| /* |
| * Copyright (C) 2000 Lars Knoll (knoll@kde.org) |
| * (C) 2000 Antti Koivisto (koivisto@kde.org) |
| * (C) 2000 Dirk Mueller (mueller@kde.org) |
| * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. |
| * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com) |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| * |
| */ |
| |
| #ifndef SKY_ENGINE_PLATFORM_TRANSFORMS_TRANSFORMOPERATIONS_H_ |
| #define SKY_ENGINE_PLATFORM_TRANSFORMS_TRANSFORMOPERATIONS_H_ |
| |
| #include "sky/engine/platform/geometry/LayoutSize.h" |
| #include "sky/engine/platform/transforms/TransformOperation.h" |
| #include "sky/engine/wtf/RefPtr.h" |
| #include "sky/engine/wtf/Vector.h" |
| |
| namespace blink { |
| class FloatBox; |
| class PLATFORM_EXPORT TransformOperations { |
| WTF_MAKE_FAST_ALLOCATED; |
| public: |
| explicit TransformOperations(bool makeIdentity = false); |
| |
| bool operator==(const TransformOperations& o) const; |
| bool operator!=(const TransformOperations& o) const |
| { |
| return !(*this == o); |
| } |
| |
| void apply(const FloatSize& sz, TransformationMatrix& t) const |
| { |
| for (unsigned i = 0; i < m_operations.size(); ++i) |
| m_operations[i]->apply(t, sz); |
| } |
| |
| // Return true if any of the operation types are 3D operation types (even if the |
| // values describe affine transforms) |
| bool has3DOperation() const |
| { |
| for (unsigned i = 0; i < m_operations.size(); ++i) |
| if (m_operations[i]->is3DOperation()) |
| return true; |
| return false; |
| } |
| |
| bool dependsOnBoxSize() const |
| { |
| for (unsigned i = 0; i < m_operations.size(); ++i) { |
| if (m_operations[i]->dependsOnBoxSize()) |
| return true; |
| } |
| return false; |
| } |
| |
| bool operationsMatch(const TransformOperations&) const; |
| |
| void clear() |
| { |
| m_operations.clear(); |
| } |
| |
| Vector<RefPtr<TransformOperation> >& operations() { return m_operations; } |
| const Vector<RefPtr<TransformOperation> >& operations() const { return m_operations; } |
| |
| size_t size() const { return m_operations.size(); } |
| const TransformOperation* at(size_t index) const { return index < m_operations.size() ? m_operations.at(index).get() : 0; } |
| |
| bool blendedBoundsForBox(const FloatBox&, const TransformOperations& from, const double& minProgress, const double& maxProgress, FloatBox* bounds) const; |
| TransformOperations blendByMatchingOperations(const TransformOperations& from, const double& progress) const; |
| TransformOperations blendByUsingMatrixInterpolation(const TransformOperations& from, double progress) const; |
| TransformOperations blend(const TransformOperations& from, double progress) const; |
| TransformOperations add(const TransformOperations& addend) const; |
| |
| private: |
| Vector<RefPtr<TransformOperation> > m_operations; |
| }; |
| |
| } // namespace blink |
| |
| #endif // SKY_ENGINE_PLATFORM_TRANSFORMS_TRANSFORMOPERATIONS_H_ |