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Add support for prints

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This commit is contained in:
Natsumi
2024-11-16 10:32:43 +13:00
parent f3a81ba702
commit f56f1b8a83
9 changed files with 278 additions and 9 deletions
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51
Dotnet/ScreenshotMetadata/ScreenshotHelper.cs
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@@ -4,6 +4,7 @@ using System.IO;
using System.Linq;
using System.Numerics;
using System.Text;
using System.Xml;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using NLog;
@@ -172,6 +173,18 @@ namespace VRCX
// If not JSON metadata, return early so we're not throwing/catching pointless exceptions
if (!metadataString.StartsWith("{"))
{
// parse VRC prints
var xmlIndex = metadataString.IndexOf("<x:xmpmeta");
if (xmlIndex != -1)
{
var xmlString = metadataString.Substring(xmlIndex);
// everything after index
var result = ParseVRCPrint(xmlString.Substring(xmlIndex - 7));
result.SourceFile = path;
return result;
}
logger.ConditionalDebug("Screenshot file '{0}' has unknown non-JSON metadata:\n{1}\n", path, metadataString);
return ScreenshotMetadata.JustError(path, "File has unknown non-JSON metadata.");
}
@@ -193,6 +206,44 @@ namespace VRCX
return ScreenshotMetadata.JustError(path, "Failed to parse screenshot metadata JSON. Check logs.");
}
}
public static ScreenshotMetadata ParseVRCPrint(string xmlString)
{
var doc = new XmlDocument();
doc.LoadXml(xmlString);
var root = doc.DocumentElement;
var nsManager = new XmlNamespaceManager(doc.NameTable);
nsManager.AddNamespace("x", "adobe:ns:meta/");
nsManager.AddNamespace("rdf", "http://www.w3.org/1999/02/22-rdf-syntax-ns#");
nsManager.AddNamespace("xmp", "http://ns.adobe.com/xap/1.0/");
nsManager.AddNamespace("tiff", "http://ns.adobe.com/tiff/1.0/");
nsManager.AddNamespace("dc", "http://purl.org/dc/elements/1.1/");
nsManager.AddNamespace("vrc", "http://ns.vrchat.com/vrc/1.0/");
var creatorTool = root.SelectSingleNode("//xmp:CreatorTool", nsManager)?.InnerText;
var authorId = root.SelectSingleNode("//xmp:Author", nsManager)?.InnerText;
var dateTime = root.SelectSingleNode("//tiff:DateTime", nsManager)?.InnerText;
var note = root.SelectSingleNode("//dc:title/rdf:Alt/rdf:li", nsManager)?.InnerText;
var worldId = root.SelectSingleNode("//vrc:World", nsManager)?.InnerText;
return new ScreenshotMetadata
{
Application = creatorTool,
Version = 1,
Author = new ScreenshotMetadata.AuthorDetail
{
Id = authorId,
DisplayName = null
},
World = new ScreenshotMetadata.WorldDetail
{
Id = worldId,
InstanceId = worldId,
Name = null
},
Timestamp = DateTime.TryParse(dateTime, out var dt) ? dt : null,
Note = note
};
}
/// <summary>
/// Writes a text description into a PNG file at the specified path.