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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 "config.h" | |
6 | |
7 #include "cc/math_util.h" | 5 #include "cc/math_util.h" |
8 | 6 |
9 #include <cmath> | 7 #include <cmath> |
10 #include <limits> | 8 #include <limits> |
11 | 9 |
12 #include "ui/gfx/quad_f.h" | 10 #include "ui/gfx/quad_f.h" |
13 #include "ui/gfx/rect.h" | 11 #include "ui/gfx/rect.h" |
14 #include "ui/gfx/rect_conversions.h" | 12 #include "ui/gfx/rect_conversions.h" |
15 #include "ui/gfx/rect_f.h" | 13 #include "ui/gfx/rect_f.h" |
16 #include "ui/gfx/vector2d_f.h" | 14 #include "ui/gfx/vector2d_f.h" |
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391 return static_cast<float>(Rad2Deg(std::acos(dotProduct))); | 389 return static_cast<float>(Rad2Deg(std::acos(dotProduct))); |
392 } | 390 } |
393 | 391 |
394 gfx::Vector2dF MathUtil::projectVector(gfx::Vector2dF source, gfx::Vector2dF des
tination) | 392 gfx::Vector2dF MathUtil::projectVector(gfx::Vector2dF source, gfx::Vector2dF des
tination) |
395 { | 393 { |
396 float projectedLength = gfx::DotProduct(source, destination) / destination.L
engthSquared(); | 394 float projectedLength = gfx::DotProduct(source, destination) / destination.L
engthSquared(); |
397 return gfx::Vector2dF(projectedLength * destination.x(), projectedLength * d
estination.y()); | 395 return gfx::Vector2dF(projectedLength * destination.x(), projectedLength * d
estination.y()); |
398 } | 396 } |
399 | 397 |
400 } // namespace cc | 398 } // namespace cc |
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