OLD | NEW |
1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef UI_GFX_INTERPOLATED_TRANSFORM_H_ | 5 #ifndef UI_GFX_INTERPOLATED_TRANSFORM_H_ |
6 #define UI_GFX_INTERPOLATED_TRANSFORM_H_ | 6 #define UI_GFX_INTERPOLATED_TRANSFORM_H_ |
7 | 7 |
8 #include <memory> | 8 #include <memory> |
9 | 9 |
10 #include "base/macros.h" | 10 #include "base/macros.h" |
(...skipping 24 matching lines...) Expand all Loading... |
35 InterpolatedTransform(float start_time, float end_time); | 35 InterpolatedTransform(float start_time, float end_time); |
36 virtual ~InterpolatedTransform(); | 36 virtual ~InterpolatedTransform(); |
37 | 37 |
38 // Returns the interpolated transform at time t. Note: not virtual. | 38 // Returns the interpolated transform at time t. Note: not virtual. |
39 gfx::Transform Interpolate(float t) const; | 39 gfx::Transform Interpolate(float t) const; |
40 | 40 |
41 // The Intepolate ultimately returns the product of our transform at time t | 41 // The Intepolate ultimately returns the product of our transform at time t |
42 // and our child's transform at time t (if we have one). | 42 // and our child's transform at time t (if we have one). |
43 // | 43 // |
44 // This function takes ownership of the passed InterpolatedTransform. | 44 // This function takes ownership of the passed InterpolatedTransform. |
45 void SetChild(InterpolatedTransform* child); | 45 void SetChild(std::unique_ptr<InterpolatedTransform> child); |
46 | 46 |
47 // If the interpolated transform is reversed, Interpolate(t) will return | 47 // If the interpolated transform is reversed, Interpolate(t) will return |
48 // Interpolate(1 - t) | 48 // Interpolate(1 - t) |
49 void SetReversed(bool reversed) { reversed_ = reversed; } | 49 void SetReversed(bool reversed) { reversed_ = reversed; } |
50 bool Reversed() const { return reversed_; } | 50 bool Reversed() const { return reversed_; } |
51 | 51 |
52 protected: | 52 protected: |
53 // Calculates the interpolated transform without considering our child. | 53 // Calculates the interpolated transform without considering our child. |
54 virtual gfx::Transform InterpolateButDoNotCompose(float t) const = 0; | 54 virtual gfx::Transform InterpolateButDoNotCompose(float t) const = 0; |
55 | 55 |
(...skipping 160 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
216 // | 216 // |
217 // Represents an animated transform with a transformed origin. Essentially, | 217 // Represents an animated transform with a transformed origin. Essentially, |
218 // at each time, t, the interpolated transform is created by composing | 218 // at each time, t, the interpolated transform is created by composing |
219 // P * T * P^-1 where P is a constant transform to the new origin. | 219 // P * T * P^-1 where P is a constant transform to the new origin. |
220 // | 220 // |
221 /////////////////////////////////////////////////////////////////////////////// | 221 /////////////////////////////////////////////////////////////////////////////// |
222 class GFX_EXPORT InterpolatedTransformAboutPivot | 222 class GFX_EXPORT InterpolatedTransformAboutPivot |
223 : public InterpolatedTransform { | 223 : public InterpolatedTransform { |
224 public: | 224 public: |
225 // Takes ownership of the passed transform. | 225 // Takes ownership of the passed transform. |
226 InterpolatedTransformAboutPivot(const gfx::Point& pivot, | 226 InterpolatedTransformAboutPivot( |
227 InterpolatedTransform* transform); | 227 const gfx::Point& pivot, |
| 228 std::unique_ptr<InterpolatedTransform> transform); |
228 | 229 |
229 // Takes ownership of the passed transform. | 230 // Takes ownership of the passed transform. |
230 InterpolatedTransformAboutPivot(const gfx::Point& pivot, | 231 InterpolatedTransformAboutPivot( |
231 InterpolatedTransform* transform, | 232 const gfx::Point& pivot, |
232 float start_time, | 233 std::unique_ptr<InterpolatedTransform> transform, |
233 float end_time); | 234 float start_time, |
| 235 float end_time); |
234 ~InterpolatedTransformAboutPivot() override; | 236 ~InterpolatedTransformAboutPivot() override; |
235 | 237 |
236 protected: | 238 protected: |
237 gfx::Transform InterpolateButDoNotCompose(float t) const override; | 239 gfx::Transform InterpolateButDoNotCompose(float t) const override; |
238 | 240 |
239 private: | 241 private: |
240 void Init(const gfx::Point& pivot, InterpolatedTransform* transform); | 242 void Init(const gfx::Point& pivot, |
| 243 std::unique_ptr<InterpolatedTransform> transform); |
241 | 244 |
242 std::unique_ptr<InterpolatedTransform> transform_; | 245 std::unique_ptr<InterpolatedTransform> transform_; |
243 | 246 |
244 DISALLOW_COPY_AND_ASSIGN(InterpolatedTransformAboutPivot); | 247 DISALLOW_COPY_AND_ASSIGN(InterpolatedTransformAboutPivot); |
245 }; | 248 }; |
246 | 249 |
247 class GFX_EXPORT InterpolatedMatrixTransform : public InterpolatedTransform { | 250 class GFX_EXPORT InterpolatedMatrixTransform : public InterpolatedTransform { |
248 public: | 251 public: |
249 InterpolatedMatrixTransform(const gfx::Transform& start_transform, | 252 InterpolatedMatrixTransform(const gfx::Transform& start_transform, |
250 const gfx::Transform& end_transform); | 253 const gfx::Transform& end_transform); |
(...skipping 12 matching lines...) Expand all Loading... |
263 void Init(const gfx::Transform& start_transform, | 266 void Init(const gfx::Transform& start_transform, |
264 const gfx::Transform& end_transform); | 267 const gfx::Transform& end_transform); |
265 | 268 |
266 gfx::DecomposedTransform start_decomp_; | 269 gfx::DecomposedTransform start_decomp_; |
267 gfx::DecomposedTransform end_decomp_; | 270 gfx::DecomposedTransform end_decomp_; |
268 }; | 271 }; |
269 | 272 |
270 } // namespace ui | 273 } // namespace ui |
271 | 274 |
272 #endif // UI_GFX_INTERPOLATED_TRANSFORM_H_ | 275 #endif // UI_GFX_INTERPOLATED_TRANSFORM_H_ |
OLD | NEW |