legend.h

// Name:    legend.h
// Purpose: Legend declaration.
// Author:  Moskvichev Andrey V.
// Created: 2008/11/07
// Copyright:   (c) 2008-2010 Moskvichev Andrey V.
// Licence: wxWidgets licence

#ifndef LEGEND_H_
#define LEGEND_H_

#include <wx/wxfreechartdefs.h>
#include <wx/dataset.h>
#include <wx/areadraw.h>
#include <wx/category/categorydataset.h>
class WXDLLIMPEXP_FREECHART Legend
{
public:
    const static wxCoord labelsSpacing;

    Legend(int vertPosition, int horizPosition,
            AreaDraw *background = new FillAreaDraw(), int symbolTextGap = 2, int margin = 2);

    virtual ~Legend();

    void Draw(wxDC &dc, wxRect rc, DatasetArray &datasets);
    void Draw(wxDC &dc, wxRect rc, CategoryDataset &dataset);

    int GetVertPosition()
    {
        return m_vertPosition;
    }

    int GetHorizPosition()
    {
        return m_horizPosition;
    }

    void SetTextFont(wxFont font)
    {
        m_font = font;
    }

    wxFont GetTextFont()
    {
        return m_font;
    }

    wxSize GetExtent(wxDC &dc, DatasetArray &datasets);
    wxSize GetExtent(wxDC &dc, CategoryDataset &dataset);

private:
    int m_vertPosition;
    int m_horizPosition;

    wxFont m_font;

    AreaDraw *m_background;

    int m_symbolTextGap;
    int m_margin;
};

#endif /*LEGEND_H_*/