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// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "flutter/fml/macros.h"
#include "third_party/skia/include/core/SkM44.h"
#include "third_party/skia/include/core/SkMatrix.h"
namespace flutter {
/// Decomposes a given non-degenerate transformation matrix into a sequence of
/// operations that produced it. The validity of the decomposition must always
/// be checked before attempting to access any of the decomposed elements.
class MatrixDecomposition {
MatrixDecomposition(const SkMatrix& matrix);
MatrixDecomposition(SkM44 matrix);
bool IsValid() const;
const SkV3& translation() const { return translation_; }
const SkV3& scale() const { return scale_; }
const SkV3& shear() const { return shear_; }
const SkV4& perspective() const { return perspective_; }
const SkV4& rotation() const { return rotation_; }
bool valid_;
SkV3 translation_;
SkV3 scale_;
SkV3 shear_;
SkV4 perspective_;
SkV4 rotation_;
} // namespace flutter