From 97df4349399e5ffd56cdc3ca488789beb3aba81f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Eric=20Oberm=C3=BChlner?= <eobermuhlner@gmail.com>
Date: Thu, 21 Mar 2019 21:26:13 +0100
Subject: [PATCH] random data colors also ranged in saturation/brightness

---
 .../main/java/ch/obermuhlner/csv2chart/Application.java    | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/ch.obermuhlner.csv2chart/src/main/java/ch/obermuhlner/csv2chart/Application.java b/ch.obermuhlner.csv2chart/src/main/java/ch/obermuhlner/csv2chart/Application.java
index ffd0767..886ab4f 100644
--- a/ch.obermuhlner.csv2chart/src/main/java/ch/obermuhlner/csv2chart/Application.java
+++ b/ch.obermuhlner.csv2chart/src/main/java/ch/obermuhlner/csv2chart/Application.java
@@ -470,9 +470,14 @@ private static Paint[] createRandomColors(Parameters parameters) {
 		Random random = new Random(1);
 		Paint[] paints = new Paint[n];
 
+		float alpha = (float) parameters.dataColorAlpha;
+        float centerSaturation = (float) parameters.dataColorSaturation;
+        float centerBrightness = (float) parameters.dataColorBrightness;
         for (int i = 0; i < n; i++) {
             float hue = random.nextFloat();
-			paints[i] = Colors.ahsbToColor(parameters.dataColorAlpha, hue, parameters.dataColorSaturation, parameters.dataColorBrightness);
+            float saturation = centerSaturation * (0.9f + random.nextFloat() * 0.2f);
+            float brightness = centerBrightness * (0.9f + random.nextFloat() * 0.2f);
+			paints[i] = Colors.ahsbToColor(alpha, hue, saturation, brightness);
 		}
 
 		return paints;