public IActionResult Post()
{
AmazonTextractClient objTextExtract = new AmazonTextractClient("AKIA23XZGIB6BEUBA5HM", "ePmW8ZsldWdQP3hmillAOMLu+A5b4ePgeBV3+/O5", Amazon.RegionEndpoint.USEast1);
DetectDocumentTextRequest request = new DetectDocumentTextRequest();
byte[] fileData = null;
using (var ms = new MemoryStream())
{
HttpContext.Request.Form.Files[0].CopyTo(ms);
fileData = ms.ToArray();
string s = Convert.ToBase64String(fileData);
// act on the Base64 data
}
request.Document = new Document
{
Bytes = new MemoryStream(fileData)
};
var task = UploadImageForRekognition(objTextExtract, request);
task.Wait();
var result = task.Result;
return(Ok(result));
}
public static void Get_kv_map(string LocalEmploymentFile)
{
var readFile = File.ReadAllBytes(LocalEmploymentFile);
MemoryStream stream = new MemoryStream(readFile);
AmazonTextractClient abcdclient = new AmazonTextractClient();
AnalyzeDocumentRequest analyzeDocumentRequest = new AnalyzeDocumentRequest
{
Document = new Document
{
Bytes = stream
},
FeatureTypes = new List <string>
{
FeatureType.FORMS
}
};
var analyzeDocumentResponse = abcdclient.AnalyzeDocument(analyzeDocumentRequest);
//Get the text blocks
List <Block> blocks = analyzeDocumentResponse.Blocks;
//get key and value maps
List <Block> key_map = new List <Block>();
List <Block> value_map = new List <Block>();
List <Block> block_map = new List <Block>();
foreach (Block block in blocks)
{
var block_id = block.Id;
block_map.Add(block);
if (block.BlockType == BlockType.KEY_VALUE_SET)
{
if (block.EntityTypes.Contains("KEY"))
{
key_map.Add(block);
}
else
{
value_map.Add(block);
}
}
}
//Get Key Value relationship
var getKeyValueRelationship = Get_kv_relationship(key_map, value_map, block_map);
foreach (KeyValuePair <string, string> kvp in getKeyValueRelationship)
{
Console.WriteLine(" {0} : {1}", kvp.Key, kvp.Value);
}
}
public override PageRect OcrAnalyze(Stream stream)
{
var imageStream = new MemoryStream();
stream.CopyTo(imageStream);
imageStream.Position = 0;
stream.Position = 0;
var createAsyncTask = BitmapDecoder.CreateAsync(imageStream.AsRandomAccessStream()).AsTask();
createAsyncTask.Wait();
var bitmapDecoder = createAsyncTask.Result;
var getSoftwareBitmapAsyncTask = bitmapDecoder.GetSoftwareBitmapAsync(BitmapPixelFormat.Bgra8,
BitmapAlphaMode.Premultiplied).AsTask();
getSoftwareBitmapAsyncTask.Wait();
SoftwareBitmap softwareBitmap = getSoftwareBitmapAsyncTask.Result;
var memoryStream = new MemoryStream();
stream.CopyTo(memoryStream);
stream.Position = 0;
memoryStream.Position = 0;
var client = new AmazonTextractClient(AWSAccessKeyId, AWSSecretKey, RegionEndpoint.USEast1);
var detectDocumentTextTask = client.DetectDocumentTextAsync(new Amazon.Textract.Model.DetectDocumentTextRequest
{
Document = new Amazon.Textract.Model.Document {
Bytes = memoryStream
}
});
detectDocumentTextTask.Wait();
var pageRect = new PageRect {
Height = softwareBitmap.PixelHeight,
Width = softwareBitmap.PixelWidth,
LineTexts = detectDocumentTextTask.Result.Blocks.Where(block => block.BlockType == BlockType.LINE).Select(block =>
{
return(new LineText
{
Text = block.Text,
X = (int)(softwareBitmap.PixelWidth * block.Geometry.BoundingBox.Left),
Y = (int)(softwareBitmap.PixelHeight * block.Geometry.BoundingBox.Top)
});
}).ToList()
};
return(pageRect);
}
protected IAmazonTextract CreateClient(AWSCredentials credentials, RegionEndpoint region)
{
var config = new AmazonTextractConfig {
RegionEndpoint = region
};
Amazon.PowerShell.Utils.Common.PopulateConfig(this, config);
this.CustomizeClientConfig(config);
var client = new AmazonTextractClient(credentials, config);
client.BeforeRequestEvent += RequestEventHandler;
client.AfterResponseEvent += ResponseEventHandler;
return(client);
}
public override async Task RunCommand(object sender)
{
var engine = (IAutomationEngineInstance)sender;
var vAccessKey = (string)await v_AccessKey.EvaluateCode(engine);
var vSecretKey = (string)await v_SecretKey.EvaluateCode(engine);
var ocrRequest = new DetectDocumentTextRequest();
MemoryStream memStream = new MemoryStream();
if (v_ImageType == "Filepath")
{
string vFilePath = (string)await v_FilePath.EvaluateCode(engine);
FileStream image = File.OpenRead(vFilePath);
image.CopyTo(memStream);
}
else
{
Bitmap vBitmap = (Bitmap)await v_Bitmap.EvaluateCode(engine);
vBitmap.Save(memStream, ImageFormat.Jpeg);
}
ocrRequest.Document = new Document();
ocrRequest.Document.Bytes = memStream;
AmazonTextractConfig config = new AmazonTextractConfig();
config.RegionEndpoint = Amazon.RegionEndpoint.GetBySystemName(v_AWSRegion);
AmazonTextractClient client = new AmazonTextractClient(vAccessKey, vSecretKey, config);
DetectDocumentTextResponse results = client.DetectDocumentText(ocrRequest);
string readText = "";
if (results.HttpStatusCode == System.Net.HttpStatusCode.OK)
{
foreach (Block block in results.Blocks)
{
if (block.BlockType.Value == "LINE")
{
readText += block.Text + "\n";
}
}
}
else
{
throw new Exception("Call to AWS textract failed");
}
readText.SetVariableValue(engine, v_OutputUserVariableName);
}
private static async Task <string> ReadText(string textUrl)
{
using var client = new AmazonTextractClient();
var document = new Document
{
S3Object = new Amazon.Textract.Model.S3Object
{
Bucket = S3BucketName,
Name = textUrl
}
};
var request = new DetectDocumentTextRequest
{
Document = document
};
var response = await client.DetectDocumentTextAsync(request);
return(GetTextFromBlocks(response.Blocks));
}
public TextractHandler()
{
this.textractClient = new AmazonTextractClient();
this.s3Client = new AmazonS3Client();
}
public async Task <Harvest> Recognize(string filePathName)
{
Logger.LogDebug(">> Recognize");
var client = new AmazonTextractClient(
_configuration.GetSection("AccessKey").Value,
_configuration.GetSection("SecretAccessKey").Value,
Amazon.RegionEndpoint.GetBySystemName(_configuration.GetSection("Region").Value));
Amazon.Textract.Model.Document MyDocument;
int imageWidth = 0;
int imageHeight = 0;
using (Image image = Image.FromFile(filePathName))
{
imageWidth = image.Width >= 2560 ? 2560 : image.Width;
imageHeight = image.Height > 1080 ? 1080 : image.Height;
#region Negative
/*
*
* Bitmap newBitmap = new Bitmap(image.Width, image.Height);
*
* Graphics graphics = Graphics.FromImage(newBitmap);
*
* ColorMatrix colorMatrix = new ColorMatrix(
* new float[][]
* {
* new float[] {.3f, .3f, .3f, 0, 0},
* new float[] {.59f, .59f, .59f, 0, 0},
* new float[] {.11f, .11f, .11f, 0, 0},
* new float[] {0, 0, 0, 1, 0},
* new float[] {0, 0, 0, 0, 1}
* });
*
* ImageAttributes attributes = new ImageAttributes();
* attributes.SetColorMatrix(colorMatrix);
*
* graphics.DrawImage(image, new Rectangle(0, 0, image.Width, image.Height),
* 0, 0, image.Width, image.Height, GraphicsUnit.Pixel, attributes);
*
* graphics.Dispose();
*/
#endregion
using (MemoryStream memoryStream = new MemoryStream())
{
image.Save(memoryStream, image.RawFormat);
MyDocument = new Amazon.Textract.Model.Document()
{
Bytes = memoryStream
};
}
}
var request = new AnalyzeDocumentRequest()
{
Document = MyDocument, FeatureTypes = new List <string>()
{
"TABLES"
}
};
var result = await client.AnalyzeDocumentAsync(request);
var specie = "";
var furType = "";
float trophyRating = 0;
float quickKill = 0;
float integrity = 0;
float score = 0;
bool ocrPaseFailure = false;
if (result.HttpStatusCode == System.Net.HttpStatusCode.OK)
{
try
{
Logger.LogTrace(System.Text.Json.JsonSerializer.Serialize(result));
float specieMinLeft = (100f + ((imageWidth - 1920) / 2)) / imageWidth;
float specieMinTop = (150f + ((imageHeight - 1080) / 2)) / imageHeight;
float specieMaxTop = (230f + ((imageHeight - 1080) / 2)) / imageHeight;
float furTypeMinLeft = (300f + ((imageWidth - 1920) / 2)) / imageWidth;
float furTypeMinTop = (295f + ((imageHeight - 1080) / 2)) / imageHeight;
float trophyRatingMinLeft = (300f + ((imageWidth - 1920) / 2)) / imageWidth;
float trophyRatingMinTop = (500f + ((imageHeight - 1080) / 2)) / imageHeight;
float quickKillMinLeft = (300f + ((imageWidth - 1920) / 2)) / imageWidth;
float quickKillMinTop = (550f + ((imageHeight - 1080) / 2)) / imageHeight;
float integrityMinLeft = (300f + ((imageWidth - 1920) / 2)) / imageWidth;
float integrityMinTop = (585f + ((imageHeight - 1080) / 2)) / imageHeight;
float scoreMinLeft = (475f + ((imageWidth - 1920) / 2)) / imageWidth;
float scoreMinTop = (680f + ((imageHeight - 1080) / 2)) / imageHeight;
float scoreMaxRight = (600f + ((imageWidth - 1920) / 2)) / imageWidth;
try
{
specie = result.Blocks.FindAll(b => b.BlockType.Value == "LINE" &&
((b.Geometry.BoundingBox.Left + b.Geometry.BoundingBox.Width) < scoreMaxRight)).Find(b =>
b.Geometry.BoundingBox.Left > specieMinLeft &&
b.Geometry.BoundingBox.Top > specieMinTop &&
specieMaxTop > b.Geometry.BoundingBox.Top
).Text;
}
catch (Exception e)
{
ocrPaseFailure = true;
Logger.LogError(e);
}
try
{
furType = result.Blocks.FindAll(b => b.BlockType.Value == "LINE" &&
((b.Geometry.BoundingBox.Left + b.Geometry.BoundingBox.Width) < scoreMaxRight)).Find(b =>
(b.Geometry.BoundingBox.Left > furTypeMinLeft) &&
(b.Geometry.BoundingBox.Top > furTypeMinTop)
).Text;
}
catch (Exception e)
{
ocrPaseFailure = true;
Logger.LogError(e);
}
try
{
trophyRating = float.Parse(result.Blocks.FindAll(b => b.BlockType.Value == "LINE" &&
((b.Geometry.BoundingBox.Left + b.Geometry.BoundingBox.Width) < scoreMaxRight)).Find(b =>
(b.Geometry.BoundingBox.Left > trophyRatingMinLeft) &&
(b.Geometry.BoundingBox.Top > trophyRatingMinTop)
).Text);
}
catch (Exception e)
{
ocrPaseFailure = true;
Logger.LogError(e);
}
try
{
quickKill = float.Parse(result.Blocks.FindAll(b => b.BlockType.Value == "LINE" &&
((b.Geometry.BoundingBox.Left + b.Geometry.BoundingBox.Width) < scoreMaxRight)).Find(b =>
(b.Geometry.BoundingBox.Left > quickKillMinLeft) &&
(b.Geometry.BoundingBox.Top > quickKillMinTop)
).Text.Replace("%", ""));
}
catch (Exception e)
{
ocrPaseFailure = true;
Logger.LogError(e);
}
try
{
integrity = float.Parse(result.Blocks.FindAll(b => b.BlockType.Value == "LINE" &&
((b.Geometry.BoundingBox.Left + b.Geometry.BoundingBox.Width) < scoreMaxRight)).Find(b =>
(b.Geometry.BoundingBox.Left > integrityMinLeft) &&
(b.Geometry.BoundingBox.Top > integrityMinTop)
).Text.Replace("%", ""));
}
catch (Exception e)
{
ocrPaseFailure = true;
Logger.LogError(e);
}
try
{
score = float.Parse(result.Blocks.FindAll(b => b.BlockType.Value == "LINE" &&
((b.Geometry.BoundingBox.Left + b.Geometry.BoundingBox.Width) < scoreMaxRight)).Find(b =>
(b.Geometry.BoundingBox.Left > scoreMinLeft) &&
(b.Geometry.BoundingBox.Top > scoreMinTop)).Text);
}
catch (Exception e)
{
ocrPaseFailure = true;
Logger.LogError(e);
}
}
catch (Exception e)
{
ocrPaseFailure = true;
Logger.LogError(e);
}
}
return(new Harvest()
{
FurType = furType, IntegrityBonus = integrity, QuickKillBonus = quickKill, Score = score, Specie = specie, TrophyRating = trophyRating, RequiresCheck = ocrPaseFailure
});
}
private async Task <DetectDocumentTextResponse> UploadImageForRekognition(AmazonTextractClient objRekClient, DetectDocumentTextRequest objDetectText)
{
return(await objRekClient.DetectDocumentTextAsync(objDetectText));
}