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/*  Project nGenEx
	Destroyer Studios LLC
	Copyright © 1997-2004. All Rights Reserved.

	SUBSYSTEM:    nGenEx.lib
	FILE:         FadeView.h
	AUTHOR:       John DiCamillo


	OVERVIEW
	========
	Non-rendering view class that controls the fade level (fade-in/fade-out)
*/

#ifndef FadeView_h
#define FadeView_h

#include "Types.h"
#include "View.h"

// +--------------------------------------------------------------------+

class FadeView : public View
{
public:
	static const char* TYPENAME() { return "FadeView"; }

	enum FadeState { StateStart, State2, StateIn, StateHold, StateOut, StateDone };

	FadeView(Window* c, double fade_in=1, double fade_out=1, double hold_time=4);
	virtual ~FadeView();

	// Operations:
	virtual void      Refresh();
	virtual bool      Done()    const   { return state == StateDone; }
	virtual bool      Holding() const   { return state == StateHold; }

	// Control:
	virtual void      FastFade(int fade_fast);
	virtual void      FadeIn(double fade_in);
	virtual void      FadeOut(double fade_out);
	virtual void      StopHold();

protected:
	double      fade_in;
	double      fade_out;
	double      hold_time;
	double      time;
	double      step_time;

	int         fast;
	FadeState   state;
};

#endif FadeView_h