// $Revision: 1.25 $
// Copyright (C) 1994 Taligent, Inc. All rights reserved.

#ifndef Taligent_CANVASCOMMANDS
#define Taligent_CANVASCOMMANDS

#ifndef Taligent_GRAFEDIT
#include <Taligent/GrafEdit.h>
#endif
#ifndef Taligent_PRIMITIVECLASSES
#include <Taligent/PrimitiveClasses.h>
#endif
#ifndef Taligent_CANVASCORECOMMANDS
#include <Taligent/CanvasCoreCommands.h>
#endif

// Classes defined in this file:

class TSetCanvasGraphicFillColorCmd;
class TSetCanvasGraphicFrameColorCmd;
class TSetCanvasGraphicLineWidthCmd;
class TScaleCanvasGraphicCms;
class TRotateCanvasGraphicCmd;
class TTranslateCanvasGraphicCmd;
class TTransformCanvasGraphicCmd;



// ********************************************************************************
// class			TSetCanvasGraphicFillColorCmd
//
// description		A command that sets the fill color of each graphic in the
//					selection.  It also saves the old colors for individual graphics
//					and associates them with the graphic ids.  When called to 
//					undo, it looks up the old color associated with the id and re-applies
//					it.
//
// ********************************************************************************

class TSetCanvasGraphicFillColorCmd : public TChangeCanvasGraphicCmd
{
	public:
	
		TSetCanvasGraphicFillColorCmd ();
		TSetCanvasGraphicFillColorCmd (const TColor&);
		TSetCanvasGraphicFillColorCmd (const TSetCanvasGraphicFillColorCmd&);
		
		virtual							~TSetCanvasGraphicFillColorCmd ();
		
 		//========================================
  		// MCollectible Overrides
  		//========================================
  		
		MCollectibleDeclarationsMacro (TSetCanvasGraphicFillColorCmd);

		virtual	TStream&				operator>>= (TStream&) const;
		virtual	TStream&				operator<<= (TStream&);
		TSetCanvasGraphicFillColorCmd&	operator= (const TSetCanvasGraphicFillColorCmd&);
		
		virtual void					SetColor (const TColor&);
		
	protected:
	
 		//========================================
  		// TChangeCanvasGraphicCmd Overrides
  		//========================================
  		
		virtual void					BeginChange (MCanvasRepresentation&, MCanvasGraphic&);
		virtual void					ContinueChange (MCanvasRepresentation&, MCanvasGraphic&);
		virtual void					UndoChange (MCanvasRepresentation&, MCanvasGraphic&);
		virtual void					RedoChange (MCanvasRepresentation&, MCanvasGraphic&);

#ifndef NO_Internal
	private:
		void*															fExtension;
		TDeleterFor<TColor>												fColor;
		TDeleterFor< TCanvasGraphicAssociationsWith<MCanvasGraphic> >	fUndoRedoMemory;
	
		enum Version { kOriginalVersion };	
#endif	
};


// ********************************************************************************
// class			TSetCanvasGraphicFrameColorCmd
//
// description		A command that sets the frame color of each graphic in the
//					selection.  It also saves the old colors for individual graphics
//					and associates them with the graphic ids.  When called to 
//					undo, it looks up the old color associated with the id and re-applies
//					it.
//
// ********************************************************************************

class TSetCanvasGraphicFrameColorCmd : public TChangeCanvasGraphicCmd
{
	public:
	
		TSetCanvasGraphicFrameColorCmd ();
		TSetCanvasGraphicFrameColorCmd (const TColor&);
		TSetCanvasGraphicFrameColorCmd (const TSetCanvasGraphicFrameColorCmd&);
		
		virtual							~TSetCanvasGraphicFrameColorCmd ();
		
 		//========================================
  		// MCollectible Overrides
  		//========================================
  		
		MCollectibleDeclarationsMacro (TSetCanvasGraphicFrameColorCmd);

		virtual	TStream&				operator>>= (TStream&) const;
		virtual	TStream&				operator<<= (TStream&);
		TSetCanvasGraphicFrameColorCmd&	operator= (const TSetCanvasGraphicFrameColorCmd&);
		
 		//========================================
  		// TSetCanvasGraphicFrameColorCmd Methods
  		//========================================
  		
		virtual void					SetColor (const TColor&);
		
	protected:
	
 		//========================================
  		// TChangeCanvasGraphicCmd Overrides
  		//========================================
  		
		virtual void					BeginChange (MCanvasRepresentation&, MCanvasGraphic&);
		virtual void					ContinueChange (MCanvasRepresentation&, MCanvasGraphic&);
		virtual void					UndoChange (MCanvasRepresentation&, MCanvasGraphic&);
		virtual void					RedoChange (MCanvasRepresentation&, MCanvasGraphic&);

#ifndef NO_Internal
	private:
		void*															fExtension;
		TDeleterFor<TColor>												fColor;
		TDeleterFor< TCanvasGraphicAssociationsWith<MCanvasGraphic> >	fUndoRedoMemory;
	
		enum Version { kOriginalVersion };
#endif
};



// ********************************************************************************
// class			TSetCanvasGraphicLineWidthCmd
//
// description		A command that sets the line width of each graphic in the
//					selection.  It also saves the old widths for individual graphics
//					and associates them with the graphic ids.  When called to 
//					undo, it looks up the old width associated with the id and reapplies
//					it.
//
// ********************************************************************************

class TSetCanvasGraphicLineWidthCmd : public TChangeCanvasGraphicCmd
{
	public:
	
		TSetCanvasGraphicLineWidthCmd ();
		TSetCanvasGraphicLineWidthCmd (GCoordinate);
		TSetCanvasGraphicLineWidthCmd (const TSetCanvasGraphicLineWidthCmd&);
		
		virtual							~TSetCanvasGraphicLineWidthCmd ();
		
 		//========================================
  		// MCollectible Overrides
  		//========================================
  		
		MCollectibleDeclarationsMacro (TSetCanvasGraphicLineWidthCmd);

		virtual	TStream&				operator>>= (TStream&) const;
		virtual	TStream&				operator<<= (TStream&);
		TSetCanvasGraphicLineWidthCmd&	operator= (const TSetCanvasGraphicLineWidthCmd&);
				
 		//========================================
  		// TSetCanvasGraphicLineWidthCmd Methods
  		//========================================
  		
		virtual void					SetWidth (GCoordinate);
		
	protected:
	
 		//========================================
  		// TChangeCanvasGraphicCmd Overrides
  		//========================================
  		
		virtual void					BeginChange (MCanvasRepresentation&, MCanvasGraphic&);
		virtual void					ContinueChange (MCanvasRepresentation&, MCanvasGraphic&);
		virtual void					UndoChange (MCanvasRepresentation&, MCanvasGraphic&);
		virtual void					RedoChange (MCanvasRepresentation&, MCanvasGraphic&);

#ifndef NO_Internal
	private:
		void*															fExtension;
		GCoordinate														fWidth;
		TDeleterFor< TCanvasGraphicAssociationsWith<MCanvasGraphic> >	fUndoRedoMemory;
	
		enum Version { kOriginalVersion };
#endif
};


// ********************************************************************************
// class			TScaleCanvasGraphicCmd
//
// description		A command that scales each graphic in the selection by a 
//					specified scale factor (x and y) around a specified center of
//					scaling.  All scaling can be centered around a single
//					absolute point, or around a relative point (top, bottom,
//					left, right, or center) with respect to each graphic in the
//					selection.  Undo reverses the scaling.  Round-off error
//					can make this slightly imprecise, but it's much cheaper than
//					cloning the entire graphics for undo.
//
// ********************************************************************************

class TScaleCanvasGraphicCmd : public TChangeCanvasGraphicCmd
{
	public:
	
		TScaleCanvasGraphicCmd ();
		TScaleCanvasGraphicCmd (const TGPoint& centerOfScale);
		TScaleCanvasGraphicCmd (const TGPoint& scaleFactor, const TGPoint& centerOfScale);
		TScaleCanvasGraphicCmd (const TScaleCanvasGraphicCmd&);
		
		virtual						~TScaleCanvasGraphicCmd ();
		
 		//========================================
  		// MCollectible Overrides
  		//========================================
  		
		MCollectibleDeclarationsMacro (TScaleCanvasGraphicCmd);

		virtual	TStream&			operator>>= (TStream&) const;
		virtual	TStream&			operator<<= (TStream&);
		TScaleCanvasGraphicCmd&		operator= (const TScaleCanvasGraphicCmd&);
		
 		//========================================
  		// TScaleCanvasGraphicCmd Methods
  		//========================================
  		
		virtual void				SetScaleFactor (const TGPoint&);

#ifndef NO_Internal
		virtual	void				HandleStreamOutIncrementDelta(TStream&) const;
		virtual	void				HandleStreamInIncrementDelta(TStream&);
#endif

		
	protected:
	
 		//========================================
  		// TChangeCanvasGraphicCmd Overrides
  		//========================================
  		
		virtual void				BeginChange (MCanvasRepresentation&, MCanvasGraphic&);
		virtual void				ContinueChange (MCanvasRepresentation&, MCanvasGraphic&);
		virtual void				UndoChange (MCanvasRepresentation&, MCanvasGraphic&);
		virtual void				RedoChange (MCanvasRepresentation&, MCanvasGraphic&);




#ifndef NO_Internal
	private:
		void*															fExtension;
		TGPoint															fScaleFactor;
		TGPoint															fCenter;
		TDeleterFor< TCanvasGraphicAssociationsWith<MCanvasGraphic> >	fUndoRedoMemory;
	
		enum Version { kOriginalVersion };
#endif	
};



// ********************************************************************************
// class			TRotateCanvasGraphicCmd
//
// description		A command that rotates each graphic in the selection by a 
//					specified number of degrees around a specified center of
//					rotation.  All rotation can be centered around a single
//					absolute point, or around a relative point (top, bottom,
//					left, right, or center) with respect to each graphic in the
//					selection.  Undo reverses the rotation.  Round-off error
//					can make this slightly imprecise, but it's much cheaper than
//					cloning the entire graphics for undo.
//
// ********************************************************************************

class TRotateCanvasGraphicCmd : public TChangeCanvasGraphicCmd
{
	public:
	
 		TRotateCanvasGraphicCmd ();
		TRotateCanvasGraphicCmd (const TGPoint& centerOfRotation);
		TRotateCanvasGraphicCmd (GDegrees degrees, const TGPoint& centerOfRotation);
		TRotateCanvasGraphicCmd (const TRotateCanvasGraphicCmd&);
		
		virtual						~TRotateCanvasGraphicCmd ();
		
 		//========================================
  		// MCollectible Overrides
  		//========================================
  		
		MCollectibleDeclarationsMacro (TRotateCanvasGraphicCmd);

		virtual	TStream&			operator>>= (TStream&) const;
		virtual	TStream&			operator<<= (TStream&);
		TRotateCanvasGraphicCmd&	operator= (const TRotateCanvasGraphicCmd&);

 		//========================================
  		// TRotateCanvasGraphicCmd Methods
  		//========================================
  		
		virtual void				SetAngle (GDegrees);
		
	protected:
	
 		//========================================
  		// TChangeCanvasGraphicCmd Overrides
  		//========================================
  		
		virtual void				BeginChange (MCanvasRepresentation&, MCanvasGraphic&);
		virtual void				ContinueChange (MCanvasRepresentation&, MCanvasGraphic&);
		virtual void				UndoChange (MCanvasRepresentation&, MCanvasGraphic&);
		virtual void				RedoChange (MCanvasRepresentation&, MCanvasGraphic&);

#ifndef NO_Internal
		virtual	void				HandleStreamOutIncrementDelta(TStream&) const;
		virtual	void				HandleStreamInIncrementDelta(TStream&);
#endif


#ifndef NO_Internal
	private:
		void*															fExtension;
		GDegrees														fAngle;
		TGPoint															fCenter;
		TDeleterFor< TCanvasGraphicAssociationsWith<MCanvasGraphic> >	fUndoRedoMemory;
	
		enum Version { kOriginalVersion };
#endif	
};



// ********************************************************************************
// class			TTranslateCanvasGraphicCmd
//
// description		A command that translates each graphic in the selection by a 
//					specified offset (x and y).  Undo reverses the translation.  
//					Round-off error can make this slightly imprecise, but it's much
//					cheaper than cloning the entire graphics for undo.
//
// ********************************************************************************

class TTranslateCanvasGraphicCmd : public TChangeCanvasGraphicCmd
{
	public:
	
		TTranslateCanvasGraphicCmd ();
		TTranslateCanvasGraphicCmd (const TGPoint& offset);
		TTranslateCanvasGraphicCmd (const TTranslateCanvasGraphicCmd&);
		
		virtual							~TTranslateCanvasGraphicCmd ();
		
 		//========================================
  		// MCollectible Overrides
  		//========================================
  		
		MCollectibleDeclarationsMacro (TTranslateCanvasGraphicCmd);

		virtual	TStream&				operator>>= (TStream&) const;
		virtual	TStream&				operator<<= (TStream&);
		TTranslateCanvasGraphicCmd&		operator= (const TTranslateCanvasGraphicCmd&);
		
 		//========================================
  		// TTranslateCanvasGraphicCmd Methods
  		//========================================
  		
		virtual void					SetOffset (const TGPoint&);
		
	protected:
	
 		//========================================
  		// TChangeCanvasGraphicCmd Overrides
  		//========================================
  		
		virtual void					BeginChange (MCanvasRepresentation&, MCanvasGraphic&);
		virtual void					ContinueChange (MCanvasRepresentation&, MCanvasGraphic&);
		virtual void					UndoChange (MCanvasRepresentation&, MCanvasGraphic&);
		virtual void					RedoChange (MCanvasRepresentation&, MCanvasGraphic&);

#ifndef NO_Internal
		virtual	void				HandleStreamOutIncrementDelta(TStream&) const;
		virtual	void				HandleStreamInIncrementDelta(TStream&);
#endif


#ifndef NO_Internal
	private:
		void*															fExtension;
		TGPoint															fOffset;
		TDeleterFor< TCanvasGraphicAssociationsWith<MCanvasGraphic> >	fUndoRedoMemory;
	
		enum Version { kOriginalVersion };
#endif	
};


// ********************************************************************************
// class			TTransformCanvasGraphicCmd
//
// description		A command that transforms each graphic in the selection by a 
//					specified graf matrix.  Undo reverses the transformation.  
//					Round-off error can make this slightly imprecise, but it's much
//					cheaper than cloning the entire graphics for undo.
//
// ********************************************************************************

class TTransformCanvasGraphicCmd : public TChangeCanvasGraphicCmd
{
	public:
	
		TTransformCanvasGraphicCmd ();
		TTransformCanvasGraphicCmd (const TGrafMatrix&);
		TTransformCanvasGraphicCmd (const TTransformCanvasGraphicCmd&);
		
		virtual							~TTransformCanvasGraphicCmd ();
		
 		//========================================
  		// MCollectible Overrides
  		//========================================
  		
		MCollectibleDeclarationsMacro (TTransformCanvasGraphicCmd);

		virtual	TStream&				operator>>= (TStream&) const;
		virtual	TStream&				operator<<= (TStream&);
		TTransformCanvasGraphicCmd&		operator= (const TTransformCanvasGraphicCmd&);
		
 		//========================================
  		// TTransformCanvasGraphicCmd Methods
  		//========================================
  		
		virtual void					SetTransform (const TGrafMatrix&);

#ifndef NO_Internal
		virtual	void				HandleStreamOutIncrementDelta(TStream&) const;
		virtual	void				HandleStreamInIncrementDelta(TStream&);
#endif

	protected:
	
 		//========================================
  		// TChangeCanvasGraphicCmd Overrides
  		//========================================
  		
		virtual void					BeginChange (MCanvasRepresentation&, MCanvasGraphic&);
		virtual void					ContinueChange (MCanvasRepresentation&, MCanvasGraphic&);
		virtual void					UndoChange (MCanvasRepresentation&, MCanvasGraphic&);
		virtual void					RedoChange (MCanvasRepresentation&, MCanvasGraphic&);

#ifndef NO_Internal
	private:
		void*															fExtension;
		TDeleterFor<TGrafMatrix>										fTransform;
		TDeleterFor< TCanvasGraphicAssociationsWith<MCanvasGraphic> >	fUndoRedoMemory;
	
		enum Version { kOriginalVersion };
#endif	
};



#endif // Taligent_CANVASCOMMANDS