1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
// Copyright 2011 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/common/font_list.h"
#include <windows.h>
#include <dwrite.h>
#include <wrl/client.h>
#include <string>
#include "base/i18n/rtl.h"
#include "base/strings/utf_string_conversions.h"
#include "base/trace_event/trace_event.h"
#include "base/values.h"
#include "ui/gfx/win/direct_write.h"
namespace content {
base::Value::List GetFontList_SlowBlocking() {
TRACE_EVENT0("fonts", "GetFontList_SlowBlocking");
base::Value::List font_list;
Microsoft::WRL::ComPtr<IDWriteFactory> factory;
gfx::win::CreateDWriteFactory(&factory);
if (!factory)
return font_list;
Microsoft::WRL::ComPtr<IDWriteFontCollection> collection;
if (FAILED(factory->GetSystemFontCollection(&collection)))
return font_list;
// Retrieve the localized font family name. If there is no localized name,
// used the native name instead.
std::string locale = base::i18n::GetConfiguredLocale();
const UINT32 family_count = collection->GetFontFamilyCount();
for (UINT32 family_index = 0; family_index < family_count; ++family_index) {
Microsoft::WRL::ComPtr<IDWriteFontFamily> font_family;
Microsoft::WRL::ComPtr<IDWriteLocalizedStrings> family_names;
if (FAILED(collection->GetFontFamily(family_index, &font_family)) ||
FAILED(font_family->GetFamilyNames(&family_names))) {
continue;
}
// Retrieve the native font family name. Try the "en-us" locale and if it's
// not present, used the first available localized name.
std::optional<std::string> native_name =
gfx::win::RetrieveLocalizedString(family_names.Get(), "en-us");
if (!native_name) {
native_name = gfx::win::RetrieveLocalizedString(family_names.Get(), "");
if (!native_name)
continue;
}
std::optional<std::string> localized_name =
gfx::win::RetrieveLocalizedString(family_names.Get(), locale);
if (!localized_name)
localized_name = native_name;
base::Value::List font_item;
font_item.Append(native_name.value());
font_item.Append(localized_name.value());
font_list.Append(std::move(font_item));
}
std::sort(font_list.begin(), font_list.end());
return font_list;
}
} // namespace content
|
