| // Copyright 2018 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "third_party/blink/public/common/dwrite_rasterizer_support/dwrite_rasterizer_support.h" |
| #include "base/check_op.h" |
| #include "base/win/windows_version.h" |
| #include "ui/gfx/win/direct_write.h" |
| |
| #include <dwrite.h> |
| #include <dwrite_2.h> |
| #include <wrl.h> |
| |
| namespace blink { |
| |
| bool DWriteRasterizerSupport::IsDWriteFactory2Available() { |
| Microsoft::WRL::ComPtr<IDWriteFactory> factory; |
| gfx::win::CreateDWriteFactory(&factory); |
| Microsoft::WRL::ComPtr<IDWriteFactory2> factory2; |
| factory.As<IDWriteFactory2>(&factory2); |
| if (!factory2.Get()) { |
| // If we were unable to get a IDWriteFactory2, check that we are actually on |
| // a Windows version where we allow it. Windows 8.1 and up should have the |
| // IDWritefactory2 available. |
| CHECK_LT(base::win::GetVersion(), base::win::Version::WIN8_1); |
| } |
| return factory2.Get(); |
| } |
| |
| } // namespace blink |
