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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 TransformOperations_h | |
26 #define TransformOperations_h | |
27 | |
28 #include "core/platform/graphics/transforms/TransformOperation.h" | |
29 #include "platform/geometry/LayoutSize.h" | |
30 #include "wtf/RefPtr.h" | |
31 #include "wtf/Vector.h" | |
32 | |
33 namespace WebCore { | |
34 | |
35 class TransformOperations { | |
36 WTF_MAKE_FAST_ALLOCATED; | |
37 public: | |
38 explicit TransformOperations(bool makeIdentity = false); | |
39 | |
40 bool operator==(const TransformOperations& o) const; | |
41 bool operator!=(const TransformOperations& o) const | |
42 { | |
43 return !(*this == o); | |
44 } | |
45 | |
46 void apply(const FloatSize& sz, TransformationMatrix& t) const | |
47 { | |
48 for (unsigned i = 0; i < m_operations.size(); ++i) | |
49 m_operations[i]->apply(t, sz); | |
50 } | |
51 | |
52 // Return true if any of the operation types are 3D operation types (even if
the | |
53 // values describe affine transforms) | |
54 bool has3DOperation() const | |
55 { | |
56 for (unsigned i = 0; i < m_operations.size(); ++i) | |
57 if (m_operations[i]->is3DOperation()) | |
58 return true; | |
59 return false; | |
60 } | |
61 | |
62 bool operationsMatch(const TransformOperations&) const; | |
63 | |
64 void clear() | |
65 { | |
66 m_operations.clear(); | |
67 } | |
68 | |
69 Vector<RefPtr<TransformOperation> >& operations() { return m_operations; } | |
70 const Vector<RefPtr<TransformOperation> >& operations() const { return m_ope
rations; } | |
71 | |
72 size_t size() const { return m_operations.size(); } | |
73 const TransformOperation* at(size_t index) const { return index < m_operatio
ns.size() ? m_operations.at(index).get() : 0; } | |
74 | |
75 TransformOperations blendByMatchingOperations(const TransformOperations& fro
m, const double& progress) const; | |
76 TransformOperations blendByUsingMatrixInterpolation(const TransformOperation
s& from, double progress) const; | |
77 TransformOperations blend(const TransformOperations& from, double progress)
const; | |
78 TransformOperations add(const TransformOperations& addend) const; | |
79 | |
80 private: | |
81 Vector<RefPtr<TransformOperation> > m_operations; | |
82 }; | |
83 | |
84 } // namespace WebCore | |
85 | |
86 #endif // TransformOperations_h | |
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