areadraw.h

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

#ifndef AREADRAW_H_
#define AREADRAW_H_

#include <wx/wxfreechartdefs.h>
#include <wx/hashmap.h>

#include <wx/drawobject.h>

class WXDLLIMPEXP_FREECHART AreaDraw : public DrawObject
{
public:
    AreaDraw();

    virtual ~AreaDraw();

    virtual void Draw(wxDC &dc, wxRect rc) = 0;
};

class WXDLLIMPEXP_FREECHART NoAreaDraw : public AreaDraw
{
public:
    NoAreaDraw();

    virtual ~NoAreaDraw();

    virtual void Draw(wxDC &dc, wxRect rc);
};

class WXDLLIMPEXP_FREECHART FillAreaDraw : public AreaDraw
{
public:
    FillAreaDraw(wxPen borderPen = (wxPen) *wxBLACK_PEN, wxBrush fillBrush =  (wxBrush) *wxWHITE_BRUSH);

    FillAreaDraw(wxColour borderColour, wxColour fillColour);

    virtual ~FillAreaDraw();

    virtual void Draw(wxDC &dc, wxRect rc);

    const wxPen &GetBorderPen()
    {
        return m_borderPen;
    }

    void SetBorderPen(wxPen borderPen)
    {
        m_borderPen = borderPen;
        FireNeedRedraw();
    }

    const wxBrush &GetFillBrush()
    {
        return m_fillBrush;
    }

    void SetFillBrush(wxBrush fillBrush)
    {
        m_fillBrush = fillBrush;
        FireNeedRedraw();
    }

private:
    wxBrush m_fillBrush;
    wxPen m_borderPen;
};

class WXDLLIMPEXP_FREECHART GradientAreaDraw : public AreaDraw
{
public:
    GradientAreaDraw(wxPen borderPen = *wxBLACK_PEN,
            wxColour colour1 = wxColour(200, 220, 250),
            wxColour colour2 = wxColour(255, 255, 255),
            wxDirection dir = wxEAST);

    virtual ~GradientAreaDraw();

    virtual void Draw(wxDC &dc, wxRect rc);

    void SetColour1(wxColour colour1)
    {
        m_colour1 = colour1;
        FireNeedRedraw();
    }

    void SetColour2(wxColour colour2)
    {
        m_colour2 = colour2;
        FireNeedRedraw();
    }

    void SetDirection(wxDirection dir)
    {
        m_dir = dir;
        FireNeedRedraw();
    }

private:
    wxPen m_borderPen;

    wxColour m_colour1;
    wxColour m_colour2;
    wxDirection m_dir;
};

WX_DECLARE_HASH_MAP(int, AreaDraw *, wxIntegerHash, wxIntegerEqual, AreaDrawMap);
class AreaDrawMap;

class WXDLLIMPEXP_FREECHART AreaDrawCollection
{
public:
    AreaDrawCollection();
    virtual ~AreaDrawCollection();

    void SetAreaDraw(int serie, AreaDraw *areaDraw);

    AreaDraw *GetAreaDraw(int serie);

private:
    AreaDrawMap m_areas;
};

#endif /*AREADRAW_H_*/