OLD | NEW |
| (Empty) |
1 /* | |
2 * Copyright (C) 1999 Antti Koivisto (koivisto@kde.org) | |
3 * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. | |
4 * | |
5 * This library is free software; you can redistribute it and/or | |
6 * modify it under the terms of the GNU Library General Public | |
7 * License as published by the Free Software Foundation; either | |
8 * version 2 of the License, or (at your option) any later version. | |
9 * | |
10 * This library is distributed in the hope that it will be useful, | |
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 * Library General Public License for more details. | |
14 * | |
15 * You should have received a copy of the GNU Library General Public License | |
16 * along with this library; see the file COPYING.LIB. If not, write to | |
17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
18 * Boston, MA 02110-1301, USA. | |
19 * | |
20 */ | |
21 | |
22 #include "config.h" | |
23 #include "core/platform/graphics/transforms/SkewTransformOperation.h" | |
24 | |
25 #include "platform/animation/AnimationUtilities.h" | |
26 | |
27 namespace WebCore { | |
28 | |
29 PassRefPtr<TransformOperation> SkewTransformOperation::blend(const TransformOper
ation* from, double progress, bool blendToIdentity) | |
30 { | |
31 if (from && !from->isSameType(*this)) | |
32 return this; | |
33 | |
34 if (blendToIdentity) | |
35 return SkewTransformOperation::create(WebCore::blend(m_angleX, 0.0, prog
ress), WebCore::blend(m_angleY, 0.0, progress), m_type); | |
36 | |
37 const SkewTransformOperation* fromOp = static_cast<const SkewTransformOperat
ion*>(from); | |
38 double fromAngleX = fromOp ? fromOp->m_angleX : 0; | |
39 double fromAngleY = fromOp ? fromOp->m_angleY : 0; | |
40 return SkewTransformOperation::create(WebCore::blend(fromAngleX, m_angleX, p
rogress), WebCore::blend(fromAngleY, m_angleY, progress), m_type); | |
41 } | |
42 | |
43 } // namespace WebCore | |
OLD | NEW |