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//-*-C++-*-
/*
**************************************************************************
description
--------------------
copyright : (C) 2001-2002 by Andreas Zehender
email : zehender@kde.org
**************************************************************************
**************************************************************************
* *
* This program 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. *
* *
**************************************************************************/
#ifndef PMBICUBICPATCH_H
#define PMBICUBICPATCH_H
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "pmgraphicalobject.h"
#include "pmvector.h"
class PMViewStructure;
/**
* Class for povray bicubic patches (bezier patches).
*/
class PMBicubicPatch : public PMGraphicalObject
{
typedef PMGraphicalObject Base;
public:
/**
* Creates an empty PMBicubicPatch
*/
PMBicubicPatch( PMPart* part );
/**
* Copy constructor
*/
PMBicubicPatch( const PMBicubicPatch& p );
/**
* deletes the PMBicubicPatch
*/
virtual ~PMBicubicPatch( );
/** */
virtual PMObject* copy( ) const { return new PMBicubicPatch( *this ); }
/** */
virtual QString description( ) const;
/** */
virtual PMMetaObject* metaObject( ) const;
/** */
virtual void cleanUp( ) const;
/** */
virtual void serialize( QDomElement& e, QDomDocument& doc ) const;
/** */
virtual void readAttributes( const PMXMLHelper& h );
/**
* Returns a new @ref PMBicubicPatchEdit
*/
virtual PMDialogEditBase* editWidget( QWidget* parent ) const;
/**
* Returns the name of the pixmap that is displayed in the tree view
* and dialog view
*/
virtual QString pixmap( ) const { return QString( "pmbicubicpatch" ); }
/** */
virtual void restoreMemento( PMMemento* s );
/** */
virtual void controlPoints( PMControlPointList& list );
/** */
virtual void controlPointsChanged( PMControlPointList& list );
/** */
virtual bool multipleSelectControlPoints( ) const { return true; }
/**
* Sets the type. Type must be 0 or 1
*/
void setPatchType( int type );
/**
* Returns the type
*/
int patchType( ) const { return m_patchType; }
/**
* Sets the number of u steps
*/
void setUSteps( int steps );
/**
* Returns the number of u steps
*/
int uSteps( ) const { return m_numUSteps; }
/**
* Sets the number of v steps
*/
void setVSteps( int steps );
/**
* Returns the number of v steps
*/
int vSteps( ) const { return m_numVSteps; }
/**
* Sets the flatness
*/
void setFlatness( double f );
/**
* Returns the flatness
*/
double flatness( ) const { return m_flatness; }
/**
* Sets the ith patch control point
*/
void setControlPoint( int i, const PMVector& p );
/**
* Returns the ith patch control point
*/
PMVector controlPoint( int i ) const;
/**
* Sets the uv vectors flag
*/
void enableUV( bool yes );
/**
* Returns the uv vectors flag
*/
bool isUVEnabled( ) const { return m_uvEnabled; }
/**
* Sets the ith uv vector
*/
void setUVVector( int i, const PMVector& v );
/**
* Returns the ith uv vector
*/
PMVector uvVector( int i ) const;
protected:
/** */
virtual bool isDefault( ) { return false; }
/** */
virtual void createViewStructure( );
/** */
virtual PMViewStructure* defaultViewStructure( ) const { return 0; }
private:
/**
* IDs for @ref PMMementoData
*/
enum PMBicubicPatchMementoID { PMTypeID, PMFlatnessID, PMUStepsID,
PMVStepsID,
PMCP0ID, PMCP1ID, PMCP2ID, PMCP3ID,
PMCP4ID, PMCP5ID, PMCP6ID, PMCP7ID,
PMCP8ID, PMCP9ID, PMCP10ID, PMCP11ID,
PMCP12ID, PMCP13ID, PMCP14ID, PMCP15ID,
PMUVEnabledID,
PMUV0ID, PMUV1ID, PMUV2ID, PMUV3ID };
/**
* The patch type
*/
int m_patchType;
/**
* Number of subdivisions
*/
int m_numUSteps, m_numVSteps;
/**
* Flatness of the patch
*/
double m_flatness;
/**
* The control points
*/
PMVector m_point[16];
int m_vsUSteps, m_vsVSteps;
bool m_uvEnabled;
PMVector m_uvVectors[4];
static PMMetaObject* s_pMetaObject;
};
#endif
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