/**
 * Stone of Orthanc
 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
 * Department, University Hospital of Liege, Belgium
 *
 * 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 3 of the
 * License, or (at your option) any later version.
 *
 * In addition, as a special exception, the copyright holders of this
 * program give permission to link the code of its release with the
 * OpenSSL project's "OpenSSL" library (or with modified versions of it
 * that use the same license as the "OpenSSL" library), and distribute
 * the linked executables. You must obey the GNU General Public License
 * in all respects for all of the code used other than "OpenSSL". If you
 * modify file(s) with this exception, you may extend this exception to
 * your version of the file(s), but you are not obligated to do so. If
 * you do not wish to do so, delete this exception statement from your
 * version. If you delete this exception statement from all source files
 * in the program, then also delete it here.
 * 
 * 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/>.
 **/


#pragma once

#include "WidgetBase.h"

namespace OrthancStone
{
  class CairoWidget : public WidgetBase
  {
  private:
    CairoSurface   surface_;

  protected:
    virtual bool RenderCairo(CairoContext& context) = 0;
    
    virtual void RenderMouseOverCairo(CairoContext& context,
                                      int x,
                                      int y) = 0;
    
  public:
    virtual void SetSize(unsigned int width,
                         unsigned int height);

    virtual bool Render(Orthanc::ImageAccessor& target);

    virtual void RenderMouseOver(Orthanc::ImageAccessor& target,
                                 int x,
                                 int y);  
  };
}