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 10namespace gfx { 11class Point; 12class Rect; 13} 14 15namespace views { 16 17// Returns true if |rect| is 1x1. 18VIEWS_EXPORT bool UsePointBasedTargeting(const gfx::Rect& rect); 19 20// Returns the percentage of |rect_1|'s area that is covered by |rect_2|. 21VIEWS_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|. 25VIEWS_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