Added set and get methods for Matrixd and Matrixf.

include/osg/Quat

@@ -20,6 +20,9 @@
 
 namespace osg {
 
+class Matrixf;
+class Matrixd;
+
 /** A quaternion class. It can be used to represent an orientation in 3D space.*/
 class SG_EXPORT Quat
 {
@@ -87,6 +90,15 @@ class SG_EXPORT Quat
         {
             _fv = v;
         }
+        
+        void set(const Matrixf& matrix);
+        
+        void set(const Matrixd& matrix);
+        
+        void get(Matrixf& matrix) const;
+
+        void get(Matrixd& matrix) const;
+        
 
         inline float& operator [] (int i) { return _fv[i]; }
         inline float  operator [] (int i) const { return _fv[i]; }

src/osg/Quat.cpp

@@ -14,6 +14,8 @@
 #include <osg/Quat>
 #include <osg/Vec4>
 #include <osg/Vec3>
+#include <osg/Matrixf>
+#include <osg/Matrixd>
 
 #include <math.h>
 
@@ -24,6 +26,27 @@
 using namespace osg;
 
 
+void Quat::set(const Matrixf& matrix)
+{
+    matrix.get(*this);
+}
+
+void Quat::set(const Matrixd& matrix)
+{
+    matrix.get(*this);
+}
+
+void Quat::get(Matrixf& matrix) const
+{
+    matrix.set(*this);
+}
+
+void Quat::get(Matrixd& matrix) const
+{
+    matrix.set(*this);
+}
+
+
 /// Set the elements of the Quat to represent a rotation of angle
 /// (radians) around the axis (x,y,z)
 void Quat::makeRotate( float angle,