Use unique colors for names

diff --git a/src/org/pileus/spades/Main.java b/src/org/pileus/spades/Main.java
index 201bdd29eca67af0db75fac8543f70b654210c85..c7ef308e69f24dd72d9f7f0c33977a6c4b337de1 100644 (file)
--- a/src/org/pileus/spades/Main.java
+++ b/src/org/pileus/spades/Main.java
@@ -56,6 +56,29 @@ public class Main extends Activity
        private ScrollView   dscroll;
 
        /* Private helper methods */
+       private int hsv2rgb(int hsv)
+       {
+               int h  = (hsv & 0xff0000) >> 16;
+               int s  = (hsv & 0x00ff00) >>  8;
+               int v  = (hsv & 0x0000ff) >>  0;
+
+               int c  = (v * s) / 256;
+               int h1 = (h * 6) / 256;
+               int x  = c * (1 - Math.abs((h1%2)-1));
+               int m  = v - c;
+
+               int rgb = 0;
+
+               if (0 <= h1 && h1 <= 1) rgb = (c << 16) | (x << 8) | 0;
+               if (1 <= h1 && h1 <= 2) rgb = (x << 16) | (c << 8) | 0;
+               if (2 <= h1 && h1 <= 3) rgb = (0 << 16) | (c << 8) | x;
+               if (3 <= h1 && h1 <= 4) rgb = (0 << 16) | (x << 8) | c;
+               if (4 <= h1 && h1 <= 5) rgb = (x << 16) | (0 << 8) | c;
+               if (5 <= h1 && h1 <= 6) rgb = (c << 16) | (0 << 8) | x;
+
+               return rgb + (m << 16) + (m << 8) + m;
+       }
+
        private void notice(String text)
        {
                String    msg  = "*** " + text + "\n";
@@ -75,9 +98,13 @@ public class Main extends Activity
                int ne  = de + 1 + msg.from.length() + 1;
                int pos = ne + 1;
 
+               // Get user color
+               int hash  = msg.from.hashCode();
+               int color = this.hsv2rgb(hash | 0x8080) | 0xff000000;
+
                // Format date and name
                span.setSpan(new ForegroundColorSpan(0xffffff88), 0,    de, 0);
-               span.setSpan(new ForegroundColorSpan(0xffff88ff), de+1, ne, 0);
+               span.setSpan(new ForegroundColorSpan(color),      de+1, ne, 0);
 
                // Format IRC Colors
                for (Message.Format fmt : msg.parts) {