83 lines
2.5 KiB
C#
83 lines
2.5 KiB
C#
namespace Unosquare.RaspberryIO.Camera
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{
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using Swan;
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using System.Globalization;
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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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{
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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 { get; set; }
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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 { get; set; }
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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 { get; set; }
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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 { get; set; }
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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 bool IsDefault
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{
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get
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{
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Clamp();
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return X == Default.X && Y == Default.Y && W == Default.W && 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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{
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X = X.Clamp(0M, 1M);
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Y = Y.Clamp(0M, 1M);
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W = W.Clamp(0M, 1M - X);
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H = H.Clamp(0M, 1M - 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() => $"{X.ToString(CultureInfo.InvariantCulture)},{Y.ToString(CultureInfo.InvariantCulture)},{W.ToString(CultureInfo.InvariantCulture)},{H.ToString(CultureInfo.InvariantCulture)}";
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}
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}
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