public Task <IBitmap> LoadFromResource(string source, float?desiredWidth, float?desiredHeight)
{
var tcs = new TaskCompletionSource <IBitmap>();
UIApplication.SharedApplication.InvokeOnMainThread(() => {
try {
#if UIKIT
var bitmap = UIImage.FromBundle(source);
#else
var bitmap = UIImage.ImageNamed(source);
#endif
if (bitmap == null)
{
throw new Exception("Failed to load image from resource: " + source);
}
tcs.TrySetResult(new CocoaBitmap(bitmap));
} catch (Exception ex) {
tcs.TrySetException(ex);
}
});
return(tcs.Task);
}
private async Task <DataResolverResult> ResolveFromNamedResourceAsync(string fileName, string identifier, TaskParameter parameters, CancellationToken token)
{
PImage image = null;
try
{
#if __IOS__ || __TVOS__
await ImageService.Instance.Config.MainThreadDispatcher.PostAsync(() => image = PImage.FromBundle(identifier)).ConfigureAwait(false);
#elif __MACOS__
await ImageService.Instance.Config.MainThreadDispatcher.PostAsync(() => image = PImage.ImageNamed(identifier)).ConfigureAwait(false);
#endif
}
catch { }
if (image == null && fileName != identifier)
{
try
{
#if __IOS__ || __TVOS__
await ImageService.Instance.Config.MainThreadDispatcher.PostAsync(() => image = PImage.FromBundle(fileName)).ConfigureAwait(false);
#elif __MACOS__
await ImageService.Instance.Config.MainThreadDispatcher.PostAsync(() => image = PImage.ImageNamed(fileName)).ConfigureAwait(false);
#endif
}
catch { }
}
if (image != null)
{
token.ThrowIfCancellationRequested();
var imageInformation = new ImageInformation();
imageInformation.SetPath(identifier);
imageInformation.SetFilePath(null);
var container = new DecodedImage <object>()
{
Image = image
};
var result = new DataResolverResult(container, LoadingResult.CompiledResource, imageInformation);
return(result);
}
return(null);
}
/// <summary>
/// Initializes a new instance of the <see cref="Rotation.SourceListItem"/> class.
/// </summary>
/// <param name="title">Title.</param>
/// <param name="icon">Icon.</param>
public SourceListItem(string title, string icon)
{
// Initialize
this._title = title;
this._icon = NSImage.ImageNamed(icon);
}