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