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1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- |
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2 * vim: sw=2 ts=8 et : |
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3 */ |
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4 /* This Source Code Form is subject to the terms of the Mozilla Public |
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5 * License, v. 2.0. If a copy of the MPL was not distributed with this file, |
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6 * You can obtain one at http://mozilla.org/MPL/2.0/. */ |
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7 |
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8 #ifndef mozilla_WidgetUtils_h |
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9 #define mozilla_WidgetUtils_h |
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10 |
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11 #include "nsRect.h" |
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12 #include "mozilla/gfx/Matrix.h" |
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13 |
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14 namespace mozilla { |
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15 |
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16 // NB: these must match up with pseudo-enum in nsIScreen.idl. |
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17 enum ScreenRotation { |
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18 ROTATION_0 = 0, |
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19 ROTATION_90, |
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20 ROTATION_180, |
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21 ROTATION_270, |
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22 |
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23 ROTATION_COUNT |
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24 }; |
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25 |
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26 gfx::Matrix ComputeTransformForRotation(const nsIntRect& aBounds, |
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27 ScreenRotation aRotation); |
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28 |
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29 } // namespace mozilla |
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30 |
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31 #endif // mozilla_WidgetUtils_h |