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95e26819d9
In the future there will be different methods of creating these use-time easing functions (e.g. from `KeywordStyleValue`s)
60 lines
1.3 KiB
C++
60 lines
1.3 KiB
C++
/*
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* Copyright (c) 2025, Callum Law <callumlaw1709@outlook.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <LibWeb/CSS/Enums.h>
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#include <LibWeb/CSS/StyleValues/StyleValue.h>
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namespace Web::CSS {
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struct LinearEasingFunction {
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struct ControlPoint {
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Optional<double> input;
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double output;
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};
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Vector<ControlPoint> control_points;
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String stringified;
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double evaluate_at(double input_progress, bool before_flag) const;
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};
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struct CubicBezierEasingFunction {
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double x1;
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double y1;
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double x2;
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double y2;
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String stringified;
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struct CachedSample {
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double x;
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double y;
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double t;
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};
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mutable Vector<CachedSample> m_cached_x_samples {};
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double evaluate_at(double input_progress, bool before_flag) const;
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};
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struct StepsEasingFunction {
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long interval_count;
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StepPosition position;
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String stringified;
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double evaluate_at(double input_progress, bool before_flag) const;
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};
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struct EasingFunction : public Variant<LinearEasingFunction, CubicBezierEasingFunction, StepsEasingFunction> {
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using Variant::Variant;
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static EasingFunction from_style_value(StyleValue const&);
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double evaluate_at(double input_progress, bool before_flag) const;
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String to_string() const;
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};
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}
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