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// Copyright 2015 The Cobalt Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef COBALT_CSSOM_MATRIX_FUNCTION_H_
#define COBALT_CSSOM_MATRIX_FUNCTION_H_
#include <string>
#include "base/compiler_specific.h"
#include "cobalt/base/polymorphic_equatable.h"
#include "cobalt/cssom/transform_function.h"
#include "cobalt/math/matrix3_f.h"
namespace cobalt {
namespace cssom {
class TransformFunctionVisitor;
// The matrix function allows one to specify a 2D 2x3 affine transformation
// as a matrix.
// https://www.w3.org/TR/css-transforms-1/#funcdef-matrix
class MatrixFunction : public TransformFunction {
public:
explicit MatrixFunction(const math::Matrix3F& matrix);
MatrixFunction(float m00, float m10, float m01, float m11, float m02,
float m12);
void Accept(TransformFunctionVisitor* visitor) const override;
const math::Matrix3F& value() const { return value_; }
std::string ToString() const override;
math::Matrix3F ToMatrix(const math::SizeF& used_size,
const scoped_refptr<ui_navigation::NavItem>&
used_ui_nav_focus) const override {
return value_;
}
bool operator==(const MatrixFunction& other) const {
return value_ == other.value_;
}
DEFINE_POLYMORPHIC_EQUATABLE_TYPE(MatrixFunction);
private:
const math::Matrix3F value_;
};
} // namespace cssom
} // namespace cobalt
#endif // COBALT_CSSOM_MATRIX_FUNCTION_H_