58 lines
1.5 KiB
C#
58 lines
1.5 KiB
C#
using System.IO;
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using ImageMagick;
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namespace GifResizer.Models;
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public class Gif : IDisposable
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{
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private readonly string _path;
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private MagickImageCollection? _images;
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public Gif(string path)
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{
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ArgumentNullException.ThrowIfNull(path);
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if (string.IsNullOrWhiteSpace(path) || !File.Exists(path))
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throw new ArgumentException($"File '{path}' does not exist");
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_path = path;
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}
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public void Load()
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{
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_images?.Dispose();
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_images = new MagickImageCollection(_path);
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_images.Coalesce();
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}
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public void Resize(int width, int height)
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{
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if (_images == null)
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throw new InvalidOperationException("Image hasn't been loaded yet");
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if (width <= 0 || height <= 0)
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throw new InvalidOperationException("Please specify a valid width or height.");
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foreach (var image in _images)
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{
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if (image.Width == width && image.Height == height) continue;
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image.Resize((uint)width, (uint)height);
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}
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}
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public void Save(string outputPath)
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{
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if (_images == null)
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throw new InvalidOperationException("Image hasn't been loaded yet");
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var directory = Path.GetDirectoryName(outputPath);
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if (!string.IsNullOrEmpty(directory))
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{
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Directory.CreateDirectory(directory);
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}
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_images.Write(outputPath);
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}
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public void Dispose()
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{
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_images?.Dispose();
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}
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} |