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#229 Resize cover Images if requested

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Glax
2024-08-26 19:34:29 +02:00
parent 3c3f7bb95a
commit e95eb0497c
4 changed files with 54 additions and 34 deletions
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35
Tranga/Server/v2Manga.cs
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@ -1,4 +1,6 @@
using System.Net;
using System.Drawing;
using System.Drawing.Imaging;
using System.Net;
using System.Text.RegularExpressions;
using Tranga.Jobs;
using Tranga.MangaConnectors;
@ -77,12 +79,37 @@ public partial class Server
manga is null)
return new ValueTuple<HttpStatusCode, object?>(HttpStatusCode.NotFound, $"Manga with ID '{groups[1].Value} could not be found.'");
string filePath = manga.Value.coverFileNameInCache!;
if (File.Exists(filePath))
if(!File.Exists(filePath))
return new ValueTuple<HttpStatusCode, object?>(HttpStatusCode.NotFound, "Cover-File not found.");
Bitmap bitmap;
if (requestParameters.TryGetValue("dimensions", out string? dimensionsStr))
{
Regex dimensionsRex = new(@"([0-9]+)x([0-9]+)");
if(!dimensionsRex.IsMatch(dimensionsStr))
return new ValueTuple<HttpStatusCode, object?>(HttpStatusCode.BadRequest, "Requested dimensions not in required format.");
Match m = dimensionsRex.Match(dimensionsStr);
int width = int.Parse(m.Groups[1].Value);
int height = int.Parse(m.Groups[2].Value);
double aspectRequested = (double)width / (double)height;
using Image coverImage = Image.FromFile(filePath);
double aspectCover = (double)coverImage.Width / (double)coverImage.Height;
Size newSize = aspectRequested > aspectCover
? new Size(width, (width / coverImage.Width) * coverImage.Height)
: new Size((height / coverImage.Height) * coverImage.Width, height);
bitmap = new(coverImage, newSize);
}
else
{
FileStream coverStream = new(filePath, FileMode.Open);
return new ValueTuple<HttpStatusCode, object?>(HttpStatusCode.OK, coverStream);
bitmap = new(coverStream);
}
return new ValueTuple<HttpStatusCode, object?>(HttpStatusCode.NotFound, "Cover-File not found.");
using MemoryStream ret = new();
bitmap.Save(ret, ImageFormat.Jpeg);
return new ValueTuple<HttpStatusCode, object?>(HttpStatusCode.OK, ret);
}
private ValueTuple<HttpStatusCode, object?> GetV2MangaInternalIdChapters(GroupCollection groups, Dictionary<string, string> requestParameters)