E:/3pg/Studium/TU Wien/08 09 Wintersemester/Visualisierung/Aufgabe2/src_doxygen/LayerArrows.h

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#ifndef H_LAYER_ARROWS
#define H_LAYER_ARROWS

#include "Layer.h"
#include "FlowDataWorker.h"
#include "ui_ArrowLayer.h"

class LayerArrows : public Layer
{
        Q_OBJECT

public:
        LayerArrows();
        ~LayerArrows();

        void setWidget(QWidget *widget);

        void draw(const DrawInfo &drawInfo);

public slots:
        void setFlowData(FlowData *flowData);
        void setSize(const QSize &size);
        void setQuantity(int quant);
        void setArrowSize(int size);
        void setArrowNormPerc(int arrowNormPerc);
        void colorsChanged();

protected:
        void customEvent(QEvent *event);

private:
        void invalidate();
        void free();
        void calculate();
        void updateImage();
        QPainterPath getArrowPath();
        QSize arrowCount;
        float arrowSize, arrowNormPerc;

        Ui::ArrowLayer uiLayer;
        QImage image;
        FlowDataWorkerVector flowDataWorker;
        QMutex rawDataMutex;
        Vector3* rawData;
};

#endif // H_LAYER_ARROWS

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