public static async Task <UIImage> GetUIImage(this ImageSource imageSource, CancellationToken cancellationToken)
{
try
{
IImageSourceHandler handler = null;
if (imageSource is FileImageSource)
{
handler = new FileImageSourceHandler();
}
else if (imageSource is StreamImageSource)
{
handler = new StreamImagesourceHandler();
}
else if (imageSource is UriImageSource)
{
handler = new ImageLoaderSourceHandler();
}
else
{
throw new NotImplementedException("Image source type is not supported.");
}
using (var image = await handler.LoadImageAsync(imageSource, cancellationToken, (float)UIScreen.MainScreen.Scale))
//using (var image = await handler.LoadImageAsync(imageSource))
{
if (image == null)
{
return(null);
}
UIGraphics.BeginImageContext(image.Size);
image.Draw(new CGRect(0, 0, image.Size.Width, image.Size.Height));
return(UIGraphics.GetImageFromCurrentImageContext());
}
//return handler.LoadImageAsync (imageSource, cancellationToken, (float)UIScreen.MainScreen.Scale);
}
catch (Exception ex)
{
return(null);
}
}
public static Task <Bitmap> GetImage(this ImageSource imageSource)
{
IImageSourceHandler handler = null;
if (imageSource is FileImageSource)
{
handler = new FileImageSourceHandler();
}
else if (imageSource is StreamImageSource)
{
handler = new StreamImagesourceHandler();
}
else if (imageSource is UriImageSource)
{
handler = new ImageLoaderSourceHandler();
}
else
{
throw new NotImplementedException("Image source type is not supported.");
}
return(handler.LoadImageAsync(imageSource, Forms.Context));
}