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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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