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1 /* | |
2 * Copyright (C) 2000 Lars Knoll (knoll@kde.org) | |
3 * (C) 2000 Antti Koivisto (koivisto@kde.org) | |
4 * (C) 2000 Dirk Mueller (mueller@kde.org) | |
5 * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. | |
6 * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com) | |
7 * | |
8 * This library is free software; you can redistribute it and/or | |
9 * modify it under the terms of the GNU Library General Public | |
10 * License as published by the Free Software Foundation; either | |
11 * version 2 of the License, or (at your option) any later version. | |
12 * | |
13 * This library is distributed in the hope that it will be useful, | |
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 * Library General Public License for more details. | |
17 * | |
18 * You should have received a copy of the GNU Library General Public License | |
19 * along with this library; see the file COPYING.LIB. If not, write to | |
20 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
21 * Boston, MA 02110-1301, USA. | |
22 * | |
23 */ | |
24 | |
25 #ifndef RotateTransformOperation_h | |
26 #define RotateTransformOperation_h | |
27 | |
28 #include "core/platform/graphics/transforms/TransformOperation.h" | |
29 | |
30 namespace WebCore { | |
31 | |
32 class RotateTransformOperation : public TransformOperation { | |
33 public: | |
34 static PassRefPtr<RotateTransformOperation> create(double angle, OperationTy
pe type) | |
35 { | |
36 return adoptRef(new RotateTransformOperation(0, 0, 1, angle, type)); | |
37 } | |
38 | |
39 static PassRefPtr<RotateTransformOperation> create(double x, double y, doubl
e z, double angle, OperationType type) | |
40 { | |
41 return adoptRef(new RotateTransformOperation(x, y, z, angle, type)); | |
42 } | |
43 | |
44 double x() const { return m_x; } | |
45 double y() const { return m_y; } | |
46 double z() const { return m_z; } | |
47 double angle() const { return m_angle; } | |
48 | |
49 private: | |
50 virtual bool isIdentity() const { return m_angle == 0; } | |
51 | |
52 virtual OperationType getOperationType() const { return m_type; } | |
53 virtual bool isSameType(const TransformOperation& o) const { return o.getOpe
rationType() == m_type; } | |
54 | |
55 virtual bool operator==(const TransformOperation& o) const | |
56 { | |
57 if (!isSameType(o)) | |
58 return false; | |
59 const RotateTransformOperation* r = static_cast<const RotateTransformOpe
ration*>(&o); | |
60 return m_x == r->m_x && m_y == r->m_y && m_z == r->m_z && m_angle == r->
m_angle; | |
61 } | |
62 | |
63 virtual bool apply(TransformationMatrix& transform, const FloatSize& /*borde
rBoxSize*/) const | |
64 { | |
65 transform.rotate3d(m_x, m_y, m_z, m_angle); | |
66 return false; | |
67 } | |
68 | |
69 virtual PassRefPtr<TransformOperation> blend(const TransformOperation* from,
double progress, bool blendToIdentity = false); | |
70 | |
71 RotateTransformOperation(double x, double y, double z, double angle, Operati
onType type) | |
72 : m_x(x) | |
73 , m_y(y) | |
74 , m_z(z) | |
75 , m_angle(angle) | |
76 , m_type(type) | |
77 { | |
78 ASSERT(type == RotateX || type == RotateY || type == RotateZ || type ==
Rotate3D); | |
79 } | |
80 | |
81 double m_x; | |
82 double m_y; | |
83 double m_z; | |
84 double m_angle; | |
85 OperationType m_type; | |
86 }; | |
87 | |
88 } // namespace WebCore | |
89 | |
90 #endif // RotateTransformOperation_h | |
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