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
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* Additional copyright for this file:
* Copyright (C) 1995-1997 Presto Studios, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef PEGASUS_FADER_H
#define PEGASUS_FADER_H
#include "pegasus/elements.h"
#include "pegasus/timers.h"
namespace Pegasus {
class Fader;
class FaderMoveSpec {
friend class Fader;
public:
FaderMoveSpec() {
_faderScale = kDefaultTimeScale;
_numKnots = 0;
}
FaderMoveSpec(const TimeScale scale) {
_faderScale = scale;
_numKnots = 0;
}
void setFaderScale(const TimeScale scale) { _faderScale = scale; }
TimeScale getFaderScale() const { return _faderScale; }
void makeOneKnotFaderSpec(const int32);
void makeTwoKnotFaderSpec(const TimeScale, const TimeValue, const int32, const TimeValue, const int32);
void insertFaderKnot(const TimeValue, const int32);
uint32 getNumKnots() const { return _numKnots; }
TimeValue getNthKnotTime(const uint32 index) const { return _knots[index].knotTime; }
int32 getNthKnotValue(const uint32 index) const { return _knots[index].knotValue; }
protected:
struct FaderKnot {
TimeValue knotTime;
int32 knotValue;
};
TimeScale _faderScale;
uint32 _numKnots;
static const uint32 kMaxFaderKnots = 20;
FaderKnot _knots[kMaxFaderKnots];
};
class Fader : public IdlerTimeBase {
public:
Fader();
virtual ~Fader() {}
virtual void setFaderValue(const int32);
int32 getFaderValue() const { return _currentValue; }
virtual void startFader(const FaderMoveSpec &);
virtual void startFaderSync(const FaderMoveSpec &);
virtual void loopFader(const FaderMoveSpec &);
virtual void stopFader();
virtual bool isFading() { return isRunning(); }
void pauseFader();
void continueFader();
void getCurrentFaderMove(FaderMoveSpec &spec) { spec = _currentFaderMove; }
protected:
bool initFaderMove(const FaderMoveSpec &);
virtual void timeChanged(const TimeValue);
int32 _currentValue;
FaderMoveSpec _currentFaderMove;
};
class FaderAnimation : public DisplayElement, public Fader {
public:
FaderAnimation(const DisplayElementID id) : DisplayElement(id) {}
virtual ~FaderAnimation() {}
void setFaderValue(const int32);
};
class Sound;
class SoundFader : public Fader {
friend class Sound;
public:
SoundFader();
virtual ~SoundFader() {}
void setFaderValue(const int32);
void setMasterVolume(const uint16);
uint16 getMasterVolume() const { return _masterVolume; }
protected:
void attachSound(Sound *);
Sound *_sound;
uint16 _masterVolume;
};
} // End of namespace Pegasus
#endif
|
