127 lines
3.3 KiB
C#
127 lines
3.3 KiB
C#
using DlibDotNet;
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using DlibDotNet.Extensions;
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using System.Drawing;
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using View_by_Distance.Shared.Models.Stateless;
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namespace View_by_Distance.FaceRecognitionDotNet;
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/// <summary>
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/// Represents a image data. This class cannot be inherited.
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/// </summary>
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public sealed class Image : DisposableObject
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{
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#region Fields
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#endregion
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#region Constructors
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internal Image(MatrixBase matrix, Mode mode)
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{
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Matrix = matrix;
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Mode = mode;
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}
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#endregion
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#region Properties
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/// <summary>
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/// Gets the height of the image.
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/// </summary>
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/// <exception cref="ObjectDisposedException">This object is disposed.</exception>
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public int Height
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{
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get
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{
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ThrowIfDisposed();
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return Matrix.Rows;
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}
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}
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internal MatrixBase Matrix { get; private set; }
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internal Mode Mode { get; }
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/// <summary>
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/// Gets the width of the image.
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/// </summary>
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/// <exception cref="ObjectDisposedException">This object is disposed.</exception>
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public int Width
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{
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get
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{
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ThrowIfDisposed();
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return Matrix.Columns;
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}
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}
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#endregion
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#region Methods
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/// <summary>
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/// Saves this <see cref="Image"/> to the specified file.
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/// </summary>
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/// <param name="filename">A string that contains the name of the file to which to save this <see cref="Image"/>.</param>
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/// <param name="format">The <see cref="ImageFormat"/> for this <see cref="Image"/>.</param>
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/// <exception cref="NullReferenceException"><paramref name="filename"/> is null.</exception>
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/// <exception cref="ObjectDisposedException">This object is disposed.</exception>
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public void Save(string filename, ImageFormat format)
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{
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if (filename == null)
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throw new NullReferenceException(nameof(filename));
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ThrowIfDisposed();
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string? directory = Path.GetDirectoryName(filename);
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if (!Directory.Exists(directory) && !string.IsNullOrWhiteSpace(directory))
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_ = Directory.CreateDirectory(directory);
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switch (format)
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{
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case ImageFormat.Bmp:
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DlibDotNet.Dlib.SaveBmp(Matrix, filename);
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break;
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case ImageFormat.Jpeg:
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DlibDotNet.Dlib.SaveJpeg(Matrix, filename);
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break;
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case ImageFormat.Png:
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DlibDotNet.Dlib.SavePng(Matrix, filename);
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break;
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}
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}
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/// <summary>
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/// Converts this <see cref="Image"/> to a GDI+ <see cref="Bitmap"/>.
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/// </summary>
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/// <returns>A <see cref="Bitmap"/> that represents the converted <see cref="Image"/>.</returns>
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/// <exception cref="ObjectDisposedException">This object is disposed.</exception>
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/// <exception cref="NotSupportedException">A Greyscale image is not supported.</exception>
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public Bitmap ToBitmap()
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{
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ThrowIfDisposed();
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if (Mode == Mode.Greyscale)
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throw new NotSupportedException();
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return ((Matrix<RgbPixel>)Matrix).ToBitmap();
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}
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#region Overrides
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/// <summary>
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/// Releases all unmanaged resources.
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/// </summary>
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protected override void DisposeUnmanaged()
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{
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base.DisposeUnmanaged();
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Matrix?.Dispose();
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}
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#endregion
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#endregion
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} |