ui/gfx/range/range.cc

// Copyright (c) 2012 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.h"

#include <inttypes.h>

#include <algorithm>

#include "base/logging.h"
#include "base/strings/stringprintf.h"

namespace gfx {

Range Range::Intersect(const Range& range) const {
  uint32_t min = std::max(GetMin(), range.GetMin());
  uint32_t max = std::min(GetMax(), range.GetMax());

  if (min >= max)  // No intersection.
    return InvalidRange();

  return Range(min, max);
}

std::string Range::ToString() const {
  return base::StringPrintf("{%" PRIu32 ",%" PRIu32 "}", start(), end());
}

std::ostream& operator<<(std::ostream& os, const Range& range) {
  return os << range.ToString();
}

}  // namespace gfx