File indexing completed on 2024-05-19 15:27:52

 /*
     This file is part of KGraphViewer.
     Copyright (C) 2010  Gael de Chalendar <kleag@free.fr>
 
     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, see <http://www.gnu.org/licenses/>.
 
 */
 
 #ifndef LAYOUTAGRAPHTHREAD_H
 #define LAYOUTAGRAPHTHREAD_H
 
 #include <QSemaphore>
 #include <QThread>
 
 #include <graphviz/gvc.h>
 
 int threadsafe_wrap_gvLayout(GVC_t *gvc, graph_t *g, const char *engine);
 int threadsafe_wrap_gvRender(GVC_t *gvc, graph_t *g, const char *format, FILE *out);
 
 class LayoutAGraphThread : public QThread
 {
     Q_OBJECT
 public:
     LayoutAGraphThread();
     ~LayoutAGraphThread() override;
     void layoutGraph(graph_t *graph, const QString &layoutCommand);
     inline graph_t *g()
     {
         return m_g;
     }
     inline GVC_t *gvc()
     {
         return m_gvc;
     }
     inline const QString &layoutCommand() const
     {
         return m_layoutCommand;
     }
     void processed_finished()
     {
         sem.release();
     }
 
 protected:
     void run() override;
 
 private:
     QSemaphore sem;
     QString m_layoutCommand;
     graph_t *m_g = nullptr;
     GVC_t *m_gvc = nullptr;
 };
 
 #endif // LAYOUTAGRAPHTHREAD_H