selectionboxsprite.h

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/*
 *
 * selectionboxsprite.h
 *
   Copyright (C) 2006 Michael H. Overlin

   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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   
   Contact at [e-mail]
 *
 */

#ifndef SELECTIONBOXSPRITE_H
#define SELECTIONBOXSPRITE_H

#include "sprite.h"
#include "types.h"

enum BoxPart { eTopLeft, eTop, eTopRight, eRight, eBottomRight, eBottom, eBottomLeft, eLeft, eBoxPartNUMBER };

void OffsetBoxPart(IN OUT RECTD& rd, IN const POINTD& ptdOffset, IN BoxPart bp) ;


void GetBoxPoint(OUT POINT& pt, IN const RECT& r, IN BoxPart bp) ;
void SetRect(OUT RECT& r, IN const POINT& pt, IN BoxPart bpPt, IN const SIZE& sz) ;

class SelectionBoxSprite : public CompositeNextStateRegionSprite {
public:

	struct Spec {
		int nLineWidth;
		int nBoxSize;
		COLORREF clr;
	};

	SelectionBoxSprite(const RECT& rView, const Spec& spec);

	BOOL BoxPartFromPt(IN const POINT& pt, OUT BoxPart& bp)const ;

	//BOOL IsVisible(void) const { return this->GetState().bVisible; }
	//const RECT& GetBox(void) const { return m_rBox; }
	void SetNextBox(const RECT& rBox);
	void SetNextInvisible(void);

	virtual void Next(void) { 
		CompositeNextStateRegionSprite::Next(); 
		m_rBox = m_rBoxNext; 
	}


protected:
	void GetBoxPartRect(OUT RECT& rPart, IN const RECT& rBox, IN BoxPart bp) const;
	void GetMaxBoxPartSize(OUT SIZE& sz, IN BoxPart bp) const; 
	void GetBoxPartSize(OUT SIZE& sz, IN BoxPart bp, IN const RECT& rBox) const;

	Spec m_spec;
	RECT m_rView;
	RECT m_rBox;
	RECT m_rBoxNext;
};

#endif