Index: ash/utility/transformer_util.h |
diff --git a/ash/utility/transformer_util.h b/ash/utility/transformer_util.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..d75c5faf719288897ac2836080cbd65d57c78f5d |
--- /dev/null |
+++ b/ash/utility/transformer_util.h |
@@ -0,0 +1,26 @@ |
+// Copyright 2017 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. |
+ |
+#ifndef ASH_TRANSFORMER_UTIL_H_ |
+#define ASH_TRANSFORMER_UTIL_H_ |
+ |
+#include "ash/ash_export.h" |
+#include "ui/display/display.h" |
+ |
+namespace gfx { |
+class Transform; |
+} |
+ |
+namespace ash { |
+ |
+// Creates rotation transform from |old_rotation| to |new_rotation| based on the |
+// |display| info. |
+ASH_EXPORT gfx::Transform CreateRotationTransform( |
+ display::Display::Rotation old_rotation, |
+ display::Display::Rotation new_rotation, |
+ const display::Display& display); |
+ |
+} // namespace ash |
+ |
+#endif // ASH_TRANSFORMER_UTIL_H_ |