/**
 * 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 Lesser 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this program. If not, see
 * <http://www.gnu.org/licenses/>.
 **/


#include "OpenGLAdvancedPolylineRenderer.h"

#include <OrthancException.h>


namespace OrthancStone
{
  namespace Internals
  {
    void OpenGLAdvancedPolylineRenderer::LoadLayer(const PolylineSceneLayer& layer)
    {
      data_.reset(new OpenGLLinesProgram::Data(context_, layer));

      if (data_.get() == NULL)
      {
        throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
      }
    }


    OpenGLAdvancedPolylineRenderer::OpenGLAdvancedPolylineRenderer(OpenGL::IOpenGLContext& context,
                                                                   OpenGLLinesProgram& program,
                                                                   const PolylineSceneLayer& layer) :
      context_(context),
      program_(program)
    {
      LoadLayer(layer);
    }


    void OpenGLAdvancedPolylineRenderer::Render(const AffineTransform2D& transform,
                                                unsigned int canvasWidth,
                                                unsigned int canvasHeight)
    {
      if (!context_.IsContextLost())
      {
        program_.Apply(*data_, transform, canvasWidth, canvasHeight, true, true);
      }
    }
  }
}