static BitmapSource TryLoadImage(ImageSourceInfo img, Size size)
{
try
{
var uri = new Uri(img.Uri, UriKind.RelativeOrAbsolute);
var info = Application.GetResourceStream(uri);
if (info.ContentType.Equals("application/xaml+xml", StringComparison.OrdinalIgnoreCase) || info.ContentType.Equals("application/baml+xml", StringComparison.OrdinalIgnoreCase))
{
var component = Application.LoadComponent(uri);
if (component is FrameworkElement elem)
{
return(ResizeElement(elem, size));
}
return(null);
}
else if (info.ContentType.StartsWith("image/", StringComparison.OrdinalIgnoreCase))
{
var decoder = BitmapDecoder.Create(info.Stream, BitmapCreateOptions.None, BitmapCacheOption.OnDemand);
if (decoder.Frames.Count == 0)
{
return(null);
}
return(ResizeImage(decoder.Frames[0], size));
}
else
{
return(null);
}
}
catch
{
return(null);
}
}
static BitmapSource TryGetImage(ImageSourceInfo img, Size size)
{
if (img is null)
{
return(null);
}
var key = new ImageKey(img.Uri, size);
BitmapSource image;
if (imageCache.TryGetValue(key, out var bmp))
{
return(bmp);
}
image = TryLoadImage(img, size);
if (image is null)
{
return(null);
}
imageCache[key] = image;
return(image);
}
void InitializeResources()
{
if (nameToInfosDict != null)
{
return;
}
var dict = new Dictionary <string, List <ImageSourceInfo> >(StringComparer.InvariantCultureIgnoreCase);
var asmName = assembly.GetName();
var rsrcName = asmName.Name + ".g.resources";
try {
var baseUri = "/" + asmName.Name + ";v" + asmName.Version + ";component/";
using (var mod = ModuleDefMD.Load(assembly.ManifestModule)) {
var rsrc = mod.Resources.Find(rsrcName) as EmbeddedResource;
Debug.Assert(rsrc != null);
if (rsrc != null)
{
var set = ResourceReader.Read(mod, rsrc.Data);
foreach (var elem in set.ResourceElements)
{
const string imagesPrefix = "images/";
if (elem.Name != null && elem.Name.StartsWith(imagesPrefix, StringComparison.OrdinalIgnoreCase))
{
var imageName = elem.Name.Substring(imagesPrefix.Length);
var nameNoExt = RemoveExtension(imageName);
string nameKey = null;
ImageSourceInfo?info = null;
if (imageName.EndsWith(".xaml", StringComparison.OrdinalIgnoreCase) || imageName.EndsWith(".baml", StringComparison.OrdinalIgnoreCase))
{
nameKey = nameNoExt;
info = new ImageSourceInfo {
Uri = baseUri + RemoveExtension(elem.Name) + ".xaml",
Size = ImageSourceInfo.AnySize,
};
}
else if (imageName.EndsWith(".png", StringComparison.OrdinalIgnoreCase))
{
info = new ImageSourceInfo {
Uri = baseUri + elem.Name,
Size = GetImageSize(nameNoExt, out nameKey) ?? new Size(16, 16),
};
}
if (info != null && nameKey != null)
{
List <ImageSourceInfo> list;
if (!dict.TryGetValue(nameKey, out list))
{
dict.Add(nameKey, list = new List <ImageSourceInfo>());
}
list.Add(info.Value);
}
}
}
}
}
}
catch {
Debug.Fail($"Failed to load resources from {assembly}");
}
var dict2 = new Dictionary <string, ImageSourceInfo[]>(dict.Count, StringComparer.InvariantCultureIgnoreCase);
foreach (var kv in dict)
{
dict2[kv.Key] = kv.Value.ToArray();
}
nameToInfosDict = dict2;
}