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/****************************************************************************
Copyright (C) 2002-2007 Gilles Debunne (Gilles.Debunne@imag.fr)
This file is part of the QGLViewer library.
Version 2.2.6-3, released on August 28, 2007.
http://artis.imag.fr/Members/Gilles.Debunne/QGLViewer
libQGLViewer 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.
libQGLViewer 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with libQGLViewer; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*****************************************************************************/
#include "standardCamera.h"
#if QT_VERSION >= 0x040000
# include <QWheelEvent>
#endif
using namespace qglviewer;
StandardCamera::StandardCamera()
{
standard = true;
orthoSize = 1.0;
}
float StandardCamera::zNear() const
{
if (standard)
return 0.001;
else
return Camera::zNear();
}
float StandardCamera::zFar() const
{
if (standard)
return 1000.0;
else
return Camera::zFar();
}
void StandardCamera::changeOrthoFrustumSize(int delta)
{
if (delta > 0)
orthoSize *= 1.1;
else
orthoSize /= 1.1;
}
void StandardCamera::getOrthoWidthHeight(GLdouble &halfWidth, GLdouble &halfHeight) const
{
if (standard)
{
halfHeight = orthoSize;
halfWidth = aspectRatio() * orthoSize;
}
else
Camera::getOrthoWidthHeight(halfWidth, halfHeight);
}
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