widget/WidgetUtils.h
author Chris Jones <jones.chris.g@gmail.com>
Tue, 24 Jul 2012 12:01:09 -0700
changeset 100323 97040ffd8e31765ca1ffc6f8c8e3ec12709123a5
child 128274 ee5ca214e87c483e65e45dbf4c3e2d323c976003
permissions -rw-r--r--
Bug 776217: Support gecko-implemented screen rotation with omtc. r=roc

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 * vim: sw=2 ts=8 et :
 */
/* 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/. */

#ifndef mozilla_WidgetUtils_h
#define mozilla_WidgetUtils_h

#include "gfxMatrix.h"

namespace mozilla {

// NB: these must match up with pseudo-enum in nsIScreen.idl.
enum ScreenRotation {
  ROTATION_0 = 0,
  ROTATION_90,
  ROTATION_180,
  ROTATION_270,

  ROTATION_COUNT
};

gfxMatrix ComputeGLTransformForRotation(const nsIntRect& aBounds,
                                        ScreenRotation aRotation);

} // namespace mozilla

#endif // mozilla_WidgetUtils_h