|  | // Copyright 2014 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 UI_GFX_OVERLAY_TRANSFORM_H_ | 
|  | #define UI_GFX_OVERLAY_TRANSFORM_H_ | 
|  |  | 
|  | namespace gfx { | 
|  |  | 
|  | // Describes transformation to be applied to the buffer before presenting | 
|  | // to screen. | 
|  | enum OverlayTransform { | 
|  | OVERLAY_TRANSFORM_INVALID, | 
|  | OVERLAY_TRANSFORM_NONE, | 
|  | OVERLAY_TRANSFORM_FLIP_HORIZONTAL, | 
|  | OVERLAY_TRANSFORM_FLIP_VERTICAL, | 
|  | OVERLAY_TRANSFORM_ROTATE_90, | 
|  | OVERLAY_TRANSFORM_ROTATE_180, | 
|  | OVERLAY_TRANSFORM_ROTATE_270, | 
|  | }; | 
|  |  | 
|  | }  // namespace gfx | 
|  |  | 
|  | #endif  // UI_GFX_OVERLAY_TRANSFORM_H_ |