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Coin / include / Inventor / engines / SoHeightMapToNormalMap.h

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Lars J. Aas 386f36e 
Marius Kintel 3ba6b41 




























Lars J. Aas 386f36e 
































/**************************************************************************\
 * Copyright (c) Kongsberg Oil & Gas Technologies AS
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 * 
 * Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 * 
 * Redistributions 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 the copyright holder nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
\**************************************************************************/

#ifndef COIN_SOHEIGHTMAPTONORMALMAP_H
#define COIN_SOHEIGHTMAPTONORMALMAP_H

#include <Inventor/SbVec2s.h>
#include <Inventor/engines/SoTexture2Convert.h>
#include <Inventor/fields/SoSFEnum.h>

class SbImage;

class COIN_DLL_API SoHeightMapToNormalMap : public SoTexture2Convert {
  typedef SoTexture2Convert inherited;
  SO_ENGINE_HEADER(SoHeightMapToNormalMap);

public:
  static void initClass(void);
  SoHeightMapToNormalMap(void);

  enum NormalMapFormat {
    INT8
  };

  SoSFEnum format;

  static void convert(const unsigned char * srcptr, SbVec2s size, int nc, SbImage & dst_out);

protected:
  virtual void inputChanged(SoField * which);
  virtual void evaluate(void);

}; // SoHeightMapToNormalMap

#endif // !COIN_SOHEIGHTMAPTONORMALMAP_H