AddUserSecrets, RenameByDateTaken and BlurHash

BlurHash/Models/BlurHasher.cs

@@ -0,0 +1,52 @@
+using System.Drawing;
+using System.Text;
+using View_by_Distance.Shared.Models.Methods;
+
+namespace View_by_Distance.BlurHash.Models;
+
+public class BlurHasher : IBlurHasher
+{
+
+    string IBlurHasher.Encode(Image image) =>
+#pragma warning disable CA1416
+      image.Width < image.Height ? Encode(image, 4, 3) : Encode(image, 3, 4);
+#pragma warning restore CA1416
+
+    string IBlurHasher.EncodeAndSave(Image image, string directory) =>
+#pragma warning disable CA1416
+      image.Width < image.Height ? EncodeAndSave(image, 4, 3, 300, 190, directory) : EncodeAndSave(image, 3, 4, 300, 190, directory);
+#pragma warning restore CA1416
+
+    string IBlurHasher.Encode(Image image, int x, int y) =>
+       Encode(image, x, y);
+
+    string IBlurHasher.EncodeAndSave(Image image, int x, int y, string directory) =>
+       EncodeAndSave(image, x, y, 300, 190, directory);
+
+    internal static string Encode(Image image, int x, int y) =>
+        System.Drawing.BlurHash.BlurHasher.Encode(image, x, y);
+
+    public string EncodeAndSave(Image image, int x, int y, int width, int height, string directory)
+    {
+        string result;
+        int actualByte;
+        result = System.Drawing.BlurHash.BlurHasher.Encode(image, x, y);
+        byte[] blurHashBytes = Encoding.UTF8.GetBytes(result);
+        using Bitmap actualImage = (Bitmap)System.Drawing.BlurHash.BlurHasher.Decode(result, width, height);
+        string joined = string.Join(string.Empty, blurHashBytes.Select(l => l.ToString("000")));
+        string fileName = Path.Combine(directory, $"{x}x{y}-{width}x{height}-{joined}.png");
+        if (!File.Exists(fileName))
+        {
+            using FileStream fileStream = new(fileName, FileMode.CreateNew);
+#pragma warning disable CA1416
+            actualImage.Save(fileStream, System.Drawing.Imaging.ImageFormat.Png);
+#pragma warning restore CA1416
+            _ = fileStream.Seek(0, SeekOrigin.Begin);
+            actualByte = fileStream.ReadByte();
+            while (actualByte > -1)
+                actualByte = fileStream.ReadByte();
+        }
+        return result;
+    }
+
+}