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1 /* | 1 /* |
2 * Copyright (C) 1999 Antti Koivisto (koivisto@kde.org) | 2 * Copyright (C) 1999 Antti Koivisto (koivisto@kde.org) |
3 * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. | 3 * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. |
4 * | 4 * |
5 * This library is free software; you can redistribute it and/or | 5 * This library is free software; you can redistribute it and/or |
6 * modify it under the terms of the GNU Library General Public | 6 * modify it under the terms of the GNU Library General Public |
7 * License as published by the Free Software Foundation; either | 7 * License as published by the Free Software Foundation; either |
8 * version 2 of the License, or (at your option) any later version. | 8 * version 2 of the License, or (at your option) any later version. |
9 * | 9 * |
10 * This library is distributed in the hope that it will be useful, | 10 * This library is distributed in the hope that it will be useful, |
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 * Library General Public License for more details. | 13 * Library General Public License for more details. |
14 * | 14 * |
15 * You should have received a copy of the GNU Library General Public License | 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 | 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, | 17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
18 * Boston, MA 02110-1301, USA. | 18 * Boston, MA 02110-1301, USA. |
19 * | 19 * |
20 */ | 20 */ |
21 | 21 |
22 #include "sky/engine/config.h" | |
23 #include "sky/engine/platform/transforms/SkewTransformOperation.h" | 22 #include "sky/engine/platform/transforms/SkewTransformOperation.h" |
24 | 23 |
25 #include "sky/engine/platform/animation/AnimationUtilities.h" | 24 #include "sky/engine/platform/animation/AnimationUtilities.h" |
26 | 25 |
27 namespace blink { | 26 namespace blink { |
28 | 27 |
29 PassRefPtr<TransformOperation> SkewTransformOperation::blend(const TransformOper
ation* from, double progress, bool blendToIdentity) | 28 PassRefPtr<TransformOperation> SkewTransformOperation::blend(const TransformOper
ation* from, double progress, bool blendToIdentity) |
30 { | 29 { |
31 if (from && !from->canBlendWith(*this)) | 30 if (from && !from->canBlendWith(*this)) |
32 return this; | 31 return this; |
33 | 32 |
34 if (blendToIdentity) | 33 if (blendToIdentity) |
35 return SkewTransformOperation::create(blink::blend(m_angleX, 0.0, progre
ss), blink::blend(m_angleY, 0.0, progress), m_type); | 34 return SkewTransformOperation::create(blink::blend(m_angleX, 0.0, progre
ss), blink::blend(m_angleY, 0.0, progress), m_type); |
36 | 35 |
37 const SkewTransformOperation* fromOp = static_cast<const SkewTransformOperat
ion*>(from); | 36 const SkewTransformOperation* fromOp = static_cast<const SkewTransformOperat
ion*>(from); |
38 double fromAngleX = fromOp ? fromOp->m_angleX : 0; | 37 double fromAngleX = fromOp ? fromOp->m_angleX : 0; |
39 double fromAngleY = fromOp ? fromOp->m_angleY : 0; | 38 double fromAngleY = fromOp ? fromOp->m_angleY : 0; |
40 return SkewTransformOperation::create(blink::blend(fromAngleX, m_angleX, pro
gress), blink::blend(fromAngleY, m_angleY, progress), m_type); | 39 return SkewTransformOperation::create(blink::blend(fromAngleX, m_angleX, pro
gress), blink::blend(fromAngleY, m_angleY, progress), m_type); |
41 } | 40 } |
42 | 41 |
43 bool SkewTransformOperation::canBlendWith(const TransformOperation& other) const | 42 bool SkewTransformOperation::canBlendWith(const TransformOperation& other) const |
44 { | 43 { |
45 return other.type() == Skew | 44 return other.type() == Skew |
46 || other.type() == SkewX | 45 || other.type() == SkewX |
47 || other.type() == SkewY; | 46 || other.type() == SkewY; |
48 } | 47 } |
49 | 48 |
50 } // namespace blink | 49 } // namespace blink |
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