michael@0: /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0:  * vim: sw=2 ts=8 et :
michael@0:  */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0:  * You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef mozilla_WidgetUtils_h
michael@0: #define mozilla_WidgetUtils_h
michael@0: 
michael@0: #include "nsRect.h"
michael@0: #include "mozilla/gfx/Matrix.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: 
michael@0: // NB: these must match up with pseudo-enum in nsIScreen.idl.
michael@0: enum ScreenRotation {
michael@0:   ROTATION_0 = 0,
michael@0:   ROTATION_90,
michael@0:   ROTATION_180,
michael@0:   ROTATION_270,
michael@0: 
michael@0:   ROTATION_COUNT
michael@0: };
michael@0: 
michael@0: gfx::Matrix ComputeTransformForRotation(const nsIntRect& aBounds,
michael@0:                                         ScreenRotation aRotation);
michael@0: 
michael@0: } // namespace mozilla
michael@0: 
michael@0: #endif // mozilla_WidgetUtils_h