/// <summary>
/// Gets the stream for the given icon resource request.
/// </summary>
/// <param name="request">Request object for the icon resource.</param>
/// <param name="extension">Returns the extension to describe the type of resource.</param>
/// <returns>A valid Stream if the icon resource found successfully else null.</returns>
public override Stream GetResource(IRequest request, out string extension)
{
//Create IconUrl to parse the request.Url to icon name and path.
var icon = new IconUrl(new Uri(request.Url));
var stream = GetIconStream(icon, out extension);
if (stream == null)
{
stream = GetDefaultIconStream(out extension);
}
return(stream);
}
/// <summary>
/// Gets the stream for the given icon resource request.
/// </summary>
/// <param name="request">Request object for the icon resource.</param>
/// <param name="extension">Returns the extension to describe the type of resource.</param>
/// <returns>A valid Stream if the icon resource found successfully else null.</returns>
public override Stream GetResource(IRequest request, out string extension)
{
//Create IconUrl to parse the request.Url to icon name and path.
var icon = new IconUrl(new Uri(request.Url));
//if (request.Url.Contains("Geometry"))
//{
// System.Diagnostics.Trace.WriteLine("请看大宝贝儿");
// System.Diagnostics.Trace.WriteLine(request.Url);
//}
var stream = GetIconStream(icon, out extension);
if (stream == null)
{
stream = GetDefaultIconStream(out extension);
}
return(stream);
}
/// <summary>
/// Gets the stream for the given icon resource
/// </summary>
/// <param name="icon">Icon Url</param>
/// <param name="extension">Returns the extension to describe the type of resource.</param>
/// <returns>A valid Stream if the icon resource found successfully else null.</returns>
private Stream GetIconStream(IconUrl icon, out string extension)
{
extension = "png";
var path = Path.GetFullPath(icon.Path); //Get full path if it's a relative path.
var libraryCustomization = LibraryCustomizationServices.GetForAssembly(path, pathManager, true);
if (libraryCustomization == null)
{
return(null);
}
var assembly = libraryCustomization.ResourceAssembly;
if (assembly == null)
{
return(null);
}
// "Name" can be "Some.Assembly.Name.customization" with multiple dots,
// we are interested in removal of the "customization" part and the middle dots.
var temp = assembly.GetName().Name.Split('.');
var assemblyName = String.Join("", temp.Take(temp.Length - 1));
var rm = new ResourceManager(assemblyName + imagesSuffix, assembly);
using (var image = (Bitmap)rm.GetObject(icon.Name))
{
if (image == null)
{
return(null);
}
var stream = new MemoryStream();
image.Save(stream, ImageFormat.Png);
return(stream);
}
}