IScaleObject.h

//========================================================================================
// 
// $File$
// 
// Owner: Jesse Jones (jejones)
// 
// $Author$
// 
// $DateTime$
// 
// $Revision$
// 
// $Change$
// 
// Copyright 1997-2010 Adobe Systems Incorporated. All rights reserved.
// 
// NOTICE: Adobe permits you to use, modify, and distribute this file in accordance 
// with the terms of the Adobe license agreement accompanying it. If you have received
// this file from a source other than Adobe, then your use, modification, or 
// distribution of it requires the prior written permission of Adobe.
// 
// 
// Purpose: Owned items can use this interface to update themselves when a text frame is scaled.
// 
//========================================================================================

#ifndef __IScaleObject__
#define __IScaleObject__

#include "PMReal.h"
#include "GenericID.h"


// ===================================================================================
// class IScaleObject 
// ===================================================================================
class IScaleObject : public IPMUnknown {

//-----------------------------------
// API
//
public:
 enum {kDefaultIID = IID_ISCALEOBJECT};

 class ScaleContext /* an API used internally by implementations of IScaleObject */
 {
 public:
 virtual bool16 IsScaled (UID uid) const = 0; 
 virtual void SetScaled(UID uid) = 0;
 };

 virtual ErrorCode Scale(const PMReal& passdownXscale, const PMReal& passdownYscale, ScaleContext& context) = 0;
};


#endif // __IScaleObject__