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Issue 109433013: Move geometric types to a separate, more lightweight target. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: . Created 7 years ago
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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/rect_conversions.h"
6
7 #include <algorithm>
8 #include <cmath>
9
10 #include "base/logging.h"
11 #include "ui/gfx/safe_integer_conversions.h"
12
13 namespace gfx {
14
15 Rect ToEnclosingRect(const RectF& rect) {
16 int min_x = ToFlooredInt(rect.x());
17 int min_y = ToFlooredInt(rect.y());
18 float max_x = rect.right();
19 float max_y = rect.bottom();
20 int width = rect.width() == 0 ? 0 : std::max(ToCeiledInt(max_x) - min_x, 0);
21 int height = rect.height() == 0 ? 0 : std::max(ToCeiledInt(max_y) - min_y, 0);
22 return Rect(min_x, min_y, width, height);
23 }
24
25 Rect ToEnclosedRect(const RectF& rect) {
26 int min_x = ToCeiledInt(rect.x());
27 int min_y = ToCeiledInt(rect.y());
28 float max_x = rect.right();
29 float max_y = rect.bottom();
30 int width = std::max(ToFlooredInt(max_x) - min_x, 0);
31 int height = std::max(ToFlooredInt(max_y) - min_y, 0);
32 return Rect(min_x, min_y, width, height);
33 }
34
35 Rect ToNearestRect(const RectF& rect) {
36 float float_min_x = rect.x();
37 float float_min_y = rect.y();
38 float float_max_x = rect.right();
39 float float_max_y = rect.bottom();
40
41 int min_x = ToRoundedInt(float_min_x);
42 int min_y = ToRoundedInt(float_min_y);
43 int max_x = ToRoundedInt(float_max_x);
44 int max_y = ToRoundedInt(float_max_y);
45
46 // If these DCHECKs fail, you're using the wrong method, consider using
47 // ToEnclosingRect or ToEnclosedRect instead.
48 DCHECK(std::abs(min_x - float_min_x) < 0.01f);
49 DCHECK(std::abs(min_y - float_min_y) < 0.01f);
50 DCHECK(std::abs(max_x - float_max_x) < 0.01f);
51 DCHECK(std::abs(max_y - float_max_y) < 0.01f);
52
53 return Rect(min_x, min_y, max_x - min_x, max_y - min_y);
54 }
55
56 bool IsNearestRectWithinDistance(const gfx::RectF& rect, float distance) {
57 float float_min_x = rect.x();
58 float float_min_y = rect.y();
59 float float_max_x = rect.right();
60 float float_max_y = rect.bottom();
61
62 int min_x = ToRoundedInt(float_min_x);
63 int min_y = ToRoundedInt(float_min_y);
64 int max_x = ToRoundedInt(float_max_x);
65 int max_y = ToRoundedInt(float_max_y);
66
67 return
68 (std::abs(min_x - float_min_x) < distance) &&
69 (std::abs(min_y - float_min_y) < distance) &&
70 (std::abs(max_x - float_max_x) < distance) &&
71 (std::abs(max_y - float_max_y) < distance);
72 }
73
74 Rect ToFlooredRectDeprecated(const RectF& rect) {
75 return Rect(ToFlooredInt(rect.x()),
76 ToFlooredInt(rect.y()),
77 ToFlooredInt(rect.width()),
78 ToFlooredInt(rect.height()));
79 }
80
81 } // namespace gfx
82
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