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
|
/*
* Copyright 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef INTERPOLATOR_H_
#define INTERPOLATOR_H_
#include <jni.h>
#include <errno.h>
#include <time.h>
#include "JNIHelper.h"
#include "perfMonitor.h"
#include <list>
namespace ndk_helper
{
enum INTERPOLATOR_TYPE
{
INTERPOLATOR_TYPE_LINEAR,
INTERPOLATOR_TYPE_EASEINQUAD,
INTERPOLATOR_TYPE_EASEOUTQUAD,
INTERPOLATOR_TYPE_EASEINOUTQUAD,
INTERPOLATOR_TYPE_EASEINCUBIC,
INTERPOLATOR_TYPE_EASEOUTCUBIC,
INTERPOLATOR_TYPE_EASEINOUTCUBIC,
INTERPOLATOR_TYPE_EASEINQUART,
INTERPOLATOR_TYPE_EASEINEXPO,
INTERPOLATOR_TYPE_EASEOUTEXPO,
};
struct InterpolatorParams
{
float dest_value_;
INTERPOLATOR_TYPE type_;
double duration_;
};
/******************************************************************
* Interpolates values with several interpolation methods
*/
class Interpolator
{
private:
double start_time_;
double dest_time_;
INTERPOLATOR_TYPE type_;
float start_value_;
float dest_value_;
std::list<InterpolatorParams> list_params_;
float GetFormula( const INTERPOLATOR_TYPE type,
const float t,
const float b,
const float d,
const float c );
public:
Interpolator();
~Interpolator();
Interpolator& Set( const float start,
const float dest,
const INTERPOLATOR_TYPE type,
double duration );
Interpolator& Add( const float dest,
const INTERPOLATOR_TYPE type,
const double duration );
bool Update( const double currentTime, float& p );
void Clear();
};
} //namespace ndkHelper
#endif /* INTERPOLATOR_H_ */
|
