1 // Copyright 2015 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/range/range_f.h"
6
7 #include <stddef.h>
8
9 #include <algorithm>
10 #include <cmath>
11
12 #include "base/format_macros.h"
13 #include "base/strings/stringprintf.h"
14
15 namespace gfx {
16
Intersect(const RangeF & range) const17 RangeF RangeF::Intersect(const RangeF& range) const {
18 float min = std::max(GetMin(), range.GetMin());
19 float max = std::min(GetMax(), range.GetMax());
20
21 if (min >= max) // No intersection.
22 return InvalidRange();
23
24 return RangeF(min, max);
25 }
26
Intersect(const Range & range) const27 RangeF RangeF::Intersect(const Range& range) const {
28 RangeF range_f(range.start(), range.end());
29 return Intersect(range_f);
30 }
31
Floor() const32 Range RangeF::Floor() const {
33 uint32_t start = start_ > 0 ? static_cast<uint32_t>(std::floor(start_)) : 0;
34 uint32_t end = end_ > 0 ? static_cast<uint32_t>(std::floor(end_)) : 0;
35 return Range(start, end);
36 }
37
Ceil() const38 Range RangeF::Ceil() const {
39 uint32_t start = start_ > 0 ? static_cast<uint32_t>(std::ceil(start_)) : 0;
40 uint32_t end = end_ > 0 ? static_cast<uint32_t>(std::ceil(end_)) : 0;
41 return Range(start, end);
42 }
43
Round() const44 Range RangeF::Round() const {
45 uint32_t start = start_ > 0 ? static_cast<uint32_t>(std::round(start_)) : 0;
46 uint32_t end = end_ > 0 ? static_cast<uint32_t>(std::round(end_)) : 0;
47 return Range(start, end);
48 }
49
ToString() const50 std::string RangeF::ToString() const {
51 return base::StringPrintf("{%f,%f}", start(), end());
52 }
53
operator <<(std::ostream & os,const RangeF & range)54 std::ostream& operator<<(std::ostream& os, const RangeF& range) {
55 return os << range.ToString();
56 }
57
58 } // namespace gfx
59