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ArcBox.h
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C/C++ Source or Header
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1998-11-23
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// $Id: ArcBox.h,v 1.11 1998/11/23 15:00:15 zeller Exp $
// Arc boxes
// Copyright (C) 1995 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_ArcBox_h
#define _DDD_ArcBox_h
#ifdef __GNUG__
#pragma interface
#endif
#include "LineBox.h"
#include "Widget.h"
// BoxDegrees
typedef int BoxDegrees; // -360..+360
// ArcBox
class ArcBox: public LineBox {
public:
DECLARE_TYPE_INFO
private:
BoxDegrees _start; // Start of arc
BoxDegrees _length; // Length of arc
void __draw(Widget w,
const BoxRegion& region,
const BoxRegion& exposed,
GC gc,
bool context_selected) const;
void _printPS(ostream& os,
const BoxRegion& region,
const PrintGC& gc) const;
void _printFig(ostream& os,
const BoxRegion& region,
const PrintGC& gc) const;
protected:
ArcBox(const ArcBox& box):
LineBox(box), _start(box._start), _length(box._length)
{}
void dump(ostream& s) const;
bool matches (const Box &b, const Box * = 0) const
{
return LineBox::matches(b) &&
_start == ((ArcBox *)&b)->_start &&
_length == ((ArcBox *)&b)->_length; // dirty trick
}
public:
ArcBox(BoxDegrees start, BoxDegrees length,
BoxCoordinate linethickness = 1, char * t = "ArcBox")
: LineBox(linethickness, t), _start(start), _length(length)
{}
Box *dup() const { return new ArcBox(*this); }
virtual void _print(ostream& os,
const BoxRegion& region,
const PrintGC& gc) const;
// Resources
BoxDegrees start() const { return _start; }
BoxDegrees length() const { return _length; }
};
#endif