gvutils.h

/*
  gvutils.cpp

  This file is part of the KDAB State Machine Editor Library.

  Copyright (C) 2010-2016 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com.
  All rights reserved.
  Author: Kevin Funk <kevin.funk@kdab.com>

  Licensees holding valid commercial KDAB State Machine Editor Lbrary
  licenses may use this file in accordance with the KDAB State Machine Editor
  Library License Agreement provided with the Software.

  This file may be distributed and/or modified under the terms of the
  GNU Lesser General Public License version 2.1 as published by the
  Free Software Foundation and appearing in the file LICENSE.LGPL.txt included.

  This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
  WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.

  Contact info@kdab.com if any conditions of this licensing are not
  clear to you.
*/

#ifndef KDSME_LAYOUT_GVUTILS_H
#define KDSME_LAYOUT_GVUTILS_H

#include <graphviz/types.h>

#include <QString>

namespace KDSME {

namespace GVUtils {

#ifdef WITH_CGRAPH
extern Agraph_t *_agopen(const QString &name, Agdesc_t kind, Agdisc_t *disc);
#else
extern Agraph_t *_agopen(const QString &name, int kind);
#endif

QString _agget(void *object, const QString &attr, const QString &alt = QString());

Agsym_t *_agnodeattr(Agraph_t *object, const QString &attr,
                     const QString &alt = QString());
Agsym_t *_agedgeattr(Agraph_t *object, const QString &attr,
                     const QString &alt = QString());

int _gvLayout(GVC_t *gvc, graph_t *g, const char *engine);

#ifdef WITH_CGRAPH
void* _agbindrec(void* obj, const char* name, unsigned int size, int move_to_front);
#endif

Agnode_t *_agnode(Agraph_t *graph, const QString &attr, bool create = true);
Agedge_t *_agedge(Agraph_t *graph, Agnode_t *tail, Agnode_t *head,
                  const QString &name = QString(), bool create = true);
Agraph_t *_agsubg(Agraph_t *graph, const QString &attr, bool create = true);

int _agset(void *object, const QString &attr, const QString &value);

}

}

#endif