Add methods for extracting red, green and blue color portions from an int color.

enabler/src/de/schildbach/pte/dto/Style.java

@@ -110,4 +110,19 @@ public class Style implements Serializable
 	{
 		return (0xFF << 24) | (red << 16) | (green << 8) | blue;
 	}
+
+	public static int red(final int color)
+	{
+		return (color >> 16) & 0xff;
+	}
+
+	public static int green(final int color)
+	{
+		return (color >> 8) & 0xff;
+	}
+
+	public static int blue(final int color)
+	{
+		return color & 0xff;
+	}
 }

enabler/test/de/schildbach/pte/dto/StyleTest.java

@@ -0,0 +1,35 @@
+/*
+ * Copyright 2014 the original author or authors.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package de.schildbach.pte.dto;
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Test;
+
+/**
+ * @author Andreas Schildbach
+ */
+public class StyleTest
+{
+	@Test
+	public void roundTripRGB()
+	{
+		final int color = Style.parseColor("#123456");
+		assertEquals(color, Style.rgb(Style.red(color), Style.green(color), Style.blue(color)));
+	}
+}