/// <summary>
/// Uploads the image to Cognitive Services and generates a bounding rectangle representing the area of interest.
/// </summary>
/// <param name="imageFilePath">The image file path.</param>
/// <returns>Awaitable AreaOfInterest result.</returns>
private async Task <AreaOfInterestResult> UploadAndGenerateImageAreaOfInterestAsync(string imageFilePath)
{
// -----------------------------------------------------------------------
// KEY SAMPLE CODE STARTS HERE
// -----------------------------------------------------------------------
//
// Create Cognitive Services Vision API Service client.
//
using (var client = new ComputerVisionClient(Credentials)
{
Endpoint = Endpoint
})
{
Log("ComputerVisionClient is created");
using (Stream imageFileStream = File.OpenRead(imageFilePath))
{
//
// Upload an image and generate the area of interest.
//
Log("Calling ComputerVisionClient.GetAreaOfInterestInStreamAsync()...");
return(await client.GetAreaOfInterestInStreamAsync(imageFileStream));
}
}
// -----------------------------------------------------------------------
// KEY SAMPLE CODE ENDS HERE
// -----------------------------------------------------------------------
}
// Analyze a local image
private static async Task GetAreaOfInterestFromStreamAsync(ComputerVisionClient computerVision, string imagePath)
{
if (!File.Exists(imagePath))
{
Console.WriteLine("\nUnable to open or read local image path:\n{0} \n", imagePath);
return;
}
using (Stream imageStream = File.OpenRead(imagePath))
{
AreaOfInterestResult analysis = await computerVision.GetAreaOfInterestInStreamAsync(imageStream);
Console.WriteLine(imagePath);
DisplayAreaOfInterest(analysis);
}
}
private Task <AreaOfInterestResult> ComputerVisionGetAreaOfInterestByStreamAsync(Stream imageStream)
{
return(_computerVisionClient.GetAreaOfInterestInStreamAsync(imageStream));
}
