public Task <IImageSourceServiceResult <UIImage>?> GetImageAsync(IFileImageSource imageSource, float scale = 1, CancellationToken cancellationToken = default)
{
if (imageSource.IsEmpty)
{
return(FromResult(null));
}
try
{
var image = imageSource.GetPlatformImage();
if (image == null)
{
throw new InvalidOperationException("Unable to load image file.");
}
var result = new ImageSourceServiceResult(image, () => image.Dispose());
return(FromResult(result));
}
catch (Exception ex)
{
Logger?.LogWarning(ex, "Unable to load image file '{File}'.", imageSource.File);
throw;
}
}
public async Task <IImageSourceServiceResult <Drawable>?> GetDrawableAsync(IFileImageSource imageSource, Context context, CancellationToken cancellationToken = default)
{
if (imageSource.IsEmpty)
{
return(null);
}
var filename = imageSource.File;
try
{
var result = await Glide
.With(context)
.Load(filename, context)
.SubmitAsync(context, cancellationToken)
.ConfigureAwait(false);
if (result == null)
{
throw new InvalidOperationException("Unable to load image file.");
}
return(result);
}
catch (Exception ex)
{
Logger?.LogWarning(ex, "Unable to load image file '{File}'.", filename);
throw;
}
}
internal static UIImage?GetPlatformImage(this IFileImageSource imageSource)
{
var filename = imageSource.File;
return(File.Exists(filename)
? UIImage.FromFile(filename)
: UIImage.FromBundle(filename));
}
public async Task <IImageSourceServiceResult <Image>?> GetImageAsync(IFileImageSource imageSource, Image image, CancellationToken cancellationToken = default)
{
if (imageSource.IsEmpty)
{
return(null);
}
var filename = imageSource.File;
try
{
if (!string.IsNullOrEmpty(filename))
{
var isLoadComplated = await image.LoadAsync(GetPath(filename), cancellationToken);
if (!isLoadComplated)
{
//If it fails, call the Load function to remove the previous image.
image.Load(string.Empty);
throw new InvalidOperationException("Unable to load image file.");
}
var result = new ImageSourceServiceResult(image);
return(result);
}
else
{
throw new InvalidOperationException("Unable to load image file.");
}
}
catch (Exception ex)
{
Logger?.LogWarning(ex, "Unable to load image file '{File}'.", filename);
throw;
}
}
public async Task <IImageSourceServiceResult <WImageSource>?> GetImageSourceAsync(IFileImageSource imageSource, float scale = 1, CancellationToken cancellationToken = default)
{
if (imageSource.IsEmpty)
{
return(null);
}
var filename = imageSource.File;
try
{
var image = await GetLocal(filename) ?? GetAppPackage(filename);
if (image == null)
{
throw new InvalidOperationException("Unable to load image file.");
}
var result = new ImageSourceServiceResult(image);
return(result);
}
catch (Exception ex)
{
Logger?.LogWarning(ex, "Unable to load image file '{File}'.", filename);
throw;
}
}