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Side by Side Diff: chrome/common/gfx/icon_util.cc

Issue 13080: Move convolver and image_operations from base/gfx to skia/ext. This is just... (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: '' Created 12 years ago
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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 #include "chrome/common/gfx/icon_util.h" 5 #include "chrome/common/gfx/icon_util.h"
6 #include "base/file_util.h" 6 #include "base/file_util.h"
7 #include "base/gfx/image_operations.h"
8 #include "base/gfx/size.h" 7 #include "base/gfx/size.h"
9 #include "base/logging.h" 8 #include "base/logging.h"
10 #include "chrome/common/win_util.h" 9 #include "chrome/common/win_util.h"
10 #include "skia/ext/image_operations.h"
11 #include "skia/include/SkBitmap.h" 11 #include "skia/include/SkBitmap.h"
12 12
13 // Defining the dimensions for the icon images. We store only one value because 13 // Defining the dimensions for the icon images. We store only one value because
14 // we always resize to a square image; that is, the value 48 means that we are 14 // we always resize to a square image; that is, the value 48 means that we are
15 // going to resize the given bitmap to a 48 by 48 pixels bitmap. 15 // going to resize the given bitmap to a 48 by 48 pixels bitmap.
16 // 16 //
17 // The icon images appear in the icon file in same order in which their 17 // The icon images appear in the icon file in same order in which their
18 // corresponding dimensions appear in the |icon_dimensions_| array, so it is 18 // corresponding dimensions appear in the |icon_dimensions_| array, so it is
19 // important to keep this array sorted. Also note that the maximum icon image 19 // important to keep this array sorted. Also note that the maximum icon image
20 // size we can handle is 255 by 255. 20 // size we can handle is 255 by 255.
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468 // number by the image height in order to get the total number of bytes for 468 // number by the image height in order to get the total number of bytes for
469 // the AND mask. Thus, for a 15X15 image, we need 15 * 4 which is 60 bytes 469 // the AND mask. Thus, for a 15X15 image, we need 15 * 4 which is 60 bytes
470 // for the monochrome bitmap representing the AND mask. 470 // for the monochrome bitmap representing the AND mask.
471 int and_line_length = (bitmap.width() + 7) >> 3; 471 int and_line_length = (bitmap.width() + 7) >> 3;
472 and_line_length = (and_line_length + 3) & ~3; 472 and_line_length = (and_line_length + 3) & ~3;
473 *and_mask_size = and_line_length * bitmap.height(); 473 *and_mask_size = and_line_length * bitmap.height();
474 int masks_size = *xor_mask_size + *and_mask_size; 474 int masks_size = *xor_mask_size + *and_mask_size;
475 *bytes_in_resource = masks_size + sizeof(BITMAPINFOHEADER); 475 *bytes_in_resource = masks_size + sizeof(BITMAPINFOHEADER);
476 } 476 }
477 477
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