From 309c55b5a9670e7c327ad8d4e5d94b8af840d00f Mon Sep 17 00:00:00 2001
From: James Moger <james.moger@gitblit.com>
Date: Fri, 18 Nov 2011 17:46:06 -0500
Subject: [PATCH] Calculate repository color from name. Show swatch on repository list.
---
src/com/gitblit/utils/StringUtils.java | 48 ++++++++++++++++++++++++++++++++++++++++++++++--
1 files changed, 46 insertions(+), 2 deletions(-)
diff --git a/src/com/gitblit/utils/StringUtils.java b/src/com/gitblit/utils/StringUtils.java
index 746fbe2..a51c157 100644
--- a/src/com/gitblit/utils/StringUtils.java
+++ b/src/com/gitblit/utils/StringUtils.java
@@ -33,7 +33,7 @@
public class StringUtils {
public static final String MD5_TYPE = "MD5:";
-
+
public static final String COMBINED_MD5_TYPE = "CMD5:";
/**
@@ -443,4 +443,48 @@
}
});
}
-}
+
+ public static String getColor(String value) {
+ int cs = 0;
+ for (char c : getMD5(value.toLowerCase()).toCharArray()) {
+ cs += c;
+ }
+ int n = (cs % 360);
+ float hue = ((float) n) / 360;
+ return hsvToRgb(hue, 0.90f, 0.65f);
+ }
+
+ public static String hsvToRgb(float hue, float saturation, float value) {
+ int h = (int) (hue * 6);
+ float f = hue * 6 - h;
+ float p = value * (1 - saturation);
+ float q = value * (1 - f * saturation);
+ float t = value * (1 - (1 - f) * saturation);
+
+ switch (h) {
+ case 0:
+ return rgbToString(value, t, p);
+ case 1:
+ return rgbToString(q, value, p);
+ case 2:
+ return rgbToString(p, value, t);
+ case 3:
+ return rgbToString(p, q, value);
+ case 4:
+ return rgbToString(t, p, value);
+ case 5:
+ return rgbToString(value, p, q);
+ default:
+ throw new RuntimeException(
+ "Something went wrong when converting from HSV to RGB. Input was " + hue + ", "
+ + saturation + ", " + value);
+ }
+ }
+
+ public static String rgbToString(float r, float g, float b) {
+ String rs = Integer.toHexString((int) (r * 256));
+ String gs = Integer.toHexString((int) (g * 256));
+ String bs = Integer.toHexString((int) (b * 256));
+ return "#" + rs + gs + bs;
+ }
+}
\ No newline at end of file
--
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