Ogre2SelectionBuffer.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 GZ_RENDERING_OGRE2_OGRE2SELECTIONBUFFER_HH_
#define GZ_RENDERING_OGRE2_OGRE2SELECTIONBUFFER_HH_
 
#include <memory>
#include <string>
 
#include "gz/rendering/config.hh"
#include "gz/rendering/ogre2/Export.hh"
 
namespace Ogre
{
  class Item;
  class RenderTarget;
  class SceneManager;
}
 
namespace gz
{
  namespace rendering
  {
    inline namespace GZ_RENDERING_VERSION_NAMESPACE {
    //
    // forward declaration
    struct Ogre2SelectionBufferPrivate;
 
    class GZ_RENDERING_OGRE2_VISIBLE Ogre2SelectionBuffer
    {
      public: Ogre2SelectionBuffer(const std::string &_cameraName,
                  Ogre2ScenePtr _scene, unsigned int _width,
                  unsigned int _height);
 
      public: ~Ogre2SelectionBuffer();
 
      public: Ogre::Item *OnSelectionClick(const int _x, const int _y);
 
      public: bool ExecuteQuery(const int _x, const int _y, Ogre::Item *&_item,
          math::Vector3d &_point);
 
      public: void SetDimensions(unsigned int _width, unsigned int _height);
 
      public: void Update();
 
      private: void DeleteRTTBuffer();
 
      private: void CreateRTTBuffer();
 
      // private: void CreateRTTOverlays();
 
      private: std::unique_ptr<Ogre2SelectionBufferPrivate> dataPtr;
    };
    }
  }
}
#endif