From 7697ac95a76786f8dcc37916d15a9897b37749a5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jo=CC=88rg=20Prante?= <joergprante@gmail.com>
Date: Mon, 15 Nov 2021 23:28:01 +0100
Subject: [PATCH] NPE fix

---
 gradle.properties                             |  4 +--
 .../AxesChartSeriesNumericalNoErrorBars.java  | 26 ++++++++++++++++---
 2 files changed, 24 insertions(+), 6 deletions(-)

diff --git a/gradle.properties b/gradle.properties
index f8db79d..c77146d 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,9 +1,9 @@
 group = org.xbib.graphics
 name = graphics
-version = 4.0.4
+version = 4.0.5
 
 gradle.wrapper.version = 6.6.1
-pdfbox.version = 2.0.23
+pdfbox.version = 2.0.24
 jna.version = 5.8.0
 zxing.version = 3.3.1
 reflections.version = 0.9.11
diff --git a/graphics-chart/src/main/java/org/xbib/graphics/chart/series/AxesChartSeriesNumericalNoErrorBars.java b/graphics-chart/src/main/java/org/xbib/graphics/chart/series/AxesChartSeriesNumericalNoErrorBars.java
index 931a482..cc99693 100644
--- a/graphics-chart/src/main/java/org/xbib/graphics/chart/series/AxesChartSeriesNumericalNoErrorBars.java
+++ b/graphics-chart/src/main/java/org/xbib/graphics/chart/series/AxesChartSeriesNumericalNoErrorBars.java
@@ -33,16 +33,20 @@ public abstract class AxesChartSeriesNumericalNoErrorBars extends MarkerSeries {
     @Override
     protected void calculateMinMax() {
         List<Double> xMinMax = findMinMax(xData);
-        setXMin(xMinMax.get(0));
-        setXMax(xMinMax.get(1));
+        if (xMinMax != null) {
+            setXMin(xMinMax.get(0));
+            setXMax(xMinMax.get(1));
+        }
         List<Double> yMinMax;
         if (extraValues == null) {
             yMinMax = findMinMax(yData);
         } else {
             yMinMax = findMinMaxWithErrorBars(yData, extraValues);
         }
-        setYMin(yMinMax.get(0));
-        setYMax(yMinMax.get(1));
+        if (yMinMax != null) {
+            setYMin(yMinMax.get(0));
+            setYMax(yMinMax.get(1));
+        }
     }
 
     List<Double> findMinMax(List<?> data) {
@@ -82,6 +86,20 @@ public abstract class AxesChartSeriesNumericalNoErrorBars extends MarkerSeries {
                 if (bd.doubleValue() > max) {
                     max = bd.doubleValue();
                 }
+            } else if (dataPoint instanceof Long) {
+                long i = (Long) dataPoint;
+                if (min == null) {
+                    min = (double) i;
+                }
+                if (max == null) {
+                    max = (double) i;
+                }
+                if (i < min) {
+                    min = (double) i;
+                }
+                if (i > max) {
+                    max = (double) i;
+                }
             } else if (dataPoint instanceof Integer) {
                 int i = (Integer) dataPoint;
                 if (min == null) {