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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 "content/common/mac/font_loader.h" | 5 #include "content/common/mac/font_loader.h" |
6 | 6 |
7 #import <Cocoa/Cocoa.h> | 7 #import <Cocoa/Cocoa.h> |
8 | 8 |
9 #include "base/basictypes.h" | 9 #include "base/basictypes.h" |
10 #include "base/file_util.h" | 10 #include "base/file_util.h" |
11 #include "base/files/file_path.h" | 11 #include "base/files/file_path.h" |
12 #include "base/logging.h" | 12 #include "base/logging.h" |
13 #include "base/mac/foundation_util.h" | 13 #include "base/mac/foundation_util.h" |
14 #include "base/mac/mac_util.h" | 14 #include "base/mac/mac_util.h" |
15 #include "base/mac/scoped_cftyperef.h" | 15 #include "base/mac/scoped_cftyperef.h" |
16 #include "base/memory/scoped_nsobject.h" | 16 #include "base/mac/scoped_nsobject.h" |
17 #include "base/strings/sys_string_conversions.h" | 17 #include "base/strings/sys_string_conversions.h" |
18 #include "base/threading/thread_restrictions.h" | 18 #include "base/threading/thread_restrictions.h" |
19 #include "content/common/mac/font_descriptor.h" | 19 #include "content/common/mac/font_descriptor.h" |
20 | 20 |
21 #include <map> | 21 #include <map> |
22 | 22 |
23 extern "C" { | 23 extern "C" { |
24 | 24 |
25 // Work around http://crbug.com/93191, a really nasty memory smasher bug. | 25 // Work around http://crbug.com/93191, a really nasty memory smasher bug. |
26 // On Mac OS X 10.7 ("Lion"), ATS writes to memory it doesn't own. | 26 // On Mac OS X 10.7 ("Lion"), ATS writes to memory it doesn't own. |
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105 | 105 |
106 // NSFont -> File path. | 106 // NSFont -> File path. |
107 // Warning: Calling this function on a font activated from memory will result | 107 // Warning: Calling this function on a font activated from memory will result |
108 // in failure with a -50 - paramErr. This may occur if | 108 // in failure with a -50 - paramErr. This may occur if |
109 // CreateCGFontFromBuffer() is called in the same process as this function | 109 // CreateCGFontFromBuffer() is called in the same process as this function |
110 // e.g. when writing a unit test that exercises these two functions together. | 110 // e.g. when writing a unit test that exercises these two functions together. |
111 // If said unit test were to load a system font and activate it from memory | 111 // If said unit test were to load a system font and activate it from memory |
112 // it becomes impossible for the system to the find the original file ref | 112 // it becomes impossible for the system to the find the original file ref |
113 // since the font now lives in memory as far as it's concerned. | 113 // since the font now lives in memory as far as it's concerned. |
114 CTFontRef ct_font_to_encode = (CTFontRef)font_to_encode; | 114 CTFontRef ct_font_to_encode = (CTFontRef)font_to_encode; |
115 scoped_nsobject<NSURL> font_url( | 115 base::scoped_nsobject<NSURL> font_url( |
116 base::mac::CFToNSCast(base::mac::CFCastStrict<CFURLRef>( | 116 base::mac::CFToNSCast(base::mac::CFCastStrict<CFURLRef>( |
117 CTFontCopyAttribute(ct_font_to_encode, kCTFontURLAttribute)))); | 117 CTFontCopyAttribute(ct_font_to_encode, kCTFontURLAttribute)))); |
118 if (![font_url isFileURL]) { | 118 if (![font_url isFileURL]) { |
119 DLOG(ERROR) << "Failed to find font file for " << font_name; | 119 DLOG(ERROR) << "Failed to find font file for " << font_name; |
120 return; | 120 return; |
121 } | 121 } |
122 | 122 |
123 base::FilePath font_path = base::mac::NSStringToFilePath([font_url path]); | 123 base::FilePath font_path = base::mac::NSStringToFilePath([font_url path]); |
124 | 124 |
125 // Load file into shared memory buffer. | 125 // Load file into shared memory buffer. |
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173 if (!provider) | 173 if (!provider) |
174 return false; | 174 return false; |
175 | 175 |
176 *out = CGFontCreateWithDataProvider(provider.get()); | 176 *out = CGFontCreateWithDataProvider(provider.get()); |
177 | 177 |
178 if (*out == NULL) | 178 if (*out == NULL) |
179 return false; | 179 return false; |
180 | 180 |
181 return true; | 181 return true; |
182 } | 182 } |
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