src/cc/blink/web_filter_animation_curve_impl.cc

   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
  13 using blink::WebFilterKeyframe;
  14
  15 namespace cc_blink {
  16
  17 WebFilterAnimationCurveImpl::WebFilterAnimationCurveImpl()
  18     : curve_(cc::KeyframedFilterAnimationCurve::Create()) {
  19 }
  20
  21 WebFilterAnimationCurveImpl::~WebFilterAnimationCurveImpl() {
  22 }
  23
  24 blink::WebCompositorAnimationCurve::AnimationCurveType
  25 WebFilterAnimationCurveImpl::type() const {
  26   return WebCompositorAnimationCurve::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 cc_blink