gecko-dev/widget/WidgetUtils.h

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/* -*- 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 "nsRect.h"
#include "mozilla/gfx/Matrix.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
};
gfx::Matrix ComputeTransformForRotation(const nsIntRect& aBounds,
ScreenRotation aRotation);
} // namespace mozilla
#endif // mozilla_WidgetUtils_h