ExtractText implemented

capzlog-ExtractDataFromPDF/util/ExtractText.cs

@@ -0,0 +1,37 @@
+using UglyToad.PdfPig;
+using UglyToad.PdfPig.DocumentLayoutAnalysis.PageSegmenter;
+using UglyToad.PdfPig.DocumentLayoutAnalysis.WordExtractor;
+
+namespace capzlog_ExtractDataFromPDF;
+
+public class ExtractText
+{
+    public string ExtractTextBlocks(PdfDocument document, int pageNumber)
+    {
+        if (pageNumber < 1 || pageNumber > document.NumberOfPages)
+        {
+            throw new ArgumentOutOfRangeException(nameof(pageNumber), "Page number is out of range.");
+        }
+        
+        var page = document.GetPage(pageNumber);
+        
+        var words = page.GetWords(NearestNeighbourWordExtractor.Instance);
+        
+        var blocks = DefaultPageSegmenter.Instance.GetBlocks(words);
+        
+        return blocks[0].Text;
+    }
+
+    public List<string> ExtractFirstLines(PdfDocument document)
+    {
+        List<string> firstLines = new List<string>();
+        for (int i = 1; i <= document.NumberOfPages; i++)
+        {
+            var page = document.GetPage(i);
+            var words = page.GetWords(NearestNeighbourWordExtractor.Instance);
+            var blocks = DefaultPageSegmenter.Instance.GetBlocks(words);
+            firstLines.Add(blocks[0].Text.Split("\n")[0]);;
+        }
+        return firstLines;
+    }
+}