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-rw-r--r--kpovmodeler/pmpolynom.cpp238
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diff --git a/kpovmodeler/pmpolynom.cpp b/kpovmodeler/pmpolynom.cpp
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+/*
+**************************************************************************
+ description
+ --------------------
+ copyright : (C) 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. *
+* *
+**************************************************************************/
+
+
+#include "pmpolynom.h"
+#include "pmpolynomedit.h"
+
+#include "pmxmlhelper.h"
+#include "pmmemento.h"
+
+#include <klocale.h>
+
+const double c_defaultCoefficients[10] =
+{ // Hyperboloid_Y
+ 1.0, 0.0, 0.0,
+ 0.0, -1.0, 0.0,
+ 0.0, 1.0, 0.0,
+ -1.0
+};
+const int c_defaultOrder = 2;
+const bool c_defaultSturm = true;
+const int c_polynomSize[8] = { 0, 0, 10, 20, 35, 56, 84, 120 };
+
+PMDefinePropertyClass( PMPolynom, PMPolynomProperty );
+
+class PMCoefficientProperty : public PMPropertyBase
+{
+public:
+ PMCoefficientProperty( )
+ : PMPropertyBase( "coefficients", PMVariant::Double )
+ {
+ m_index = 0;
+ }
+ virtual int dimensions( ) const { return 1; }
+ virtual void setIndex( int /*dimension*/, int index )
+ {
+ m_index = index;
+ }
+ virtual int size( PMObject* object, int /*dimension*/ ) const
+ {
+ return c_polynomSize[ ( ( PMPolynom* ) object )->polynomOrder( ) ];
+ }
+protected:
+ virtual bool setProtected( PMObject* obj, const PMVariant& var )
+ {
+ PMPolynom* p = ( PMPolynom* ) obj;
+ PMVector v = p->coefficients( );
+ v[m_index] = var.doubleData( );
+ p->setCoefficients( v );
+
+ return true;
+ }
+ virtual PMVariant getProtected( const PMObject* obj )
+ {
+ PMPolynom* p = ( PMPolynom* ) obj;
+ return PMVariant( p->coefficients( )[m_index] );
+ }
+
+private:
+ int m_index;
+};
+
+PMMetaObject* PMPolynom::s_pMetaObject = 0;
+PMObject* createNewPolynom( PMPart* part )
+{
+ return new PMPolynom( part );
+}
+
+PMPolynom::PMPolynom( PMPart* part )
+ : Base( part )
+{
+ int i;
+ m_order = c_defaultOrder;
+ m_coefficients = PMVector( 10 );
+ for( i = 0; i < 10; i++ )
+ m_coefficients[i] = c_defaultCoefficients[i];
+ m_sturm = c_defaultSturm;
+}
+
+PMPolynom::PMPolynom( const PMPolynom& p )
+ : Base( p )
+{
+ m_order = p.m_order;
+ m_coefficients = p.m_coefficients;
+ m_sturm = p.m_sturm;
+}
+
+PMPolynom::~PMPolynom( )
+{
+}
+
+QString PMPolynom::description( ) const
+{
+ if( m_order == 2 )
+ return i18n( "quadric" );
+ else if( m_order == 3 )
+ return i18n( "cubic" );
+ else if( m_order == 4 )
+ return i18n( "quartic" );
+ return i18n( "polynom" );
+}
+
+void PMPolynom::serialize( QDomElement& e, QDomDocument& doc ) const
+{
+ e.setAttribute( "order", m_order );
+ e.setAttribute( "coefficients", m_coefficients.serializeXML( ) );
+ e.setAttribute( "sturm", m_sturm );
+ Base::serialize( e, doc );
+}
+
+void PMPolynom::readAttributes( const PMXMLHelper& h )
+{
+ m_order = h.intAttribute( "order", c_defaultOrder );
+ m_coefficients = h.vectorAttribute( "coefficients", m_coefficients );
+ m_sturm = h.boolAttribute( "sturm", c_defaultSturm );
+ Base::readAttributes( h );
+}
+
+PMMetaObject* PMPolynom::metaObject( ) const
+{
+ if( !s_pMetaObject )
+ {
+ s_pMetaObject = new PMMetaObject( "Polynom", Base::metaObject( ),
+ createNewPolynom );
+ s_pMetaObject->addProperty(
+ new PMPolynomProperty( "polynomOrder", &PMPolynom::setPolynomOrder,
+ &PMPolynom::polynomOrder ) );
+ s_pMetaObject->addProperty(
+ new PMPolynomProperty( "sturm", &PMPolynom::setSturm,
+ &PMPolynom::sturm ) );
+
+ s_pMetaObject->addProperty( new PMCoefficientProperty( ) );
+ }
+ return s_pMetaObject;
+}
+
+void PMPolynom::cleanUp( ) const
+{
+ if( s_pMetaObject )
+ {
+ delete s_pMetaObject;
+ s_pMetaObject = 0;
+ }
+ Base::cleanUp( );
+}
+
+PMDialogEditBase* PMPolynom::editWidget( QWidget* parent ) const
+{
+ return new PMPolynomEdit( parent );
+}
+
+void PMPolynom::setPolynomOrder( int o )
+{
+ if( ( o < 2 ) || ( o > 7 ) )
+ {
+ kdError( PMArea ) << "Invalid order in PMPolynom::setPolynomOrder\n";
+ o = 2;
+ }
+ if( o != m_order )
+ {
+ if( m_pMemento )
+ {
+ m_pMemento->addData( s_pMetaObject, PMOrderID, m_order );
+ if( ( o <= 4 ) || ( m_order <= 4 ) )
+ m_pMemento->setDescriptionChanged( );
+ }
+ m_order = o;
+ }
+}
+
+void PMPolynom::setCoefficients( const PMVector& c )
+{
+ if( c.size( ) != ( unsigned ) c_polynomSize[m_order] )
+ kdError( PMArea ) << "Wrong vector size in PMPolynom::setCoefficients\n";
+
+ if( c != m_coefficients )
+ {
+ if( m_pMemento )
+ m_pMemento->addData( s_pMetaObject, PMCoefficientsID, m_coefficients );
+ m_coefficients = c;
+ m_coefficients.resize( c_polynomSize[m_order] );
+ //setViewStructureChanged( );
+ }
+}
+
+void PMPolynom::setSturm( bool s )
+{
+ if( m_sturm != s )
+ {
+ if( m_pMemento )
+ m_pMemento->addData( s_pMetaObject, PMSturmID, m_sturm );
+ m_sturm = s;
+ }
+}
+
+void PMPolynom::restoreMemento( PMMemento* s )
+{
+ PMMementoDataIterator it( s );
+ PMMementoData* data;
+
+ for( ; it.current( ); ++it )
+ {
+ data = it.current( );
+ if( data->objectType( ) == s_pMetaObject )
+ {
+ switch( data->valueID( ) )
+ {
+ case PMOrderID:
+ setPolynomOrder( data->intData( ) );
+ break;
+ case PMCoefficientsID:
+ setCoefficients( data->vectorData( ) );
+ break;
+ case PMSturmID:
+ setSturm( data->boolData( ) );
+ break;
+ default:
+ kdError( PMArea ) << "Wrong ID in PMPolynom::restoreMemento\n";
+ break;
+ }
+ }
+ }
+ Base::restoreMemento( s );
+}