animation.h

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#pragma once
#include "animation_update_event_handler.h"
#include "control.h"
#include "timer.h"
#include <xtd/diagnostics/stopwatch>

namespace xtd {
  namespace forms {
    class animation : public xtd::forms::control {
      struct data;
      
    public:
      
      animation();
      
      
      virtual time_span elapsed() const noexcept;
      
      virtual int64 elapsed_milliseconds() const noexcept;
      
      virtual int64 elapsed_nanoseconds() const noexcept;
      
      virtual int64 elapsed_ticks() const noexcept;
      
      virtual uint32 frame_counter() const noexcept;
      
      virtual uint32 frames_per_second() const noexcept;
      virtual animation& frames_per_second(uint32 value);
      
      virtual bool running() const noexcept;
      
      virtual animation& running(bool value);
      
      
      using control::create;
      static animation create(uint32 frames_per_second, const drawing::point& location = {-1, -1}, const drawing::size& size = {-1, -1}, const xtd::ustring& name = xtd::ustring::empty_string);
      static animation create(const control& parent, uint32 frames_per_second, const drawing::point& location = {-1, -1}, const drawing::size& size = {-1, -1}, const xtd::ustring& name = xtd::ustring::empty_string);
      
      void start();
      
      void stop();
      
      
      xtd::event<animation, animation_updated_event_handler> updated;
      
    protected:
      
      drawing::size default_size() const noexcept override;
      
      
      virtual void on_updated(const xtd::forms::animation_updated_event_args& e);
      
    private:
      void on_frames_timer_tick(object& timer, const xtd::event_args& e);
      
      std::shared_ptr<data> data_;
    };
  }
}