Calculate repository color from name. Show swatch on repository list.

1 files changed, 46 insertions, 2 deletions

diff --git a/src/com/gitblit/utils/StringUtils.java b/src/com/gitblit/utils/StringUtils.java
index 746fbe2e..a51c157f 100644
--- a/src/com/gitblit/utils/StringUtils.java
+++ b/src/com/gitblit/utils/StringUtils.java
@@ -33,7 +33,7 @@ import java.util.regex.PatternSyntaxException;
 public class StringUtils {

 

 	public static final String MD5_TYPE = "MD5:";

-	

+

 	public static final String COMBINED_MD5_TYPE = "CMD5:";

 

 	/**

@@ -443,4 +443,48 @@ public class StringUtils {
 			}

 		});

 	}

-}

+

+	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