87 lines
2.4 KiB
C#
87 lines
2.4 KiB
C#
using Unosquare.Swan;
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using System;
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using System.Globalization;
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namespace Unosquare.RaspberryIO.Camera {
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/// <summary>
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/// Defines the Raspberry Pi camera's sensor ROI (Region of Interest)
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/// </summary>
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public struct CameraRect {
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/// <summary>
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/// The default ROI which is the entire area.
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/// </summary>
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public static readonly CameraRect Default = new CameraRect { X = 0M, Y = 0M, W = 1.0M, H = 1.0M };
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/// <summary>
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/// Gets or sets the x in relative coordinates. (0.0 to 1.0)
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/// </summary>
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/// <value>
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/// The x.
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/// </value>
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public Decimal X {
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get; set;
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}
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/// <summary>
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/// Gets or sets the y location in relative coordinates. (0.0 to 1.0)
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/// </summary>
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/// <value>
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/// The y.
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/// </value>
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public Decimal Y {
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get; set;
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}
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/// <summary>
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/// Gets or sets the width in relative coordinates. (0.0 to 1.0)
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/// </summary>
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/// <value>
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/// The w.
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/// </value>
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public Decimal W {
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get; set;
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}
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/// <summary>
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/// Gets or sets the height in relative coordinates. (0.0 to 1.0)
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/// </summary>
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/// <value>
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/// The h.
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/// </value>
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public Decimal H {
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get; set;
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}
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/// <summary>
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/// Gets a value indicating whether this instance is equal to the default (The entire area).
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/// </summary>
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/// <value>
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/// <c>true</c> if this instance is default; otherwise, <c>false</c>.
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/// </value>
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public Boolean IsDefault {
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get {
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this.Clamp();
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return this.X == Default.X && this.Y == Default.Y && this.W == Default.W && this.H == Default.H;
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}
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}
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/// <summary>
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/// Clamps the members of this ROI to their minimum and maximum values
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/// </summary>
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public void Clamp() {
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this.X = this.X.Clamp(0M, 1M);
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this.Y = this.Y.Clamp(0M, 1M);
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this.W = this.W.Clamp(0M, 1M - this.X);
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this.H = this.H.Clamp(0M, 1M - this.Y);
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}
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/// <summary>
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/// Returns a <see cref="String" /> that represents this instance.
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/// </summary>
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/// <returns>
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/// A <see cref="String" /> that represents this instance.
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/// </returns>
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public override String ToString() => $"{this.X.ToString(CultureInfo.InvariantCulture)},{this.Y.ToString(CultureInfo.InvariantCulture)},{this.W.ToString(CultureInfo.InvariantCulture)},{this.H.ToString(CultureInfo.InvariantCulture)}";
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}
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}
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