/**
 * Stone of Orthanc
 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
 * Department, University Hospital of Liege, Belgium
 * Copyright (C) 2017-2020 Osimis S.A., Belgium
 *
 * This program is free software: you can redistribute it and/or
 * modify it under the terms of the GNU Affero General Public License
 * as published by the Free Software Foundation, either version 3 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
 * Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 **/


#pragma once

#include "WebAssemblyViewport.h"

namespace OrthancStone
{
  class WebAssemblyCairoViewport : public WebAssemblyViewport
  {
  private:
    std::unique_ptr<Orthanc::ImageAccessor>  javascript_;
        
    void GetCanvasSize(unsigned int& width,
                       unsigned int& height);

    WebAssemblyCairoViewport(const std::string& canvasId,
                             bool enableEmscriptenMouseEvents);

  protected:
    virtual void Paint(ICompositor& compositor,
                       ViewportController& controller) ORTHANC_OVERRIDE;
    
    virtual void UpdateSize(ICompositor& compositor) ORTHANC_OVERRIDE;

  public:
    static boost::shared_ptr<WebAssemblyCairoViewport> Create(const std::string& canvasId,
                                                              bool enableEmscriptenMouseEvents = true);

    virtual ~WebAssemblyCairoViewport()
    {
      ClearCompositor();
    }
  };
}