| public static FromCustomLoader ( IImageLoader loader, string fileName ) : Image | ||
| loader | IImageLoader | |
| fileName | string | |
| Résultat | Image | |
public NativeImageRef LoadForToolkit(Toolkit targetToolkit)
{
if (Toolkit == targetToolkit)
{
return(this);
}
NativeImageRef newRef = null;
var r = NextRef;
while (r != this)
{
if (r.toolkit == targetToolkit)
{
newRef = r;
break;
}
r = r.NextRef;
}
if (newRef != null)
{
return(newRef);
}
object newBackend = null;
if (sources != null)
{
var frames = new List <object> ();
foreach (var s in sources)
{
if (s.ImageLoader != null)
{
var streams = s.ImageLoader();
try {
if (streams.Length == 1)
{
newBackend = targetToolkit.ImageBackendHandler.LoadFromStream(streams [0]);
}
else
{
var backends = new object [streams.Length];
for (int n = 0; n < backends.Length; n++)
{
backends [n] = targetToolkit.ImageBackendHandler.LoadFromStream(streams [n]);
}
newBackend = targetToolkit.ImageBackendHandler.CreateMultiResolutionImage(backends);
}
} finally {
foreach (var st in streams)
{
st.Dispose();
}
}
}
else if (s.CustomImageLoader != null)
{
targetToolkit.Invoke(() => newBackend = Image.FromCustomLoader(s.CustomImageLoader, s.Source, s.Tags).GetBackend());
}
else if (s.ResourceAssembly != null)
{
targetToolkit.Invoke(() => newBackend = Image.FromResource(s.ResourceAssembly, s.Source).GetBackend());
}
else if (s.Source != null)
{
targetToolkit.Invoke(() => newBackend = Image.FromFile(s.Source).GetBackend());
}
else if (s.DrawCallback != null)
{
newBackend = targetToolkit.ImageBackendHandler.CreateCustomDrawn(s.DrawCallback);
}
else if (s.StockId != null)
{
newBackend = targetToolkit.GetStockIcon(s.StockId).GetBackend();
}
else
{
throw new NotSupportedException();
}
frames.Add(newBackend);
}
newBackend = targetToolkit.ImageBackendHandler.CreateMultiSizeIcon(frames);
}
else
{
using (var s = new MemoryStream()) {
toolkit.ImageBackendHandler.SaveToStream(backend, s, ImageFileType.Png);
s.Position = 0;
newBackend = targetToolkit.ImageBackendHandler.LoadFromStream(s);
}
}
newRef = new NativeImageRef(newBackend, targetToolkit);
newRef.NextRef = NextRef;
NextRef = newRef;
return(newRef);
}