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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 "core/animation/Interpolation.h" | 5 #include "core/animation/Interpolation.h" |
6 | 6 |
7 namespace blink { | 7 namespace blink { |
8 | 8 |
9 namespace { | 9 namespace { |
10 | 10 |
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24 const InterpolableList* endList = toInterpolableList(end); | 24 const InterpolableList* endList = toInterpolableList(end); |
25 if (startList->length() != endList->length()) | 25 if (startList->length() != endList->length()) |
26 return false; | 26 return false; |
27 for (size_t i = 0; i < startList->length(); ++i) { | 27 for (size_t i = 0; i < startList->length(); ++i) { |
28 if (!typesMatch(startList->get(i), endList->get(i))) | 28 if (!typesMatch(startList->get(i), endList->get(i))) |
29 return false; | 29 return false; |
30 } | 30 } |
31 return true; | 31 return true; |
32 } | 32 } |
33 | 33 |
34 } | 34 } // namespace |
35 | 35 |
36 Interpolation::Interpolation(PassOwnPtr<InterpolableValue> start, PassOwnPtr<Int
erpolableValue> end) | 36 Interpolation::Interpolation(PassOwnPtr<InterpolableValue> start, PassOwnPtr<Int
erpolableValue> end) |
37 : m_start(start) | 37 : m_start(start) |
38 , m_end(end) | 38 , m_end(end) |
39 , m_cachedFraction(0) | 39 , m_cachedFraction(0) |
40 , m_cachedIteration(0) | 40 , m_cachedIteration(0) |
41 , m_cachedValue(m_start ? m_start->clone() : nullptr) | 41 , m_cachedValue(m_start ? m_start->clone() : nullptr) |
42 { | 42 { |
43 RELEASE_ASSERT(typesMatch(m_start.get(), m_end.get())); | 43 RELEASE_ASSERT(typesMatch(m_start.get(), m_end.get())); |
44 } | 44 } |
45 | 45 |
46 Interpolation::~Interpolation() | 46 Interpolation::~Interpolation() |
47 { | 47 { |
48 } | 48 } |
49 | 49 |
50 void Interpolation::interpolate(int iteration, double fraction) | 50 void Interpolation::interpolate(int iteration, double fraction) |
51 { | 51 { |
52 if (m_cachedFraction != fraction || m_cachedIteration != iteration) { | 52 if (m_cachedFraction != fraction || m_cachedIteration != iteration) { |
53 m_start->interpolate(*m_end, fraction, *m_cachedValue); | 53 m_start->interpolate(*m_end, fraction, *m_cachedValue); |
54 m_cachedIteration = iteration; | 54 m_cachedIteration = iteration; |
55 m_cachedFraction = fraction; | 55 m_cachedFraction = fraction; |
56 } | 56 } |
57 } | 57 } |
58 | 58 |
59 } | 59 } // namespace blink |
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