ui/gfx/favicon_size.cc

   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
   7 namespace gfx {
   8
   9 const int kFaviconSize = 16;
  10
  11 void 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