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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "gfx/win_util.h" | |
| 6 | |
| 7 #include <windows.h> | |
| 8 | |
| 9 #include "base/win/windows_version.h" | |
| 10 | |
| 11 namespace { | |
| 12 | |
| 13 bool DynamicLibraryPresent(const wchar_t* lib_name) { | |
| 14 HINSTANCE lib = LoadLibrary(lib_name); | |
| 15 if (lib) { | |
| 16 FreeLibrary(lib); | |
| 17 return true; | |
| 18 } | |
| 19 return false; | |
| 20 } | |
| 21 | |
| 22 } // namespace | |
| 23 | |
| 24 namespace gfx { | |
| 25 | |
| 26 // Returns true if Direct2d is available, false otherwise. | |
| 27 bool Direct2dIsAvailable() { | |
| 28 static bool checked = false; | |
| 29 static bool available = false; | |
| 30 | |
| 31 if (!checked) { | |
| 32 base::win::Version version = base::win::GetVersion(); | |
| 33 if (version < base::win::VERSION_VISTA) | |
| 34 available = false; | |
| 35 else if (version >= base::win::VERSION_WIN7) | |
| 36 available = true; | |
| 37 else | |
| 38 available = DynamicLibraryPresent(L"d2d1.dll"); | |
| 39 checked = true; | |
| 40 } | |
| 41 return available; | |
| 42 } | |
| 43 | |
| 44 // Returns true if DirectWrite is available, false otherwise. | |
| 45 bool DirectWriteIsAvailable() { | |
| 46 static bool checked = false; | |
| 47 static bool available = false; | |
| 48 | |
| 49 if (!checked) { | |
| 50 base::win::Version version = base::win::GetVersion(); | |
| 51 if (version < base::win::VERSION_VISTA) | |
| 52 available = false; | |
| 53 else if (version >= base::win::VERSION_WIN7) | |
| 54 available = true; | |
| 55 else | |
| 56 available = DynamicLibraryPresent(L"dwrite.dll"); | |
| 57 checked = true; | |
| 58 } | |
| 59 return available; | |
| 60 } | |
| 61 | |
| 62 } // namespace gfx | |
| 63 | |
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Chromium Code Reviews
Issue 6246027:
Move src/gfx/ to src/ui/gfx... (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src/