fikribahru/lilo-stitcher
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change using NetVips to reduce memory load

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Bahru 2025-07-31 23:34:36 +07:00
parent 661c4b955c
commit 49b6f3810d
5 changed files with 210 additions and 220 deletions
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99
Program.cs
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@ -1,61 +1,68 @@
using System.Diagnostics;
using lilo_stitcher_console;
using System.Diagnostics;
using Microsoft.Extensions.Caching.Memory;
namespace LiloStitcher;
public static class Program
{
public static async Task<int> Main(string[] args)
public static async Task<int> Main( string[] args )
{
try
{
try
{
Stopwatch sw = Stopwatch.StartNew();
var begin = sw.ElapsedMilliseconds;
var opt = new Options
{
CanvasRect = "A1:AE55",
CropOffset = [0.4, 0.4],
CropSize = [0.8, 0.8],
OutputScale = 0.5,
OutputPath = "stitched.png"
};
NetVips.NetVips.Init();
NetVips.NetVips.Concurrency = 3;
Stopwatch sw = Stopwatch.StartNew();
var begin = sw.ElapsedMilliseconds;
var opt = new Options
{
CanvasRect = "A1:AE55",
CropOffset = new[] { 0.4, 0.4 },
CropSize = new[] { 0.8, 0.8 },
OutputScale = 0.5,
OutputPath = "stitched.png"
};
string tileFilePath = "../tiles1705"; // should later be directed to the read-only `ASSET_PATH_RO` environment variable
string assetDir = Path.GetFullPath(Path.Combine(Directory.GetCurrentDirectory(), tileFilePath));
string tileFilePath = "../tiles1705"; // should later be directed to the read-only `ASSET_PATH_RO` environment variable
string assetDir = Path.GetFullPath(Path.Combine(Directory.GetCurrentDirectory(), tileFilePath));
using var memCache = new MemoryCache(new MemoryCacheOptions { SizeLimit = 256L * 1024 * 1024 });
var tileCache = new TileCache(memCache);
var loader = new TileLoader(tileCache, assetDir);
var stitcher = new LiloStitcher(loader);
using var memCache = new MemoryCache(new MemoryCacheOptions { SizeLimit = 128L * 1024 * 1024 });
var tileCache = new TileCache(memCache);
var loader = new TileLoader(tileCache, assetDir);
var stitcher = new lilo_stitcher_console.LiloStitcher(loader);
var req = new GenerateRequest(
opt.CanvasRect!,
opt.CropOffset!,
opt.CropSize!,
opt.OutputScale
);
var req = new GenerateRequest(
opt.CanvasRect!,
opt.CropOffset!,
opt.CropSize!,
opt.OutputScale
);
Console.WriteLine("Stitching...");
var pngBytes = await stitcher.CreateImageAsync(req, CancellationToken.None);
Console.WriteLine("Stitching...");
var png = await stitcher.CreateImageAsync(req, CancellationToken.None);
File.Move( png, opt.OutputPath!, overwrite: true );
long bytes = new FileInfo( opt.OutputPath! ).Length;
Console.WriteLine($"Done. Wrote {opt.OutputPath} ({bytes / 1024.0:F1} KB)");
File.WriteAllBytes(opt.OutputPath!, pngBytes);
Console.WriteLine($"Done. Wrote {opt.OutputPath} ({pngBytes.Length / 1024.0:F1} KB)");
Console.WriteLine(sw.ElapsedMilliseconds - begin);
return 0;
}
catch (Exception ex)
{
Console.Error.WriteLine("ERROR: " + ex.Message);
return 1;
}
Console.WriteLine(sw.ElapsedMilliseconds - begin);
return 0;
}
private struct Options
catch( Exception ex )
{
public string? CanvasRect { get; set; }
public double[]? CropOffset { get; set; }
public double[]? CropSize { get; set; }
public double OutputScale { get; set; }
public string? OutputPath { get; set; }
Console.Error.WriteLine( "ERROR: " + ex.Message );
return 1;
}
}
private struct Options
{
public string? CanvasRect { get; set; }
public double[]? CropOffset { get; set; }
public double[]? CropSize { get; set; }
public double OutputScale { get; set; }
public string? OutputPath { get; set; }
}
}