public SvgLayer CreateSvgLayer(string name)
{
SvgLayer layer = new SvgLayer(this, name);
Layers.Add(layer);
CurrentLayer = layer;
return(layer);
}
private static async Task <List <SvgLayer> > ParseSvgLayers(string filePath)
{
if (Path.GetExtension(filePath) == ".zip")
{
Console.WriteLine($"Terrain data loading from ZIP");
var zip = ZipFile.Open(filePath, ZipArchiveMode.Read);
var zipRef = new SharedDisposable <ZipArchive>(zip); //This ref will later do the disposing
List <SvgLayer> ret = new List <SvgLayer>();
foreach (var zipArchiveEntry in zip.Entries)
{
var layer = new SvgLayer();
layer.name = zipArchiveEntry.FullName;
layer.content = new MapLayerDataZipFile(zipArchiveEntry, zipRef.Acquire());
layer.width = (int)zipArchiveEntry.LastWriteTime.Add(zipArchiveEntry.LastWriteTime.Offset).AddYears(-30).ToUnixTimeSeconds();
ret.Add(layer);
}
return(ret);
}
if (Path.GetExtension(filePath) == ".svgz")
{
Console.WriteLine($"Terrain data is SVGZ, converting to zip...");
//process raw first
await Task.Run(() => ProcessRawSVGZ(filePath));
filePath = Path.ChangeExtension(filePath, "zip");
return(await Task.Run(() => ParseSvgLayers(filePath))); //Force seperate thread, as this is slow
}
if (Path.GetExtension(filePath) == ".svg")
{
Console.WriteLine($"Terrain data is SVG, converting to zip...");
//process raw first
await Task.Run(() => ProcessRawSVG(filePath));
filePath = Path.ChangeExtension(filePath, "zip");
return(await Task.Run(() => ParseSvgLayers(filePath))); //Force seperate thread, as this is slow
}
return(null);
}
private static List <SvgLayer> SplitSVG(Stream input)
{
List <SvgLayer> ret = new List <SvgLayer>();
using (var reader = XmlReader.Create(input, xmlReaderSettings, CreateSvgXmlContext()))
{
var xdoc = XDocument.Load(reader);
var svg = xdoc.Root;
var ns = svg.Name.Namespace;
var mainAttributes = svg.Attributes();
var defs = svg.Element(ns + "defs");
var widthAttr = svg.Attribute("width");
var terrainWidth = int.Parse(widthAttr.Value);
//Change land color from pure white to a better gray
foreach (var def in defs.Descendants())
{
if (def.Attribute("id")?.Value == "colorLand")
{
def.Descendants(ns + "stop").First().SetAttributeValue("stop-color", "#DFDFDF");
}
if (def.Attribute("type")?.Value == "text/css")
{
// https://github.com/svg-net/SVG/issues/861
def.SetValue(def.Value.Replace(": 4; };", ": 4; }"));
}
}
List <XElement> layers = new List <XElement>();
List <XElement> rootElements = new List <XElement>();
foreach (var xElement in svg.Elements())
{
if (xElement.Name == ns + "g")
{
layers.Add(xElement);
}
else
{
rootElements.Add(xElement);
}
}
XDocument bareDoc = new XDocument(xdoc);
List <XElement> toRemove = new List <XElement>();
foreach (var xElement in bareDoc.Root.Elements())
{
if (xElement.Name == ns + "g")
{
toRemove.Add(xElement);
}
}
toRemove.ForEach(x => x.Remove());
//var test = bareDoc.ToString();
foreach (var xElement in layers)
{
if (xElement.Attribute("id").Value == "grid")
{
continue;
}
XDocument newDoc = new XDocument(bareDoc);
newDoc.Root.Add(xElement);
SvgLayer x = new SvgLayer
{
name = xElement.Attribute("id").Value,
content = new MapLayerDataMemory(newDoc.ToString()),
width = terrainWidth
};
ret.Add(x);
}
}
return(ret);
}
private SvgImage(SvgLayer root)
{
this.root = root;
}
