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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 $
|
| Description:
| This file defines the SoProfile node class.
|
| Author(s) : Thad Beier, Dave Immel, Paul Strauss
|
______________ S I L I C O N G R A P H I C S I N C . ____________
_______________________________________________________________________
*/
#ifndef _SO_PROFILE_
#define _SO_PROFILE_
#include <Inventor/SbLinear.h>
#include <Inventor/elements/SoProfileElement.h>
#include <Inventor/fields/SoMFInt32.h>
#include <Inventor/fields/SoSFEnum.h>
#include <Inventor/nodes/SoSubNode.h>
//////////////////////////////////////////////////////////////////////////////
//
// Class: SoProfile
//
// Abstract base class of 2D profiles. These profiles are used as trim
// curves for nurbs and bevels for 3D text. The two (so far) subclasses
// are SoLinearProfile and SoNurbsProfile
//
//////////////////////////////////////////////////////////////////////////////
// C-api: abstract
// C-api: prefix=SoProf
// C-api: public=index, linkage
class SoProfile : public SoNode{
SO_NODE_ABSTRACT_HEADER(SoProfile);
public:
enum Profile {
START_FIRST = SoProfileElement::START_FIRST,
START_NEW = SoProfileElement::START_NEW,
ADD_TO_CURRENT = SoProfileElement::ADD_TO_CURRENT
};
// Fields
SoMFInt32 index; // Number of vertices per profile
SoSFEnum linkage; // connectivity of this curve and others
SoEXTENDER public:
// These action methods are implemented for profiles. Each of them
// just adds the profile to the current state.
virtual void doAction(SoAction *action);
virtual void callback(SoCallbackAction *action);
virtual void GLRender(SoGLRenderAction *action);
virtual void getBoundingBox(SoGetBoundingBoxAction *action);
virtual void pick(SoPickAction *action);
// Returns a profile as a trim curve. numKnots is zero if the
// curve is linear. floatsPerVec will be either 2 or 3 depending
// on whether the curve is non-rational or rational.
virtual void getTrimCurve(SoState *state, int32_t &numPoints,
float *&points, int &floatsPerVec,
int32_t &numKnots, float *&knotVector) = 0;
// Returns vertices approximating the profile
virtual void getVertices(SoState *state, int32_t &nVertices,
SbVec2f *&vertices) = 0;
SoINTERNAL public:
static void initClass();
protected:
SoProfile();
virtual ~SoProfile();
};
#endif /* _SO_PROFILE_ */
|
