| // Copyright 2012 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 CC_KEYFRAMED_ANIMATION_CURVE_H_ |
| #define CC_KEYFRAMED_ANIMATION_CURVE_H_ |
| |
| #include "cc/animation_curve.h" |
| #include "cc/cc_export.h" |
| #include "cc/scoped_ptr_vector.h" |
| #include "cc/timing_function.h" |
| #include <public/WebTransformOperations.h> |
| |
| namespace cc { |
| |
| class CC_EXPORT Keyframe { |
| public: |
| double time() const; |
| const TimingFunction* timingFunction() const; |
| |
| protected: |
| Keyframe(double time, scoped_ptr<TimingFunction>); |
| virtual ~Keyframe(); |
| |
| private: |
| double m_time; |
| scoped_ptr<TimingFunction> m_timingFunction; |
| |
| DISALLOW_COPY_AND_ASSIGN(Keyframe); |
| }; |
| |
| class CC_EXPORT FloatKeyframe : public Keyframe { |
| public: |
| static scoped_ptr<FloatKeyframe> create(double time, float value, scoped_ptr<TimingFunction>); |
| virtual ~FloatKeyframe(); |
| |
| float value() const; |
| |
| scoped_ptr<FloatKeyframe> clone() const; |
| |
| private: |
| FloatKeyframe(double time, float value, scoped_ptr<TimingFunction>); |
| |
| float m_value; |
| }; |
| |
| class CC_EXPORT TransformKeyframe : public Keyframe { |
| public: |
| static scoped_ptr<TransformKeyframe> create(double time, const WebKit::WebTransformOperations& value, scoped_ptr<TimingFunction>); |
| virtual ~TransformKeyframe(); |
| |
| const WebKit::WebTransformOperations& value() const; |
| |
| scoped_ptr<TransformKeyframe> clone() const; |
| |
| private: |
| TransformKeyframe(double time, const WebKit::WebTransformOperations& value, scoped_ptr<TimingFunction>); |
| |
| WebKit::WebTransformOperations m_value; |
| }; |
| |
| class CC_EXPORT KeyframedFloatAnimationCurve : public FloatAnimationCurve { |
| public: |
| // It is required that the keyframes be sorted by time. |
| static scoped_ptr<KeyframedFloatAnimationCurve> create(); |
| |
| virtual ~KeyframedFloatAnimationCurve(); |
| |
| void addKeyframe(scoped_ptr<FloatKeyframe>); |
| |
| // AnimationCurve implementation |
| virtual double duration() const OVERRIDE; |
| virtual scoped_ptr<AnimationCurve> clone() const OVERRIDE; |
| |
| // FloatAnimationCurve implementation |
| virtual float getValue(double t) const OVERRIDE; |
| |
| private: |
| KeyframedFloatAnimationCurve(); |
| |
| // Always sorted in order of increasing time. No two keyframes have the |
| // same time. |
| ScopedPtrVector<FloatKeyframe> m_keyframes; |
| |
| DISALLOW_COPY_AND_ASSIGN(KeyframedFloatAnimationCurve); |
| }; |
| |
| class CC_EXPORT KeyframedTransformAnimationCurve : public TransformAnimationCurve { |
| public: |
| // It is required that the keyframes be sorted by time. |
| static scoped_ptr<KeyframedTransformAnimationCurve> create(); |
| |
| virtual ~KeyframedTransformAnimationCurve(); |
| |
| void addKeyframe(scoped_ptr<TransformKeyframe>); |
| |
| // AnimationCurve implementation |
| virtual double duration() const OVERRIDE; |
| virtual scoped_ptr<AnimationCurve> clone() const OVERRIDE; |
| |
| // TransformAnimationCurve implementation |
| virtual WebKit::WebTransformationMatrix getValue(double t) const OVERRIDE; |
| |
| private: |
| KeyframedTransformAnimationCurve(); |
| |
| // Always sorted in order of increasing time. No two keyframes have the |
| // same time. |
| ScopedPtrVector<TransformKeyframe> m_keyframes; |
| |
| DISALLOW_COPY_AND_ASSIGN(KeyframedTransformAnimationCurve); |
| }; |
| |
| } // namespace cc |
| |
| #endif // CC_KEYFRAMED_ANIMATION_CURVE_H_ |