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// -*- c-basic-offset: 4 -*-
/** @file Lens.h
*
* @brief Lens class
*
* !! from PanoramaMemento.h 1970
*
* @author Pablo d'Angelo <pablo.dangelo@web.de>
*
* $Id$
*
* This 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 software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this software; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef _PANODATA_LENS_H
#define _PANODATA_LENS_H
#include <string>
#include <vector>
#include <map>
#include <hugin_shared.h>
#include <hugin_math/hugin_math.h>
#include <panodata/PanoramaVariable.h>
#include <panodata/SrcPanoImage.h>
namespace HuginBase {
class IMPEX Lens {
public:
typedef BaseSrcPanoImage::Projection LensProjectionFormat;
/** construct a new lens.
*
*/
Lens();
public:
/** get projection type */
LensProjectionFormat getProjection() const
{ return m_projectionFormat; }
/** set projection type */
void setProjection(LensProjectionFormat l)
{ m_projectionFormat = l; }
/** get HFOV in degrees */
double getHFOV() const;
/** set HFOV in degrees */
void setHFOV(double d);
/** get focal length of lens, it is calculated from the HFOV */
double getFocalLength() const;
/** get crop factor, d35mm/dreal */
double getCropFactor() const
{ return m_cropFactor; };
/** sets the crop factor */
void setCropFactor(double newCropFactor)
{ m_cropFactor=newCropFactor; };
/** return the sensor ratio (width/height)
*/
double getAspectRatio() const;
/** check if the image associated with this lens is in landscape orientation.
*/
bool isLandscape() const;
/** set the exposure value */
void setEV(double ev);
/** get the image size, in pixels */
vigra::Size2D getImageSize() const
{ return m_imageSize; }
/** set image size in pixels */
void setImageSize(const vigra::Size2D & sz)
{ m_imageSize = sz; }
// updates everything, including the lens variables.
void update(const Lens & l);
public: //?
// bool isLandscape;
// these are the lens specific settings.
// lens correction parameters
LensVarMap variables;
#ifndef SWIG
// dimensionless array not supported by SWIG
static const char *variableNames[];
#endif
bool m_hasExif;
private:
LensProjectionFormat m_projectionFormat;
vigra::Size2D m_imageSize;
double m_cropFactor;
};
///
typedef std::vector<Lens> LensVector;
} // namespace
#endif // _H

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