RmMFCColorSlider.h

//=================================================================================================//
// filename: RmMFCColorSlider.h                                                                    //
//                                                                                                 //
//           ATI Research, Inc.                                                                    //
//           3D Application Research Group                                                         //
//                                                                                                 //
// description: Defines the CRmColorSlider class.                                                  //
//                                                                                                 //
//=================================================================================================//
//   (C) 2004 ATI Research, Inc.  All rights reserved.                                             //
//=================================================================================================//

#ifndef _RM_MFC_UTILITIES_COLOR_SLIDER_H_
#define _RM_MFC_UTILITIES_COLOR_SLIDER_H_

#include <MFCUtilities/RmMFCTypes.h>

#define MAX_COLOR_SLIDER_COLORS 32

//=================================================================================================//
// Class:         CRmColorSlider                                                                   //
//                                                                                                 //
// Description:   Class definition for CRmColorSlider                                              //
//                Derived from CSliderCtrl, this class                                             //
//                creates a color slider control                                                   //
//=================================================================================================//
class RMMFCUTIL_API CRmColorSlider: public CSliderCtrl
{
public: // Public member functions

   // Construction
        CRmColorSlider();
        
        // Destruction
        virtual ~CRmColorSlider();

public: // Public member functions

        // ClassWizard generated virtual function overrides
        //{{AFX_VIRTUAL(CColorSlider)
        //}}AFX_VIRTUAL
        
protected: // Protected member functions

   void  SetValueFromPoint( CPoint *pPoint );

        //{{AFX_MSG(CColorSlider)
        afx_msg void OnPaint();
        afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
        afx_msg void OnLButtonUp(UINT nFlags, CPoint point);
        afx_msg void OnMouseMove(UINT nFlags, CPoint point);
        afx_msg void OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags);
        afx_msg BOOL OnMouseWheel(UINT nFlags, short zDelta, CPoint pt);
   afx_msg LRESULT OnValueChanged( WPARAM wParam, LPARAM lParam );
   afx_msg void OnCaptureChanged(CWnd *pWnd);
        //}}AFX_MSG

        DECLARE_MESSAGE_MAP()

public: // Public member variables

   float *m_pfValue;
   CPoint m_oldPoint;

   float m_fColorArray[ MAX_COLOR_SLIDER_COLORS ][ 3 ];
   int   m_nNumColors;
   
private: // Private membet variables

   bool  m_bLButtonDown;
   int   m_nChangeMessageIndex;

}; // end class RMMFCUTIL_API CRmColorSlider: public CSliderCtrl

#endif // !defined( RMMFC_CCOLORSLIDER_DEFINE )

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