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diff --git a/src/libgamma/SubpixelOrder.java b/src/libgamma/SubpixelOrder.java
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+++ b/src/libgamma/SubpixelOrder.java
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+/**
+ * jlibgamma — Display server abstraction layer for gamma ramp and Java
+ * Copyright © 2014  Mattias Andrée (maandree@member.fsf.org)
+ * 
+ * This library 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 library 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 library.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package libgamma;
+
+
+/**
+ * Orders for subpixels. Currently the possible values are
+ * very biased to LCD, Plasma and monochrome monitors.
+ */
+public enum SubpixelOrder
+{
+    /**
+     * The adjustment method does not know the order of the subpixels.
+     * (This could be considered an error.)
+     */
+    UNKNOWN(0),
+    
+    /**
+     * There are no subpixels in the monitor.
+     */
+    NONE(1),
+    
+    /**
+     * The subpixels are ordered red, green and then blue, from left to right.
+     */
+    HORIZONTAL_RGB(2),
+    
+    /**
+     * The subpixels are ordered blue, green and then red, from left to right.
+     */
+    HORIZONTAL_BGR(3),
+    
+    /**
+     * The subpixels are ordered red, green and then blue, from the top down.
+     */
+    VERTICAL_RGB(4),
+    
+    /**
+     * The subpixels are ordered blue, green and then red, from the top down.
+     */
+    VERTICAL_BGR(5)
+    
+    ;
+    
+    /**
+     * Subpixel orders by their numerical values.
+     */
+    public static SubpixelOrder[] VALUES =
+    {
+	UNKNOWN, NONE, HORIZONTAL_RGB, HORIZONTAL_BGR, VERTICAL_RGB, VERTICAL_BGR
+    };
+    
+    
+    /**
+     * Constructor.
+     * 
+     * @param  value  The numerical value of the subpixel order.
+     */
+    private SubpixelOrder(int value)
+    {
+	this.value = value;
+    }
+    
+    
+    /**
+     * The numerical value of the subpixel order.
+     */
+    public int value;
+    
+}
+