// $Revision: 1.3 $
// Copyright (C) 1994-1995 Taligent, Inc. All rights reserved.

#ifndef TaligentSamples_SHAREDCOLORSTYLE
#define TaligentSamples_SHAREDCOLORSTYLE

#ifndef Taligent_PRIMITIVECLASSES
#include <Taligent/PrimitiveClasses.h>
#endif

#ifndef Taligent_STYLE
#include <Taligent/Style.h>
#endif

#ifndef Taligent_STANDARDTEXT
#include <Taligent/StandardText.h>
#endif

#ifndef Taligent_COLOR
#include <Taligent/Color.h>
#endif

class TSharedColorStyle : public TSharedStyle {
public:
    MCollectibleDeclarationsMacro(TSharedColorStyle);

                        TSharedColorStyle(const TColor&);
                        TSharedColorStyle(const TSharedColorStyle&);
    virtual             ~TSharedColorStyle();
    TSharedColorStyle&  operator=(const TSharedColorStyle&);

    virtual TStream&    operator>>=(TStream&) const;
    virtual TStream&    operator<<=(TStream&);
    
    const TColor*       GetColor() const;

private:
                        TSharedColorStyle() {};
    
    enum EVersion { kOriginalVersion };
};


class TInternalColorAttribute : public TInternalAttribute {
public:
    MCollectibleDeclarationsMacro(TInternalColorAttribute);

                            TInternalColorAttribute(const TColor& color);
    virtual                 ~TInternalColorAttribute();
    
    virtual const TToken&   GetName() const;
    
    const TColor*           GetColor() const;
    
    virtual TStream&        operator>>=(TStream&) const;
    virtual TStream&        operator<<=(TStream&);
    virtual long            Hash() const;
    virtual bool            IsEqual(const MCollectible* obj) const;
    
    virtual void            Finalize();

protected:
                            TInternalColorAttribute();
                            TInternalColorAttribute(const TInternalColorAttribute&);
    TInternalColorAttribute& operator=(const TInternalColorAttribute&); 

private:
    const TColor&           fColorRef;  // temporary to avoid copy before Finalize.
    TColor*                 fOwnedColor;
    
    const static TToken     fgName;
    const static TRGBColor  fgDefaultColor;

    enum EVersion { kOriginalVersion };
};

#endif // TaligentSamples_SHAREDCOLORSTYLE