81 lines
2.3 KiB
C#
81 lines
2.3 KiB
C#
// Copyright (c) Wojciech Figat. All rights reserved.
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using System;
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namespace FlaxEngine.GUI
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{
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/// <summary>
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/// Implementation of <see cref="IBrush"/> for linear color gradient (made of 2 color).
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/// </summary>
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/// <seealso cref="IBrush" />
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public sealed class LinearGradientBrush : IBrush, IEquatable<LinearGradientBrush>
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{
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/// <summary>
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/// The brush start color.
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/// </summary>
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[EditorOrder(0), ExpandGroups, Tooltip("The brush start color.")]
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public Color StartColor;
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/// <summary>
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/// The brush end color.
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/// </summary>
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[EditorOrder(1), Tooltip("The brush end color.")]
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public Color EndColor;
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/// <summary>
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/// Initializes a new instance of the <see cref="LinearGradientBrush"/> class.
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/// </summary>
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public LinearGradientBrush()
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{
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StartColor = Color.White;
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EndColor = Color.Black;
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="LinearGradientBrush"/> struct.
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/// </summary>
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/// <param name="startColor">The start color.</param>
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/// <param name="endColor">The end color.</param>
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public LinearGradientBrush(Color startColor, Color endColor)
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{
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StartColor = startColor;
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EndColor = endColor;
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}
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/// <inheritdoc />
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public Float2 Size => Float2.One;
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/// <inheritdoc />
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public void Draw(Rectangle rect, Color color)
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{
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var startColor = StartColor * color;
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var endColor = EndColor * color;
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Render2D.FillRectangle(rect, startColor, startColor, endColor, endColor);
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}
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/// <inheritdoc />
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public bool Equals(LinearGradientBrush other)
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{
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return other != null && StartColor == other.StartColor && EndColor == other.EndColor;
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}
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/// <inheritdoc />
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public override bool Equals(object obj)
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{
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return obj is LinearGradientBrush other && Equals(other);
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}
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/// <inheritdoc />
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public override int GetHashCode()
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{
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return HashCode.Combine(StartColor, EndColor);
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}
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/// <inheritdoc />
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public int CompareTo(object obj)
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{
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return Equals(obj) ? 1 : 0;
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}
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}
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}
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