Add helper method to get the line to which a word belongs

BobLd · BobLd · commit d43089d31baa · 2025-07-21T19:02:57.000+01:00
diff --git a/Caly.Pdf/Models/PdfTextLayer.cs b/Caly.Pdf/Models/PdfTextLayer.cs
@@ -105,6 +105,13 @@ public PdfTextLayer(IReadOnlyList<PdfTextBlock> textBlocks, IReadOnlyList<PdfAnn
             return null;
         }
 
+        public PdfTextLine? GetLine(PdfWord word)
+        {
+            var block = TextBlocks[word.TextBlockIndex];
+            int lineStartIndex = block.TextLines[0].IndexInPage;
+            return block.TextLines[word.TextLineIndex - lineStartIndex];
+        }
+
         public IEnumerable<PdfWord> GetWords(PdfWord start, PdfWord end)
         {
             System.Diagnostics.Debug.Assert(start.IndexInPage <= end.IndexInPage);

Original file line number	Diff line number	Diff line change
`@@ -105,6 +105,13 @@ public PdfTextLayer(IReadOnlyList<PdfTextBlock> textBlocks, IReadOnlyList<PdfAnn`
`105`	`105`	`return null;`
`106`	`106`	`}`
`107`	`107`
	`108`	`+ public PdfTextLine? GetLine(PdfWord word)`
	`109`	`+ {`
	`110`	`+ var block = TextBlocks[word.TextBlockIndex];`
	`111`	`+ int lineStartIndex = block.TextLines[0].IndexInPage;`
	`112`	`+ return block.TextLines[word.TextLineIndex - lineStartIndex];`
	`113`	`+ }`
	`114`	`+`
`108`	`115`	`public IEnumerable<PdfWord> GetWords(PdfWord start, PdfWord end)`
`109`	`116`	`{`
`110`	`117`	`System.Diagnostics.Debug.Assert(start.IndexInPage <= end.IndexInPage);`