pixslidercontrol.h

FreeAMP(MP3播放)程序源代码-用来研究MP3解码

/*____________________________________________________________________________

   FreeAmp - The Free MP3 Player

   Portions Copyright (C) 1999-2000 EMusic

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

   $Id: PixSliderControl.h,v 1.1 2000/06/13 20:24:32 ijr Exp $
____________________________________________________________________________*/ 

#ifndef INCLUDED_PIXSLIDERCONTROL_H__
#define INCLUDED_PIXSLIDERCONTROL_H__

// The debugger can't handle symbols more than 255 characters long.
// STL often creates symbols longer than that.
// When symbols are longer than 255 characters, the warning is disabled.
#ifdef WIN32
#pragma warning(disable:4786)
#endif

#include <string>

using namespace std;

#include "Control.h"

class PixSliderControl : public Control
{
    public:

               PixSliderControl(Window *pParent, string &oName,
                                 int iNumStates, bool bActivationReveal);
      virtual ~PixSliderControl(void);

      void Transition(ControlTransitionEnum eTrans, Pos *pMousePos);
      virtual void Init(void);
      virtual bool PosInControl(Pos &oPos);
      void SetActivationBitmap(Bitmap *pBitmap, Rect oRect, bool bSmooth);

    private:

      int GetStateNum(Pos &oPos);
      void DrawReveal(Pos &oPos);
      void DrawReveal(int reveal);

      int            m_iState, m_iNumStates;

      Bitmap        *m_pActivationBitmap;
      bool           m_bSmooth;
      bool           m_bHasActivationBitmap;
      Rect           m_oActivationRect;
      bool           m_bActivationReveal;
      int            m_iOldRevealPos;
};

#endif