SvgPrinter.h

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#pragma once
 
#include <ogdf/basic/Graph.h>
#include <ogdf/basic/geometry.h>
#include <ogdf/cluster/ClusterGraph.h>
#include <ogdf/cluster/ClusterGraphAttributes.h>
#include <ogdf/fileformats/GraphIO.h>
 
#include <ogdf/lib/pugixml/pugixml.h>
 
#include <list>
#include <sstream>
 
namespace ogdf {
class GraphAttributes;
enum class StrokeType : unsigned char;
template<class E>
class List;
 
class SvgPrinter {
public:
    SvgPrinter(const GraphAttributes& attr, const GraphIO::SVGSettings& settings)
        : m_attr(attr), m_clsAttr(nullptr), m_settings(settings) { }
 
    SvgPrinter(const ClusterGraphAttributes& attr, const GraphIO::SVGSettings& settings)
        : m_attr(attr), m_clsAttr(&attr), m_settings(settings) { }
 
    bool draw(std::ostream& os);
 
private:
    const GraphAttributes& m_attr;
 
    const ClusterGraphAttributes* m_clsAttr;
 
    DRect m_bbox;
 
    const GraphIO::SVGSettings& m_settings;
 
    void drawClusters(pugi::xml_node xmlNode);
 
    void drawEdges(pugi::xml_node xmlNode);
 
    void drawEdge(pugi::xml_node xmlNode, edge e);
 
    pugi::xml_node drawCurve(pugi::xml_node xmlNode, edge e, List<DPoint>& points);
 
    void drawLine(std::stringstream& ss, const DPoint& p1, const DPoint& p2);
 
    void drawBezierPath(std::stringstream& ss, List<DPoint>& points);
 
    void drawRoundPath(std::stringstream& ss, List<DPoint>& points);
 
    void drawLines(std::stringstream& ss, List<DPoint>& points);
 
    void drawBezier(std::stringstream& ss, const DPoint& p1, const DPoint& p2, const DPoint& c1,
            const DPoint& c2);
 
    void drawNodes(pugi::xml_node xmlNode);
 
    pugi::xml_node writeHeader(pugi::xml_document& doc);
 
    void writeDashArray(pugi::xml_node xmlNode, StrokeType lineStyle, double lineWidth);
 
    void drawNode(pugi::xml_node xmlNode, node v);
 
    void drawCluster(pugi::xml_node xmlNode, cluster c);
 
    bool isCoveredBy(const DPoint& point, adjEntry adj) const;
 
    void drawArrowHead(pugi::xml_node xmlNode, const DPoint& start, DPoint& end, adjEntry adj);
 
    bool isArrowEnabled(adjEntry adj);
 
    double getArrowSize(adjEntry adj);
 
    void appendLineStyle(pugi::xml_node line, edge e, bool isArrowHead = false);
 
    pugi::xml_node drawPolygon(pugi::xml_node xmlNode, const std::list<double> points);
};
 
}