rgbcolorview.h

I used MFC. that code is not perfect and have some problem. But its function is Ok. You just fix

// RGBcolorView.h : interface of the CRGBcolorView class
//
/////////////////////////////////////////////////////////////////////////////

#if !defined(AFX_RGBCOLORVIEW_H__07793479_C6CB_4471_A6C7_C0E869AD96FC__INCLUDED_)
#define AFX_RGBCOLORVIEW_H__07793479_C6CB_4471_A6C7_C0E869AD96FC__INCLUDED_

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


class CRGBcolorView : public CScrollView
{
protected: // create from serialization only
	CRGBcolorView();
	DECLARE_DYNCREATE(CRGBcolorView)

// Attributes
public:
	CRGBcolorDoc* GetDocument();

// Operations
public:

// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CRGBcolorView)
	public:
	virtual void OnDraw(CDC* pDC);  // overridden to draw this view
	virtual BOOL PreCreateWindow(CREATESTRUCT& cs);
	protected:
	virtual void OnInitialUpdate(); // called first time after construct
	virtual BOOL OnPreparePrinting(CPrintInfo* pInfo);
	virtual void OnBeginPrinting(CDC* pDC, CPrintInfo* pInfo);
	virtual void OnEndPrinting(CDC* pDC, CPrintInfo* pInfo);
	//}}AFX_VIRTUAL

// Implementation
public:
	virtual ~CRGBcolorView();
#ifdef _DEBUG
	virtual void AssertValid() const;
	virtual void Dump(CDumpContext& dc) const;
#endif

protected:

// Generated message map functions
protected:
	//{{AFX_MSG(CRGBcolorView)
	afx_msg void OnCovertYIQ();
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

#ifndef _DEBUG  // debug version in RGBcolorView.cpp
inline CRGBcolorDoc* CRGBcolorView::GetDocument()
   { return (CRGBcolorDoc*)m_pDocument; }
#endif

/////////////////////////////////////////////////////////////////////////////

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_RGBCOLORVIEW_H__07793479_C6CB_4471_A6C7_C0E869AD96FC__INCLUDED_)