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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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