cc/animation/animation_curve.cc

   1 // Copyright 2012 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/animation/animation_curve.h"
   6
   7 #include "base/logging.h"
   8 #include "cc/animation/scroll_offset_animation_curve.h"
   9
  10 namespace cc {
  11
  12 const ColorAnimationCurve* AnimationCurve::ToColorAnimationCurve() const {
  13   DCHECK(Type() == AnimationCurve::Color);
  14   return static_cast<const ColorAnimationCurve*>(this);
  15 }
  16
  17 AnimationCurve::CurveType ColorAnimationCurve::Type() const { return Color; }
  18
  19 const FloatAnimationCurve* AnimationCurve::ToFloatAnimationCurve() const {
  20   DCHECK(Type() == AnimationCurve::Float);
  21   return static_cast<const FloatAnimationCurve*>(this);
  22 }
  23
  24 AnimationCurve::CurveType FloatAnimationCurve::Type() const {
  25   return Float;
  26 }
  27
  28 const TransformAnimationCurve* AnimationCurve::ToTransformAnimationCurve()
  29     const {
  30   DCHECK(Type() == AnimationCurve::Transform);
  31   return static_cast<const TransformAnimationCurve*>(this);
  32 }
  33
  34 AnimationCurve::CurveType TransformAnimationCurve::Type() const {
  35   return Transform;
  36 }
  37
  38 const FilterAnimationCurve* AnimationCurve::ToFilterAnimationCurve() const {
  39   DCHECK(Type() == AnimationCurve::Filter);
  40   return static_cast<const FilterAnimationCurve*>(this);
  41 }
  42
  43 AnimationCurve::CurveType FilterAnimationCurve::Type() const {
  44   return Filter;
  45 }
  46
  47 const ScrollOffsetAnimationCurve* AnimationCurve::ToScrollOffsetAnimationCurve()
  48     const {
  49   DCHECK(Type() == AnimationCurve::ScrollOffset);
  50   return static_cast<const ScrollOffsetAnimationCurve*>(this);
  51 }
  52
  53 ScrollOffsetAnimationCurve* AnimationCurve::ToScrollOffsetAnimationCurve() {
  54   DCHECK(Type() == AnimationCurve::ScrollOffset);
  55   return static_cast<ScrollOffsetAnimationCurve*>(this);
  56 }
  57
  58 }  // namespace cc