From e48c35733e49e32d99dd657f0ddec5bda05cfff6 Mon Sep 17 00:00:00 2001
From: Jakub Valtar <jakub.valtar@gmail.com>
Date: Mon, 23 May 2016 16:39:38 +0200
Subject: [PATCH] Give helpful message when createFont() called before setup()

Fixes #4486
---
 core/src/processing/core/PApplet.java | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/core/src/processing/core/PApplet.java b/core/src/processing/core/PApplet.java
index b72de9e34..0919463cf 100644
--- a/core/src/processing/core/PApplet.java
+++ b/core/src/processing/core/PApplet.java
@@ -6178,6 +6178,10 @@ public class PApplet implements PConstants {
    */
   public PFont createFont(String name, float size,
                           boolean smooth, char[] charset) {
+    if (g == null) {
+      System.err.println("The sketch is not initialized yet.");
+      throw new RuntimeException("Fonts must be created inside setup() or after it has been called.");
+    }
     return g.createFont(name, size, smooth, charset);
   }