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 "cc/blink/web_filter_animation_curve_impl.h"
6
7#include "cc/animation/keyframed_animation_curve.h"
8#include "cc/animation/timing_function.h"
9#include "cc/blink/web_animation_curve_common.h"
10#include "cc/blink/web_filter_operations_impl.h"
11#include "cc/output/filter_operations.h"
12
13using blink::WebFilterKeyframe;
14
15namespace cc_blink {
16
17WebFilterAnimationCurveImpl::WebFilterAnimationCurveImpl()
18    : curve_(cc::KeyframedFilterAnimationCurve::Create()) {
19}
20
21WebFilterAnimationCurveImpl::~WebFilterAnimationCurveImpl() {
22}
23
24blink::WebCompositorAnimationCurve::AnimationCurveType
25WebFilterAnimationCurveImpl::type() const {
26  return WebCompositorAnimationCurve::AnimationCurveTypeFilter;
27}
28
29void WebFilterAnimationCurveImpl::add(const WebFilterKeyframe& keyframe,
30                                      TimingFunctionType type) {
31  const cc::FilterOperations& filter_operations =
32      static_cast<const WebFilterOperationsImpl&>(keyframe.value())
33          .AsFilterOperations();
34  curve_->AddKeyframe(cc::FilterKeyframe::Create(
35      keyframe.time(), filter_operations, CreateTimingFunction(type)));
36}
37
38void WebFilterAnimationCurveImpl::add(const WebFilterKeyframe& keyframe,
39                                      double x1,
40                                      double y1,
41                                      double x2,
42                                      double y2) {
43  const cc::FilterOperations& filter_operations =
44      static_cast<const WebFilterOperationsImpl&>(keyframe.value())
45          .AsFilterOperations();
46  curve_->AddKeyframe(cc::FilterKeyframe::Create(
47      keyframe.time(),
48      filter_operations,
49      cc::CubicBezierTimingFunction::Create(x1, y1, x2, y2)
50          .PassAs<cc::TimingFunction>()));
51}
52
53scoped_ptr<cc::AnimationCurve>
54WebFilterAnimationCurveImpl::CloneToAnimationCurve() const {
55  return curve_->Clone();
56}
57
58}  // namespace cc_blink
59