text: /*
  **  ClanLib SDK
  **  Copyright (c) 1997-2020 The ClanLib Team
  **
  **  This software is provided 'as-is', without any express or implied
  **  warranty.  In no event will the authors be held liable for any damages
  **  arising from the use of this software.
  **
  **  Permission is granted to anyone to use this software for any purpose,
  **  including commercial applications, and to alter it and redistribute it
  **  freely, subject to the following restrictions:
  **
  **  1. The origin of this software must not be misrepresented; you must not
  **     claim that you wrote the original software. If you use this software
  **     in a product, an acknowledgment in the product documentation would be
  **     appreciated but is not required.
  **  2. Altered source versions must be plainly marked as such, and must not be
  **     misrepresented as being the original software.
  **  3. This notice may not be removed or altered from any source distribution.
  **
  **  Note: Some of the libraries ClanLib may link to may have additional
  **  requirements or restrictions.
  **
  **  File Author(s):
  **
  **    Magnus Norddahl
  */
  
  #pragma once
  class HSVSpriteBatch;
  class HSVSprite;
  
  class HSV : public clan::Application
  {
  public:
  	HSV();
  	bool update() override;
  	int run();
  
  private:
  	void on_close();
  	void on_input_up(const InputEvent &key);
  
  	DisplayWindow window;
  	Canvas canvas;
  	SlotContainer sc;
  	clan::Font font;
  
  	std::shared_ptr<HSVSpriteBatch> sprite_batcher;
  	std::shared_ptr<HSVSprite> car1;
  	std::shared_ptr<HSVSprite> car2;
  
  	uint64_t last_fps_update;
  	uint64_t last_time;
  
  	bool quit = false;
  	int fps = 0;
  	std::string fps_text;
  	float hue_offset = 0.0;
  };
  