summaryrefslogtreecommitdiffhomepage
path: root/nGenEx/FadeView.h
blob: ed7f15a7911cb81d774fd3e452e69031aba59101 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
/*  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