/// <summary>
/// Sends a URL to Cognitive Services and generates a bounding rectangle representing the area of interest.
/// </summary>
/// <param name="imageUrl">The URL of the image for which to generate the area of interest.</param>
/// <returns>Awaitable AreaOfInterest result.</returns>
private async Task <AreaOfInterestResult> GenerateImageAreaOfInterestAsync(string imageUrl)
{
// -----------------------------------------------------------------------
// KEY SAMPLE CODE STARTS HERE
// -----------------------------------------------------------------------
//
// Create Cognitive Services Vision API Service client.
//
using (var client = new ComputerVisionClient(Credentials)
{
Endpoint = Endpoint
})
{
Log("ComputerVisionClient is created");
//
// Generate the area of interest for the given URL.
//
Log("Calling ComputerVisionClient.GetAreaOfInterestAsync()...");
return(await client.GetAreaOfInterestAsync(imageUrl));
}
// -----------------------------------------------------------------------
// KEY SAMPLE CODE ENDS HERE
// -----------------------------------------------------------------------
}
// Analyze a remote image
private static async Task GetAreaOfInterestFromUrlAsync(ComputerVisionClient computerVision, string imageUrl)
{
if (!Uri.IsWellFormedUriString(imageUrl, UriKind.Absolute))
{
Console.WriteLine("\nInvalid remote image url:\n{0} \n", imageUrl);
return;
}
AreaOfInterestResult analysis = await computerVision.GetAreaOfInterestAsync(imageUrl);
Console.WriteLine(imageUrl);
DisplayAreaOfInterest(analysis);
}
private Task <AreaOfInterestResult> ComputerVisionGetAreaOfInterestByUrlAsync(string imageUrl)
{
return(_computerVisionClient.GetAreaOfInterestAsync(imageUrl));
}
