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1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "config.h" | 5 #include "config.h" |
6 | 6 |
7 #include "CCTimingFunction.h" | 7 #include "CCTimingFunction.h" |
8 | 8 |
| 9 #include <wtf/OwnPtr.h> |
| 10 |
9 namespace { | 11 namespace { |
10 const double epsilon = 1e-6; | 12 const double epsilon = 1e-6; |
11 } // namespace | 13 } // namespace |
12 | 14 |
13 namespace cc { | 15 namespace cc { |
14 | 16 |
15 CCTimingFunction::CCTimingFunction() | 17 CCTimingFunction::CCTimingFunction() |
16 { | 18 { |
17 } | 19 } |
18 | 20 |
19 CCTimingFunction::~CCTimingFunction() | 21 CCTimingFunction::~CCTimingFunction() |
20 { | 22 { |
21 } | 23 } |
22 | 24 |
23 double CCTimingFunction::duration() const | 25 double CCTimingFunction::duration() const |
24 { | 26 { |
25 return 1.0; | 27 return 1.0; |
26 } | 28 } |
27 | 29 |
28 scoped_ptr<CCCubicBezierTimingFunction> CCCubicBezierTimingFunction::create(doub
le x1, double y1, double x2, double y2) | 30 PassOwnPtr<CCCubicBezierTimingFunction> CCCubicBezierTimingFunction::create(doub
le x1, double y1, double x2, double y2) |
29 { | 31 { |
30 return make_scoped_ptr(new CCCubicBezierTimingFunction(x1, y1, x2, y2)); | 32 return adoptPtr(new CCCubicBezierTimingFunction(x1, y1, x2, y2)); |
31 } | 33 } |
32 | 34 |
33 CCCubicBezierTimingFunction::CCCubicBezierTimingFunction(double x1, double y1, d
ouble x2, double y2) | 35 CCCubicBezierTimingFunction::CCCubicBezierTimingFunction(double x1, double y1, d
ouble x2, double y2) |
34 : m_curve(x1, y1, x2, y2) | 36 : m_curve(x1, y1, x2, y2) |
35 { | 37 { |
36 } | 38 } |
37 | 39 |
38 CCCubicBezierTimingFunction::~CCCubicBezierTimingFunction() | 40 CCCubicBezierTimingFunction::~CCCubicBezierTimingFunction() |
39 { | 41 { |
40 } | 42 } |
41 | 43 |
42 float CCCubicBezierTimingFunction::getValue(double x) const | 44 float CCCubicBezierTimingFunction::getValue(double x) const |
43 { | 45 { |
44 UnitBezier temp(m_curve); | 46 UnitBezier temp(m_curve); |
45 return static_cast<float>(temp.solve(x, epsilon)); | 47 return static_cast<float>(temp.solve(x, epsilon)); |
46 } | 48 } |
47 | 49 |
48 scoped_ptr<CCAnimationCurve> CCCubicBezierTimingFunction::clone() const | 50 PassOwnPtr<CCAnimationCurve> CCCubicBezierTimingFunction::clone() const |
49 { | 51 { |
50 return make_scoped_ptr(new CCCubicBezierTimingFunction(*this)).PassAs<CCAnim
ationCurve>(); | 52 return adoptPtr(new CCCubicBezierTimingFunction(*this)); |
51 } | 53 } |
52 | 54 |
53 // These numbers come from http://www.w3.org/TR/css3-transitions/#transition-tim
ing-function_tag. | 55 // These numbers come from http://www.w3.org/TR/css3-transitions/#transition-tim
ing-function_tag. |
54 scoped_ptr<CCTimingFunction> CCEaseTimingFunction::create() | 56 PassOwnPtr<CCTimingFunction> CCEaseTimingFunction::create() |
55 { | 57 { |
56 return CCCubicBezierTimingFunction::create(0.25, 0.1, 0.25, 1).PassAs<CCTimi
ngFunction>(); | 58 return CCCubicBezierTimingFunction::create(0.25, 0.1, 0.25, 1); |
57 } | 59 } |
58 | 60 |
59 scoped_ptr<CCTimingFunction> CCEaseInTimingFunction::create() | 61 PassOwnPtr<CCTimingFunction> CCEaseInTimingFunction::create() |
60 { | 62 { |
61 return CCCubicBezierTimingFunction::create(0.42, 0, 1.0, 1).PassAs<CCTimingF
unction>(); | 63 return CCCubicBezierTimingFunction::create(0.42, 0, 1.0, 1); |
62 } | 64 } |
63 | 65 |
64 scoped_ptr<CCTimingFunction> CCEaseOutTimingFunction::create() | 66 PassOwnPtr<CCTimingFunction> CCEaseOutTimingFunction::create() |
65 { | 67 { |
66 return CCCubicBezierTimingFunction::create(0, 0, 0.58, 1).PassAs<CCTimingFun
ction>(); | 68 return CCCubicBezierTimingFunction::create(0, 0, 0.58, 1); |
67 } | 69 } |
68 | 70 |
69 scoped_ptr<CCTimingFunction> CCEaseInOutTimingFunction::create() | 71 PassOwnPtr<CCTimingFunction> CCEaseInOutTimingFunction::create() |
70 { | 72 { |
71 return CCCubicBezierTimingFunction::create(0.42, 0, 0.58, 1).PassAs<CCTiming
Function>(); | 73 return CCCubicBezierTimingFunction::create(0.42, 0, 0.58, 1); |
72 } | 74 } |
73 | 75 |
74 } // namespace cc | 76 } // namespace cc |
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