marker.h

// Name:    marker.h
// Purpose: markers declarations
// Author:  Moskvichev Andrey V.
// Created: 2008/11/07
// Copyright:   (c) 2008-2010 Moskvichev Andrey V.
// Licence: wxWidgets licence

#ifndef MARKER_H_
#define MARKER_H_

#include <wx/wxfreechartdefs.h>
#include <wx/drawobject.h>
#include <wx/areadraw.h>

#include <wx/dynarray.h>

class Axis;

class WXDLLIMPEXP_FREECHART Marker : public DrawObject
{
public:
    Marker();
    virtual ~Marker();

    virtual void Draw(wxDC &dc, wxRect rcData, Axis *horizAxis, Axis *vertAxis) = 0;
};

WX_DECLARE_USER_EXPORTED_OBJARRAY(Marker *, MarkerArray, WXDLLIMPEXP_FREECHART);

class WXDLLIMPEXP_FREECHART PointMarker : public Marker
{
public:
    PointMarker();
    virtual ~PointMarker();

    virtual void Draw(wxDC &dc, wxRect rcData, Axis *horizAxis, Axis *vertAxis);

    void SetText(const wxString &text)
    {
        m_text = text;
        FireNeedRedraw();
    }

private:
    wxString m_text;
    wxFont m_textFont;
    wxColour m_textColour;
};

class WXDLLIMPEXP_FREECHART LineMarker : public Marker
{
public:
    LineMarker(wxPen linePen);

    LineMarker(wxColour lineColour, int lineWidth = 1);

    virtual ~LineMarker();

    virtual void Draw(wxDC &dc, wxRect rcData, Axis *horizAxis, Axis *vertAxis);

    void SetVerticalLine(double value);

    void SetHorizontalLine(double value);

    void SetValue(double value, bool horizontal);

private:
    wxPen m_linePen;

    double m_value;
    bool m_horizontal;
};

class WXDLLIMPEXP_FREECHART RangeMarker : public Marker
{
public:
    RangeMarker(AreaDraw *rangeAreaDraw);
    virtual ~RangeMarker();

    virtual void Draw(wxDC &dc, wxRect rcData, Axis *horizAxis, Axis *vertAxis);

    void SetVerticalRange(double minValue, double maxValue);

    void SetHorizontalRange(double minValue, double maxValue);

    void SetRange(double minValue, double maxValue, bool horizontal);

    void SetRangeAreaDraw(AreaDraw *rangeAreaDraw);

private:
    double m_minValue;
    double m_maxValue;
    bool m_horizontal;

    AreaDraw *m_rangeAreaDraw;
};

#endif /*MARKER_H_*/