| // 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_ |