From b883e6075bd76f979fbffdb768313665681315a0 Mon Sep 17 00:00:00 2001
From: Johannes Ranke <jranke@uni-bremen.de>
Date: Tue, 19 Feb 2019 20:17:59 +0100
Subject: Only plot when a Picture object is there

grConvert is not needed for plotting
---
 inst/examples/caffeine.R | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'inst/examples/caffeine.R')

diff --git a/inst/examples/caffeine.R b/inst/examples/caffeine.R
index f5711f3..e886878 100644
--- a/inst/examples/caffeine.R
+++ b/inst/examples/caffeine.R
@@ -1,5 +1,5 @@
 caffeine <- chent$new("caffeine")
 print(caffeine)
-if (requireNamespace("grConvert")) {
+if (!is.null(caffeine$Picture)) {
   plot(caffeine)
 }
-- 
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