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1 /* | 1 /* |
2 * Copyright (C) 2011 Apple Inc. All rights reserved. | 2 * Copyright (C) 2011 Apple Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
11 * documentation and/or other materials provided with the distribution. | 11 * documentation and/or other materials provided with the distribution. |
12 * | 12 * |
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
24 */ | 24 */ |
25 | 25 |
26 #include "platform/geometry/TransformState.h" | 26 #include "platform/geometry/TransformState.h" |
27 | 27 |
28 #include "wtf/PassOwnPtr.h" | |
29 | 28 |
30 namespace blink { | 29 namespace blink { |
31 | 30 |
32 TransformState& TransformState::operator=(const TransformState& other) | 31 TransformState& TransformState::operator=(const TransformState& other) |
33 { | 32 { |
34 m_accumulatedOffset = other.m_accumulatedOffset; | 33 m_accumulatedOffset = other.m_accumulatedOffset; |
35 m_mapPoint = other.m_mapPoint; | 34 m_mapPoint = other.m_mapPoint; |
36 m_mapQuad = other.m_mapQuad; | 35 m_mapQuad = other.m_mapQuad; |
37 if (m_mapPoint) | 36 if (m_mapPoint) |
38 m_lastPlanarPoint = other.m_lastPlanarPoint; | 37 m_lastPlanarPoint = other.m_lastPlanarPoint; |
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212 | 211 |
213 // We could throw away m_accumulatedTransform if we wanted to here, but that | 212 // We could throw away m_accumulatedTransform if we wanted to here, but that |
214 // would cause thrash when traversing hierarchies with alternating | 213 // would cause thrash when traversing hierarchies with alternating |
215 // preserve-3d and flat elements. | 214 // preserve-3d and flat elements. |
216 if (m_accumulatedTransform) | 215 if (m_accumulatedTransform) |
217 m_accumulatedTransform->makeIdentity(); | 216 m_accumulatedTransform->makeIdentity(); |
218 m_accumulatingTransform = false; | 217 m_accumulatingTransform = false; |
219 } | 218 } |
220 | 219 |
221 } // namespace blink | 220 } // namespace blink |
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