From fbee064d00ec086c157bd7282f048165399ec5e4 Mon Sep 17 00:00:00 2001
From: Tim Molter <tim.molter@gmail.com>
Date: Thu, 28 Feb 2013 14:13:14 +0100
Subject: [PATCH] fixed rendering flaw with out of bounds min and max axes
values
---
.../internal/chartpart/PlotContentBarChart.java | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/xchart/src/main/java/com/xeiam/xchart/internal/chartpart/PlotContentBarChart.java b/xchart/src/main/java/com/xeiam/xchart/internal/chartpart/PlotContentBarChart.java
index 2e80255e..f653040a 100644
--- a/xchart/src/main/java/com/xeiam/xchart/internal/chartpart/PlotContentBarChart.java
+++ b/xchart/src/main/java/com/xeiam/xchart/internal/chartpart/PlotContentBarChart.java
@@ -102,10 +102,18 @@ public class PlotContentBarChart extends PlotContent {
if (xData.contains(categoryItr.next())) {
BigDecimal y = new BigDecimal(yItr.next().doubleValue());
- int yTransform = (int) (bounds.getHeight() - (yTopMargin + y.subtract(yMin).doubleValue() / yMax.subtract(yMin).doubleValue() * yTickSpace));
+ BigDecimal yTop = new BigDecimal(y.doubleValue());
+ if (yTop.compareTo(yMax) > 0) {
+ yTop = yMax;
+ }
+ int yTransform = (int) (bounds.getHeight() - (yTopMargin + yTop.subtract(yMin).doubleValue() / yMax.subtract(yMin).doubleValue() * yTickSpace));
int yOffset = (int) (bounds.getY() + yTransform);
- int zeroTransform = (int) (bounds.getHeight() - (yTopMargin + (yMin.subtract(yMin).doubleValue()) / (yMax.subtract(yMin).doubleValue()) * yTickSpace));
+ BigDecimal yBottom = new BigDecimal(y.doubleValue());
+ if (yBottom.compareTo(yMin) > 0) {
+ yBottom = yMin;
+ }
+ int zeroTransform = (int) (bounds.getHeight() - (yTopMargin + (yBottom.subtract(yMin).doubleValue()) / (yMax.subtract(yMin).doubleValue()) * yTickSpace));
int zeroOffset = (int) (bounds.getY() + zeroTransform);
// paint bar
--
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