69 lines
1.3 KiB
C++
69 lines
1.3 KiB
C++
/*
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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 <react/renderer/debug/flags.h>
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#include <string>
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#ifdef RN_SERIALIZABLE_STATE
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#include <folly/dynamic.h>
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#endif
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namespace facebook::react {
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enum class UnitType {
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Undefined,
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Point,
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Percent,
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};
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struct ValueUnit {
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float value{0.0f};
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UnitType unit{UnitType::Undefined};
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ValueUnit() = default;
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ValueUnit(float v, UnitType u) : value(v), unit(u) {}
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bool operator==(const ValueUnit &other) const
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{
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return value == other.value && unit == other.unit;
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}
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bool operator!=(const ValueUnit &other) const
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{
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return !(*this == other);
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}
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constexpr float resolve(float referenceLength) const
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{
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switch (unit) {
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case UnitType::Point:
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return value;
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case UnitType::Percent:
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return value * referenceLength * 0.01f;
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case UnitType::Undefined:
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default:
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return 0.0f;
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}
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}
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constexpr operator bool() const
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{
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return unit != UnitType::Undefined;
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}
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#ifdef RN_SERIALIZABLE_STATE
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folly::dynamic toDynamic() const;
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#endif
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#if RN_DEBUG_STRING_CONVERTIBLE
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std::string toString() const;
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#endif
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};
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} // namespace facebook::react
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