From 8add65d317d6d329ed83c2c44e91136e44def831 Mon Sep 17 00:00:00 2001
From: soloturn <soloturn@gmail.com>
Date: Sat, 9 Apr 2022 13:08:59 +0200
Subject: [PATCH] transparent is no color in latex, fixes #974

---
 src/net/sourceforge/plantuml/tikz/TikzGraphics.java | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/net/sourceforge/plantuml/tikz/TikzGraphics.java b/src/net/sourceforge/plantuml/tikz/TikzGraphics.java
index f2dd9237e..1d487e07c 100644
--- a/src/net/sourceforge/plantuml/tikz/TikzGraphics.java
+++ b/src/net/sourceforge/plantuml/tikz/TikzGraphics.java
@@ -5,12 +5,12 @@
  * (C) Copyright 2009-2023, Arnaud Roques
  *
  * Project Info:  http://plantuml.com
- * 
+ *
  * If you like this project or if you find it useful, you can support us at:
- * 
+ *
  * http://plantuml.com/patreon (only 1$ per month!)
  * http://plantuml.com/paypal
- * 
+ *
  * This file is part of PlantUML.
  *
  * PlantUML is free software; you can redistribute it and/or modify it
@@ -30,7 +30,7 @@
  *
  *
  * Original Author:  Arnaud Roques
- * 
+ *
  *
  */
 package net.sourceforge.plantuml.tikz;
@@ -549,7 +549,7 @@ public class TikzGraphics {
 		if (color != null)
 			sb.append("color=" + getColorName(color) + ",");
 
-		if (fillcolor != null)
+		if (fillcolor != null && !HColorUtils.isTransparent(fillcolor))
 			sb.append("fill=" + getColorName(fillcolor) + ",");
 
 		sb.append("line width=" + thickness + "pt] " + couple(x, y) + " ellipse (" + format(width) + "pt and "