src/webkit/renderer/compositor_bindings/web_filter_animation_curve_impl.cc

   1 // Copyright 2013 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 "webkit/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 "webkit/renderer/compositor_bindings/web_animation_curve_common.h"
  11 #include "webkit/renderer/compositor_bindings/web_filter_operations_impl.h"
  12
  13 using WebKit::WebFilterKeyframe;
  14
  15 namespace webkit {
  16
  17 WebFilterAnimationCurveImpl::WebFilterAnimationCurveImpl()
  18     : curve_(cc::KeyframedFilterAnimationCurve::Create()) {}
  19
  20 WebFilterAnimationCurveImpl::~WebFilterAnimationCurveImpl() {}
  21
  22 WebKit::WebAnimationCurve::AnimationCurveType
  23 WebFilterAnimationCurveImpl::type() const {
  24   return WebAnimationCurve::AnimationCurveTypeFilter;
  25 }
  26
  27 void WebFilterAnimationCurveImpl::add(const WebFilterKeyframe& keyframe,
  28                                       TimingFunctionType type) {
  29   const cc::FilterOperations& filter_operations =
  30       static_cast<const webkit::WebFilterOperationsImpl&>(keyframe.value())
  31       .AsFilterOperations();
  32   curve_->AddKeyframe(cc::FilterKeyframe::Create(
  33       keyframe.time(), filter_operations, CreateTimingFunction(type)));
  34 }
  35
  36 void WebFilterAnimationCurveImpl::add(const WebFilterKeyframe& keyframe,
  37                                       double x1,
  38                                       double y1,
  39                                       double x2,
  40                                       double y2) {
  41   const cc::FilterOperations& filter_operations =
  42       static_cast<const webkit::WebFilterOperationsImpl&>(keyframe.value())
  43       .AsFilterOperations();
  44   curve_->AddKeyframe(cc::FilterKeyframe::Create(
  45       keyframe.time(),
  46       filter_operations,
  47       cc::CubicBezierTimingFunction::Create(x1, y1, x2, y2)
  48           .PassAs<cc::TimingFunction>()));
  49 }
  50
  51 scoped_ptr<cc::AnimationCurve>
  52 WebFilterAnimationCurveImpl::CloneToAnimationCurve() const {
  53   return curve_->Clone();
  54 }
  55
  56 }  // namespace webkit