text: /*******************************************************************************
   * Copyright (C) 2011 HPCC Systems.
   * 
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to deal
   * in the Software without restriction, including without limitation the rights
   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   * 
   * The above copyright notice and this permission notice shall be included in
   * all copies or substantial portions of the Software.
   * 
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
   * THE SOFTWARE.
   ******************************************************************************/
  #pragma once
  
  #include "GraphDB.h"
  
  namespace hpcc
  {
  typedef boost::signals2::signal<void(const std::string & dot, const std::string & svg)> LayoutFinishedSignal;
  typedef LayoutFinishedSignal::slot_type LayoutFinishedSlot;
  
  GRAPHDB_API const char * DoGraphvizLayout(IGraph * g, std::string & svg);
  GRAPHDB_API const char * DoGraphvizLayout(IGraph * g, std::string & generatedDot, const LayoutFinishedSlot & slot);
  GRAPHDB_API const char * DoGraphvizLayoutFromDot(IGraph * g, const std::string & generatedDot, const LayoutFinishedSlot & slot);
  }
  