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/*
* 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 THIRD_PARTY_BLINK_RENDERER_PLATFORM_TRANSFORMS_TRANSFORM_OPERATIONS_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_TRANSFORMS_TRANSFORM_OPERATIONS_H_
#include "base/memory/scoped_refptr.h"
#include "third_party/blink/renderer/platform/geometry/layout_size.h"
#include "third_party/blink/renderer/platform/transforms/transform_operation.h"
#include "third_party/blink/renderer/platform/wtf/allocator.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"
namespace blink {
class FloatBox;
class PLATFORM_EXPORT EmptyTransformOperations final {
DISALLOW_NEW();
};
class PLATFORM_EXPORT TransformOperations {
DISALLOW_NEW();
public:
explicit TransformOperations(bool make_identity = false);
TransformOperations(const EmptyTransformOperations&) {}
bool operator==(const TransformOperations& o) const;
bool operator!=(const TransformOperations& o) const { return !(*this == o); }
void Apply(const FloatSize& sz, TransformationMatrix& t) const {
for (auto& operation : operations_)
operation->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 (auto& operation : operations_)
if (operation->Is3DOperation())
return true;
return false;
}
// Returns true if any operation has a non-trivial component in the Z
// axis.
bool HasNonTrivial3DComponent() const {
for (auto& operation : operations_) {
if (operation->HasNonTrivial3DComponent())
return true;
}
return false;
}
bool DependsOnBoxSize() const {
for (auto& operation : operations_) {
if (operation->DependsOnBoxSize())
return true;
}
return false;
}
bool OperationsMatch(const TransformOperations&) const;
void clear() { operations_.clear(); }
Vector<scoped_refptr<TransformOperation>>& Operations() {
return operations_;
}
const Vector<scoped_refptr<TransformOperation>>& Operations() const {
return operations_;
}
wtf_size_t size() const { return operations_.size(); }
const TransformOperation* at(wtf_size_t index) const {
return index < operations_.size() ? operations_.at(index).get() : nullptr;
}
bool BlendedBoundsForBox(const FloatBox&,
const TransformOperations& from,
const double& min_progress,
const double& max_progress,
FloatBox* bounds) const;
TransformOperations BlendByMatchingOperations(const TransformOperations& from,
const double& progress) const;
scoped_refptr<TransformOperation> BlendByUsingMatrixInterpolation(
const TransformOperations& from,
double progress) const;
TransformOperations Blend(const TransformOperations& from,
double progress) const;
TransformOperations Add(const TransformOperations& addend) const;
TransformOperations Zoom(double factor) const;
private:
Vector<scoped_refptr<TransformOperation>> operations_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_TRANSFORMS_TRANSFORM_OPERATIONS_H_
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