OgreSelectionBuffer.hh

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/*
 * Copyright (C) 2018 Open Source Robotics Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
*/
#ifndef IGNITION_RENDERING_OGRE_OGRESELECTIONBUFFER_HH_
#define IGNITION_RENDERING_OGRE_OGRESELECTIONBUFFER_HH_

#include <memory>
#include <string>

#include "ignition/rendering/config.hh"
#include "ignition/rendering/ogre/Export.hh"

namespace Ogre
{
  class Entity;
  class RenderTarget;
  class SceneManager;
}

namespace ignition
{
  namespace rendering
  {
    inline namespace IGNITION_RENDERING_VERSION_NAMESPACE {
    //
    // forward declaration
    class OgreSelectionBufferPrivate;

    class IGNITION_RENDERING_OGRE_VISIBLE OgreSelectionBuffer
    {
      public: OgreSelectionBuffer(const std::string &_cameraName,
                  Ogre::SceneManager *_mgr);

      public: ~OgreSelectionBuffer();

      public: Ogre::Entity *OnSelectionClick(const int _x, const int _y);

      public: void ShowOverlay(const bool _show);

      public: void Update();

      private: void DeleteRTTBuffer();

      private: void CreateRTTBuffer();

      private: void CreateRTTOverlays();

      private: std::unique_ptr<OgreSelectionBufferPrivate> dataPtr;
    };
    }
  }
}
#endif