From 0a665ac428fe743c418bfbd0af176709cfd82c6b Mon Sep 17 00:00:00 2001
From: neowcng <neo.wcng@gmail.com>
Date: Tue, 28 Apr 2020 21:04:20 +0800
Subject: [PATCH] test font rendering support for each character

---
 .../sf/jasperreports/engine/util/JRStyledTextUtil.java   | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/jasperreports/src/net/sf/jasperreports/engine/util/JRStyledTextUtil.java b/jasperreports/src/net/sf/jasperreports/engine/util/JRStyledTextUtil.java
index fd60abfbae..ccd9e0ccea 100644
--- a/jasperreports/src/net/sf/jasperreports/engine/util/JRStyledTextUtil.java
+++ b/jasperreports/src/net/sf/jasperreports/engine/util/JRStyledTextUtil.java
@@ -400,6 +400,8 @@ protected FontMatch fontMatchRun(String text, int startIndex, int endIndex, List
 			{
 				codePoint = textChar;
 			}
+			
+			boolean stopSearching = false;
 
 			for (ListIterator<Face> fontIt = validFonts.listIterator(); fontIt.hasNext();)
 			{
@@ -407,9 +409,16 @@ protected FontMatch fontMatchRun(String text, int startIndex, int endIndex, List
 				
 				if (!face.supports(codePoint))
 				{
+					if (lastValid != null) {
+						stopSearching = true;
+						break;
+					}
 					fontIt.remove();
 				}
 			}
+			if (stopSearching) {
+				break;
+			}
 			
 			if (validFonts.isEmpty())
 			{