qwt3d_waterfall.h

#ifndef QWT3D_WATERFALL_H
#define QWT3D_WATERFALL_H
 
#include "qwt3d_plotitem.h"
#include "qwt3d_types.h"
#include "qwt3d_color.h"
 
#include <QVector>
 
class QWT3D_EXPORT Qwt3DWaterfall : public Qwt3DPlotItem
{
    QWT_DECLARE_PRIVATE(Qwt3DWaterfall)
 
public:
    enum PlotStyle
    {
        Ribbon,      
        RibbonMesh,  
        Wireframe,   
        Tube         
    };
 
    enum ColorMode
    {
        ByDepth,      
        ByAmplitude,  
        Solid         
    };
 
    enum DepthOrder
    {
        NewestInFront,  
        NewestBehind    
    };
 
    Qwt3DWaterfall();
    ~Qwt3DWaterfall() override;
 
    // ---- Data / sliding window ----
 
    int traceCapacity() const;
    void setTraceCapacity(int count);
    int traceCount() const;
    int samplesPerTrace() const;
 
    void pushTrace(const double* values, int count);
    void pushTrace(const QVector<double>& values);
    void clear();
 
    void setBinValues(const QVector<double>& x);
    QVector<double> binValues() const;
 
    DepthOrder depthOrder() const;
    void setDepthOrder(DepthOrder order);
 
    // ---- Style ----
 
    PlotStyle plotStyle() const;
    void setPlotStyle(PlotStyle style);
    ColorMode colorMode() const;
    void setColorMode(ColorMode mode);
 
    void setColor(RGBA color);
    RGBA color() const;
 
    void setDataColor(Qwt3DColor* color);
    const Qwt3DColor* dataColor() const;
    void invalidateColors();
 
    void setColorRange(double min, double max);
    void resetColorRange();
    bool hasFixedColorRange() const;
 
    double baseline() const;
    void setBaseline(double value);
    void resetBaseline();
 
    double opacity() const;
    void setOpacity(double alpha);
 
    RGBA outlineColor() const;
    void setOutlineColor(RGBA color);
    double outlineWidth() const;
    void setOutlineWidth(double width);
 
    // ---- Qwt3DPlotItem interface ----
 
    int rtti() const override;
    void draw() override;
    ParallelEpiped hull() const override;
    void populateLegendColors(ColorVector& colors) const override;
 
private:
    void buildVBO();
    void buildOutlineVBO();
    void buildTubeVBO();
    void pushColorRange() const;
    void ensureDataColor();
};
 
#endif // QWT3D_WATERFALL_H