From 9ceed5b5a4ec2e3b1b70365a3b8597d81e88688d Mon Sep 17 00:00:00 2001
From: Mike Phares <mike.phares@infineon.com>
Date: Wed, 23 Feb 2022 18:13:30 -0700
Subject: [PATCH] Cropped Image

---
 Adaptation/FileHandlers/jpeg/ProcessData.cs | 77 +++++++++------------
 1 file changed, 34 insertions(+), 43 deletions(-)

diff --git a/Adaptation/FileHandlers/jpeg/ProcessData.cs b/Adaptation/FileHandlers/jpeg/ProcessData.cs
index 184b3c2..5613b21 100644
--- a/Adaptation/FileHandlers/jpeg/ProcessData.cs
+++ b/Adaptation/FileHandlers/jpeg/ProcessData.cs
@@ -7,6 +7,8 @@ using log4net;
 using System;
 using System.Collections.Generic;
 using System.Data;
+using System.Drawing;
+using System.Drawing.Imaging;
 using System.Globalization;
 using System.IO;
 using System.Linq;
@@ -33,8 +35,6 @@ public class ProcessData : IProcessData
     {
         if (logistics is null)
         { }
-        if (fileInfoCollection is null)
-        { }
         JobID = logistics.JobID;
         fileInfoCollection.Clear();
         _Details = new List<object>();
@@ -103,51 +103,42 @@ public class ProcessData : IProcessData
         return results;
     }
 
+#pragma warning disable CA1416
+
+    private static byte[] GetBytes(IFileRead fileRead, int endY, int endX, int startY, int startX, int outputQuality)
+    {
+        byte[] results;
+        Point startPoint = new(startX, startY);
+        using MemoryStream memoryStream = new();
+        EncoderParameters encoderParameters = new(1);
+        System.Drawing.Imaging.ImageFormat imageFormat = System.Drawing.Imaging.ImageFormat.Jpeg;
+        ImageCodecInfo imageCodecInfo = (from l in ImageCodecInfo.GetImageEncoders() where l.FormatID == imageFormat.Guid select l).First();
+        encoderParameters.Param[0] = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, outputQuality);
+        Rectangle rectangle = new(startPoint, new Size(endX - startX, endY - startY));
+        using Bitmap bitmap = Image.FromFile(fileRead.ReportFullPath) as Bitmap;
+        using Bitmap clonedBitmap = bitmap.Clone(rectangle, bitmap.PixelFormat);
+        //clonedBitmap.Save(Path.ChangeExtension(fileRead.ReportFullPath, ".png"), System.Drawing.Imaging.ImageFormat.Png);
+        clonedBitmap.Save(memoryStream, imageCodecInfo, encoderParameters);
+        results = memoryStream.GetBuffer();
+        return results;
+    }
+
+#pragma warning restore CA1416
+
+    private static byte[] GetBytes(IFileRead fileRead) => GetBytes(fileRead, 68, 1687, 32, 1094, 95);
+
     private void Parse(IFileRead fileRead)
     {
-        List<string> blocks = new();
-        StringBuilder stringBuilder = new();
+        string text;
         using TesseractEngine engine = new(string.Empty, "eng", EngineMode.Default);
-        using Pix img = Pix.LoadFromFile(fileRead.ReportFullPath);
+        //using Pix img = Pix.LoadFromFile(fileRead.ReportFullPath);
+        byte[] bytes = GetBytes(fileRead);
+        using Pix img = Pix.LoadFromMemory(bytes);
         using Page page = engine.Process(img);
-        string text = page.GetText();
-        _Log.Debug(string.Format("Mean confidence: {0}", page.GetMeanConfidence()));
-        _Log.Debug(string.Format("Text (GetText): \r\n{0}", text));
-        _Log.Debug("Text (iterator):");
-        using ResultIterator iter = page.GetIterator();
-        iter.Begin();
-        do
-        {
-            do
-            {
-                do
-                {
-                    do
-                    {
-                        _ = stringBuilder.Append(iter.GetText(PageIteratorLevel.Word)).Append(' ');
-                        if (iter.IsAtFinalOf(PageIteratorLevel.TextLine, PageIteratorLevel.Word) && stringBuilder.Length > 0)
-                        {
-                            blocks.Add(stringBuilder.ToString());
-                            _ = stringBuilder.Clear();
-                        }
-                    } while (iter.Next(PageIteratorLevel.TextLine, PageIteratorLevel.Word));
-                    if (iter.IsAtFinalOf(PageIteratorLevel.Para, PageIteratorLevel.TextLine))
-                        _ = stringBuilder.AppendLine();
-                } while (iter.Next(PageIteratorLevel.Para, PageIteratorLevel.TextLine));
-            } while (iter.Next(PageIteratorLevel.Block, PageIteratorLevel.Para));
-        } while (iter.Next(PageIteratorLevel.Block));
-        if (stringBuilder.Length > 0)
-            blocks.Add(stringBuilder.ToString());
-        if (!blocks.Any())
-            _Details.Add(text);
-        else
-        {
-            blocks = (from l in blocks where l.Split(':').Length == 3 select l).ToList();
-            if (!blocks.Any())
-                _Details.Add(text);
-            else
-                _Details.Add(blocks[0]);
-        }
+        text = page.GetText();
+        if (string.IsNullOrEmpty(text))
+            throw new Exception("OCR Failure!");
+        _Details.Add(text);
     }
 
 }
\ No newline at end of file