summaryrefslogtreecommitdiffstats
path: root/cc/animation/keyframed_animation_curve.h
blob: b5dfb14628fabe044de8a155161655fe0a050743 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
// Copyright 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CC_ANIMATION_KEYFRAMED_ANIMATION_CURVE_H_
#define CC_ANIMATION_KEYFRAMED_ANIMATION_CURVE_H_

#include "base/time/time.h"
#include "cc/animation/animation_curve.h"
#include "cc/animation/timing_function.h"
#include "cc/animation/transform_operations.h"
#include "cc/base/cc_export.h"
#include "cc/base/scoped_ptr_vector.h"

namespace cc {

class CC_EXPORT Keyframe {
 public:
  base::TimeDelta Time() const;
  const TimingFunction* timing_function() const {
    return timing_function_.get();
  }

 protected:
  Keyframe(base::TimeDelta time, scoped_ptr<TimingFunction> timing_function);
  virtual ~Keyframe();

 private:
  base::TimeDelta time_;
  scoped_ptr<TimingFunction> timing_function_;

  DISALLOW_COPY_AND_ASSIGN(Keyframe);
};

class CC_EXPORT ColorKeyframe : public Keyframe {
 public:
  static scoped_ptr<ColorKeyframe> Create(
      base::TimeDelta time,
      SkColor value,
      scoped_ptr<TimingFunction> timing_function);
  ~ColorKeyframe() override;

  SkColor Value() const;

  scoped_ptr<ColorKeyframe> Clone() const;

 private:
  ColorKeyframe(base::TimeDelta time,
                SkColor value,
                scoped_ptr<TimingFunction> timing_function);

  SkColor value_;
};

class CC_EXPORT FloatKeyframe : public Keyframe {
 public:
  static scoped_ptr<FloatKeyframe> Create(
      base::TimeDelta time,
      float value,
      scoped_ptr<TimingFunction> timing_function);
  ~FloatKeyframe() override;

  float Value() const;

  scoped_ptr<FloatKeyframe> Clone() const;

 private:
  FloatKeyframe(base::TimeDelta time,
                float value,
                scoped_ptr<TimingFunction> timing_function);

  float value_;
};

class CC_EXPORT TransformKeyframe : public Keyframe {
 public:
  static scoped_ptr<TransformKeyframe> Create(
      base::TimeDelta time,
      const TransformOperations& value,
      scoped_ptr<TimingFunction> timing_function);
  ~TransformKeyframe() override;

  const TransformOperations& Value() const;

  scoped_ptr<TransformKeyframe> Clone() const;

 private:
  TransformKeyframe(base::TimeDelta time,
                    const TransformOperations& value,
                    scoped_ptr<TimingFunction> timing_function);

  TransformOperations value_;
};

class CC_EXPORT FilterKeyframe : public Keyframe {
 public:
  static scoped_ptr<FilterKeyframe> Create(
      base::TimeDelta time,
      const FilterOperations& value,
      scoped_ptr<TimingFunction> timing_function);
  ~FilterKeyframe() override;

  const FilterOperations& Value() const;

  scoped_ptr<FilterKeyframe> Clone() const;

 private:
  FilterKeyframe(base::TimeDelta time,
                 const FilterOperations& value,
                 scoped_ptr<TimingFunction> timing_function);

  FilterOperations value_;
};

class CC_EXPORT KeyframedColorAnimationCurve : public ColorAnimationCurve {
 public:
  // It is required that the keyframes be sorted by time.
  static scoped_ptr<KeyframedColorAnimationCurve> Create();

  ~KeyframedColorAnimationCurve() override;

  void AddKeyframe(scoped_ptr<ColorKeyframe> keyframe);
  void SetTimingFunction(scoped_ptr<TimingFunction> timing_function) {
    timing_function_ = timing_function.Pass();
  }

  // AnimationCurve implementation
  base::TimeDelta Duration() const override;
  scoped_ptr<AnimationCurve> Clone() const override;

  // BackgrounColorAnimationCurve implementation
  SkColor GetValue(base::TimeDelta t) const override;

 private:
  KeyframedColorAnimationCurve();

  // Always sorted in order of increasing time. No two keyframes have the
  // same time.
  ScopedPtrVector<ColorKeyframe> keyframes_;
  scoped_ptr<TimingFunction> timing_function_;

  DISALLOW_COPY_AND_ASSIGN(KeyframedColorAnimationCurve);
};

class CC_EXPORT KeyframedFloatAnimationCurve : public FloatAnimationCurve {
 public:
  // It is required that the keyframes be sorted by time.
  static scoped_ptr<KeyframedFloatAnimationCurve> Create();

  ~KeyframedFloatAnimationCurve() override;

  void AddKeyframe(scoped_ptr<FloatKeyframe> keyframe);
  void SetTimingFunction(scoped_ptr<TimingFunction> timing_function) {
    timing_function_ = timing_function.Pass();
  }

  // AnimationCurve implementation
  base::TimeDelta Duration() const override;
  scoped_ptr<AnimationCurve> Clone() const override;

  // FloatAnimationCurve implementation
  float GetValue(base::TimeDelta t) const override;

 private:
  KeyframedFloatAnimationCurve();

  // Always sorted in order of increasing time. No two keyframes have the
  // same time.
  ScopedPtrVector<FloatKeyframe> keyframes_;
  scoped_ptr<TimingFunction> timing_function_;

  DISALLOW_COPY_AND_ASSIGN(KeyframedFloatAnimationCurve);
};

class CC_EXPORT KeyframedTransformAnimationCurve
    : public TransformAnimationCurve {
 public:
  // It is required that the keyframes be sorted by time.
  static scoped_ptr<KeyframedTransformAnimationCurve> Create();

  ~KeyframedTransformAnimationCurve() override;

  void AddKeyframe(scoped_ptr<TransformKeyframe> keyframe);
  void SetTimingFunction(scoped_ptr<TimingFunction> timing_function) {
    timing_function_ = timing_function.Pass();
  }

  // AnimationCurve implementation
  base::TimeDelta Duration() const override;
  scoped_ptr<AnimationCurve> Clone() const override;

  // TransformAnimationCurve implementation
  gfx::Transform GetValue(base::TimeDelta t) const override;
  bool AnimatedBoundsForBox(const gfx::BoxF& box,
                            gfx::BoxF* bounds) const override;
  bool AffectsScale() const override;
  bool PreservesAxisAlignment() const override;
  bool IsTranslation() const override;
  bool AnimationStartScale(bool forward_direction,
                           float* start_scale) const override;
  bool MaximumTargetScale(bool forward_direction,
                          float* max_scale) const override;

 private:
  KeyframedTransformAnimationCurve();

  // Always sorted in order of increasing time. No two keyframes have the
  // same time.
  ScopedPtrVector<TransformKeyframe> keyframes_;
  scoped_ptr<TimingFunction> timing_function_;

  DISALLOW_COPY_AND_ASSIGN(KeyframedTransformAnimationCurve);
};

class CC_EXPORT KeyframedFilterAnimationCurve
    : public FilterAnimationCurve {
 public:
  // It is required that the keyframes be sorted by time.
  static scoped_ptr<KeyframedFilterAnimationCurve> Create();

  ~KeyframedFilterAnimationCurve() override;

  void AddKeyframe(scoped_ptr<FilterKeyframe> keyframe);
  void SetTimingFunction(scoped_ptr<TimingFunction> timing_function) {
    timing_function_ = timing_function.Pass();
  }

  // AnimationCurve implementation
  base::TimeDelta Duration() const override;
  scoped_ptr<AnimationCurve> Clone() const override;

  // FilterAnimationCurve implementation
  FilterOperations GetValue(base::TimeDelta t) const override;
  bool HasFilterThatMovesPixels() const override;

 private:
  KeyframedFilterAnimationCurve();

  // Always sorted in order of increasing time. No two keyframes have the
  // same time.
  ScopedPtrVector<FilterKeyframe> keyframes_;
  scoped_ptr<TimingFunction> timing_function_;

  DISALLOW_COPY_AND_ASSIGN(KeyframedFilterAnimationCurve);
};

}  // namespace cc

#endif  // CC_ANIMATION_KEYFRAMED_ANIMATION_CURVE_H_