| // Copyright 2015 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. |
| |
| #include "ui/gfx/range/range_f.h" |
| |
| #include <stddef.h> |
| |
| #include <algorithm> |
| #include <cmath> |
| |
| #include "base/format_macros.h" |
| #include "base/strings/stringprintf.h" |
| |
| namespace gfx { |
| |
| RangeF RangeF::Intersect(const RangeF& range) const { |
| float min = std::max(GetMin(), range.GetMin()); |
| float max = std::min(GetMax(), range.GetMax()); |
| |
| if (min >= max) // No intersection. |
| return InvalidRange(); |
| |
| return RangeF(min, max); |
| } |
| |
| RangeF RangeF::Intersect(const Range& range) const { |
| RangeF range_f(range.start(), range.end()); |
| return Intersect(range_f); |
| } |
| |
| Range RangeF::Floor() const { |
| uint32_t start = start_ > 0 ? static_cast<uint32_t>(std::floor(start_)) : 0; |
| uint32_t end = end_ > 0 ? static_cast<uint32_t>(std::floor(end_)) : 0; |
| return Range(start, end); |
| } |
| |
| Range RangeF::Ceil() const { |
| uint32_t start = start_ > 0 ? static_cast<uint32_t>(std::ceil(start_)) : 0; |
| uint32_t end = end_ > 0 ? static_cast<uint32_t>(std::ceil(end_)) : 0; |
| return Range(start, end); |
| } |
| |
| Range RangeF::Round() const { |
| uint32_t start = start_ > 0 ? static_cast<uint32_t>(std::round(start_)) : 0; |
| uint32_t end = end_ > 0 ? static_cast<uint32_t>(std::round(end_)) : 0; |
| return Range(start, end); |
| } |
| |
| std::string RangeF::ToString() const { |
| return base::StringPrintf("{%f,%f}", start(), end()); |
| } |
| |
| std::ostream& operator<<(std::ostream& os, const RangeF& range) { |
| return os << range.ToString(); |
| } |
| |
| } // namespace gfx |