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1 // Copyright 2012 The Chromium Authors. All rights reserved. | 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 | 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 #include <algorithm> | 5 #include <algorithm> |
6 | 6 |
7 #include "cc/animation/keyframed_animation_curve.h" | 7 #include "cc/animation/keyframed_animation_curve.h" |
8 #include "cc/base/time_util.h" | 8 #include "cc/base/time_util.h" |
9 #include "ui/gfx/animation/tween.h" | 9 #include "ui/gfx/animation/tween.h" |
10 #include "ui/gfx/geometry/box_f.h" | 10 #include "ui/gfx/geometry/box_f.h" |
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372 } | 372 } |
373 | 373 |
374 bool KeyframedTransformAnimationCurve::IsTranslation() const { | 374 bool KeyframedTransformAnimationCurve::IsTranslation() const { |
375 for (size_t i = 0; i < keyframes_.size(); ++i) { | 375 for (size_t i = 0; i < keyframes_.size(); ++i) { |
376 if (!keyframes_[i]->Value().IsTranslation() && | 376 if (!keyframes_[i]->Value().IsTranslation() && |
377 !keyframes_[i]->Value().IsIdentity()) | 377 !keyframes_[i]->Value().IsIdentity()) |
378 return false; | 378 return false; |
379 } | 379 } |
380 return true; | 380 return true; |
381 } | 381 } |
382 bool KeyframedTransformAnimationCurve::AnimationStartScale( | |
383 bool forward_direction, | |
384 float* start_scale) const { | |
385 DCHECK_GE(keyframes_.size(), 2ul); | |
386 *start_scale = 0.f; | |
387 size_t start_location = 0; | |
388 if (!forward_direction) { | |
389 start_location = keyframes_.size() - 1; | |
390 } | |
382 | 391 |
392 gfx::Vector3dF target_scale_for_segment; | |
ajuma
2015/04/23 19:17:01
start_scale_for_segment?
patro
2015/04/24 11:47:27
Done.
| |
393 if (!keyframes_[start_location]->Value().ScaleComponent( | |
394 &target_scale_for_segment)) | |
395 return false; | |
396 float start_scale_for_segment = | |
397 fmax(std::abs(target_scale_for_segment.x()), | |
398 fmax(std::abs(target_scale_for_segment.y()), | |
399 std::abs(target_scale_for_segment.z()))); | |
400 *start_scale = fmax(*start_scale, start_scale_for_segment); | |
401 return true; | |
402 } | |
383 bool KeyframedTransformAnimationCurve::MaximumTargetScale( | 403 bool KeyframedTransformAnimationCurve::MaximumTargetScale( |
384 bool forward_direction, | 404 bool forward_direction, |
385 float* max_scale) const { | 405 float* max_scale) const { |
386 DCHECK_GE(keyframes_.size(), 2ul); | 406 DCHECK_GE(keyframes_.size(), 2ul); |
387 *max_scale = 0.f; | 407 *max_scale = 0.f; |
388 | 408 |
389 // If |forward_direction| is true, then skip the first frame, otherwise | 409 // If |forward_direction| is true, then skip the first frame, otherwise |
390 // skip the last frame, since that is the original position in the animation. | 410 // skip the last frame, since that is the original position in the animation. |
391 size_t start = 1; | 411 size_t start = 1; |
392 size_t end = keyframes_.size(); | 412 size_t end = keyframes_.size(); |
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456 bool KeyframedFilterAnimationCurve::HasFilterThatMovesPixels() const { | 476 bool KeyframedFilterAnimationCurve::HasFilterThatMovesPixels() const { |
457 for (size_t i = 0; i < keyframes_.size(); ++i) { | 477 for (size_t i = 0; i < keyframes_.size(); ++i) { |
458 if (keyframes_[i]->Value().HasFilterThatMovesPixels()) { | 478 if (keyframes_[i]->Value().HasFilterThatMovesPixels()) { |
459 return true; | 479 return true; |
460 } | 480 } |
461 } | 481 } |
462 return false; | 482 return false; |
463 } | 483 } |
464 | 484 |
465 } // namespace cc | 485 } // namespace cc |
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