Implemented gif exportation and added some style (again)

GifResizer/Models/Format.cs

@@ -0,0 +1,18 @@
+namespace GifResizer.Models;
+
+public class Format
+{
+    public Format(int width, int height)
+    {
+        Width = width;
+        Height = height;
+        Checked = true;
+    }
+    
+    public int Width { get; private set; }
+    public int Height { get; private set; }
+    public bool Checked { get; set; }
+    
+    public override string ToString() => $"{Width}x{Height}";
+    
+}

GifResizer/Models/Gif.cs

@@ -1,6 +1,4 @@
-using System.Diagnostics;
-using System.IO;
-using GifResizer.Service;
+using System.IO;
 using SixLabors.ImageSharp;
 using SixLabors.ImageSharp.Processing;
 
@@ -9,7 +7,7 @@ namespace GifResizer.Models;
 public class Gif : IDisposable
 {
 
-    private readonly FileInfo _file;
+    private readonly string _path;
     private Image? _image;
     
     public Gif(string path)
@@ -17,18 +15,19 @@ public class Gif : IDisposable
         ArgumentNullException.ThrowIfNull(path);
         if (path.Length == 0 || path.IsWhiteSpace() || !File.Exists(path)) 
             throw new ArgumentException($"File '{path}' does not exist");
-        
-        _file = new FileInfo(path);
+        _path = path;
     }
 
     public void Load()
     {
-        _image = Image.Load(_file.FullName);
+        _image = Image.Load(_path);
     }
     
     public void Resize(int width, int height)
     {
         if(_image == null) throw new InvalidOperationException("Image hasn't been loaded yet");
+        if(width <= 0 || height <= 0) throw new InvalidOperationException("Please specify a valid width or height.");
+        if(width == _image.Width && height == _image.Height) return;
         _image.Mutate(x => x.Resize(width, height));
     }
 

GifResizer/Models/GifData.cs

@@ -0,0 +1,29 @@
+using System.IO;
+using SixLabors.ImageSharp;
+
+namespace GifResizer.Models;
+
+public class GifData
+{
+    public GifData(string path)
+    {
+        Load(path);
+    }
+
+    private void Load(string path)
+    {
+        ArgumentNullException.ThrowIfNull(path);
+        if (path.Length == 0 || path.IsWhiteSpace() || !File.Exists(path)) 
+            throw new ArgumentException($"File '{path}' does not exist");
+        
+        using Image image = Image.Load(path);
+        Path = path;
+        Width = image.Width;
+        Height = image.Height;
+    }
+    
+    public string Path { get; private set; }
+    public int Width { get; private set; }
+    public int Height { get; private set; }
+    
+}