summaryrefslogtreecommitdiffstats
path: root/ui/views/rect_based_targeting_utils.h
blob: 94da5a5069cfa244702a8a0fb836723301ed9fcd (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
// 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_RECT_BASED_TARGETING_UTILS_H_
#define UI_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_RECT_BASED_TARGETING_UTILS_H_