1 // Copyright (c) 2012 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 #include "ui/gfx/geometry/rect_conversions.h"
6
7 #include <algorithm>
8 #include <cmath>
9
10 #include "base/logging.h"
11 #include "ui/gfx/geometry/safe_integer_conversions.h"
12
13 namespace gfx {
14
ToEnclosingRect(const RectF & r)15 Rect ToEnclosingRect(const RectF& r) {
16 int left = ToFlooredInt(r.x());
17 int right = r.width() ? ToCeiledInt(r.right()) : left;
18 int top = ToFlooredInt(r.y());
19 int bottom = r.height() ? ToCeiledInt(r.bottom()) : top;
20
21 Rect result;
22 result.SetByBounds(left, top, right, bottom);
23 return result;
24 }
25
ToEnclosedRect(const RectF & rect)26 Rect ToEnclosedRect(const RectF& rect) {
27 Rect result;
28 result.SetByBounds(ToCeiledInt(rect.x()), ToCeiledInt(rect.y()),
29 ToFlooredInt(rect.right()), ToFlooredInt(rect.bottom()));
30 return result;
31 }
32
ToNearestRect(const RectF & rect)33 Rect ToNearestRect(const RectF& rect) {
34 float float_min_x = rect.x();
35 float float_min_y = rect.y();
36 float float_max_x = rect.right();
37 float float_max_y = rect.bottom();
38
39 int min_x = ToRoundedInt(float_min_x);
40 int min_y = ToRoundedInt(float_min_y);
41 int max_x = ToRoundedInt(float_max_x);
42 int max_y = ToRoundedInt(float_max_y);
43
44 // If these DCHECKs fail, you're using the wrong method, consider using
45 // ToEnclosingRect or ToEnclosedRect instead.
46 DCHECK(std::abs(min_x - float_min_x) < 0.01f);
47 DCHECK(std::abs(min_y - float_min_y) < 0.01f);
48 DCHECK(std::abs(max_x - float_max_x) < 0.01f);
49 DCHECK(std::abs(max_y - float_max_y) < 0.01f);
50
51 Rect result;
52 result.SetByBounds(min_x, min_y, max_x, max_y);
53
54 return result;
55 }
56
IsNearestRectWithinDistance(const gfx::RectF & rect,float distance)57 bool IsNearestRectWithinDistance(const gfx::RectF& rect, float distance) {
58 float float_min_x = rect.x();
59 float float_min_y = rect.y();
60 float float_max_x = rect.right();
61 float float_max_y = rect.bottom();
62
63 int min_x = ToRoundedInt(float_min_x);
64 int min_y = ToRoundedInt(float_min_y);
65 int max_x = ToRoundedInt(float_max_x);
66 int max_y = ToRoundedInt(float_max_y);
67
68 return
69 (std::abs(min_x - float_min_x) < distance) &&
70 (std::abs(min_y - float_min_y) < distance) &&
71 (std::abs(max_x - float_max_x) < distance) &&
72 (std::abs(max_y - float_max_y) < distance);
73 }
74
ToFlooredRectDeprecated(const RectF & rect)75 Rect ToFlooredRectDeprecated(const RectF& rect) {
76 return Rect(ToFlooredInt(rect.x()),
77 ToFlooredInt(rect.y()),
78 ToFlooredInt(rect.width()),
79 ToFlooredInt(rect.height()));
80 }
81
82 } // namespace gfx
83