E:/Sources Misc/ChartDemo/ChartCtrl/ChartLegend.h

/*
 *
 *      ChartLegend.h
 *
 *      Written by Cédric Moonen (cedric_moonen@hotmail.com)
 *
 *
 *
 *      This code may be used for any non-commercial and commercial purposes in a compiled form.
 *      The code may be redistributed as long as it remains unmodified and providing that the 
 *      author name and this disclaimer remain intact. The sources can be modified WITH the author 
 *      consent only.
 *      
 *      This code is provided without any garanties. I cannot be held responsible for the damage or
 *      the loss of time it causes. Use it at your own risks
 *
 *      An e-mail to notify me that you are using this code is appreciated also.
 *
 *
 */

#if !defined(AFX_CHARTLEGEND_H__CD72E5A0_8F52_472A_A611_C588F642080B__INCLUDED_)
#define AFX_CHARTLEGEND_H__CD72E5A0_8F52_472A_A611_C588F642080B__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include "ChartCtrl.h"

#include "ChartString.h"

class CChartSerie;


class CChartLegend  
{
        friend CChartCtrl;

public:
        void SetFont(int iPointSize, const TChartString& strFaceName);

        enum DockSide
        {
                dsDockRight,
                dsDockLeft,
                dsDockTop,
                dsDockBottom
        };

        void DockLegend(DockSide dsSide);

        void UndockLegend(int iLeftPos, int iTopPos);

        void SetTransparent(bool bTransparent);  

        void SetHorizontalMode(bool bHorizontal);

        void SetVisible(bool bVisible);
        bool IsVisible()  const         { return m_bIsVisible; }

        COLORREF GetBackColor() const                      { return m_BackColor; }
        void SetBackColor(COLORREF NewColor);
        COLORREF GetShadowColor() const            { return m_ShadowColor; }
        void SetShadowColor(COLORREF NewColor);
        void EnableShadow(bool bEnable);
        void SetShadowDepth(int Depth);

        BOOL IsPointInside(const CPoint& screenPoint) const;

private:
        CChartLegend(CChartCtrl* pParent);
        virtual ~CChartLegend();

        void Draw(CDC* pDC);
        void ClipArea(CRect& rcControl, CDC* pDC);
        void UpdatePosition(CDC* pDC, const CRect& rcControl);

        CChartCtrl* m_pParentCtrl;
        CRect m_LegendRect;

        TChartString m_strFontName;
        int          m_iFontSize;

        bool m_bDocked; 
        DockSide m_DockSide;

        int m_iLeftPos;
        int m_iTopPos;

        bool m_bIsVisible;
        bool m_bIsTransparent;
        bool m_bIsHorizontal;
        bool m_bShadow;
        int m_iShadowDepth;

        COLORREF m_BackColor;
        COLORREF m_ShadowColor;

        CSize m_BitmapSize;
};

#endif // !defined(AFX_CHARTLEGEND_H__CD72E5A0_8F52_472A_A611_C588F642080B__INCLUDED_)

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