mirror of
https://github.com/flutter/flutter.git
synced 2026-02-20 02:29:02 +08:00
295f920116
I wrote a script to do this which is attached to the bug. TBR=abarth@chromium.org BUG=435361 Review URL: https://codereview.chromium.org/736373003
46 lines
1.4 KiB
C++
46 lines
1.4 KiB
C++
// Copyright 2014 The Chromium Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
#ifndef SKY_ENGINE_CORE_ANIMATION_INTERPOLATION_H_
|
|
#define SKY_ENGINE_CORE_ANIMATION_INTERPOLATION_H_
|
|
|
|
#include "sky/engine/core/animation/InterpolableValue.h"
|
|
#include "sky/engine/platform/heap/Handle.h"
|
|
|
|
namespace blink {
|
|
|
|
class Interpolation : public RefCounted<Interpolation> {
|
|
DECLARE_EMPTY_VIRTUAL_DESTRUCTOR_WILL_BE_REMOVED(Interpolation);
|
|
public:
|
|
static PassRefPtr<Interpolation> create(PassOwnPtr<InterpolableValue> start, PassOwnPtr<InterpolableValue> end)
|
|
{
|
|
return adoptRef(new Interpolation(start, end));
|
|
}
|
|
|
|
void interpolate(int iteration, double fraction) const;
|
|
|
|
virtual bool isStyleInterpolation() const { return false; }
|
|
virtual bool isLegacyStyleInterpolation() const { return false; }
|
|
|
|
protected:
|
|
const OwnPtr<InterpolableValue> m_start;
|
|
const OwnPtr<InterpolableValue> m_end;
|
|
|
|
mutable double m_cachedFraction;
|
|
mutable int m_cachedIteration;
|
|
mutable OwnPtr<InterpolableValue> m_cachedValue;
|
|
|
|
Interpolation(PassOwnPtr<InterpolableValue> start, PassOwnPtr<InterpolableValue> end);
|
|
|
|
private:
|
|
InterpolableValue* getCachedValueForTesting() const { return m_cachedValue.get(); }
|
|
|
|
friend class AnimationInterpolableValueTest;
|
|
friend class AnimationInterpolationEffectTest;
|
|
};
|
|
|
|
}
|
|
|
|
#endif // SKY_ENGINE_CORE_ANIMATION_INTERPOLATION_H_
|