render_attributes.hpp

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#pragma once
#ifndef RENDER_ATTRIBUTES_HPP
#define RENDER_ATTRIBUTES_HPP

#include "settings.hpp"
#include <boost/unordered_map.hpp>
#include <boost/pool/object_pool.hpp>
#include "server/style.hpp"

class RenderAttributes
{
public:
    static const unsigned int ChunkSize = 1024;

    TESTABLE inline const boost::unordered_map<WayId, Style*>& getWayMap() const
    {
        return wayStyles;
    }
    TESTABLE inline const boost::unordered_map<NodeId, Style*>& getNodeMap() const
    {
        return nodeStyles;
    }
    TESTABLE inline const boost::unordered_map<RelId, Style*>& getRelationMap() const
    {
        return relationStyles;
    }
    TESTABLE inline Style* getCanvasStyle()
    {
        return &canvasStyle;
    }

    TESTABLE Style* getNewStyle(NodeId id)  { return newStyle(id, nodeStyles); }
    TESTABLE Style* getNewStyle(WayId id)   { return newStyle(id, wayStyles); }
    TESTABLE Style* getNewStyle(RelId id)   { return newStyle(id, relationStyles); }

private:
    template<typename IdType>
    Style* newStyle(IdType id, boost::unordered_map<IdType, Style*>& map)
    {
        Style* newStyle = stylePool.construct();
        map.insert(std::make_pair(id, newStyle));
        return newStyle;
    }

    boost::unordered_map<NodeId, Style*> nodeStyles;
    boost::unordered_map<WayId, Style*> wayStyles;
    boost::unordered_map<RelId, Style*> relationStyles;

    boost::object_pool<Style> stylePool;

    Style canvasStyle;
};


#endif