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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 "content/renderer/compositor_bindings/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/output/filter_operations.h"
     10 #include "content/renderer/compositor_bindings/web_animation_curve_common.h"
     11 #include "content/renderer/compositor_bindings/web_filter_operations_impl.h"
     12 
     13 using blink::WebFilterKeyframe;
     14 
     15 namespace content {
     16 
     17 WebFilterAnimationCurveImpl::WebFilterAnimationCurveImpl()
     18     : curve_(cc::KeyframedFilterAnimationCurve::Create()) {
     19 }
     20 
     21 WebFilterAnimationCurveImpl::~WebFilterAnimationCurveImpl() {
     22 }
     23 
     24 blink::WebAnimationCurve::AnimationCurveType WebFilterAnimationCurveImpl::type()
     25     const {
     26   return WebAnimationCurve::AnimationCurveTypeFilter;
     27 }
     28 
     29 void 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 
     38 void 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 
     53 scoped_ptr<cc::AnimationCurve>
     54 WebFilterAnimationCurveImpl::CloneToAnimationCurve() const {
     55   return curve_->Clone();
     56 }
     57 
     58 }  // namespace content
     59 
     60