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 17 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 27 RangeF RangeF::Intersect(const Range& range) const { 28 RangeF range_f(range.start(), range.end()); 29 return Intersect(range_f); 30 } 31 32 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 38 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 44 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 50 std::string RangeF::ToString() const { 51 return base::StringPrintf("{%f,%f}", start(), end()); 52 } 53 54 std::ostream& operator<<(std::ostream& os, const RangeF& range) { 55 return os << range.ToString(); 56 } 57 58 } // namespace gfx 59
