Customized Visual Studio .NET package: your fully integrated document window inside the IDE

#pragma once


#include "graphicobject.h"
#include "dataobject.h"


class CHistogram :
	public CGraphicObject, public CDataObject
{
public:
	CHistogram(void);
	~CHistogram(void);
	void Init( int iX, int iY, int iCX, int iCY );
	void Draw(HDC hDC);
	BOOL UserAction(UINT uMsg, LPVOID pParams);

	void AddData(BYTE *ucValues, int iLength);

protected:
	virtual void	DrawBars(HDC hDC);
	virtual void	DrawBk(HDC hDC);
			void	UpdateDX();
			void	UpdateYRatio();	
	static const int m_ciMaxDataSize = 16;
	DWORD m_adwData[m_ciMaxDataSize];
	HBRUSH m_hbrBar;
	HBRUSH m_hbrBk;
	HBRUSH m_hbrSel;
	int		m_iSelIndx;
	int		m_iDX;
	double	m_lfYRatio;

	class CHistogramState
	{
	public:
		CHistogramState();
		void SaveState( CHistogram* pHist );
		void Swap( CHistogram* pHist );
	protected:
		DWORD m_adwData[CHistogram::m_ciMaxDataSize];	
		int m_iSelIndx;
		DWORD m_dwCmdState;
	};
	class CClipBoard
	{
	public:
		CClipBoard(): m_dwData(0) {};
		void Copy( CHistogram* pHist ) { m_dwData = pHist->m_adwData[pHist->m_iSelIndx]; }
		void Paste(CHistogram* pHist ) { pHist->m_adwData[pHist->m_iSelIndx] = m_dwData; }
	protected:
		DWORD m_dwData;
	};
	CHistogramState*	m_pLastState;
	CClipBoard*			m_pCB;
};