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| 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 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/win_util.h" | 5 #include "gfx/win_util.h" |
| 6 | 6 |
| 7 #include <windows.h> | 7 #include <windows.h> |
| 8 | 8 |
| 9 #include "base/win_util.h" | 9 #include "base/win/windows_version.h" |
| 10 | 10 |
| 11 namespace { | 11 namespace { |
| 12 | 12 |
| 13 bool DynamicLibraryPresent(const wchar_t* lib_name) { | 13 bool DynamicLibraryPresent(const wchar_t* lib_name) { |
| 14 HINSTANCE lib = LoadLibrary(lib_name); | 14 HINSTANCE lib = LoadLibrary(lib_name); |
| 15 if (lib) { | 15 if (lib) { |
| 16 FreeLibrary(lib); | 16 FreeLibrary(lib); |
| 17 return true; | 17 return true; |
| 18 } | 18 } |
| 19 return false; | 19 return false; |
| 20 } | 20 } |
| 21 | 21 |
| 22 } // namespace | 22 } // namespace |
| 23 | 23 |
| 24 namespace gfx { | 24 namespace gfx { |
| 25 | 25 |
| 26 // Returns true if Direct2d is available, false otherwise. | 26 // Returns true if Direct2d is available, false otherwise. |
| 27 bool Direct2dIsAvailable() { | 27 bool Direct2dIsAvailable() { |
| 28 static bool checked = false; | 28 static bool checked = false; |
| 29 static bool available = false; | 29 static bool available = false; |
| 30 | 30 |
| 31 if (!checked) { | 31 if (!checked) { |
| 32 win_util::WinVersion version = win_util::GetWinVersion(); | 32 base::win::Version version = base::win::GetVersion(); |
| 33 if (version < win_util::WINVERSION_VISTA) | 33 if (version < base::win::VERSION_VISTA) |
| 34 available = false; | 34 available = false; |
| 35 else if (version >= win_util::WINVERSION_WIN7) | 35 else if (version >= base::win::VERSION_WIN7) |
| 36 available = true; | 36 available = true; |
| 37 else | 37 else |
| 38 available = DynamicLibraryPresent(L"d2d1.dll"); | 38 available = DynamicLibraryPresent(L"d2d1.dll"); |
| 39 checked = true; | 39 checked = true; |
| 40 } | 40 } |
| 41 return available; | 41 return available; |
| 42 } | 42 } |
| 43 | 43 |
| 44 // Returns true if DirectWrite is available, false otherwise. | 44 // Returns true if DirectWrite is available, false otherwise. |
| 45 bool DirectWriteIsAvailable() { | 45 bool DirectWriteIsAvailable() { |
| 46 static bool checked = false; | 46 static bool checked = false; |
| 47 static bool available = false; | 47 static bool available = false; |
| 48 | 48 |
| 49 if (!checked) { | 49 if (!checked) { |
| 50 win_util::WinVersion version = win_util::GetWinVersion(); | 50 base::win::Version version = base::win::GetVersion(); |
| 51 if (version < win_util::WINVERSION_VISTA) | 51 if (version < base::win::VERSION_VISTA) |
| 52 available = false; | 52 available = false; |
| 53 else if (version >= win_util::WINVERSION_WIN7) | 53 else if (version >= base::win::VERSION_WIN7) |
| 54 available = true; | 54 available = true; |
| 55 else | 55 else |
| 56 available = DynamicLibraryPresent(L"dwrite.dll"); | 56 available = DynamicLibraryPresent(L"dwrite.dll"); |
| 57 checked = true; | 57 checked = true; |
| 58 } | 58 } |
| 59 return available; | 59 return available; |
| 60 } | 60 } |
| 61 | 61 |
| 62 } // namespace gfx | 62 } // namespace gfx |
| 63 | 63 |
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