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sglViewPlatform.hpp

/*****************************************************************************
 * SGL: A Scene Graph Library
 *
 * Copyright (C) 1997-2001  Scott McMillan   All Rights Reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the Free
 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *****************************************************************************
 *     File: sglViewPlatform.hpp
 *   Author: Scott McMillan
 *  Created: 14 December 2000
 *****************************************************************************/

#ifndef __SGL_VIEW_PLATFORM_HPP
#define __SGL_VIEW_PLATFORM_HPP

#include <sgl.h>
#include <sglNode.hpp>
#include <sglCamera.hpp>

class SGL_DLL_API sglViewPlatform : public sglNode
{
public:
   sglViewPlatform(sglCamera &camera);

   virtual ~sglViewPlatform();

   void setEnableZUp(bool on) { m_rotx_flag = on; }

   bool getEnableZUp() const  { return m_rotx_flag; }

   void computeViewMatrix(sglMat4f &curr_mat) const;

   void computeViewMatrix(sglMat4d &curr_mat) const;

   sglCamera &getCamera() const { return *m_camera; }

   void setCamera(sglCamera &camera);

   // See sglNode::clone(..) for details.
   virtual sglNode *clone(unsigned int mode) const;

   // See sglObject::printInfo() for details.
   virtual void printInfo(ostream &ostrm, const char *indent_string) const;

protected:
   void computeBound();

   // See sglNode::cull(f) for details
   virtual void cull(sglCull<float> &,  unsigned int) const {}
   // See sglNode::cull(d) for details
   virtual void cull(sglCull<double> &, unsigned int) const {}

   void copyTo(sglViewPlatform *dst, unsigned int mode) const;

private:   // not implemented
   sglViewPlatform();
   sglViewPlatform(const sglViewPlatform &);
   sglViewPlatform &operator=(const sglViewPlatform &);

private:
   bool m_rotx_flag;
   sglCamera *m_camera;
};

#endif

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