fade.h

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//            Copyright (C) 2004-2007 by The Allacrost Project
//                         All Rights Reserved
//
// This code is licensed under the GNU GPL version 2. It is free software 
// and you may modify it and/or redistribute it under the terms of this license.
// See http://www.gnu.org/copyleft/gpl.html for details.

#ifndef __FADE_HEADER__
#define __FADE_HEADER__

#include "defs.h"
#include "utils.h"
#include "color.h"

namespace hoa_video {

namespace private_video {

class ScreenFader {
public:
  ScreenFader();
  
  void FadeTo(const Color &final, float num_seconds);

  void Update(int32 t);

  bool ShouldUseFadeOverlay() const
    { return use_fade_overlay; }

  Color GetFadeOverlayColor() const
    { return fade_overlay_color; }

  float GetFadeModulation() const
    { return fade_modulation; }

  bool IsFading() const
    { return is_fading; }

  Color current_color;

  Color initial_color;

  Color final_color;

  int32 current_time;

  int32 end_time;

  bool is_fading;
  
  bool use_fade_overlay;

  Color fade_overlay_color;

  float fade_modulation;
}; // class ScreenFader

} // namespace private_video

} // namespace hoa_video

#endif // __FADE_HEADER__

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