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Side by Side Diff: gfx/icon_util.cc

Issue 6126002: Remove base/scoped_handle_win.h stub and fix up all callers to use the new location and namespace. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: review Created 9 years, 11 months ago
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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. 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 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 "gfx/icon_util.h" 5 #include "gfx/icon_util.h"
6 6
7 #include "base/file_util.h" 7 #include "base/file_util.h"
8 #include "base/logging.h" 8 #include "base/logging.h"
9 #include "base/scoped_handle.h"
10 #include "base/scoped_ptr.h" 9 #include "base/scoped_ptr.h"
10 #include "base/win/scoped_handle.h"
11 #include "gfx/size.h" 11 #include "gfx/size.h"
12 #include "skia/ext/image_operations.h" 12 #include "skia/ext/image_operations.h"
13 #include "third_party/skia/include/core/SkBitmap.h" 13 #include "third_party/skia/include/core/SkBitmap.h"
14 14
15 // Defining the dimensions for the icon images. We store only one value because 15 // Defining the dimensions for the icon images. We store only one value because
16 // we always resize to a square image; that is, the value 48 means that we are 16 // we always resize to a square image; that is, the value 48 means that we are
17 // going to resize the given bitmap to a 48 by 48 pixels bitmap. 17 // going to resize the given bitmap to a 48 by 48 pixels bitmap.
18 // 18 //
19 // The icon images appear in the icon file in same order in which their 19 // The icon images appear in the icon file in same order in which their
20 // corresponding dimensions appear in the |icon_dimensions_| array, so it is 20 // corresponding dimensions appear in the |icon_dimensions_| array, so it is
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190 const FilePath& icon_path) { 190 const FilePath& icon_path) {
191 // Only 32 bit ARGB bitmaps are supported. We also make sure the bitmap has 191 // Only 32 bit ARGB bitmaps are supported. We also make sure the bitmap has
192 // been properly initialized. 192 // been properly initialized.
193 SkAutoLockPixels bitmap_lock(bitmap); 193 SkAutoLockPixels bitmap_lock(bitmap);
194 if ((bitmap.getConfig() != SkBitmap::kARGB_8888_Config) || 194 if ((bitmap.getConfig() != SkBitmap::kARGB_8888_Config) ||
195 (bitmap.height() <= 0) || (bitmap.width() <= 0) || 195 (bitmap.height() <= 0) || (bitmap.width() <= 0) ||
196 (bitmap.getPixels() == NULL)) 196 (bitmap.getPixels() == NULL))
197 return false; 197 return false;
198 198
199 // We start by creating the file. 199 // We start by creating the file.
200 ScopedHandle icon_file(::CreateFile(icon_path.value().c_str(), 200 base::win::ScopedHandle icon_file(::CreateFile(icon_path.value().c_str(),
201 GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL)); 201 GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL));
202 202
203 if (icon_file.Get() == INVALID_HANDLE_VALUE) 203 if (icon_file.Get() == INVALID_HANDLE_VALUE)
204 return false; 204 return false;
205 205
206 // Creating a set of bitmaps corresponding to the icon images we'll end up 206 // Creating a set of bitmaps corresponding to the icon images we'll end up
207 // storing in the icon file. Each bitmap is created by resizing the given 207 // storing in the icon file. Each bitmap is created by resizing the given
208 // bitmap to the desired size. 208 // bitmap to the desired size.
209 std::vector<SkBitmap> bitmaps; 209 std::vector<SkBitmap> bitmaps;
210 CreateResizedBitmapSet(bitmap, &bitmaps); 210 CreateResizedBitmapSet(bitmap, &bitmaps);
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448 // Once we compute the size for a singe AND mask scan line, we multiply that 448 // Once we compute the size for a singe AND mask scan line, we multiply that
449 // number by the image height in order to get the total number of bytes for 449 // number by the image height in order to get the total number of bytes for
450 // the AND mask. Thus, for a 15X15 image, we need 15 * 4 which is 60 bytes 450 // the AND mask. Thus, for a 15X15 image, we need 15 * 4 which is 60 bytes
451 // for the monochrome bitmap representing the AND mask. 451 // for the monochrome bitmap representing the AND mask.
452 size_t and_line_length = (bitmap.width() + 7) >> 3; 452 size_t and_line_length = (bitmap.width() + 7) >> 3;
453 and_line_length = (and_line_length + 3) & ~3; 453 and_line_length = (and_line_length + 3) & ~3;
454 size_t and_mask_size = and_line_length * bitmap.height(); 454 size_t and_mask_size = and_line_length * bitmap.height();
455 size_t masks_size = *xor_mask_size + and_mask_size; 455 size_t masks_size = *xor_mask_size + and_mask_size;
456 *bytes_in_resource = masks_size + sizeof(BITMAPINFOHEADER); 456 *bytes_in_resource = masks_size + sizeof(BITMAPINFOHEADER);
457 } 457 }
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