static Bitmap SmartCropImage(Bitmap sourceImage)
{
VisionServiceClient VisionServiceClient = ComputerVisionService.GetClient();
using (MemoryStream memoryStream = new MemoryStream())
{
sourceImage.SaveAsPng(memoryStream);
memoryStream.Position = 0;
int width = sourceImage.Width;
int height = (int)(sourceImage.Width / 16.0f * 9.0f * 1.2f); // Set it to a 16:9 with an extra 20% to increase the overall size
Console.WriteLine("Original Width: " + sourceImage.Width + " Original Height: " + sourceImage.Height + " Cropped Height: " + height);
if (sourceImage.Height > height)
{
Console.WriteLine("Calling VisionServiceClient.GetThumbnailAsync()...");
byte[] bytes = VisionServiceClient.GetThumbnailAsync(memoryStream, width, height).GetAwaiter().GetResult();
Bitmap croppedImage = Image.Load(bytes);
return(croppedImage);
}
else
{
Console.WriteLine("Image was already small. No reason to crop");
return(sourceImage);
}
}
}
public static AnalysisResult AnalyzeImage(Bitmap sourceImage)
{
VisionServiceClient VisionServiceClient = ComputerVisionService.GetClient();
using (MemoryStream memoryStream = new MemoryStream())
{
sourceImage.SaveAsPng(memoryStream);
memoryStream.Position = 0;
Console.WriteLine("Calling VisionServiceClient.AnalyzeImageAsync()...");
VisualFeature[] visualFeatures = new VisualFeature[] {
VisualFeature.Adult,
VisualFeature.Color,
VisualFeature.Description,
VisualFeature.ImageType
};
try
{
AnalysisResult analysisResult = VisionServiceClient.AnalyzeImageAsync(memoryStream, visualFeatures).GetAwaiter().GetResult();
return(analysisResult);
}
catch (Microsoft.ProjectOxford.Vision.ClientException exception)
{
Console.WriteLine(exception.Error.Message);
Console.WriteLine(exception.Error.Code);
throw exception;
}
}
}
public static OcrResults AnalyzeText(Bitmap sourceImage)
{
Microsoft.ProjectOxford.Vision.VisionServiceClient visionServiceClient = ComputerVisionService.GetClient();
using (MemoryStream memoryStream = new MemoryStream())
{
sourceImage.SaveAsPng(memoryStream);
memoryStream.Position = 0;
Console.WriteLine("Calling VisionServiceClient.RecognizeTextAsyncs()...");
return(visionServiceClient.RecognizeTextAsync(memoryStream).GetAwaiter().GetResult());
}
}
public static CelebrityAnalysisResult AnalyzeImageForCelebrities(Bitmap sourceImage)
{
VisionServiceClient VisionServiceClient = ComputerVisionService.GetClient();
using (MemoryStream memoryStream = new MemoryStream())
{
sourceImage.SaveAsPng(memoryStream);
memoryStream.Position = 0;
Console.WriteLine("Calling VisionServiceClient.AnalyzeImageInDomainAsync()...");
// This is how you'd recognize celebrities like Henry Clay
Microsoft.ProjectOxford.Vision.Contract.AnalysisInDomainResult result = VisionServiceClient.AnalyzeImageInDomainAsync(memoryStream, "celebrities").GetAwaiter().GetResult();
Newtonsoft.Json.Linq.JObject jsonObj = result.Result as Newtonsoft.Json.Linq.JObject;
CelebrityAnalysisResult celebResult = jsonObj.ToObject <CelebrityAnalysisResult>() as CelebrityAnalysisResult;
return(celebResult);
}
}
