From d63555617cf44a3b2c1efd305ae7e787a859c587 Mon Sep 17 00:00:00 2001
From: iriikoad <iriikoad@gmail.com>
Date: Sat, 14 Dec 2024 21:42:55 +0100
Subject: [PATCH] avoid division by 0 that will block the cpu

---
 .../java/io/github/jonathanlink/PDFLayoutTextStripper.java     | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/main/java/io/github/jonathanlink/PDFLayoutTextStripper.java b/src/main/java/io/github/jonathanlink/PDFLayoutTextStripper.java
index 42202a1..ae44d97 100644
--- a/src/main/java/io/github/jonathanlink/PDFLayoutTextStripper.java
+++ b/src/main/java/io/github/jonathanlink/PDFLayoutTextStripper.java
@@ -178,6 +178,9 @@ private int getNumberOfNewLinesFromPreviousTextPosition(final TextPosition textP
 
         if ( textYPosition > previousTextYPosition && (textYPosition - previousTextYPosition > 5.5) ) {
             double height = textPosition.getHeight();
+            if(height == 0.0){
+                height = 1;
+            }
             int numberOfLines = (int) (Math.floor( textYPosition - previousTextYPosition) / height );
             numberOfLines = Math.max(1, numberOfLines - 1); // exclude current new line
             if (DEBUG) System.out.println(height + " " + numberOfLines);