#ifndef SIMVOLEON_CVR2DTEXPAGE_H
#define SIMVOLEON_CVR2DTEXPAGE_H

/**************************************************************************\
 * 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
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
\**************************************************************************/

#include <Inventor/SbVec2s.h>

class Cvr2DTexSubPage;
class CvrCLUT;
class SbVec3f;
class SoGLRenderAction;
class SoState;

// *************************************************************************

class Cvr2DTexPage {

public:
  Cvr2DTexPage(const SoGLRenderAction * action,
               const unsigned int axis, const unsigned int sliceidx,
               const SbVec2s & subpagetexsize);
  ~Cvr2DTexPage();

  void render(const SoGLRenderAction * action, const SbVec3f & origo,
              const SbVec3f & horizspan, const SbVec3f & verticalspan);

  void setPalette(const CvrCLUT * c);
  const CvrCLUT * getPalette(void) const;

private:
  class Cvr2DTexSubPageItem * getSubPage(SoState * state, int col, int row);

  class Cvr2DTexSubPageItem * buildSubPage(const SoGLRenderAction * action,
                                           int col, int row);

  void releaseSubPage(Cvr2DTexSubPage * page);

  void releaseAllSubPages(void);
  void releaseSubPage(const int row, const int col);

  int calcSubPageIdx(int row, int col) const;

  class Cvr2DTexSubPageItem ** subpages;

  unsigned int axis;
  unsigned int sliceidx;
  SbVec2s subpagesize;
  SbVec2s dimensions;

  int nrcolumns;
  int nrrows;

  const CvrCLUT * clut;
};

#endif // !SIMVOLEON_CVR2DTEXPAGE_H
