From a2450baeb2c469fc96fa1f2d31be1d93d19835ec Mon Sep 17 00:00:00 2001
From: Tim Molter <tim@knowm.org>
Date: Mon, 5 Oct 2015 00:21:56 +0200
Subject: [PATCH] LogarithmicCalculator abort when really small chart
---
.../internal/chartpart/AxisTickLogarithmicCalculator.java | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/xchart/src/main/java/com/xeiam/xchart/internal/chartpart/AxisTickLogarithmicCalculator.java b/xchart/src/main/java/com/xeiam/xchart/internal/chartpart/AxisTickLogarithmicCalculator.java
index f5e1e3ea..f810c8cf 100644
--- a/xchart/src/main/java/com/xeiam/xchart/internal/chartpart/AxisTickLogarithmicCalculator.java
+++ b/xchart/src/main/java/com/xeiam/xchart/internal/chartpart/AxisTickLogarithmicCalculator.java
@@ -58,6 +58,11 @@ public class AxisTickLogarithmicCalculator extends AxisTickCalculator {
// tick space - a percentage of the working space available for ticks
double tickSpace = styleManager.getAxisTickSpacePercentage() * workingSpace; // in plot space
+ // this prevents an infinite loop when the plot gets sized really small.
+ if (tickSpace < styleManager.getXAxisTickMarkSpacingHint()) {
+ return;
+ }
+
// where the tick should begin in the working space in pixels
double margin = Utils.getTickStartOffset(workingSpace, tickSpace); // in plot space double gridStep = getGridStepForDecimal(tickSpace);
@@ -81,9 +86,8 @@ public class AxisTickLogarithmicCalculator extends AxisTickCalculator {
logMax = (int) (Math.log10(styleManager.getXAxisMax())); // no floor
}
- // double firstPosition = getFirstPosition(tickStep);
- // System.out.println("firstPosition: " + firstPosition);
double firstPosition = Utils.pow(10, logMin);
+ // System.out.println("firstPosition: " + firstPosition);
double tickStep = Utils.pow(10, logMin - 1);
for (int i = logMin; i <= logMax; i++) { // for each decade
--
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