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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "sky/engine/core/animation/InterpolableValue.h" | |
| 6 | |
| 7 namespace blink { | |
| 8 | |
| 9 DEFINE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(InterpolableValue); | |
| 10 | |
| 11 PassOwnPtr<InterpolableValue> InterpolableNumber::interpolate(const Interpolable
Value &to, const double progress) const | |
| 12 { | |
| 13 const InterpolableNumber& toNumber = toInterpolableNumber(to); | |
| 14 if (!progress) | |
| 15 return create(m_value); | |
| 16 if (progress == 1) | |
| 17 return create(toNumber.m_value); | |
| 18 return create(m_value * (1 - progress) + toNumber.m_value * progress); | |
| 19 } | |
| 20 | |
| 21 PassOwnPtr<InterpolableValue> InterpolableBool::interpolate(const InterpolableVa
lue &to, const double progress) const | |
| 22 { | |
| 23 if (progress < 0.5) { | |
| 24 return clone(); | |
| 25 } | |
| 26 return to.clone(); | |
| 27 } | |
| 28 | |
| 29 PassOwnPtr<InterpolableValue> InterpolableList::interpolate(const InterpolableVa
lue &to, const double progress) const | |
| 30 { | |
| 31 const InterpolableList& toList = toInterpolableList(to); | |
| 32 ASSERT(toList.m_size == m_size); | |
| 33 | |
| 34 if (!progress) { | |
| 35 return create(*this); | |
| 36 } | |
| 37 if (progress == 1) { | |
| 38 return InterpolableList::create(toList); | |
| 39 } | |
| 40 | |
| 41 OwnPtr<InterpolableList> result = create(m_size); | |
| 42 for (size_t i = 0; i < m_size; i++) { | |
| 43 ASSERT(m_values[i]); | |
| 44 ASSERT(toList.m_values[i]); | |
| 45 result->set(i, m_values[i]->interpolate(*(toList.m_values[i]), progress)
); | |
| 46 } | |
| 47 return result.release(); | |
| 48 } | |
| 49 | |
| 50 PassOwnPtr<InterpolableValue> InterpolableAnimatableValue::interpolate(const Int
erpolableValue &other, const double percentage) const | |
| 51 { | |
| 52 const InterpolableAnimatableValue& otherValue = toInterpolableAnimatableValu
e(other); | |
| 53 if (!percentage) | |
| 54 return create(m_value); | |
| 55 if (percentage == 1) | |
| 56 return create(otherValue.m_value); | |
| 57 return create(AnimatableValue::interpolate(m_value.get(), otherValue.m_value
.get(), percentage)); | |
| 58 } | |
| 59 | |
| 60 } | |
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