forked from unoplatform/uno
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathEasingFunctionExtensions.iOSmacOS.cs
More file actions
181 lines (156 loc) · 5.72 KB
/
Copy pathEasingFunctionExtensions.iOSmacOS.cs
File metadata and controls
181 lines (156 loc) · 5.72 KB
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
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
using CoreAnimation;
using System;
using System.Collections.Generic;
using System.Text;
namespace Windows.UI.Xaml.Media.Animation
{
internal static class EasingFunctionExtensions
{
/// <summary>
/// Based on information found at :
/// https://github.com/bfolder/UIView-Visuals/blob/master/CAMediaTimingFunction%2BAdditionalEquations.m
/// Those easing function try to use a bezier to best match the equivalent easing function
/// </summary>
internal static CAMediaTimingFunction GetTimingFunction(this IEasingFunction easingFunction)
{
switch (easingFunction)
{
case QuadraticEase quadraticEase:
return GetQuadraticTimingFunction(quadraticEase.EasingMode);
case CubicEase cubicEase:
return GetCubicTimingFunction(cubicEase.EasingMode);
case QuarticEase quarticEase:
return GetQuarticTimingFunction(quarticEase.EasingMode);
case QuinticEase quinticEase:
return GetQuinticTimingFunction(quinticEase.EasingMode);
case SineEase sineEase:
return GetSineTimingFunction(sineEase.EasingMode);
case BackEase backEase:
return GetBackTimingFunction(backEase.EasingMode);
case PowerEase powerEase:
return GetPowerTimingFunction(powerEase.Power, powerEase.EasingMode);
// Fallback for unsupported base function
case EasingFunctionBase ease:
return GetDefaultTimingFunction(ease.EasingMode);
case SplineEasingFunction splineEase:
var cp1 = splineEase.KeySpline.ControlPoint1;
var cp2 = splineEase.KeySpline.ControlPoint2;
return CAMediaTimingFunction.FromControlPoints((float)cp1.X, (float)cp1.Y, (float)cp2.X, (float)cp2.Y);
default:
return GetDefaultTimingFunction();
}
}
private static CAMediaTimingFunction GetQuadraticTimingFunction(EasingMode easingMode)
{
switch (easingMode)
{
case EasingMode.EaseIn:
return CAMediaTimingFunction.FromControlPoints(0.55f, 0.085f, 0.68f, 0.53f);
case EasingMode.EaseOut:
return CAMediaTimingFunction.FromControlPoints(0.25f, 0.46f, 0.45f, 0.94f);
case EasingMode.EaseInOut:
return CAMediaTimingFunction.FromControlPoints(0.455f, 0.03f, 0.515f, 0.955f);
}
return GetDefaultTimingFunction();
}
private static CAMediaTimingFunction GetCubicTimingFunction(EasingMode easingMode)
{
switch (easingMode)
{
case EasingMode.EaseIn:
return CAMediaTimingFunction.FromControlPoints(0.55f, 0.055f, 0.675f, 0.19f);
case EasingMode.EaseOut:
return CAMediaTimingFunction.FromControlPoints(0.215f, 0.61f, 0.355f, 1.0f);
case EasingMode.EaseInOut:
return CAMediaTimingFunction.FromControlPoints(0.645f, 0.045f, 0.355f, 1.0f);
}
return GetDefaultTimingFunction();
}
private static CAMediaTimingFunction GetQuarticTimingFunction(EasingMode easingMode)
{
switch (easingMode)
{
case EasingMode.EaseIn:
return CAMediaTimingFunction.FromControlPoints(0.895f, 0.03f, 0.685f, 0.22f);
case EasingMode.EaseOut:
return CAMediaTimingFunction.FromControlPoints(0.165f, 0.84f, 0.44f, 1.0f);
case EasingMode.EaseInOut:
return CAMediaTimingFunction.FromControlPoints(0.77f, 0.0f, 0.175f, 1.0f);
}
return GetDefaultTimingFunction();
}
private static CAMediaTimingFunction GetQuinticTimingFunction(EasingMode easingMode)
{
switch (easingMode)
{
case EasingMode.EaseIn:
return CAMediaTimingFunction.FromControlPoints(0.755f, 0.05f, 0.855f, 0.06f);
case EasingMode.EaseOut:
return CAMediaTimingFunction.FromControlPoints(0.23f, 1.0f, 0.320f, 1.0f);
case EasingMode.EaseInOut:
return CAMediaTimingFunction.FromControlPoints(0.86f, 0.0f, 0.07f, 1.0f);
}
return GetDefaultTimingFunction();
}
private static CAMediaTimingFunction GetSineTimingFunction(EasingMode easingMode)
{
switch (easingMode)
{
case EasingMode.EaseIn:
return CAMediaTimingFunction.FromControlPoints(0.47f, 0.0f, 0.745f, 0.715f);
case EasingMode.EaseOut:
return CAMediaTimingFunction.FromControlPoints(0.39f, 0.575f, 0.565f, 1.0f);
case EasingMode.EaseInOut:
return CAMediaTimingFunction.FromControlPoints(0.445f, 0.05f, 0.55f, 0.95f);
}
return GetDefaultTimingFunction();
}
private static CAMediaTimingFunction GetBackTimingFunction(EasingMode easingMode)
{
switch (easingMode)
{
case EasingMode.EaseIn:
return CAMediaTimingFunction.FromControlPoints(0.6f, -0.28f, 0.735f, 0.045f);
case EasingMode.EaseOut:
return CAMediaTimingFunction.FromControlPoints(0.175f, 0.885f, 0.320f, 1.275f);
case EasingMode.EaseInOut:
return CAMediaTimingFunction.FromControlPoints(0.68f, -0.55f, 0.265f, 1.55f);
}
return GetDefaultTimingFunction();
}
private static CAMediaTimingFunction GetPowerTimingFunction(int power, EasingMode easingMode)
{
switch (power)
{
case 1:
return CAMediaTimingFunction.FromName(CAMediaTimingFunction.Linear);
case 2:
return GetQuadraticTimingFunction(easingMode);
case 3:
return GetCubicTimingFunction(easingMode);
case 4:
return GetQuarticTimingFunction(easingMode);
case 5:
return GetQuinticTimingFunction(easingMode);
default:
return CAMediaTimingFunction.FromName(CAMediaTimingFunction.Default);
}
}
private static CAMediaTimingFunction GetDefaultTimingFunction(EasingMode? easingMode = null)
{
if (easingMode.HasValue)
{
switch (easingMode.Value)
{
case EasingMode.EaseIn:
return CAMediaTimingFunction.FromName(CAMediaTimingFunction.EaseIn);
case EasingMode.EaseOut:
return CAMediaTimingFunction.FromName(CAMediaTimingFunction.EaseOut);
case EasingMode.EaseInOut:
return CAMediaTimingFunction.FromName(CAMediaTimingFunction.EaseInEaseOut);
}
}
return CAMediaTimingFunction.FromName(CAMediaTimingFunction.Default);
}
}
}