renderwidget.h

#ifndef RENDERWIDGET_H
#define RENDERWIDGET_H

#include <QPixmap>
#include <QWidget>
#include "renderthread.h"

class RenderWidget : public QWidget {
    Q_OBJECT

public:
    RenderWidget(QWidget *parent, Graph* g);
    void useBackgroundImage(QString path);
    void useBackgroundColor(QColor color);
    
    bool    getBackgroundActive(void) {return visibleBackgroundImage;};
    bool    getNodesVisible(void) {return visibleNodes;};
    bool    getEdgesVisible(void) {return visibleEdges;};
    bool    getDescriptionsVisible(void) {return visibleDescriptions;};
    bool    getWrap(void) {return wrap;};
    void    refresh(void);
    void    clearWidget() {clear = true; repaint();};
protected:
    void paintEvent(QPaintEvent *event);
    void resizeEvent(QResizeEvent *event);

public slots:
    void    useBackground(bool set) {visibleBackgroundImage = set; repaint();};
    void    drawNodes(bool draw) {visibleNodes = draw; refresh();};
    void    drawEdges(bool draw) {visibleEdges = draw; refresh();};
    void    showDescriptions(bool show) {visibleDescriptions = show; refresh();};
    void    wrapEdges(bool w) {wrap = w; refresh();};
    void    bundleEdges(bool b) {bundle = b;};
    
    void setNodeProperties(double radius, QColor fillColor, QColor lineColor, double lineWidth);
    void setEdgeProperties(QColor lineColor, double lineWidth);

protected slots:
    void updatePixmap(const QImage &image);

protected:
    /*  BACKGROUND */
    QString backgroundImagePath;
    bool    visibleBackgroundImage;
    QPixmap backgroundImage;
    QBrush  backgroundSolid;

    /* NODE PROPERTIES */
    bool visibleNodes;
    QBrush nodeBrush;
    QPen nodePen;
    double nodeRadius;
    bool visibleDescriptions;
    
    /* EDGE PROPERTIES */
    bool visibleEdges;
    QPen edgePen;
    bool wrap;
    bool bundle;
        
    bool clear;
    Graph* graph;
    RenderThread thread;
    QPixmap pixmap;
};

#endif // RENDERWIDGET_H