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Issue 2106303002: Color: Rename gfx::ColorProfile to gfx::ColorSpace (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 5 months ago
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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
3 // found in the LICENSE file.
4
5 #include "ui/gfx/color_profile.h"
6
7 #include <windows.h>
8 #include <stddef.h>
9 #include <map>
10
11 #include "base/files/file_util.h"
12 #include "base/lazy_instance.h"
13 #include "base/macros.h"
14 #include "base/synchronization/lock.h"
15
16 namespace gfx {
17
18 namespace {
19
20 void ReadBestMonitorColorProfile(std::vector<char>* profile) {
21 HDC screen_dc = GetDC(NULL);
22 DWORD path_len = MAX_PATH;
23 WCHAR path[MAX_PATH + 1];
24
25 BOOL result = GetICMProfile(screen_dc, &path_len, path);
26 ReleaseDC(NULL, screen_dc);
27 if (!result)
28 return;
29 std::string profileData;
30 if (!base::ReadFileToString(base::FilePath(path), &profileData))
31 return;
32 size_t length = profileData.size();
33 if (!ColorProfile::IsValidProfileLength(length))
34 return;
35 profile->assign(profileData.data(), profileData.data() + length);
36 }
37
38 base::LazyInstance<base::Lock> g_best_color_profile_lock =
39 LAZY_INSTANCE_INITIALIZER;
40 base::LazyInstance<gfx::ColorProfile> g_best_color_profile =
41 LAZY_INSTANCE_INITIALIZER;
42 bool g_has_initialized_best_color_profile = false;
43
44 } // namespace
45
46 // static
47 ColorProfile ColorProfile::GetFromBestMonitor() {
48 base::AutoLock lock(g_best_color_profile_lock.Get());
49 return g_best_color_profile.Get();
50 }
51
52 // static
53 bool ColorProfile::CachedProfilesNeedUpdate() {
54 base::AutoLock lock(g_best_color_profile_lock.Get());
55 return !g_has_initialized_best_color_profile;
56 }
57
58 // static
59 void ColorProfile::UpdateCachedProfilesOnBackgroundThread() {
60 std::vector<char> profile;
61 ReadBestMonitorColorProfile(&profile);
62
63 base::AutoLock lock(g_best_color_profile_lock.Get());
64 g_best_color_profile.Get().profile_ = profile;
65 g_has_initialized_best_color_profile = true;
66 }
67
68 } // namespace gfx
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