
-    {
-        return children_.value(row);
-    }
 
-    node * parent() const
+    node* parent() const { return parent_; }
-    {
-        return parent_;
-    }
 
     node* add_child(node* child)
     {
@@ -110,10 +89,7 @@ public:
             return 0;
     }
 
-    ~node()
+    ~node() { qDeleteAll(children_); }
-    {
-        qDeleteAll(children_);
-    }
 
   private:
     const std::unique_ptr<node_base> impl_;
@@ -121,7 +97,6 @@ private:
     node* parent_;
 };
 
-
 struct symbolizer_info
 {
     QString operator()(mapnik::point_symbolizer const& sym) const
@@ -239,7 +214,8 @@ class symbolizer_node
 {
   public:
     symbolizer_node(mapnik::symbolizer const& sym)
-        : sym_(sym) {}
+        : sym_(sym)
+    {}
     ~symbolizer_node() {}
 
     QString name() const
@@ -259,8 +235,9 @@ class rule_node
 {
   public:
     rule_node(QString name, mapnik::rule const& r)
-    : name_(name),
+        : name_(name)
-      rule_(r) {}
+        , rule_(r)
+    {}
     ~rule_node() {}
     QString name() const
     {
@@ -268,10 +245,7 @@ public:
         return QString(mapnik::to_expression_string(*filter).c_str());
     }
 
-    QIcon icon() const
+    QIcon icon() const { return QIcon(":/images/filter.png"); }
-    {
-        return QIcon(":/images/filter.png");
-    }
 
   private:
     QString name_;
@@ -282,20 +256,15 @@ class style_node
 {
   public:
     style_node(QString name, mapnik::feature_type_style const& style)
-    : name_(name),
+        : name_(name)
-      style_(style) {}
+        , style_(style)
+    {}
 
     ~style_node() {}
 
-    QString name() const
+    QString name() const { return name_; }
-    {
-        return name_;
-    }
 
-    QIcon icon() const
+    QIcon icon() const { return QIcon(":/images/style.png"); }
-    {
-        return QIcon(":/images/style.png");
-    }
 
   private:
     QString name_;
@@ -306,26 +275,21 @@ class map_node
 {
   public:
     explicit map_node(std::shared_ptr<mapnik::Map> map)
-    : map_(map)  {}
+        : map_(map)
+    {}
     ~map_node() {}
 
-    QString name() const
+    QString name() const { return QString("Map"); }
-    {
-        return QString("Map");
-    }
 
-    QIcon icon() const
+    QIcon icon() const { return QIcon(":/images/map.png"); }
-    {
-        return QIcon(":/images/map.png");
-    }
 
   private:
     std::shared_ptr<mapnik::Map> map_;
 };
 
 StyleModel::StyleModel(std::shared_ptr<mapnik::Map> map, QObject* parent)
-    : QAbstractItemModel(parent),
+    : QAbstractItemModel(parent)
-      root_(new node(map_node(map)))
+    , root_(new node(map_node(map)))
 {
     using style_type = std::map<std::string, mapnik::feature_type_style>;
     style_type const& styles = map->styles();
@@ -382,7 +346,8 @@ int StyleModel::rowCount(QModelIndex const& parent) const
 {
     // qDebug("rowCount");
     node* parent_node;
-    if (parent.column() > 0) return 0;
+    if (parent.column() > 0)
+        return 0;
     if (!parent.isValid())
         parent_node = root_.get();
     else
@@ -405,7 +370,6 @@ QVariant StyleModel::data(const QModelIndex & index, int role) const
     {
         if (role == Qt::DisplayRole)
         {
-
             return QVariant(cur_node->name());
         }
         else if (role == Qt::DecorationRole)

demo/viewer/styles_model.hpp

@@ -17,7 +17,6 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 
-
 #ifndef STYLE_MODEL_HPP
 #define STYLE_MODEL_HPP
 
@@ -27,8 +26,6 @@
 #include <mapnik/map.hpp>
 #endif
 
-
-
 class node;
 class StyleModel : public QAbstractItemModel
 {
@@ -42,6 +39,7 @@ class StyleModel : public QAbstractItemModel
     int rowCount(QModelIndex const& parent = QModelIndex()) const;
     int columnCount(QModelIndex const& parent = QModelIndex()) const;
     QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const;
+
   private:
     // std::shared_ptr<mapnik::Map> map_;
     const std::unique_ptr<node> root_;