| // Copyright 2013 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 UI_VIEWS_RECT_BASED_TARGETING_UTILS_H_ |
| #define UI_VIEWS_RECT_BASED_TARGETING_UTILS_H_ |
| |
| #include "ui/views/views_export.h" |
| |
| namespace gfx { |
| class Point; |
| class Rect; |
| } |
| |
| namespace views { |
| |
| // Returns true if |rect| is 1x1. |
| VIEWS_EXPORT bool UsePointBasedTargeting(const gfx::Rect& rect); |
| |
| // Returns the percentage of |rect_1|'s area that is covered by |rect_2|. |
| VIEWS_EXPORT float PercentCoveredBy(const gfx::Rect& rect_1, |
| const gfx::Rect& rect_2); |
| |
| // Returns the square of the distance from |point| to the center of |rect|. |
| VIEWS_EXPORT int DistanceSquaredFromCenterToPoint(const gfx::Point& point, |
| const gfx::Rect& rect); |
| |
| } // namespace views |
| |
| #endif // UI_VIEWS_RECT_BASED_TARGETING_UTILS_H_ |