Files
gif-resizer/GifResizer/Models/Gif.cs

49 lines
1.4 KiB
C#

using System.IO;
using SixLabors.ImageSharp;
using SixLabors.ImageSharp.Processing;
namespace GifResizer.Models;
public class Gif : IDisposable
{
private readonly string _path;
private Image? _image;
public Gif(string path)
{
ArgumentNullException.ThrowIfNull(path);
if (path.Length == 0 || path.IsWhiteSpace() || !File.Exists(path))
throw new ArgumentException($"File '{path}' does not exist");
_path = path;
}
public void Load()
{
_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));
}
public void Save(string outputPath)
{
if(_image == null) throw new InvalidOperationException("Image hasn't been loaded yet");
var directory = Path.GetDirectoryName(outputPath);
if (!string.IsNullOrEmpty(directory))
{
Directory.CreateDirectory(directory);
}
_image.Save(Path.Combine(outputPath));
}
public void Dispose()
{
_image?.Dispose();
}
}