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1188 lines
32 KiB
1188 lines
32 KiB
/*
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**************************************************************************
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description
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--------------------
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copyright : (C) 2002 by Andreas Zehender
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email : zehender@kde.org
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**************************************************************************
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**************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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**************************************************************************/
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#include "pmprism.h"
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#include "pmxmlhelper.h"
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#include "pmprismedit.h"
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#include "pmmemento.h"
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#include "pmviewstructure.h"
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#include "pm2dcontrolpoint.h"
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#include "pmdistancecontrolpoint.h"
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#include "pmprismmemento.h"
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#include "pmsplinesegment.h"
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#include "pmdefaults.h"
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#include "pmenumproperty.h"
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#include "pmobjectaction.h"
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#include <klocale.h>
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const int defaultNumberOfPoints = 6;
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const PMVector defaultPoint[defaultNumberOfPoints] =
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{
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PMVector( 0.5, 1.0 ),
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PMVector( 1.0, 0.0 ),
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PMVector( 0.5, -1.0 ),
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PMVector( -0.5, -1.0 ),
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PMVector( -1.0, 0.0 ),
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PMVector( -0.5, 1.0 ),
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};
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const bool defaultSturm = false;
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const bool defaultOpen = false;
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const PMPrism::SplineType defaultSplineType = PMPrism::LinearSpline;
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const PMPrism::SweepType defaultSweepType = PMPrism::LinearSweep;
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const double defaultHeight1 = 0.0;
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const double defaultHeight2 = 1.0;
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int PMPrism::s_sSteps = c_defaultPrismSSteps;
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int PMPrism::s_parameterKey = 0;
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PMMetaObject* PMPrism::s_pMetaObject = 0;
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PMObject* createNewPrism( PMPart* part )
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{
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return new PMPrism( part );
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}
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PMDefinePropertyClass( PMPrism, PMPrismProperty );
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PMDefineEnumPropertyClass( PMPrism, PMPrism::SplineType, PMSplineTypeProperty );
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PMDefineEnumPropertyClass( PMPrism, PMPrism::SweepType, PMSweepTypeProperty );
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class PMPointProperty : public PMPropertyBase
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{
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public:
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PMPointProperty( )
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: PMPropertyBase( "splinePoints", PMVariant::Vector )
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{
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m_index[0] = 0;
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m_index[1] = 0;
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}
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virtual int dimensions( ) const { return 2; }
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virtual void setIndex( int dimension, int index )
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{
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if( dimension == 0 || dimension == 1 )
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m_index[dimension] = index;
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}
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virtual int size( PMObject* object, int dimension ) const
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{
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PMPrism* prism = ( PMPrism* ) object;
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TQValueList< TQValueList<PMVector> > points = prism->points( );
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if( dimension == 0 )
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return points.size( );
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else
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{
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TQValueList< TQValueList<PMVector> >::ConstIterator it
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= points.at( m_index[0] );
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if( it != points.end( ) )
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return ( *it ).size( );
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}
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return 0;
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}
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protected:
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virtual bool setProtected( PMObject* obj, const PMVariant& var )
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{
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PMPrism* p = ( PMPrism* ) obj;
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TQValueList< TQValueList<PMVector> > list = p->points( );
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TQValueList< TQValueList<PMVector> >::Iterator sit = list.begin( );
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int i;
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PMVector v = var.vectorData( );
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v.resize( 2 );
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for( i = 0; i < m_index[0] && sit != list.end( ); ++i )
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++sit;
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// expand the list if necessary
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for( ; i < m_index[0]; ++i )
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list.insert( sit, TQValueList< PMVector >( ) );
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if( sit == list.end( ) )
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sit = list.insert( sit, TQValueList< PMVector >( ) );
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TQValueList<PMVector>::Iterator it = ( *sit ).begin( );
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for( i = 0; i < m_index[1] && it != ( *sit ).end( ); ++i )
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++it;
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// expand the list if necessary
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for( ; i < m_index[1]; ++i )
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( *sit ).insert( it, v );
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if( it == ( *sit ).end( ) )
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it = ( *sit ).insert( it, v );
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else
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*it = v;
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p->setPoints( list );
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return true;
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}
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virtual PMVariant getProtected( const PMObject* obj )
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{
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PMPrism* p = ( PMPrism* ) obj;
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TQValueList< TQValueList<PMVector> > list = p->points( );
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TQValueList< TQValueList<PMVector> >::ConstIterator sit = list.at( m_index[0] );
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if( sit == list.end( ) )
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{
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kdError( PMArea ) << "Range error in PMPrism::PointProperty::get" << endl;
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return PMVariant( );
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}
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TQValueList<PMVector>::ConstIterator it = ( *sit ).at( m_index[1] );
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if( it == ( *sit ).end( ) )
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{
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kdError( PMArea ) << "Range error in PMPrism::PointProperty::get" << endl;
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return PMVariant( );
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}
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return PMVariant( *it );
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}
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private:
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int m_index[2];
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};
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PMPrism::PMPrism( PMPart* part )
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: Base( part )
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{
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int i;
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TQValueList<PMVector> p;
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for( i = 0; i < defaultNumberOfPoints; ++i )
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p.append( defaultPoint[i] );
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m_points.append( p );
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m_splineType = defaultSplineType;
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m_sweepType = defaultSweepType;
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m_sturm = defaultSturm;
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m_open = defaultOpen;
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m_height1 = defaultHeight1;
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m_height2 = defaultHeight2;
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}
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PMPrism::PMPrism( const PMPrism& p )
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: Base( p )
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{
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m_splineType = p.m_splineType;
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m_sweepType = p.m_sweepType;
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m_points = p.m_points;
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m_height1 = p.m_height1;
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m_height2 = p.m_height2;
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m_open = p.m_open;
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m_sturm = p.m_sturm;
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}
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PMPrism::~PMPrism( )
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{
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}
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TQString PMPrism::description( ) const
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{
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return i18n( "prism" );
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}
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void PMPrism::serialize( TQDomElement& e, TQDomDocument& doc ) const
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{
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TQDomElement data = doc.createElement( "extra_data" );
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TQDomElement p, p2;
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e.setAttribute( "spline_type", m_splineType );
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e.setAttribute( "sweep_type", m_sweepType );
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e.setAttribute( "sturm", m_sturm );
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e.setAttribute( "open", m_open );
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e.setAttribute( "height1", m_height1 );
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e.setAttribute( "height2", m_height2 );
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TQValueList< TQValueList<PMVector> >::ConstIterator it;
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TQValueList<PMVector>::ConstIterator it2;
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for( it = m_points.begin( ); it != m_points.end( ); ++it )
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{
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p = doc.createElement( "sub_prism" );
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for( it2 = ( *it ).begin( ); it2 != ( *it ).end( ); ++it2 )
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{
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p2 = doc.createElement( "point" );
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p2.setAttribute( "vector", ( *it2 ).serializeXML( ) );
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p.appendChild( p2 );
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}
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data.appendChild( p );
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}
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e.appendChild( data );
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Base::serialize( e, doc );
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}
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void PMPrism::readAttributes( const PMXMLHelper& h )
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{
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m_splineType = ( SplineType ) h.intAttribute( "spline_type", defaultSplineType );
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m_sweepType = ( SweepType ) h.intAttribute( "sweep_type", defaultSweepType );
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m_open = h.boolAttribute( "open", defaultOpen );
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m_sturm = h.boolAttribute( "sturm", defaultSturm );
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m_height1 = h.doubleAttribute( "height1", defaultHeight1 );
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m_height2 = h.doubleAttribute( "height2", defaultHeight2 );
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m_points.clear( );
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TQValueList<PMVector> list;
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PMVector v( 2 );
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TQDomElement e = h.extraData( );
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if( !e.isNull( ) )
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{
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TQDomNode sp = e.firstChild( );
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while( !sp.isNull( ) )
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{
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if( sp.isElement( ) )
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{
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TQDomElement spe = sp.toElement( );
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if( spe.tagName( ) == "sub_prism" )
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{
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list.clear( );
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TQDomNode c = spe.firstChild( );
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while( !c.isNull( ) )
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{
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if( c.isElement( ) )
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{
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TQDomElement ce = c.toElement( );
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if( ce.tagName( ) == "point" )
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{
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TQString str = ce.attribute( "vector" );
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if( !str.isNull( ) )
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{
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v.loadXML( str );
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list.append( v );
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}
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}
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}
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c = c.nextSibling( );
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}
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m_points.append( list );
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}
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}
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sp = sp.nextSibling( );
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}
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}
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Base::readAttributes( h );
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}
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PMMetaObject* PMPrism::tqmetaObject( ) const
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{
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if( !s_pMetaObject )
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{
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s_pMetaObject = new PMMetaObject( "Prism", Base::tqmetaObject( ),
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createNewPrism );
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s_pMetaObject->addProperty(
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new PMPrismProperty( "sturm", &PMPrism::setSturm, &PMPrism::sturm ) );
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s_pMetaObject->addProperty(
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new PMPrismProperty( "open", &PMPrism::setOpen, &PMPrism::open ) );
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s_pMetaObject->addProperty(
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new PMPrismProperty( "height1", &PMPrism::setHeight1, &PMPrism::height1 ) );
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s_pMetaObject->addProperty(
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new PMPrismProperty( "height2", &PMPrism::setHeight2, &PMPrism::height2 ) );
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PMSplineTypeProperty* p = new PMSplineTypeProperty(
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"splineType", &PMPrism::setSplineType, &PMPrism::splineType );
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p->addEnumValue( "LinearSpline", LinearSpline );
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p->addEnumValue( "QuadraticSpline", QuadraticSpline );
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p->addEnumValue( "CubicSpline", CubicSpline );
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p->addEnumValue( "BezierSpline", BezierSpline );
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s_pMetaObject->addProperty( p );
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PMSweepTypeProperty* sp = new PMSweepTypeProperty(
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"sweepType", &PMPrism::setSweepType, &PMPrism::sweepType );
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sp->addEnumValue( "LinearSweep", LinearSweep );
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sp->addEnumValue( "ConicSweep", ConicSweep );
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s_pMetaObject->addProperty( sp );
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s_pMetaObject->addProperty( new PMPointProperty( ) );
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}
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return s_pMetaObject;
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}
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void PMPrism::cleanUp( ) const
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{
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if( s_pMetaObject )
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{
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delete s_pMetaObject;
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s_pMetaObject = 0;
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}
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Base::cleanUp( );
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}
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void PMPrism::setSplineType( PMPrism::SplineType t )
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{
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if( m_splineType != t )
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{
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if( m_pMemento )
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m_pMemento->addData( s_pMetaObject, PMSplineTypeID, ( int ) m_splineType );
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setViewStructureChanged( );
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m_splineType = t;
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}
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}
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void PMPrism::setSweepType( PMPrism::SweepType t )
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{
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if( m_sweepType != t )
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{
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if( m_pMemento )
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m_pMemento->addData( s_pMetaObject, PMSweepTypeID, ( int ) m_sweepType );
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setViewStructureChanged( );
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m_sweepType = t;
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}
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}
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void PMPrism::setSturm( bool s )
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{
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if( m_sturm != s )
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{
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if( m_pMemento )
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m_pMemento->addData( s_pMetaObject, PMSturmID, m_sturm );
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m_sturm = s;
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}
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}
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void PMPrism::setOpen( bool o )
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{
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if( m_open != o )
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{
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if( m_pMemento )
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m_pMemento->addData( s_pMetaObject, PMOpenID, m_open );
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m_open = o;
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}
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}
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void PMPrism::setHeight1( double h )
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{
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if( m_height1 != h )
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{
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if( m_pMemento )
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m_pMemento->addData( s_pMetaObject, PMHeight1ID, m_height1 );
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m_height1 = h;
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setViewStructureChanged( );
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}
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}
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void PMPrism::setHeight2( double h )
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{
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if( m_height2 != h )
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{
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if( m_pMemento )
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m_pMemento->addData( s_pMetaObject, PMHeight2ID, m_height2 );
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m_height2 = h;
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setViewStructureChanged( );
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}
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}
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void PMPrism::setPoints( const TQValueList< TQValueList<PMVector> >& points )
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{
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if( m_points != points )
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{
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if( m_pMemento )
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( ( PMPrismMemento* ) m_pMemento )->setPrismPoints( m_points );
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setViewStructureChanged( );
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m_points = points;
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}
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}
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PMDialogEditBase* PMPrism::editWidget( TQWidget* tqparent ) const
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{
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return new PMPrismEdit( tqparent );
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}
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void PMPrism::createMemento( )
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{
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if( m_pMemento )
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delete m_pMemento;
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m_pMemento = new PMPrismMemento( this );
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}
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void PMPrism::restoreMemento( PMMemento* s )
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{
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PMPrismMemento* m = ( PMPrismMemento* ) s;
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PMMementoDataIterator it( s );
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PMMementoData* data;
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for( ; it.current( ); ++it )
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{
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data = it.current( );
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if( data->objectType( ) == s_pMetaObject )
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{
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switch( data->valueID( ) )
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{
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case PMSplineTypeID:
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setSplineType( ( SplineType ) data->intData( ) );
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break;
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case PMSweepTypeID:
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setSweepType( ( SweepType ) data->intData( ) );
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break;
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case PMOpenID:
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setOpen( data->boolData( ) );
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break;
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case PMSturmID:
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setSturm( data->boolData( ) );
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break;
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case PMHeight1ID:
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setHeight1( data->doubleData( ) );
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break;
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case PMHeight2ID:
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setHeight2( data->doubleData( ) );
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break;
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default:
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kdError( PMArea ) << "Wrong ID in PMPrism::restoreMemento\n";
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break;
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}
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}
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}
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if( m->prismPointsSaved( ) )
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setPoints( m->prismPoints( ) );
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Base::restoreMemento( s );
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}
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void PMPrism::createViewStructure( )
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{
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if( s_sSteps == 0 )
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s_sSteps = c_defaultPrismSSteps;
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int sSteps = (int)( ( (float)s_sSteps / 2 ) * ( displayDetail( ) + 1 ) );
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// calculate number of points and lines of the view structure
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TQValueList< TQValueList<PMVector> >::ConstIterator spit = m_points.begin( );
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int np = 0;
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for( ; spit != m_points.end( ); ++spit )
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{
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int snp = ( *spit ).count( );
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switch( m_splineType )
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{
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case LinearSpline:
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break;
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case QuadraticSpline:
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snp -= 1;
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break;
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case CubicSpline:
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snp -= 2;
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break;
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case BezierSpline:
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snp /= 3;
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break;
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}
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np += snp;
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}
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int nl = 0;
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nl = np * sSteps * 3;
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np *= sSteps * 2;
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if( m_pViewStructure )
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{
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if( m_pViewStructure->points( ).size( ) != ( unsigned ) np )
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m_pViewStructure->points( ).resize( np );
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if( m_pViewStructure->lines( ).size( ) != ( unsigned ) nl )
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m_pViewStructure->lines( ).resize( nl );
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}
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else
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m_pViewStructure = new PMViewStructure( np, nl );
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PMLineArray& lines = m_pViewStructure->lines( );
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PMPointArray& points = m_pViewStructure->points( );
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int lb = 0;
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int pb = 0;
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for( spit = m_points.begin( ); spit != m_points.end( ); ++spit )
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{
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TQValueList<PMSplineSegment> segments;
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TQValueList<PMVector> fullPoints = expandedPoints( *spit );
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int ns = fullPoints.count( );
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int i, j;
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switch( m_splineType )
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{
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case LinearSpline:
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ns -= 1;
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break;
|
|
case QuadraticSpline:
|
|
ns -= 2;
|
|
break;
|
|
case CubicSpline:
|
|
ns -= 3;
|
|
break;
|
|
case BezierSpline:
|
|
ns = ns / 4;
|
|
break;
|
|
}
|
|
TQValueList<PMVector>::Iterator it1, it2, it3, it4;
|
|
|
|
// create the spline segments
|
|
it1 = fullPoints.begin( );
|
|
it2 = it1; ++it2;
|
|
it3 = it2; ++it3;
|
|
it4 = it3; ++it4;
|
|
PMSplineSegment s;
|
|
|
|
for( i = 0; i < ns; ++i )
|
|
{
|
|
switch( m_splineType )
|
|
{
|
|
case LinearSpline:
|
|
s.calculateLinear( *it1, *it2 );
|
|
++it1;
|
|
++it2;
|
|
break;
|
|
case QuadraticSpline:
|
|
s.calculateQuadratic( *it1, *it2, *it3 );
|
|
++it1;
|
|
++it2;
|
|
++it3;
|
|
break;
|
|
case CubicSpline:
|
|
s.calculateCubic( *it1, *it2, *it3, *it4 );
|
|
++it1;
|
|
++it2;
|
|
++it3;
|
|
++it4;
|
|
break;
|
|
case BezierSpline:
|
|
s.calculateBezier( *it1, *it2, *it3, *it4 );
|
|
for( j = 0; j < 4; ++j )
|
|
{
|
|
++it1;
|
|
++it2;
|
|
++it3;
|
|
++it4;
|
|
}
|
|
break;
|
|
}
|
|
segments.append( s );
|
|
}
|
|
|
|
// create the line array
|
|
int vp = ns * sSteps;
|
|
for( i = 0; i < vp - 1; ++i )
|
|
lines[lb+i] = PMLine( pb + i, pb + i + 1 );
|
|
lines[lb+vp-1] = PMLine( pb, pb + vp - 1 );
|
|
lb += vp;
|
|
for( i = 0; i < vp - 1; ++i )
|
|
lines[lb+i] = PMLine( pb + vp + i, pb + vp + i + 1 );
|
|
lines[lb+vp-1] = PMLine( pb + vp, pb + vp + vp - 1 );
|
|
lb += vp;
|
|
for( i = 0; i < vp; ++i )
|
|
lines[lb+i] = PMLine( pb + i, pb + vp + i );
|
|
lb += vp;
|
|
|
|
// calculate the points
|
|
PMVector point2( 2 ), point3;
|
|
TQValueList<PMSplineSegment>::Iterator sit = segments.begin( );
|
|
int pi = 0;
|
|
double poffset = 1.0 / sSteps;
|
|
|
|
for( i = 0; i < ns; ++i, ++sit )
|
|
{
|
|
for( j = 0; j < sSteps; ++j )
|
|
{
|
|
point2 = ( *sit ).point( poffset * j );
|
|
if( m_sweepType == LinearSweep )
|
|
{
|
|
point3[0] = point2[0];
|
|
point3[1] = m_height1;
|
|
point3[2] = point2[1];
|
|
points[pb+pi] = PMPoint( point3 );
|
|
point3[1] = m_height2;
|
|
points[pb+pi+vp] = PMPoint( point3 );
|
|
}
|
|
else
|
|
{
|
|
point3[0] = point2[0];
|
|
point3[1] = 1.0;
|
|
point3[2] = point2[1];
|
|
points[pb+pi] = PMPoint( point3 * m_height1 );
|
|
points[pb+pi+vp] = PMPoint( point3 * m_height2 );
|
|
}
|
|
++pi;
|
|
}
|
|
}
|
|
pb += vp * 2;
|
|
}
|
|
}
|
|
|
|
void PMPrism::controlPoints( PMControlPointList& list )
|
|
{
|
|
TQValueList< TQValueList<PMVector> >::Iterator it1;
|
|
TQValueList<PMVector>::Iterator it2;
|
|
int i1, i2;
|
|
|
|
list.append( new PMDistanceControlPoint( PMVector( 0.0, 0.0, 0.0 ),
|
|
PMVector( 0.0, 1.0, 0.0 ),
|
|
m_height1, PMHeight1ID,
|
|
i18n( "Height 1" ) ) );
|
|
list.append( new PMDistanceControlPoint( PMVector( 0.0, 0.0, 0.0 ),
|
|
PMVector( 0.0, 1.0, 0.0 ),
|
|
m_height2, PMHeight2ID,
|
|
i18n( "Height 2" ) ) );
|
|
|
|
PM2DControlPoint* cp;
|
|
|
|
for( it1 = m_points.begin( ), i1 = 0; it1 != m_points.end( ); ++it1, ++i1 )
|
|
{
|
|
if( m_splineType != BezierSpline )
|
|
{
|
|
int refb = ( *it1 ).count( ) - 1;
|
|
if( m_splineType == CubicSpline )
|
|
--refb;
|
|
it2 = ( *it1 ).begin( );
|
|
PM2DControlPoint* firstPoint = 0;
|
|
PM2DControlPoint* secondPoint = 0;
|
|
|
|
for( i2 = 0; it2 != ( *it1 ).end( ); ++it2, ++i2 )
|
|
{
|
|
cp = new PM2DControlPoint( *it2, PM2DControlPoint::PM2DXZ, i2,
|
|
i18n( "Point %1.%2" ).tqarg( i1 + 1 ).tqarg( i2 + 1 ) );
|
|
if( i2 == 0 )
|
|
firstPoint = cp;
|
|
else if( i2 == 1 )
|
|
secondPoint = cp;
|
|
|
|
cp->setThirdCoordinate( m_height2 );
|
|
if( m_sweepType == ConicSweep )
|
|
cp->setScale( m_height2 );
|
|
if( ( ( m_splineType == QuadraticSpline )
|
|
|| ( m_splineType == CubicSpline ) )
|
|
&& ( i2 == 1 ) )
|
|
firstPoint->setBasePoint( cp );
|
|
if( ( m_splineType == CubicSpline ) && ( i2 == ( refb + 2 ) ) )
|
|
cp->setBasePoint( secondPoint );
|
|
|
|
list.append( cp );
|
|
|
|
if( ( m_splineType != BezierSpline ) && ( i2 == refb ) )
|
|
++i2;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
it2 = ( *it1 ).begin( );
|
|
PM2DControlPoint* firstPoint = 0;
|
|
PM2DControlPoint* lastPoint = 0;
|
|
PM2DControlPoint* startPoint = 0;
|
|
|
|
for( i2 = 0; it2 != ( *it1 ).end( ); ++it2, ++i2 )
|
|
{
|
|
int i2mod4 = i2 % 4;
|
|
cp = new PM2DControlPoint( *it2, PM2DControlPoint::PM2DXZ, i2,
|
|
i18n( "Point %1.%2" ).tqarg( i1 + 1 ).tqarg( i2 + 1 ) );
|
|
if( i2mod4 == 0 )
|
|
firstPoint = cp;
|
|
if( i2mod4 == 2 )
|
|
lastPoint = cp;
|
|
if( !startPoint )
|
|
startPoint = cp;
|
|
|
|
cp->setThirdCoordinate( m_height2 );
|
|
if( m_sweepType == ConicSweep )
|
|
cp->setScale( m_height2 );
|
|
if( i2mod4 == 1 )
|
|
cp->setBasePoint( firstPoint );
|
|
if( ( i2mod4 == 0 ) && lastPoint )
|
|
lastPoint->setBasePoint( cp );
|
|
|
|
list.append( cp );
|
|
|
|
if( i2mod4 == 2 )
|
|
++i2;
|
|
}
|
|
if( lastPoint )
|
|
lastPoint->setBasePoint( startPoint );
|
|
}
|
|
}
|
|
}
|
|
|
|
void PMPrism::controlPointsChanged( PMControlPointList& list )
|
|
{
|
|
PMControlPointListIterator it( list );
|
|
TQValueList< TQValueList<PMVector> >::Iterator spit = m_points.begin( );
|
|
TQValueList<PMVector>::Iterator pit = ( *spit ).begin( );
|
|
PM2DControlPoint* p1;
|
|
PMDistanceControlPoint* dcp;
|
|
bool firstChange = true;
|
|
bool h2changed = false;
|
|
|
|
// IDs are ignored, quick hack, but should work
|
|
if( it.current( )->changed( ) )
|
|
{
|
|
dcp = ( PMDistanceControlPoint* ) it.current( );
|
|
setHeight1( dcp->distance( ) );
|
|
}
|
|
++it;
|
|
if( it.current( )->changed( ) )
|
|
{
|
|
dcp = ( PMDistanceControlPoint* ) it.current( );
|
|
setHeight2( dcp->distance( ) );
|
|
h2changed = true;
|
|
}
|
|
++it;
|
|
|
|
for( ; it.current( ); ++it )
|
|
{
|
|
p1 = ( PM2DControlPoint* ) it.current( );
|
|
if( p1->changed( ) )
|
|
{
|
|
if( firstChange )
|
|
{
|
|
if( m_pMemento )
|
|
{
|
|
PMPrismMemento* m = ( PMPrismMemento* ) m_pMemento;
|
|
if( !m->prismPointsSaved( ) )
|
|
m->setPrismPoints( m_points );
|
|
}
|
|
firstChange = false;
|
|
setViewStructureChanged( );
|
|
}
|
|
( *pit ) = p1->point( );
|
|
}
|
|
if( h2changed )
|
|
{
|
|
p1->setThirdCoordinate( m_height2 );
|
|
if( m_sweepType == ConicSweep )
|
|
p1->setScale( m_height2 );
|
|
}
|
|
|
|
++pit;
|
|
if( pit == ( *spit ).end( ) )
|
|
{
|
|
++spit;
|
|
pit = ( *spit ).begin( );
|
|
}
|
|
}
|
|
}
|
|
|
|
void PMPrism::addObjectActions( const PMControlPointList& /*cp*/,
|
|
TQPtrList<PMObjectAction>& actions )
|
|
{
|
|
PMObjectAction* a;
|
|
|
|
a = new PMObjectAction( s_pMetaObject, PMSplitSegmentID,
|
|
i18n( "Add Point" ) );
|
|
actions.append( a );
|
|
|
|
a = new PMObjectAction( s_pMetaObject, PMJoinSegmentsID,
|
|
i18n( "Remove Point" ) );
|
|
|
|
bool enableJoin = false;
|
|
TQValueList< TQValueList<PMVector> >::ConstIterator spit = m_points.begin( );
|
|
|
|
int minp = 4;
|
|
switch( m_splineType )
|
|
{
|
|
case LinearSpline:
|
|
minp = 4;
|
|
break;
|
|
case QuadraticSpline:
|
|
minp = 5;
|
|
break;
|
|
case CubicSpline:
|
|
minp = 6;
|
|
break;
|
|
case BezierSpline:
|
|
minp = 6;
|
|
break;
|
|
}
|
|
|
|
for( ; ( spit != m_points.end( ) ) && !enableJoin; ++spit )
|
|
if( ( *spit ).count( ) >= ( unsigned ) minp )
|
|
enableJoin = true;
|
|
|
|
a->setEnabled( enableJoin );
|
|
actions.append( a );
|
|
}
|
|
|
|
void PMPrism::objectActionCalled( const PMObjectAction* action,
|
|
const PMControlPointList& cp,
|
|
const TQPtrList<PMVector>& cpViewPosition,
|
|
const PMVector& clickPosition )
|
|
{
|
|
if( action->objectType( ) == s_pMetaObject )
|
|
{
|
|
switch( action->actionID( ) )
|
|
{
|
|
case PMSplitSegmentID:
|
|
splitSegment( cp, cpViewPosition, clickPosition );
|
|
break;
|
|
case PMJoinSegmentsID:
|
|
joinSegments( cp, cpViewPosition, clickPosition );
|
|
break;
|
|
default:
|
|
kdError( PMArea ) << "Wrong ID in PMPrism::objectActionCalled\n";
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
Base::objectActionCalled( action, cp, cpViewPosition, clickPosition );
|
|
}
|
|
|
|
void PMPrism::splitSegment( const PMControlPointList& /*cp*/,
|
|
const TQPtrList<PMVector>& cpViewPosition,
|
|
const PMVector& clickPosition )
|
|
{
|
|
// find nearest segment
|
|
double abs = 0.0, minabs = 1e10;
|
|
int ns = -1;
|
|
int nsp = 0;
|
|
int spnr = 0, pnr = 0;
|
|
int i;
|
|
PMVector mid( 3 ), dist( 2 );
|
|
PMVector firstPoint( 3 );
|
|
|
|
TQPtrListIterator<PMVector> it1( cpViewPosition );
|
|
TQPtrListIterator<PMVector> it2( cpViewPosition );
|
|
for( i = 0; i < 2; ++i ) ++it1;
|
|
for( i = 0; i < 3; ++i ) ++it2;
|
|
|
|
TQValueList< TQValueList<PMVector> >::Iterator spit = m_points.begin( );
|
|
for( spnr = 0; spit != m_points.end( ); ++spit, ++spnr )
|
|
{
|
|
int nump = ( *spit ).count( );
|
|
bool first = true;
|
|
for( pnr = 0; pnr < nump; ++pnr )
|
|
{
|
|
bool skip = false;
|
|
switch( m_splineType )
|
|
{
|
|
case LinearSpline:
|
|
case BezierSpline:
|
|
break;
|
|
case QuadraticSpline:
|
|
if( pnr == 0 )
|
|
skip = true;
|
|
break;
|
|
case CubicSpline:
|
|
if( ( pnr == 0 ) || ( pnr == ( nump - 1 ) ) )
|
|
skip = true;
|
|
break;
|
|
}
|
|
|
|
if( !skip )
|
|
{
|
|
if( first )
|
|
{
|
|
firstPoint = **it1;
|
|
first = false;
|
|
}
|
|
|
|
if( ( ( m_splineType == CubicSpline ) && ( pnr == ( nump - 2 ) ) )
|
|
|| ( ( m_splineType != CubicSpline ) && ( pnr == ( nump - 1 ) ) ) )
|
|
mid = ( **it1 + firstPoint ) / 2.0;
|
|
else
|
|
mid = ( **it1 + **it2 ) / 2.0;
|
|
|
|
dist[0] = mid[0];
|
|
dist[1] = mid[1];
|
|
dist -= clickPosition;
|
|
abs = dist.abs( );
|
|
|
|
if( ( minabs > abs ) || ( ns < 0 ) )
|
|
{
|
|
minabs = abs;
|
|
ns = pnr;
|
|
nsp = spnr;
|
|
}
|
|
}
|
|
++it1;
|
|
++it2;
|
|
}
|
|
}
|
|
|
|
// add a new segment
|
|
TQValueList< TQValueList<PMVector> > newPoints = m_points;
|
|
spit = newPoints.at( nsp );
|
|
TQValueList<PMVector> newSubPoints = *spit;
|
|
|
|
if( m_splineType == BezierSpline )
|
|
{
|
|
ns /= 3;
|
|
ns *= 3;
|
|
}
|
|
TQValueList<PMVector>::Iterator it = newSubPoints.at( ( unsigned ) ns );
|
|
PMVector p[4];
|
|
TQValueList<PMVector>::Iterator hit = it, eit = newSubPoints.end( );
|
|
--eit;
|
|
|
|
// calculate the spline segment
|
|
PMSplineSegment segment;
|
|
switch( m_splineType )
|
|
{
|
|
case LinearSpline:
|
|
for( i = 0; i < 2; ++i )
|
|
{
|
|
p[i] = *hit;
|
|
++hit;
|
|
if( hit == newSubPoints.end( ) )
|
|
hit = newSubPoints.begin( );
|
|
}
|
|
segment.calculateLinear( p[0], p[1] );
|
|
break;
|
|
case QuadraticSpline:
|
|
--hit;
|
|
for( i = 0; i < 3; ++i )
|
|
{
|
|
p[i] = *hit;
|
|
++hit;
|
|
if( hit == newSubPoints.end( ) )
|
|
{
|
|
hit = newSubPoints.begin( );
|
|
++hit;
|
|
}
|
|
}
|
|
segment.calculateQuadratic( p[0], p[1], p[2] );
|
|
break;
|
|
case CubicSpline:
|
|
--hit;
|
|
for( i = 0; i < 4; ++i )
|
|
{
|
|
if( hit == eit )
|
|
{
|
|
hit = newSubPoints.begin( );
|
|
++hit;
|
|
p[i] = *hit;
|
|
hit = eit;
|
|
++i;
|
|
if( i < 4 )
|
|
p[i] = *hit;
|
|
}
|
|
else
|
|
p[i] = *hit;
|
|
++hit;
|
|
}
|
|
segment.calculateCubic( p[0], p[1], p[2], p[3] );
|
|
break;
|
|
case BezierSpline:
|
|
for( i = 0; i < 4; ++i )
|
|
{
|
|
p[i] = *hit;
|
|
++hit;
|
|
if( hit == newSubPoints.end( ) )
|
|
hit = newSubPoints.begin( );
|
|
}
|
|
segment.calculateBezier( p[0], p[1], p[2], p[3] );
|
|
break;
|
|
}
|
|
|
|
mid = segment.point( 0.5 );
|
|
if( m_splineType != BezierSpline )
|
|
{
|
|
++it;
|
|
newSubPoints.insert( it, mid );
|
|
}
|
|
else
|
|
{
|
|
PMVector end = *it;
|
|
++it;
|
|
*it = end + ( *it - end ) / 2.0;
|
|
++it;
|
|
|
|
PMVector grad = segment.gradient( 0.5 ) / 4.0;
|
|
|
|
newSubPoints.insert( it, mid - grad );
|
|
newSubPoints.insert( it, mid );
|
|
newSubPoints.insert( it, mid + grad );
|
|
|
|
++it;
|
|
if( it == newSubPoints.end( ) )
|
|
end = *newSubPoints.begin( );
|
|
else
|
|
end = *it;
|
|
--it;
|
|
*it = end + ( *it - end ) / 2.0;
|
|
}
|
|
( *spit ) = newSubPoints;
|
|
setPoints( newPoints );
|
|
}
|
|
|
|
void PMPrism::joinSegments( const PMControlPointList& /*cp*/,
|
|
const TQPtrList<PMVector>& cpViewPosition,
|
|
const PMVector& clickPosition )
|
|
{
|
|
// find nearest point
|
|
double abs = 0.0, minabs = 1e10;
|
|
int ns = -1;
|
|
int nsp = 0;
|
|
int spnr = 0, pnr = 0;
|
|
int i;
|
|
PMVector dist( 2 );
|
|
|
|
TQPtrListIterator<PMVector> it1( cpViewPosition );
|
|
for( i = 0; i < 2; ++i ) ++it1;
|
|
|
|
int minp = 0;
|
|
switch( m_splineType )
|
|
{
|
|
case LinearSpline:
|
|
minp = 4;
|
|
break;
|
|
case QuadraticSpline:
|
|
minp = 5;
|
|
break;
|
|
case CubicSpline:
|
|
minp = 6;
|
|
break;
|
|
case BezierSpline:
|
|
minp = 6;
|
|
break;
|
|
}
|
|
|
|
TQValueList< TQValueList<PMVector> >::Iterator spit = m_points.begin( );
|
|
for( spnr = 0; spit != m_points.end( ); ++spit, ++spnr )
|
|
{
|
|
int nump = ( *spit ).count( );
|
|
|
|
for( pnr = 0; pnr < nump; ++pnr )
|
|
{
|
|
bool skip = false;
|
|
switch( m_splineType )
|
|
{
|
|
case LinearSpline:
|
|
case BezierSpline:
|
|
break;
|
|
case QuadraticSpline:
|
|
if( pnr == 0 )
|
|
skip = true;
|
|
break;
|
|
case CubicSpline:
|
|
if( ( pnr == 0 ) || ( pnr == ( nump - 1 ) ) )
|
|
skip = true;
|
|
break;
|
|
}
|
|
if( nump < minp )
|
|
skip = true;
|
|
|
|
if( !skip )
|
|
{
|
|
dist[0] = (**it1)[0];
|
|
dist[1] = (**it1)[1];
|
|
dist -= clickPosition;
|
|
abs = dist.abs( );
|
|
|
|
if( ( minabs > abs ) || ( ns < 0 ) )
|
|
{
|
|
minabs = abs;
|
|
ns = pnr;
|
|
nsp = spnr;
|
|
}
|
|
}
|
|
++it1;
|
|
}
|
|
}
|
|
|
|
if( ns < 0 )
|
|
{
|
|
kdError( PMArea ) << "Not enough points in PMPrism::joinSegments\n";
|
|
return;
|
|
}
|
|
|
|
// remove the segment
|
|
TQValueList< TQValueList<PMVector> > newPoints = m_points;
|
|
spit = newPoints.at( nsp );
|
|
TQValueList<PMVector> newSubPoints = *spit;
|
|
TQValueList<PMVector>::Iterator it;
|
|
|
|
if( m_splineType != BezierSpline )
|
|
{
|
|
it = newSubPoints.at( ( unsigned ) ns );
|
|
newSubPoints.remove( it );
|
|
}
|
|
else
|
|
{
|
|
int last = ( newSubPoints.count( ) - 3 ) / 3;
|
|
ns -= 2;
|
|
if( ns < 0 )
|
|
ns = last;
|
|
else
|
|
ns /= 3;
|
|
|
|
it = newSubPoints.at( ns * 3 + 2 );
|
|
if( ns != last )
|
|
{
|
|
it = newSubPoints.remove( it );
|
|
it = newSubPoints.remove( it );
|
|
it = newSubPoints.remove( it );
|
|
}
|
|
else
|
|
{
|
|
newSubPoints.remove( it );
|
|
it = newSubPoints.begin( );
|
|
it = newSubPoints.remove( it );
|
|
it = newSubPoints.remove( it );
|
|
PMVector h = *it;
|
|
it = newSubPoints.remove( it );
|
|
newSubPoints.insert( newSubPoints.end( ), h );
|
|
}
|
|
}
|
|
( *spit ) = newSubPoints;
|
|
setPoints( newPoints );
|
|
}
|
|
|
|
void PMPrism::setSSteps( int s )
|
|
{
|
|
if( s >= 1 )
|
|
s_sSteps = s;
|
|
else
|
|
kdDebug( PMArea ) << "PMPrism::setSSteps: S must be greater than 0\n";
|
|
++s_parameterKey;
|
|
}
|
|
|
|
TQValueList<PMVector> PMPrism::expandedPoints( const TQValueList<PMVector>& p ) const
|
|
{
|
|
// add the missing points
|
|
int refa = 0, refb = p.count( );
|
|
TQValueList<PMVector> result = p;
|
|
|
|
switch( m_splineType )
|
|
{
|
|
case LinearSpline:
|
|
break;
|
|
case QuadraticSpline:
|
|
++refa;
|
|
break;
|
|
case CubicSpline:
|
|
++refa;
|
|
--refb;
|
|
break;
|
|
case BezierSpline:
|
|
refb = refb / 3 * 4;
|
|
break;
|
|
}
|
|
TQValueList<PMVector>::Iterator it1, it2, it3;
|
|
if( m_splineType != BezierSpline )
|
|
{
|
|
it1 = result.at( refa );
|
|
it2 = result.at( refb );
|
|
result.insert( it2, *it1 );
|
|
}
|
|
else
|
|
{
|
|
int i;
|
|
it1 = result.begin( );
|
|
for( i = 1; it1 != result.end( ); ++it1, ++i )
|
|
{
|
|
if( ( i % 3 ) == 0 )
|
|
{
|
|
it2 = it1;
|
|
++it2;
|
|
it3 = it2;
|
|
if( it3 == result.end( ) )
|
|
it3 = result.begin( );
|
|
it1 = result.insert( it2, *it3 );
|
|
}
|
|
}
|
|
}
|
|
return result;
|
|
}
|