/**
 * 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/>.
 **/


#pragma once

#include "ISceneLayer.h"
#include "../StoneEnumerations.h"

#include <Compatibility.h>
#include <Images/ImageAccessor.h>

#include <memory>

namespace OrthancStone
{
  class InfoPanelSceneLayer : public ISceneLayer
  {
  private:
    std::unique_ptr<Orthanc::ImageAccessor>  texture_;
    BitmapAnchor                           anchor_;
    bool                                   isLinearInterpolation_;
    bool                                   applySceneRotation_;

  public:
  /**
   * If you supply `true` for `applySceneRotation`, then, in addition to 
   * a translation to bring it at the desired anchoring location, the image
   * will be rotated around its center by the same rotation as the scene
   * transformation.
   */
    InfoPanelSceneLayer(const Orthanc::ImageAccessor& texture,
                        BitmapAnchor anchor,
                        bool isLinearInterpolation,
                        bool applySceneRotation = false);

    virtual ISceneLayer* Clone() const ORTHANC_OVERRIDE
    {
      return new InfoPanelSceneLayer(*texture_, 
                                     anchor_, 
                                     isLinearInterpolation_, 
                                     applySceneRotation_);
    }

    const Orthanc::ImageAccessor& GetTexture() const
    {
      return *texture_;
    }

    BitmapAnchor GetAnchor() const
    {
      return anchor_;
    }

    bool ShouldApplySceneRotation() const
    {
      return applySceneRotation_;
    }

    bool IsLinearInterpolation() const
    {
      return isLinearInterpolation_;
    }

    virtual Type GetType() const ORTHANC_OVERRIDE
    {
      return Type_InfoPanel;
    }

    virtual void GetBoundingBox(Extent2D& target) const ORTHANC_OVERRIDE
    {
      target.Clear();
    }

    virtual uint64_t GetRevision() const ORTHANC_OVERRIDE
    {
      return 0;
    }

    static void ComputeAnchorLocation(int& x,
                                      int& y,
                                      BitmapAnchor anchor,
                                      unsigned int textureWidth,
                                      unsigned int textureHeight,
                                      unsigned int canvasWidth,
                                      unsigned int canvasHeight);
  };
}