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| 1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef UI_GFX_FAVICON_SIZE_H_ | 5 #ifndef UI_GFX_FAVICON_SIZE_H_ |
| 6 #define UI_GFX_FAVICON_SIZE_H_ | 6 #define UI_GFX_FAVICON_SIZE_H_ |
| 7 #pragma once | 7 #pragma once |
| 8 | 8 |
| 9 #include "base/compiler_specific.h" | 9 #include "base/compiler_specific.h" |
| 10 | 10 |
| 11 // Size (along each axis) of the favicon. | 11 // Size (along each axis) of the favicon. |
| 12 const int kFavIconSize = 16; | 12 const int kFaviconSize = 16; |
| 13 | 13 |
| 14 // If the width or height is bigger than the favicon size, a new width/height | 14 // If the width or height is bigger than the favicon size, a new width/height |
| 15 // is calculated and returned in width/height that maintains the aspect | 15 // is calculated and returned in width/height that maintains the aspect |
| 16 // ratio of the supplied values. | 16 // ratio of the supplied values. |
| 17 static void calc_favicon_target_size(int* width, int* height) ALLOW_UNUSED; | 17 static void calc_favicon_target_size(int* width, int* height) ALLOW_UNUSED; |
| 18 | 18 |
| 19 // static | 19 // static |
| 20 void calc_favicon_target_size(int* width, int* height) { | 20 void calc_favicon_target_size(int* width, int* height) { |
| 21 if (*width > kFavIconSize || *height > kFavIconSize) { | 21 if (*width > kFaviconSize || *height > kFaviconSize) { |
| 22 // Too big, resize it maintaining the aspect ratio. | 22 // Too big, resize it maintaining the aspect ratio. |
| 23 float aspect_ratio = static_cast<float>(*width) / | 23 float aspect_ratio = static_cast<float>(*width) / |
| 24 static_cast<float>(*height); | 24 static_cast<float>(*height); |
| 25 *height = kFavIconSize; | 25 *height = kFaviconSize; |
| 26 *width = static_cast<int>(aspect_ratio * *height); | 26 *width = static_cast<int>(aspect_ratio * *height); |
| 27 if (*width > kFavIconSize) { | 27 if (*width > kFaviconSize) { |
| 28 *width = kFavIconSize; | 28 *width = kFaviconSize; |
| 29 *height = static_cast<int>(*width / aspect_ratio); | 29 *height = static_cast<int>(*width / aspect_ratio); |
| 30 } | 30 } |
| 31 } | 31 } |
| 32 } | 32 } |
| 33 | 33 |
| 34 #endif // UI_GFX_FAVICON_SIZE_H_ | 34 #endif // UI_GFX_FAVICON_SIZE_H_ |
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