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hugin1/base_wx/Plot2D.h

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// -*- c-basic-offset: 4 -*-
#ifndef _PLOT2D_H
#define _PLOT2D_H
//---------------------------------------------------------------------------

#include <vector>
//#include <stack>

class Plot2DWindow : public wxWindow
{
protected:
        //    TPen *FAPen;               // Datenelement fr den Stift
//    TBrush *FABrush;           // Datenelement fr den Pinsel
//    TPen *FGPen;               // Datenelement fr den Stift
//    TBrush *FGBrush;           // Datenelement fr den Pinsel
    std::vector <hugin_utils::FDiff2D> m_points;
    // axis properties
    double x_min,y_min, x_max, y_max;
    double m_XSpacing;
    double m_YSpacing;
    int m_axisDivLen;
    bool m_axisEqual;
    bool m_autosize;
    int m_borderLeft;
    int m_borderRight;
    int m_borderTop;
    int m_borderBottom;

    wxPen m_curvePen;
    wxPen m_axisPen;
    wxPen m_gridPen;

//    void calcBoundingBox();
    wxPoint ToScreen(const hugin_utils::FDiff2D & p, const hugin_utils::FDiff2D & scale) const;
//    void adjustRange();


    void OnPaint(wxPaintEvent &event);
    void Paint(wxDC & dc);
    void PaintAxis(wxDC & dc, const hugin_utils::FDiff2D & scale);
    double AxisRound(double d) const ;

    void Invalidate();

public:
    Plot2DWindow(wxWindow * parent, int id=-1, const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = 0);
    
    ~Plot2DWindow();
    
    void SetPoints(std::vector<hugin_utils::FDiff2D> &);

    template <class Functor>
    void Plot(Functor & f, double startx, double endx, int nPoints=100)
    {
        m_points.resize(nPoints);
        double deltax = (endx-startx)/nPoints;
        for (int i=0; i < nPoints; i++) {
            m_points[i] = hugin_utils::FDiff2D(startx, f(startx));
            startx +=deltax;
        }
        if (m_autosize) {
            AutoSizeAxis();
        } else {
            Invalidate();
        }
    }

    void SetAxis(double xstart, double xend,
                 double ystart, double yend);

    void AutoSizeAxis();

    void SetXSpacing(double x)
    {
        m_XSpacing = x;
        Invalidate();
    }

    void SetYSpacing(double y)
    {
        m_YSpacing = y;
        Invalidate();
    }

    void SetAxisDivLen(int x);

    void SetBorder(int x, int y);

    void AxisEqual(bool b){m_axisEqual=b;Invalidate();};

    void SetAutosize(bool a) {m_autosize = a;};
private:
    DECLARE_EVENT_TABLE()

};
//---------------------------------------------------------------------------
#endif

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