54 lines
1.8 KiB
C#
54 lines
1.8 KiB
C#
// Copyright (c) 2012-2024 Wojciech Figat. All rights reserved.
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namespace FlaxEngine.GUI
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{
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/// <summary>
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/// The blur panel that applied the Gaussian-blur to all content beneath the control.
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/// </summary>
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/// <seealso cref="FlaxEngine.GUI.ContainerControl" />
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public class BlurPanel : ContainerControl
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{
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/// <summary>
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/// Gets or sets the blur strength. Defines how blurry the background is. Larger numbers increase blur, resulting in a larger runtime cost on the GPU.
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/// </summary>
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[EditorOrder(0), Limit(0, 100, 0.1f)]
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public float BlurStrength { get; set; }
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/// <summary>
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/// If checked, the blur strength will be scaled with the control size, which makes it resolution-independent.
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/// </summary>
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[EditorOrder(10)]
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public bool BlurScaleWithSize { get; set; } = false;
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/// <summary>
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/// Initializes a new instance of the <see cref="BlurPanel"/> class.
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/// </summary>
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public BlurPanel()
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{
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AutoFocus = false;
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}
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/// <inheritdoc />
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public override void DrawSelf()
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{
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base.DrawSelf();
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var size = Size;
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var strength = BlurStrength;
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if (BlurScaleWithSize)
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strength *= size.MinValue / 1000.0f;
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if (strength > Mathf.Epsilon)
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{
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Render2D.DrawBlur(new Rectangle(Float2.Zero, size), strength);
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}
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}
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/// <inheritdoc />
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public override bool ContainsPoint(ref Float2 location, bool precise = false)
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{
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if (precise) // Ignore as visual-only element
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return false;
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return base.ContainsPoint(ref location, precise);
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}
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}
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}
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