63 lines
1.5 KiB
C++
63 lines
1.5 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/graphics/Float.h>
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#include <string>
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#include <variant>
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#include <vector>
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namespace facebook::react {
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enum class GradientDirectionType { Angle, Keyword };
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enum class GradientKeyword {
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ToTopRight,
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ToBottomRight,
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ToTopLeft,
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ToBottomLeft,
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};
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struct GradientDirection {
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GradientDirectionType type;
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std::variant<Float, GradientKeyword> value;
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bool operator==(const GradientDirection& other) const {
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return type == other.type && value == other.value;
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}
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};
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struct ColorStop {
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bool operator==(const ColorStop& other) const = default;
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SharedColor color;
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Float position = 0.0f;
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};
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struct LinearGradient {
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GradientDirection direction;
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std::vector<ColorStop> colorStops;
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bool operator==(const LinearGradient& other) const {
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return direction == other.direction && colorStops == other.colorStops;
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}
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};
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inline GradientKeyword parseGradientKeyword(const std::string& keyword) {
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if (keyword == "to top right")
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return GradientKeyword::ToTopRight;
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if (keyword == "to bottom right")
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return GradientKeyword::ToBottomRight;
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if (keyword == "to top left")
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return GradientKeyword::ToTopLeft;
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if (keyword == "to bottom left")
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return GradientKeyword::ToBottomLeft;
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throw std::invalid_argument("Invalid gradient keyword: " + keyword);
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}
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}; // namespace facebook::react
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