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/*
*
* Copyright (C) 2000 Silicon Graphics, Inc. All Rights Reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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
* Lesser General Public License for more details.
*
* Further, this software is distributed without any warranty that it is
* free of the rightful claim of any third person regarding infringement
* or the like. Any license provided herein, whether implied or
* otherwise, applies only to this software file. Patent licenses, if
* any, provided herein do not apply to combinations of this program with
* other software, or any other product whatsoever.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
* Mountain View, CA 94043, or:
*
* http://www.sgi.com
*
* For further information regarding this notice, see:
*
* http://oss.sgi.com/projects/GenInfo/NoticeExplan/
*
*/
// -*- C++ -*-
/*
* Copyright (C) 1990,91 Silicon Graphics, Inc.
*
_______________________________________________________________________
______________ S I L I C O N G R A P H I C S I N C . ____________
|
| $Revision: 1.1.1.1 $
|
| Description:
| This file defines the SoOrthographicCamera node class.
|
| Author(s) : Paul S. Strauss
|
______________ S I L I C O N G R A P H I C S I N C . ____________
_______________________________________________________________________
*/
#ifndef _SO_ORTHOGRAPHIC_CAMERA_
#define _SO_ORTHOGRAPHIC_CAMERA_
#include <Inventor/nodes/SoCamera.h>
//////////////////////////////////////////////////////////////////////////////
//
// Class: SoOrthographicCamera
//
// Orthographic camera node.
//
//////////////////////////////////////////////////////////////////////////////
// C-api: prefix=SoOrthoCam
// C-api: public= viewportMapping, position, orientation, aspectRatio
// C-api: public= nearDistance, farDistance, focalDistance
// C-api: public= height
class SoOrthographicCamera : public SoCamera {
SO_NODE_HEADER(SoOrthographicCamera);
public:
// Fields (some are inherited from SoCamera)
SoSFFloat height;
// Constructor
SoOrthographicCamera();
// Scales the height of the camera, in this case, the 'height' field.
// C-api: begin
virtual void scaleHeight( float scaleFactor );
// Fills in a view volume structure, based on the camera. If the
// useAspectRatio field is not 0.0 (the default), the camera uses
// that ratio instead of the one it has.
virtual SbViewVolume getViewVolume(float useAspectRatio = 0.0) const;
SoINTERNAL public:
static void initClass();
protected:
// Positions camera to view passed bounding box with given aspect
// ratio and current height
virtual void viewBoundingBox(const SbBox3f &box,
float aspect, float slack);
protected:
virtual ~SoOrthographicCamera();
};
#endif /* _SO_ORTHOGRAPHIC_CAMERA_ */
|
