1// Copyright (c) 2011 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/favicon_size.h"
6
7namespace gfx {
8
9const int kFaviconSize = 16;
10
11void CalculateFaviconTargetSize(int* width, int* height) {
12  if (*width > kFaviconSize || *height > kFaviconSize) {
13    // Too big, resize it maintaining the aspect ratio.
14    float aspect_ratio = static_cast<float>(*width) /
15                         static_cast<float>(*height);
16    *height = kFaviconSize;
17    *width = static_cast<int>(aspect_ratio * *height);
18    if (*width > kFaviconSize) {
19      *width = kFaviconSize;
20      *height = static_cast<int>(*width / aspect_ratio);
21    }
22  }
23}
24
25}  // namespace gfx
26