1 files changed, 34 insertions, 0 deletions
diff --git a/ui/gfx/range/range.cc b/ui/gfx/range/range.cc
new file mode 100644
index 0000000000..fa837d0070
--- /dev/null
+++ b/ui/gfx/range/range.cc
@@ -0,0 +1,34 @@
+// 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