Flutter Impeller
animation.h
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1 // Copyright 2013 The Flutter 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 #ifndef FLUTTER_IMPELLER_SCENE_ANIMATION_ANIMATION_H_
6 #define FLUTTER_IMPELLER_SCENE_ANIMATION_ANIMATION_H_
7 
8 #include <memory>
9 #include <string>
10 #include <vector>
11 
12 #include "flutter/fml/hash_combine.h"
13 #include "flutter/fml/macros.h"
14 #include "impeller/base/timing.h"
19 #include "impeller/scene/importer/scene_flatbuffers.h"
20 
21 namespace impeller {
22 namespace scene {
23 
24 class Node;
25 
26 class Animation final {
27  public:
28  static std::shared_ptr<Animation> MakeFromFlatbuffer(
29  const fb::Animation& animation,
30  const std::vector<std::shared_ptr<Node>>& scene_nodes);
31 
32  enum class Property {
34  kRotation,
35  kScale,
36  };
37 
38  struct BindKey {
39  std::string node_name;
41 
42  struct Hash {
43  std::size_t operator()(const BindKey& o) const {
44  return fml::HashCombine(o.node_name, o.property);
45  }
46  };
47 
48  struct Equal {
49  bool operator()(const BindKey& lhs, const BindKey& rhs) const {
50  return lhs.node_name == rhs.node_name && lhs.property == rhs.property;
51  }
52  };
53  };
54 
55  struct Channel {
57  std::unique_ptr<PropertyResolver> resolver;
58  };
59  ~Animation();
60 
61  const std::string& GetName() const;
62 
63  const std::vector<Channel>& GetChannels() const;
64 
65  SecondsF GetEndTime() const;
66 
67  private:
68  Animation();
69 
70  std::string name_;
71  std::vector<Channel> channels_;
72  SecondsF end_time_;
73 
74  Animation(const Animation&) = delete;
75 
76  Animation& operator=(const Animation&) = delete;
77 };
78 
79 } // namespace scene
80 } // namespace impeller
81 
82 #endif // FLUTTER_IMPELLER_SCENE_ANIMATION_ANIMATION_H_
timing.h
impeller::scene::Animation::Channel::bind_target
BindKey bind_target
Definition: animation.h:56
impeller::scene::Animation::Channel
Definition: animation.h:55
impeller::scene::Animation::GetChannels
const std::vector< Channel > & GetChannels() const
Definition: animation.cc:116
impeller::scene::Animation::BindKey::Hash
Definition: animation.h:42
quaternion.h
impeller::scene::Animation::BindKey
Definition: animation.h:38
impeller::scene::Animation::MakeFromFlatbuffer
static std::shared_ptr< Animation > MakeFromFlatbuffer(const fb::Animation &animation, const std::vector< std::shared_ptr< Node >> &scene_nodes)
Definition: animation.cc:19
property_resolver.h
impeller::scene::Animation::BindKey::Equal
Definition: animation.h:48
impeller::SecondsF
std::chrono::duration< float > SecondsF
Definition: timing.h:13
impeller::scene::Animation::Property::kTranslation
@ kTranslation
impeller::scene::Animation::BindKey::Hash::operator()
std::size_t operator()(const BindKey &o) const
Definition: animation.h:43
impeller::scene::Animation::GetName
const std::string & GetName() const
Definition: animation.cc:112
impeller::scene::Animation::Channel::resolver
std::unique_ptr< PropertyResolver > resolver
Definition: animation.h:57
impeller::scene::Animation::BindKey::Equal::operator()
bool operator()(const BindKey &lhs, const BindKey &rhs) const
Definition: animation.h:49
impeller::scene::Animation::Property::kScale
@ kScale
scalar.h
impeller::scene::Animation::Property
Property
Definition: animation.h:32
vector.h
impeller::scene::Animation::Property::kRotation
@ kRotation
impeller::scene::Animation::~Animation
~Animation()
impeller::scene::Animation::GetEndTime
SecondsF GetEndTime() const
Definition: animation.cc:120
impeller::scene::Animation::BindKey::node_name
std::string node_name
Definition: animation.h:39
impeller
Definition: aiks_blur_unittests.cc:20
impeller::scene::Animation::BindKey::property
Property property
Definition: animation.h:40
impeller::scene::Animation
Definition: animation.h:26