Copied JOGL_2_SANDBOX r1957 on to trunk; JOGL_2_SANDBOX branch is now closed

git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/svn-server-sync/jogl/trunk@1959 232f8b59-042b-4e1e-8c03-345bb8c30851

1 files changed, 61 insertions, 0 deletions

diff --git a/src/jogl/classes/com/sun/opengl/util/FixedPoint.java b/src/jogl/classes/com/sun/opengl/util/FixedPoint.java
new file mode 100644
index 000000000..e9bdae0e9
--- /dev/null
+++ b/src/jogl/classes/com/sun/opengl/util/FixedPoint.java
@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2009 Sun Microsystems, Inc. All Rights Reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * 
+ * - Redistribution of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * 
+ * - Redistribution in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * 
+ * Neither the name of Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ * 
+ * This software is provided "AS IS," without a warranty of any kind. ALL
+ * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+ * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
+ * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
+ * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
+ * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
+ * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
+ * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
+ * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
+ * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
+ * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ * 
+ */
+
+package com.sun.opengl.util;
+
+public class FixedPoint {
+  public static final int toFixed(int value) {
+    if (value < -32768) value = -32768;
+    if (value > 32767) value = 32767;
+    return value * 65536;
+  }
+
+  public static final int toFixed(float value) {
+    if (value < -32768) value = -32768;
+    if (value > 32767) value = 32767;
+    return (int)(value * 65536.0f);
+  }
+
+  public static final float toFloat(int value) {
+    return (float)value/65536.0f;
+  }
+
+  public static final int mult(int x1, int x2) {
+    return (int) ( ((long)x1*(long)x2)/65536 );
+  }
+
+  public static final int div(int x1, int x2) {
+    return (int) ( (((long)x1)<<16)/x2 );
+  }
+}
+