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 3 // found in the LICENSE file. 4 5 #ifndef UI_RECT_BASED_TARGETING_UTILS_H_ 6 #define UI_RECT_BASED_TARGETING_UTILS_H_ 7 8 #include "ui/views/views_export.h" 9 10 namespace gfx { 11 class Point; 12 class Rect; 13 } 14 15 namespace views { 16 17 // Returns true if |rect| is 1x1. 18 VIEWS_EXPORT bool UsePointBasedTargeting(const gfx::Rect& rect); 19 20 // Returns the percentage of |rect_1|'s area that is covered by |rect_2|. 21 VIEWS_EXPORT float PercentCoveredBy(const gfx::Rect& rect_1, 22 const gfx::Rect& rect_2); 23 24 // Returns the square of the distance from |point| to the center of |rect|. 25 VIEWS_EXPORT int DistanceSquaredFromCenterToPoint(const gfx::Point& point, 26 const gfx::Rect& rect); 27 28 } // namespace views 29 30 #endif // UI_RECT_BASED_TARGETING_UTILS_H_ 31
