/************************************************************************
 ************************************************************************
    FAUST compiler
	Copyright (C) 2003-2004 GRAME, Centre National de Creation Musicale
    ---------------------------------------------------------------------
    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., 675 Mass Ave, Cambridge, MA 02139, USA.
 ************************************************************************
 ************************************************************************/

#ifndef __RECSCHEMA__
#define __RECSCHEMA__


#include "schema.h"


/**
 * place and connect two diagrams in recursive composition
 */

class recSchema : public schema
{
	schema*			fSchema1;
	schema*			fSchema2;
	vector<point>	fInputPoint;
	vector<point>	fOutputPoint;

  public:
	friend schema* makeRecSchema (schema* s1, schema* s2);

	virtual void 	place(double ox, double oy, int orientation);
	virtual void 	draw(device& dev);
	virtual point	inputPoint(unsigned int i)	const;
	virtual point 	outputPoint(unsigned int i)	const;
    virtual void 	collectTraits(collector& c);

  private:
	recSchema (schema* s1, schema* s2, double width);
	void 			drawDelaySign(device& dev, double x, double y, double size);
    void 			drawFeedback(device& dev, const point& src, const point& dst, double dx);
    void 			drawFeedfront(device& dev, const point& src, const point& dst, double dx);

    void 			collectFeedback(collector& c, const point& src, const point& dst, double dx, const point& out);
    void 			collectFeedfront(collector& c, const point& src, const point& dst, double dx);

};


#endif


