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