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// 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.
#include "cc/blink/web_float_animation_curve_impl.h"
#include "cc/animation/animation_curve.h"
#include "cc/animation/keyframed_animation_curve.h"
#include "cc/animation/timing_function.h"
#include "cc/blink/web_animation_curve_common.h"
using blink::WebFloatKeyframe;
namespace cc_blink {
WebFloatAnimationCurveImpl::WebFloatAnimationCurveImpl()
: curve_(cc::KeyframedFloatAnimationCurve::Create()) {
}
WebFloatAnimationCurveImpl::~WebFloatAnimationCurveImpl() {
}
blink::WebCompositorAnimationCurve::AnimationCurveType
WebFloatAnimationCurveImpl::type() const {
return blink::WebCompositorAnimationCurve::AnimationCurveTypeFloat;
}
void WebFloatAnimationCurveImpl::add(const WebFloatKeyframe& keyframe) {
add(keyframe, TimingFunctionTypeEase);
}
void WebFloatAnimationCurveImpl::add(const WebFloatKeyframe& keyframe,
TimingFunctionType type) {
curve_->AddKeyframe(
cc::FloatKeyframe::Create(base::TimeDelta::FromSecondsD(keyframe.time),
keyframe.value, CreateTimingFunction(type)));
}
void WebFloatAnimationCurveImpl::add(const WebFloatKeyframe& keyframe,
double x1,
double y1,
double x2,
double y2) {
curve_->AddKeyframe(cc::FloatKeyframe::Create(
base::TimeDelta::FromSecondsD(keyframe.time), keyframe.value,
cc::CubicBezierTimingFunction::Create(x1, y1, x2, y2)));
}
void WebFloatAnimationCurveImpl::add(const WebFloatKeyframe& keyframe,
int steps,
float steps_start_offset) {
curve_->AddKeyframe(cc::FloatKeyframe::Create(
base::TimeDelta::FromSecondsD(keyframe.time), keyframe.value,
cc::StepsTimingFunction::Create(steps, steps_start_offset)));
}
void WebFloatAnimationCurveImpl::setLinearTimingFunction() {
curve_->SetTimingFunction(nullptr);
}
void WebFloatAnimationCurveImpl::setCubicBezierTimingFunction(
TimingFunctionType type) {
curve_->SetTimingFunction(CreateTimingFunction(type));
}
void WebFloatAnimationCurveImpl::setCubicBezierTimingFunction(double x1,
double y1,
double x2,
double y2) {
curve_->SetTimingFunction(
cc::CubicBezierTimingFunction::Create(x1, y1, x2, y2).Pass());
}
void WebFloatAnimationCurveImpl::setStepsTimingFunction(
int number_of_steps,
float steps_start_offset) {
curve_->SetTimingFunction(cc::StepsTimingFunction::Create(
number_of_steps, steps_start_offset).Pass());
}
float WebFloatAnimationCurveImpl::getValue(double time) const {
return curve_->GetValue(base::TimeDelta::FromSecondsD(time));
}
scoped_ptr<cc::AnimationCurve>
WebFloatAnimationCurveImpl::CloneToAnimationCurve() const {
return curve_->Clone();
}
} // namespace cc_blink
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