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ViewTransform.h
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C/C++ Source or Header
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1992-11-17
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2KB
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61 lines
/*
* ViewTransform.h - class definition general view transformation.
*
* Copyright (C) 1992, Christoph Streit (streit@iam.unibe.ch)
* University of Berne, Switzerland
* All rights reserved.
*
* This software may be freely copied, modified, and redistributed
* provided that this copyright notice is preserved on all copies.
*
* You may not distribute this software, in whole or in part, as part of
* any commercial product without the express consent of the authors.
*
* There is no warranty or other guarantee of fitness of this software
* for any purpose. It is provided solely "as is".
*
*/
#ifndef ViewTransform_H
# define ViewTransform_H
#include <iostream.h>
#include "Vector.h"
#include "TransMatrix.h"
#include "BoundingBox.h"
//___________________________________________________________ ViewTransform
class ViewTransform
{
public:
ViewTransform(const Vector&, const Vector&, const Vector&, real, int, int);
ViewTransform(const BoundingBox&, const Vector&, real, int, int);
Vector transformWorld2Screen(const Vector&);
Vector transformWorld2View(const Vector&);
Vector transformView2Screen(const Vector&);
const Vector& getEye() const { return eye; }
const Vector& getLookat() const { return lookat; }
const Vector& getUp() const { return up; }
real getFov() const { return fov; }
int getResX() const { return resX; }
int getResY() const { return resY; }
const TransMatrix& getViewmat() const { return viewmat; }
friend ostream& operator<<(ostream&, const ViewTransform&);
private:
void buildView();
TransMatrix viewmat;
Vector eye, lookat, up;
real fov;
int resX, resY;
real widthOfViewplane;
};
#endif // ViewTransform_H