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101 lines
2.4 KiB
101 lines
2.4 KiB
#include <QtGui/QApplication>
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#include <QtGui/QMainWindow>
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#include <QtGui/QMenuBar>
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#include <graph/graph.hpp>
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#include <graph/graph_xml.hpp>
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#include "floats.hpp"
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#include <iostream>
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#include <iomanip>
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#include <sstream>
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#include "graphwidget.hpp"
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namespace std {
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template <>
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struct hash<float2>
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{
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std::size_t operator()(const float2& f2) const {
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std::size_t h1 = std::hash<float>()(f2.x);
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std::size_t h2 = std::hash<float>()(f2.y);
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return h1 ^ (h2 << 1);
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}
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};
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template <typename T>
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inline std::string to_string_with_precision(const T a_value, const int n = 6)
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{
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std::ostringstream out;
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out << std::fixed << std::setprecision(n) << a_value;
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return out.str();
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}
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inline std::ostream& operator<< (std::ostream& os, const float2& f2)
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{
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os << std::to_string_with_precision(f2);
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return os;
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}
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}
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float2 float2creator(const std::string& line)
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{
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std::stringstream ss(line);
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float f1, f2;
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ss >> f1 >> f2;
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return float2(f1, f2);
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}
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inline std::string float2serializer(const float2& f2)
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{
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return std::to_string_with_precision(f2.x, 3) + " " + std::to_string_with_precision(f2.y, 3);
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}
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// https://stackoverflow.com/questions/13878373/where-am-i-supposed-to-reimplement-qapplicationnotify-function
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class SafeQApplication : public QApplication
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{
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public:
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SafeQApplication(int &argCounter, char ** argVector) : QApplication(argCounter, argVector) {}
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private:
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bool notify(QObject *receiver_, QEvent *event_)
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{
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try {
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return QApplication::notify(receiver_, event_);
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} catch (std::exception &ex) {
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std::cerr << "std::exception was caught " << ex.what() << std::endl;
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}
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return false;
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}
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};
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int main(int argc, char **argv)
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{
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SafeQApplication app(argc, argv);
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const std::string xml_file = "graph_example.xml";
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Graph<float2> g = readGraphFromXML<float2>(xml_file, float2creator);
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const std::string png_file = "first_map.png";
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GraphWidget *widget = new GraphWidget(&g, QString::fromStdString(png_file));
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widget->updateFromGraph();
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QMainWindow mainWindow;
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mainWindow.setCentralWidget(widget);
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mainWindow.menuBar()->addAction("Zoom In", widget, SLOT(zoomIn()));
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mainWindow.menuBar()->addAction("Zoom Out", widget, SLOT(zoomOut()));
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mainWindow.menuBar()->addAction("Quit", widget, SLOT(quit()));
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mainWindow.show();
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const int app_retval = app.exec();
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writeGraphToXML<float2>(g, xml_file, float2serializer);
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return app_retval;
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}
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