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// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef CHROME_COMMON_GFX_FAVICON_SIZE_H__
#define CHROME_COMMON_GFX_FAVICON_SIZE_H__
// Size (along each axis) of the favicon.
const int kFavIconSize = 16;
// If the width or height is bigger than the favicon size, a new width/height
// is calculated and returned in width/height that maintains the aspect
// ratio of the supplied values.
static void calc_favicon_target_size(int* width, int* height) {
if (*width > kFavIconSize || *height > kFavIconSize) {
// Too big, resize it maintaining the aspect ratio.
float aspect_ratio = static_cast<float>(*width) /
static_cast<float>(*height);
*height = kFavIconSize;
*width = static_cast<int>(aspect_ratio * *height);
if (*width > kFavIconSize) {
*width = kFavIconSize;
*height = static_cast<int>(*width / aspect_ratio);
}
}
}
#endif // CHROME_COMMON_GFX_FAVICON_SIZE_H__
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