ui/gfx/overlay_transform.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef UI_GFX_OVERLAY_TRANSFORM_H_
   6 #define UI_GFX_OVERLAY_TRANSFORM_H_
   7
   8 namespace gfx {
   9
  10 // Describes transformation to be applied to the buffer before presenting
  11 // to screen.  Rotations are expressed anticlockwise.
  12 enum OverlayTransform {
  13   OVERLAY_TRANSFORM_INVALID,
  14   OVERLAY_TRANSFORM_NONE,
  15   OVERLAY_TRANSFORM_FLIP_HORIZONTAL,
  16   OVERLAY_TRANSFORM_FLIP_VERTICAL,
  17   OVERLAY_TRANSFORM_ROTATE_90,
  18   OVERLAY_TRANSFORM_ROTATE_180,
  19   OVERLAY_TRANSFORM_ROTATE_270,
  20   OVERLAY_TRANSFORM_LAST = OVERLAY_TRANSFORM_ROTATE_270
  21 };
  22
  23 }  // namespace gfx
  24
  25 #endif  // UI_GFX_OVERLAY_TRANSFORM_H_