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BoxEdgeA.h
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1998-09-16
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// $Id: BoxEdgeA.h,v 1.4 1998/09/16 09:40:55 zeller Exp $ -*- C++ -*-
// Edge annotation using boxes
// Copyright (C) 1998 Technische Universitaet Braunschweig, Germany.
// Written by Andreas Zeller <zeller@ips.cs.tu-bs.de>.
//
// This file is part of DDD.
//
// DDD 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.
//
// DDD 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 DDD -- see the file COPYING.
// If not, write to the Free Software Foundation, Inc.,
// 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
// DDD is the data display debugger.
// For details, see the DDD World-Wide-Web page,
// `http://www.cs.tu-bs.de/softech/ddd/',
// or send a mail to the DDD developers <ddd@ips.cs.tu-bs.de>.
#ifndef _DDD_BoxEdgeAnnotation_h
#define _DDD_BoxEdgeAnnotation_h
#ifdef __GNUG__
#pragma interface
#endif
#include "EdgeA.h"
#include "Box.h"
#include "assert.h"
class BoxEdgeAnnotation: public EdgeAnnotation {
public:
DECLARE_TYPE_INFO
private:
Box *_box; // The box to use
protected:
virtual void _draw(Widget w, const BoxPoint& p,
const BoxRegion& exposed, const GraphGC& gc) const;
BoxEdgeAnnotation(const BoxEdgeAnnotation &src)
: EdgeAnnotation(src), _box(0)
{
if (src._box != 0)
_box = src._box->dup();
}
public:
BoxEdgeAnnotation(Box *box)
: EdgeAnnotation(), _box(box)
{
assert(box != 0);
}
virtual ~BoxEdgeAnnotation()
{
_box->unlink();
}
// Duplication
virtual EdgeAnnotation *dup() const
{
return new BoxEdgeAnnotation(*this);
}
// Resources
Box *box() const { return _box; }
// Print
virtual void _print(ostream& os, const BoxPoint& p,
const GraphGC& gc) const;
// Size used by annotation
virtual BoxSize size(const GraphGC&) const
{
return box()->size();
}
// Region used by annotation
virtual BoxRegion region(const BoxPoint& p, const GraphGC& gc) const;
};
#endif // _DDD_BoxEdgeAnnotation_h
// DON'T ADD ANYTHING BEHIND THIS #endif