69 lines
2.3 KiB
C#
69 lines
2.3 KiB
C#
using SixLabors.ImageSharp;
|
|
using SixLabors.ImageSharp.Formats.Webp;
|
|
using SixLabors.ImageSharp.Processing;
|
|
|
|
namespace Photomator;
|
|
|
|
public class Lib
|
|
{
|
|
public static async Task Convert(string src, string dest, ConvertOptions options)
|
|
{
|
|
Image img = await Image.LoadAsync(src);
|
|
img.Mutate(i =>
|
|
{
|
|
i.AutoOrient();
|
|
Size currentSize = i.GetCurrentSize();
|
|
if (currentSize.Height > currentSize.Width)
|
|
{
|
|
i.Resize(options.Resolution, 0);
|
|
}
|
|
else
|
|
{
|
|
i.Resize(0, options.Resolution);
|
|
}
|
|
});
|
|
await img.SaveAsWebpAsync(dest, new WebpEncoder
|
|
{
|
|
FileFormat = options.Format
|
|
});
|
|
}
|
|
|
|
public static async Task<ConvertError[]> ConvertList(string[] src, string dest, ConvertOptions options, Action<double> setProgress)
|
|
{
|
|
double progress = 0;
|
|
List<ConvertError> unconverted = [];
|
|
await Parallel.ForEachAsync(src, new ParallelOptions { MaxDegreeOfParallelism = Environment.ProcessorCount }, async (path, _) =>
|
|
{
|
|
string filename = path.Split(Path.DirectorySeparatorChar).Last();
|
|
string[] splitted = filename.Split('.');
|
|
splitted[^1] = "webp";
|
|
try
|
|
{
|
|
await Convert(path, dest + Path.DirectorySeparatorChar + string.Join(".", splitted), options);
|
|
}
|
|
catch (UnknownImageFormatException)
|
|
{
|
|
unconverted.Add(new ConvertError(filename, "Das Dateiformat wird nicht unterstützt."));
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
unconverted.Add(new ConvertError(filename, e.Message));
|
|
}
|
|
progress += 1.0 / src.Length;
|
|
setProgress(progress);
|
|
});
|
|
return [.. unconverted];
|
|
}
|
|
}
|
|
|
|
public readonly struct ConvertOptions(string? resolution, uint format)
|
|
{
|
|
public int Resolution { get; init; } = resolution != null ? Convert.ToInt32(resolution) : 1440;
|
|
public WebpFileFormatType Format { get; init; } = format == 1 ? WebpFileFormatType.Lossless : WebpFileFormatType.Lossy;
|
|
}
|
|
|
|
public readonly struct ConvertError(string file, string message)
|
|
{
|
|
public string File { get; init; } = file;
|
|
public string Message { get; init; } = message;
|
|
} |