.. _program_listing_file__tmp_ws_src_mapviz_tile_map_include_tile_map_texture_cache.h:

Program Listing for File texture_cache.h
========================================

|exhale_lsh| :ref:`Return to documentation for file <file__tmp_ws_src_mapviz_tile_map_include_tile_map_texture_cache.h>` (``/tmp/ws/src/mapviz/tile_map/include/tile_map/texture_cache.h``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   // *****************************************************************************
   //
   // Copyright (c) 2014, Southwest Research Institute® (SwRI®)
   // All rights reserved.
   //
   // Redistribution and use in source and binary forms, with or without
   // modification, are permitted provided that the following conditions are met:
   //     * Redistributions of source code must retain the above copyright
   //       notice, this list of conditions and the following disclaimer.
   //     * Redistributions in binary form must reproduce the above copyright
   //       notice, this list of conditions and the following disclaimer in the
   //       documentation and/or other materials provided with the distribution.
   //     * Neither the name of Southwest Research Institute® (SwRI®) nor the
   //       names of its contributors may be used to endorse or promote products
   //       derived from this software without specific prior written permission.
   //
   // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   // ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
   // DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
   // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   // ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   //
   // *****************************************************************************
   
   #ifndef TILE_MAP_TEXTURE_CACHE_H_
   #define TILE_MAP_TEXTURE_CACHE_H_
   
   #include <QCache>
   
   #include <rclcpp/logger.hpp>
   
   #include <tile_map/image_cache.h>
   
   namespace tile_map
   {
     class Texture
     {
     public:
       Texture(int32_t texture_id, size_t hash);
       ~Texture();
   
       const int32_t id;
       const size_t url_hash;
   
       bool failed;
     };
     typedef std::shared_ptr<Texture> TexturePtr;
   
     class TextureCache
     {
     public:
       explicit TextureCache(ImageCachePtr image_cache,
           size_t size = 512,
           rclcpp::Logger logger = rclcpp::get_logger("tile_map::TextureCache"));
   
       TexturePtr GetTexture(size_t url_hash, const QString& url, bool& failed, int priority);
       void AddTexture(const TexturePtr& texture);
   
       void SetLogger(rclcpp::Logger logger);
   
       void Clear();
   
     private:
       QCache<size_t, TexturePtr> cache_;
   
       ImageCachePtr image_cache_;
   
       rclcpp::Logger logger_;
     };
     typedef std::shared_ptr<TextureCache> TextureCachePtr;
   }
   
   #endif  // TILE_MAP_TEXTURE_CACHE_H_