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73 lines
1.4 KiB
73 lines
1.4 KiB
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#pragma once
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#include <tuple>
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#include <folly/Hash.h>
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#include <react/renderer/graphics/Float.h>
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namespace facebook {
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namespace react {
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/*
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* Contains a point in a two-dimensional coordinate system.
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*/
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struct Point {
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Float x{0};
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Float y{0};
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Point &operator+=(Point const &point) noexcept {
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x += point.x;
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y += point.y;
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return *this;
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}
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Point &operator-=(Point const &point) noexcept {
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x -= point.x;
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y -= point.y;
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return *this;
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}
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Point &operator*=(Point const &point) noexcept {
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x *= point.x;
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y *= point.y;
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return *this;
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}
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friend Point operator+(Point lhs, Point const &rhs) noexcept {
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return lhs += rhs;
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}
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friend Point operator-(Point lhs, Point const &rhs) noexcept {
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return lhs -= rhs;
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}
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};
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inline bool operator==(Point const &rhs, Point const &lhs) noexcept {
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return std::tie(lhs.x, lhs.y) == std::tie(rhs.x, rhs.y);
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}
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inline bool operator!=(Point const &rhs, Point const &lhs) noexcept {
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return !(lhs == rhs);
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}
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} // namespace react
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} // namespace facebook
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namespace std {
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template <>
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struct hash<facebook::react::Point> {
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size_t operator()(facebook::react::Point const &point) const noexcept {
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return folly::hash::hash_combine(0, point.x, point.y);
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}
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};
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} // namespace std
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