1 files changed, 33 insertions, 0 deletions
diff --git a/gfx/2d/HelpersWinFonts.h b/gfx/2d/HelpersWinFonts.h
new file mode 100644
index 0000000000..9bfa69c9b7
--- /dev/null
+++ b/gfx/2d/HelpersWinFonts.h
@@ -0,0 +1,33 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+namespace mozilla {
+namespace gfx {
+
+extern BYTE sSystemTextQuality;
+
+static BYTE GetSystemTextQuality() { return sSystemTextQuality; }
+
+static AntialiasMode GetSystemDefaultAAMode() {
+  AntialiasMode defaultMode = AntialiasMode::SUBPIXEL;
+
+  switch (GetSystemTextQuality()) {
+    case CLEARTYPE_QUALITY:
+      defaultMode = AntialiasMode::SUBPIXEL;
+      break;
+    case ANTIALIASED_QUALITY:
+      defaultMode = AntialiasMode::GRAY;
+      break;
+    case DEFAULT_QUALITY:
+      defaultMode = AntialiasMode::NONE;
+      break;
+  }
+
+  return defaultMode;
+}
+
+}  // namespace gfx
+}  // namespace mozilla