// 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. #include "ash/utility/transformer_util.h" #include #include "ui/display/display_transform.h" #include "ui/gfx/geometry/size_f.h" #include "ui/gfx/geometry/transform.h" namespace ash { namespace { display::Display::Rotation RotationBetween( display::Display::Rotation old_rotation, display::Display::Rotation new_rotation) { return static_cast( display::Display::Rotation::ROTATE_0 + ((new_rotation - old_rotation) + 4) % 4); } } // namespace gfx::Transform CreateRotationTransform(display::Display::Rotation old_rotation, display::Display::Rotation new_rotation, const gfx::SizeF& size_to_rotate) { return display::CreateRotationTransform( RotationBetween(old_rotation, new_rotation), size_to_rotate); } } // namespace ash