pxcolor.h

linux下的一款播放器

/* ***** BEGIN LICENSE BLOCK *****
 * Source last modified: $Id: pxcolor.h,v 1.2.16.1 2004/07/09 01:54:36 hubbe Exp $
 * 
 * Portions Copyright (c) 1995-2004 RealNetworks, Inc. All Rights Reserved.
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 * Source License (the "RPSL") available at
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 * the file under the current version of the RealNetworks Community
 * Source License (the "RCSL") available at
 * http://www.helixcommunity.org/content/rcsl, in which case the RCSL
 * will apply. You may also obtain the license terms directly from
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 * This file is part of the Helix DNA Technology. RealNetworks is the
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 * ***** END LICENSE BLOCK ***** */

#ifndef _PXCOLOR_H
#define _PXCOLOR_H

class PXColor : public CHXBaseCountingObject,
                public CUnknownIMP
{
    DECLARE_UNKNOWN(PXColor)
public:
    PXColor();
    PXColor(const PXColor &rColor);
    PXColor(BYTE ucR, BYTE ucG, BYTE ucB, BYTE ucA = 0);
    ~PXColor() {};

    const PXColor& operator=  (const PXColor& rColor);
    BOOL           operator== (const PXColor& rColor) const;
    BOOL           operator!= (const PXColor& rColor) const;

    BYTE      GetRed()   const { return m_ucRed;   };
    BYTE      GetGreen() const { return m_ucGreen; };
    BYTE      GetBlue()  const { return m_ucBlue;  };
    BYTE      GetAlpha() const { return m_ucAlpha; };
    void      SetRed(BYTE ucRed)     { m_ucRed   = ucRed;   };
    void      SetGreen(BYTE ucGreen) { m_ucGreen = ucGreen; };
    void      SetBlue(BYTE ucBlue)   { m_ucBlue  = ucBlue;  };
    void      SetAlpha(BYTE ucAlpha) { m_ucAlpha = ucAlpha; };
    void      Set(BYTE ucR, BYTE ucG, BYTE ucB, BYTE ucA = 0);
    void      Set(UINT32 ulColor);

    void      Pack(BYTE * &pBuffer, UINT32 ulMajVer, UINT32 ulMinVer);
    void      UnPack(BYTE * &pBuffer, UINT32 ulMajVer, UINT32 ulMinVer);
    HX_RESULT InitFromString(const char *pszStr);
private:
    BYTE m_ucRed;
    BYTE m_ucGreen;
    BYTE m_ucBlue;
    BYTE m_ucAlpha;

    enum {kNumPredefinedColors = 16};

    static const UINT32      m_pulPredefinedColor[kNumPredefinedColors];
    static const char* const m_ppPredefinedColorName[kNumPredefinedColors];
};

inline void PXColor::Set(BYTE ucR, BYTE ucG, BYTE ucB, BYTE ucA)
{
    m_ucRed   = ucR;
    m_ucGreen = ucG;
    m_ucBlue  = ucB;
    m_ucAlpha = ucA;
};

inline PXColor::PXColor()
{
    Set(0, 0, 0, 0);
};

inline PXColor::PXColor(const PXColor &rColor)
{
    m_ucRed   = rColor.m_ucRed;
    m_ucGreen = rColor.m_ucGreen;
    m_ucBlue  = rColor.m_ucBlue;
    m_ucAlpha = rColor.m_ucAlpha;
};

inline PXColor::PXColor(BYTE ucR, BYTE ucG, BYTE ucB, BYTE ucA)
{
    Set(ucR, ucG, ucB, ucA);
};

inline const PXColor& PXColor::operator= (const PXColor& rColor)
{
    m_ucRed   = rColor.m_ucRed;
    m_ucGreen = rColor.m_ucGreen;
    m_ucBlue  = rColor.m_ucBlue;
    m_ucAlpha = rColor.m_ucAlpha;
    return *this;
};

inline BOOL PXColor::operator== (const PXColor& rColor) const
{
    BOOL bRet = TRUE;
    if (m_ucRed   != rColor.m_ucRed   ||
        m_ucGreen != rColor.m_ucGreen ||
        m_ucBlue  != rColor.m_ucBlue  ||
        m_ucAlpha != rColor.m_ucAlpha)
    {
        bRet = FALSE;
    }
    return bRet;
}

inline BOOL PXColor::operator!= (const PXColor& rColor) const
{
    BOOL bRet = FALSE;
    if (m_ucRed   != rColor.m_ucRed   ||
        m_ucGreen != rColor.m_ucGreen ||
        m_ucBlue  != rColor.m_ucBlue  ||
        m_ucAlpha != rColor.m_ucAlpha)
    {
        bRet = TRUE;
    }
    return bRet;
}

inline void PXColor::Set(UINT32 ulColor)
{
    m_ucRed   = (BYTE) ((ulColor >> 16) && 0x000000FF);
    m_ucGreen = (BYTE) ((ulColor >>  8) && 0x000000FF);
    m_ucBlue  = (BYTE) ( ulColor        && 0x000000FF);
    m_ucAlpha = (BYTE) ((ulColor >> 24) && 0x000000FF);
}

#endif