/************************************************************************
 ************************************************************************
    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 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
