PieChart.h
#pragma once #include "stdafx.h" class PieChart { public: PieChart(); void setTitle( const std::string& title ); void addEntry( const std::string& label, double value ); void writeAsHTML( std::ostream& out ) const; void writeAsHTML( const std::string& file ) const; private: std::string title; std::vector<std::string> labels; std::vector<double> values; }; void testPieChart();