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diff --git a/source/blender/freestyle/intern/geometry/Noise.h b/source/blender/freestyle/intern/geometry/Noise.h
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+++ b/source/blender/freestyle/intern/geometry/Noise.h
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+//
+//  Filename         : Noise.h
+//  Author(s)        : Emmanuel Turquin
+//  Purpose          : Class to define Perlin noise
+//  Date of creation : 12/01/2004
+//
+///////////////////////////////////////////////////////////////////////////////
+
+
+//
+//  Copyright (C) : Please refer to the COPYRIGHT file distributed 
+//   with this source distribution. 
+//
+//  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 2
+//  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, write to the Free Software
+//  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+//
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef NOISE_H
+# define NOISE_H
+
+
+# include "../system/FreestyleConfig.h"
+# include "Geom.h"
+
+#define _Noise_B_ 0x100
+
+using namespace Geometry;
+using namespace std;
+
+/*! Class to provide Perlin Noise functionalities */
+class LIB_GEOMETRY_EXPORT Noise
+{
+ public:
+
+  /*! Builds a Noise object */
+  Noise(long seed = -1);
+  /*! Destructor */
+  ~Noise() {}
+
+  /*! Returns a noise value for a 1D element */
+  float turbulence1(float arg, float freq, float amp, unsigned oct = 4);
+
+  /*! Returns a noise value for a 2D element */
+  float turbulence2(Vec2f& v, float freq, float amp, unsigned oct = 4);
+
+  /*! Returns a noise value for a 3D element */
+  float turbulence3(Vec3f& v, float freq, float amp, unsigned oct = 4);
+
+  /*! Returns a smooth noise value for a 1D element */
+  float smoothNoise1(float arg);
+  /*! Returns a smooth noise value for a 2D element */
+  float smoothNoise2(Vec2f& vec);
+  /*! Returns a smooth noise value for a 3D element */
+  float smoothNoise3(Vec3f& vec);
+
+ private:
+
+  int p[ _Noise_B_ + _Noise_B_ + 2];
+  float g3[ _Noise_B_ + _Noise_B_ + 2][3];
+  float g2[ _Noise_B_ + _Noise_B_ + 2][2];
+  float g1[ _Noise_B_ + _Noise_B_ + 2];
+  int start;
+};
+
+#endif // NOISE_H