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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 "ui/views/rect_based_targeting_utils.h" | 5 #include "ui/views/rect_based_targeting_utils.h" |
6 | 6 |
7 #include "ui/gfx/point.h" | 7 #include "ui/gfx/geometry/point.h" |
8 #include "ui/gfx/rect.h" | 8 #include "ui/gfx/rect.h" |
9 | 9 |
10 namespace views { | 10 namespace views { |
11 | 11 |
12 bool UsePointBasedTargeting(const gfx::Rect& rect) { | 12 bool UsePointBasedTargeting(const gfx::Rect& rect) { |
13 return rect.width() == 1 && rect.height() == 1; | 13 return rect.width() == 1 && rect.height() == 1; |
14 } | 14 } |
15 | 15 |
16 float PercentCoveredBy(const gfx::Rect& rect_1, const gfx::Rect& rect_2) { | 16 float PercentCoveredBy(const gfx::Rect& rect_1, const gfx::Rect& rect_2) { |
17 gfx::Rect intersection(rect_1); | 17 gfx::Rect intersection(rect_1); |
18 intersection.Intersect(rect_2); | 18 intersection.Intersect(rect_2); |
19 int intersect_area = intersection.size().GetArea(); | 19 int intersect_area = intersection.size().GetArea(); |
20 int rect_1_area = rect_1.size().GetArea(); | 20 int rect_1_area = rect_1.size().GetArea(); |
21 return rect_1_area ? | 21 return rect_1_area ? |
22 static_cast<float>(intersect_area) / static_cast<float>(rect_1_area) : 0; | 22 static_cast<float>(intersect_area) / static_cast<float>(rect_1_area) : 0; |
23 } | 23 } |
24 | 24 |
25 int DistanceSquaredFromCenterToPoint(const gfx::Point& point, | 25 int DistanceSquaredFromCenterToPoint(const gfx::Point& point, |
26 const gfx::Rect& rect) { | 26 const gfx::Rect& rect) { |
27 gfx::Point center_point = rect.CenterPoint(); | 27 gfx::Point center_point = rect.CenterPoint(); |
28 int dx = center_point.x() - point.x(); | 28 int dx = center_point.x() - point.x(); |
29 int dy = center_point.y() - point.y(); | 29 int dy = center_point.y() - point.y(); |
30 return (dx * dx) + (dy * dy); | 30 return (dx * dx) + (dy * dy); |
31 } | 31 } |
32 | 32 |
33 } // namespace views | 33 } // namespace views |
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