|
public GetElementById ( string elementId ) : |
||
| elementId | string | |
| return | ||
public XmlNode GetNodeByUri(string absoluteUrl)
{
absoluteUrl = absoluteUrl.Trim();
if (absoluteUrl.StartsWith("#") || absoluteUrl.StartsWith("\"#"))
{
absoluteUrl = absoluteUrl.Replace("#", "").Replace("\"", "");
return(GetElementById(absoluteUrl));
//return GetElementById(absoluteUrl.Substring(1));
}
else
{
Uri docUri = ResolveUri("");
Uri absoluteUri = new Uri(absoluteUrl);
string fragment = absoluteUri.Fragment;
if (fragment.Length == 0)
{
// no fragment => return entire document
if (docUri.AbsolutePath == absoluteUri.AbsolutePath)
{
return(this);
}
else
{
SvgDocument doc = new SvgDocument((SvgWindow)Window);
XmlReaderSettings settings = this.GetXmlReaderSettings();
settings.CloseInput = true;
//PrepareXmlResolver(settings);
using (XmlReader reader = XmlReader.Create(
GetResource(absoluteUri).GetResponseStream(), settings,
absoluteUri.AbsolutePath))
{
doc.Load(reader);
}
return(doc);
}
}
else
{
// got a fragment => return XmlElement
string noFragment = absoluteUri.AbsoluteUri.Replace(fragment, "");
SvgDocument doc = (SvgDocument)GetNodeByUri(new Uri(noFragment));
return(doc.GetElementById(fragment.Substring(1)));
}
}
}
public void TestDataImage()
{
string testData = "<?xml version='1.0'?>\n<svg xmlns='http://www.w3.org/2000/svg' xmlns:xlink='http://www.w3.org/1999/xlink'><image id='theImage' width='50' height='50' xlink:href='data:image/gif;base64,R0lGODdhMAAwAPAAAAAAAP///ywAAAAAMAAwAAAC8IyPqcvt3wCcDkiLc7C0qwyGHhSWpjQu5yqmCYsapyuvUUlvONmOZtfzgFzByTB10QgxOR0TqBQejhRNzOfkVJ+5YiUqrXF5Y5lKh/DeuNcP5yLWGsEbtLiOSpa/TPg7JpJHxyendzWTBfX0cxOnKPjgBzi4diinWGdkF8kjdfnycQZXZeYGejmJlZeGl9i2icVqaNVailT6F5iJ90m6mvuTS4OK05M0vDk0Q4XUtwvKOzrcd3iq9uisF81M1OIcR7lEewwcLp7tuNNkM3uNna3F2JQFo97Vriy/Xl4/f1cf5VWzXyym7PHhhx4dbgYKAAA7'/></svg>";
SvgWindow wnd = new SvgWindow(50, 50, null);
SvgDocument doc = new SvgDocument(wnd);
doc.LoadXml(testData);
SvgImageElement imgElm = doc.GetElementById("theImage") as SvgImageElement;
Assert.IsNotNull(imgElm);
Assert.IsTrue(!imgElm.IsSvgImage, "IsSvgImage");
Bitmap bmp = imgElm.Bitmap;
Assert.AreEqual(48, bmp.Width);
Assert.AreEqual(48, bmp.Height);
}
public XmlNode GetNodeByUri(string absoluteUrl)
{
absoluteUrl = absoluteUrl.Trim();
if (absoluteUrl.StartsWith("#"))
{
return(GetElementById(absoluteUrl.Substring(1)));
}
else
{
Uri docUri = ResolveUri("");
Uri absoluteUri = new Uri(absoluteUrl);
string fragment = absoluteUri.Fragment;
if (fragment.Length == 0)
{
// no fragment => return entire document
if (docUri.AbsolutePath == absoluteUri.AbsolutePath)
{
return(this);
}
else
{
SvgDocument doc = new SvgDocument((SvgWindow)Window);
XmlTextReader xtr = new XmlTextReader(absoluteUri.AbsolutePath, GetResource(absoluteUri).GetResponseStream());
XmlValidatingReader vr = new XmlValidatingReader(xtr);
vr.ValidationType = ValidationType.None;
doc.Load(vr);
return(doc);
}
}
else
{
// got a fragment => return XmlElement
string noFragment = absoluteUri.AbsoluteUri.Replace(fragment, "");
SvgDocument doc = (SvgDocument)GetNodeByUri(new Uri(noFragment, true));
return(doc.GetElementById(fragment.Substring(1)));
}
}
}
public XmlNode GetNodeByUri(string absoluteUrl)
{
if (string.IsNullOrWhiteSpace(absoluteUrl))
{
return(null);
}
absoluteUrl = absoluteUrl.Trim().Trim(new char[] { '\"', '\'' });
if (absoluteUrl.StartsWith("#", StringComparison.OrdinalIgnoreCase))
{
return(GetElementById(absoluteUrl.Substring(1)));
}
Uri docUri = ResolveUri("");
Uri absoluteUri = new Uri(absoluteUrl);
if (absoluteUri.IsFile)
{
string localFile = absoluteUri.LocalPath;
if (File.Exists(localFile) == false)
{
Trace.TraceError("GetNodeByUri: Locally referenced file not found: " + localFile);
return(null);
}
string fileExt = Path.GetExtension(localFile);
if (!string.Equals(fileExt, ".svg", StringComparison.OrdinalIgnoreCase) &&
!string.Equals(fileExt, ".svgz", StringComparison.OrdinalIgnoreCase))
{
Trace.TraceError("GetNodeByUri: Locally referenced file not valid: " + localFile);
return(null);
}
}
if (string.Equals(absoluteUri.Scheme, "data", StringComparison.OrdinalIgnoreCase))
{
Trace.TraceError("GetNodeByUri: The Uri Scheme is 'data' is not a valid XmlDode " + absoluteUri);
return(null);
}
string fragment = absoluteUri.Fragment;
if (fragment.Length == 0)
{
// no fragment => return entire document
if (docUri != null && string.Equals(docUri.AbsolutePath,
absoluteUri.AbsolutePath, StringComparison.OrdinalIgnoreCase))
{
return(this);
}
SvgDocument doc = new SvgDocument((SvgWindow)Window);
XmlReaderSettings settings = this.GetXmlReaderSettings();
settings.CloseInput = true;
//PrepareXmlResolver(settings);
using (XmlReader reader = XmlReader.Create(GetResource(absoluteUri).GetResponseStream(),
settings, absoluteUri.AbsolutePath))
{
doc.Load(reader);
}
return(doc);
}
else
{
// got a fragment => return XmlElement
string noFragment = absoluteUri.AbsoluteUri.Replace(fragment, "");
SvgDocument doc = (SvgDocument)GetNodeByUri(new Uri(noFragment));
return(doc.GetElementById(fragment.Substring(1)));
}
}