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- // $Id: EdgeA.h,v 1.4 1998/09/16 09:40:55 zeller Exp $ -*- C++ -*-
- // Edge annotation
-
- // 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_EdgeAnnotation_h
- #define _DDD_EdgeAnnotation_h
-
- #ifdef __GNUG__
- #pragma interface
- #endif
-
- #include "Box.h"
- #include "GraphGC.h"
-
- class EdgeAnnotation {
- protected:
- virtual void _draw(Widget w, const BoxPoint& p,
- const BoxRegion& exposed, const GraphGC& gc) const = 0;
-
- protected:
- // Constructor. Only for derived classes.
- EdgeAnnotation() {}
-
- // Copy constructor. Only for derived classes.
- EdgeAnnotation(const EdgeAnnotation &) {}
-
- public:
- DECLARE_TYPE_INFO
-
- virtual ~EdgeAnnotation() {}
-
- // Draw annotation centered around P
- virtual void draw(Widget w, const BoxPoint& p,
- const BoxRegion& exposed,
- const GraphGC& gc) const;
-
- // Custom function
- void draw(Widget w, const BoxPoint& p,
- const BoxRegion& exposed =
- BoxRegion(BoxPoint(0,0), BoxSize(INT_MAX, INT_MAX)))
- {
- draw(w, p, exposed, GraphGC());
- }
-
- // Print
- virtual void _print(ostream& os, const BoxPoint& p,
- const GraphGC& gc) const = 0;
-
- // Size used by annotation
- virtual BoxSize size(const GraphGC& gc) const = 0;
-
- // Region used by annotation
- virtual BoxRegion region(const BoxPoint& p, const GraphGC& gc) const = 0;
-
- // Duplication
- virtual EdgeAnnotation *dup() const = 0;
- };
-
- #endif // _DDD_EdgeAnnotation_h
- // DON'T ADD ANYTHING BEHIND THIS #endif
-