/**
 * 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/>.
 **/


#include "ColorFrameRenderer.h"

#include "../Orthanc/Core/OrthancException.h"
#include "../Orthanc/Core/Images/ImageProcessing.h"

namespace OrthancStone
{
  CairoSurface* ColorFrameRenderer::GenerateDisplay(const RenderStyle& style)
  {
    std::auto_ptr<CairoSurface> display(new CairoSurface(frame_->GetWidth(), frame_->GetHeight()));

    Orthanc::ImageAccessor target = display->GetAccessor();
    Orthanc::ImageProcessing::Convert(target, *frame_);

    return display.release();
  }


  ColorFrameRenderer::ColorFrameRenderer(Orthanc::ImageAccessor* frame,
                                         const SliceGeometry& viewportSlice,
                                         const SliceGeometry& frameSlice,
                                         double pixelSpacingX,
                                         double pixelSpacingY,
                                         bool isFullQuality) :
    FrameRenderer(viewportSlice, frameSlice, pixelSpacingX, pixelSpacingY, isFullQuality),
    frame_(frame)
  {
    if (frame == NULL)
    {
      throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
    }

    if (frame_->GetFormat() != Orthanc::PixelFormat_RGB24)
    {
      throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat);
    }
  }
}