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Diffstat (limited to 'kpovmodeler/pmdisc.cpp')
| -rw-r--r-- | kpovmodeler/pmdisc.cpp | 440 |
1 files changed, 440 insertions, 0 deletions
diff --git a/kpovmodeler/pmdisc.cpp b/kpovmodeler/pmdisc.cpp new file mode 100644 index 00000000..d276e541 --- /dev/null +++ b/kpovmodeler/pmdisc.cpp @@ -0,0 +1,440 @@ +/* +************************************************************************** + description + -------------------- + copyright : (C) 2000-2001 by Leonardo Skorianez + email : lsk@if.ufrj.br + 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 "pmdisc.h" + +#include "pmxmlhelper.h" +#include "pmboxedit.h" +#include "pmmemento.h" +#include "pmdistancecontrolpoint.h" +#include "pmvectorcontrolpoint.h" +#include "pm3dcontrolpoint.h" +#include "pmdefaults.h" + +#include <klocale.h> + +#include "pmdiscedit.h" + +const double defaultDiscRadius = 1.0; +const double defaultDiscHoleRadius = 0.0; +const PMVector defaultDiscCenter = PMVector ( 0.0, 0.0, 0.0 ); +const PMVector defaultDiscNormal = PMVector ( 0.0, 1.0, 0.0 ); + +/** default disc structure */ +PMViewStructure* PMDisc::s_pDefaultViewStructure = 0; +int PMDisc::s_numSteps = c_defaultDiscSteps; +int PMDisc::s_parameterKey = 0; + +PMDefinePropertyClass( PMDisc, PMDiscProperty ); + +PMMetaObject* PMDisc::s_pMetaObject = 0; +PMObject* createNewDisc( PMPart* part ) +{ + return new PMDisc( part ); +} + +PMDisc::PMDisc( PMPart* part ) + : Base( part ) +{ + m_center = defaultDiscCenter; + m_normal = defaultDiscNormal; + m_radius = defaultDiscRadius; + m_hradius = defaultDiscHoleRadius; +} + +PMDisc::PMDisc( const PMDisc& d ) + : Base( d ) +{ + m_center = d.m_center; + m_normal = d.m_normal; + m_radius = d.m_radius; + m_hradius = d.m_hradius; +} + + +PMDisc::~PMDisc( ) +{ +} + +QString PMDisc::description( ) const +{ + return i18n( "disc" ); +} + +void PMDisc::serialize( QDomElement& e, QDomDocument& doc ) const +{ + e.setAttribute( "center", m_center.serializeXML( ) ); + e.setAttribute( "normal", m_normal.serializeXML( ) ); + e.setAttribute( "radius", m_radius ); + e.setAttribute( "hole_radius", m_hradius ); + Base::serialize( e, doc ); +} + +void PMDisc::readAttributes( const PMXMLHelper& h ) +{ + m_center = h.vectorAttribute( "center", defaultDiscCenter ); + m_normal = h.vectorAttribute( "normal", defaultDiscNormal ); + m_radius = h.doubleAttribute( "radius", defaultDiscRadius ); + m_hradius = h.doubleAttribute( "hole_radius", defaultDiscHoleRadius ); + Base::readAttributes( h ); +} + +PMMetaObject* PMDisc::metaObject( ) const +{ + if( !s_pMetaObject ) + { + s_pMetaObject = new PMMetaObject( "Disc", Base::metaObject( ), + createNewDisc ); + s_pMetaObject->addProperty( + new PMDiscProperty( "center", &PMDisc::setCenter, &PMDisc::center ) ); + s_pMetaObject->addProperty( + new PMDiscProperty( "normal", &PMDisc::setNormal, &PMDisc::normal ) ); + s_pMetaObject->addProperty( + new PMDiscProperty( "radius", &PMDisc::setRadius, &PMDisc::radius ) ); + s_pMetaObject->addProperty( + new PMDiscProperty( "holeRadius", &PMDisc::setHoleRadius, &PMDisc::holeRadius ) ); + } + return s_pMetaObject; +} + +void PMDisc::setCenter( const PMVector& c ) +{ + if( c != m_center ) + { + if( m_pMemento ) + m_pMemento->addData( s_pMetaObject, PMCenterID, m_center ); + + m_center = c; + m_center.resize( 3 ); + + setViewStructureChanged( ); + } +} + +void PMDisc::setNormal( const PMVector& p ) +{ + if( p != m_normal ) + { + if( m_pMemento ) + m_pMemento->addData( s_pMetaObject, PMNormalID, m_normal ); + + m_normal = p; + m_normal.resize( 3 ); + + setViewStructureChanged( ); + } +} + +void PMDisc::setRadius( double radius ) +{ + if( m_radius != radius ) + { + if( m_pMemento ) + m_pMemento->addData( s_pMetaObject, PMRadiusID, m_radius ); + + if( radius <= m_hradius ) + m_radius = m_hradius; + else + m_radius = radius; + + setViewStructureChanged( ); + } +} + +void PMDisc::setHoleRadius( double hradius ) +{ + if( m_hradius != hradius ) + { + if( m_pMemento ) + m_pMemento->addData( s_pMetaObject, PMHRadiusID, m_hradius ); + + if( hradius >= m_radius ) + m_hradius = m_radius; + else if( hradius <= 0.0 ) + m_hradius = 0.0; + else + m_hradius = hradius; + + setViewStructureChanged( ); + } +} + +PMDialogEditBase* PMDisc::editWidget( QWidget* parent ) const +{ + return new PMDiscEdit( parent ); +} + +void PMDisc::restoreMemento( PMMemento* s ) +{ + PMMementoDataIterator it( s ); + PMMementoData* data; + + for( ; it.current( ); ++it ) + { + data = it.current( ); + if( data->objectType( ) == s_pMetaObject ) + { + switch( data->valueID( ) ) + { + case PMCenterID: + setCenter( data->vectorData( ) ); + break; + case PMNormalID: + setNormal( data->vectorData( ) ); + break; + case PMRadiusID: + setRadius( data->doubleData( ) ); + break; + case PMHRadiusID: + setHoleRadius( data->doubleData( ) ); + break; + default: + kdError( PMArea ) << "Wrong ID in PMDisc::restoreMemento\n"; + break; + } + } + } + Base::restoreMemento( s ); +} + +bool PMDisc::isDefault( ) +{ + if( ( m_center == defaultDiscCenter ) && ( m_normal == defaultDiscNormal ) + && ( m_radius == defaultDiscRadius ) && ( m_hradius == defaultDiscHoleRadius ) + && globalDetail( ) ) + return true; + return false; +} + +void PMDisc::createViewStructure( ) +{ + if( !m_pViewStructure ) + { + m_pViewStructure = new PMViewStructure( defaultViewStructure ( ) ); + m_pViewStructure->points( ).detach( ); + } + + int steps = (int)( ( (float)s_numSteps / 2 ) * ( displayDetail( ) + 1 ) ); + unsigned size = steps * 2; + + if( size != m_pViewStructure->points( ).size( ) ) + { + m_pViewStructure->points( ).resize( size ); + m_pViewStructure->lines( ).detach( ); + m_pViewStructure->lines( ).resize( size ); + createLines( m_pViewStructure->lines( ), steps ); + } + createPoints( m_pViewStructure->points( ), m_center, m_normal, m_radius, m_hradius, steps ); +} + +PMViewStructure* PMDisc::defaultViewStructure( ) const +{ + if( !s_pDefaultViewStructure || s_pDefaultViewStructure->parameterKey( ) != viewStructureParameterKey( ) ) + { + delete s_pDefaultViewStructure; + s_pDefaultViewStructure = 0; + int steps = (int)( ( (float)s_numSteps / 2 ) * ( globalDetailLevel( ) + 1 ) ); + s_pDefaultViewStructure = new PMViewStructure( steps * 2 , steps * 2 ); + + createPoints( s_pDefaultViewStructure->points( ), defaultDiscCenter, defaultDiscNormal, + defaultDiscRadius, defaultDiscHoleRadius, steps ); + + createLines( s_pDefaultViewStructure->lines( ), steps ); + } + return s_pDefaultViewStructure; +} + +void PMDisc::createLines( PMLineArray& lines, int steps ) +{ + int i; + for( i = 0; i < ( steps - 1) ; i++ ) + { + lines[ i ] = PMLine( i, i + 1 ); + lines[ i + steps ] = PMLine( i + steps, i + steps + 1 ); + } + lines[ i ] = PMLine( i , 0 ); + lines[i + steps] = PMLine( i + steps, steps ); +} + +void PMDisc::createPoints( PMPointArray& points, const PMVector& center, + const PMVector& normal, double radius , double hradius, int steps ) +{ + PMVector pv = normal; + double pl = pv.abs( ); + if( approxZero( pl ) ) + pv = PMVector( 0.0 , 1.0 , 0.0 ); + else + pv /= pl; + + double angle = ( 2.0 * M_PI ) / ( double ) steps; + PMMatrix rotation = PMMatrix::rotation( pv , angle ); + PMVector endP = pv.orthogonal( ); + + for( int i = 0 ; i < steps ; i++ ) + { + points[ i ] = PMPoint( ( endP * radius ) + center ); + points[ i + steps ] = PMPoint( ( endP * hradius ) + center ); + endP = rotation * endP; + } +} + +void setVectorBase( PMVector pn , PMVector& vn , PMVector& v1, PMVector& v2 ) +{ + double pl = pn.abs( ); + if( approxZero( pl ) ) + vn = PMVector( 0.0 , 1.0 , 0.0 ); + else + vn = ( pn / pl ); + + v1 = vn.orthogonal( ); + v2 = PMVector::cross( vn, v1 ); +} + +void PMDisc::controlPoints( PMControlPointList & list ) +{ + PMVector vetN , vet1 , vet2 ; + setVectorBase( m_normal , vetN , vet1 , vet2 ); + + PM3DControlPoint* pb = new PM3DControlPoint( m_center, PMCenterID, i18n( "Center" ) ); + list.append( pb ); + + PMDistanceControlPoint* d; + d = new PMDistanceControlPoint( pb , vet1, m_radius, PMRadiusID, i18n( "Radius (1)" ) ); + list.append( d ); + d = new PMDistanceControlPoint( pb , vet2, m_radius, PMRadiusID, i18n( "Radius (2)" ) ); + list.append( d ); + d = new PMDistanceControlPoint( pb , vet1, m_hradius, PMHRadiusID, i18n( "Hole Radius (1)" ) ); + list.append( d ); + d = new PMDistanceControlPoint( pb , vet2, m_hradius, PMHRadiusID, i18n( "Hole Radius (2)" ) ); + list.append( d ); + + list.append( new PMVectorControlPoint( pb, m_normal, PMNormalID, i18n( "Normal" ) ) ); +} + +void PMDisc::controlPointsChanged( PMControlPointList & list ) +{ + PMControlPoint* p; + bool radius1Changed = false; + bool radius2Changed = false; + bool pointChanged = false; + PMVector pt; + + for( p = list.first( ); p; p = list.next( ) ) + { + if( p->changed( ) ) + { + switch( p->id( ) ) + { + case PMCenterID: + pt =( (PM3DControlPoint* ) p)->point( ) ; + setCenter( pt ); + pointChanged = true; + break; + case PMNormalID: + setNormal( ( ( (PM3DControlPoint* ) p)->point( ) ) ); + pointChanged = true; + break; + case PMRadiusID: + setRadius( ( ( PMDistanceControlPoint *) p )->distance( ) ); + radius1Changed = true; + break; + case PMHRadiusID: + setHoleRadius( ( ( PMDistanceControlPoint *) p )->distance( ) ); + radius2Changed = true; + break; + default: + kdError( PMArea ) << "Wrong ID in PMDisc::controlPointsChanged\n"; + break; + } + } + } + + if( radius1Changed ) + for( p = list.first( ); p; p = list.next( ) ) + if( p->id( ) == PMRadiusID ) + ( ( PMDistanceControlPoint *) p)->setDistance( m_radius ); + + if( radius2Changed ) + for( p = list.first( ); p; p = list.next( ) ) + if( p->id( ) == PMHRadiusID ) + ( ( PMDistanceControlPoint *) p)->setDistance( m_hradius ); + + if( pointChanged ) + { + PMVector vetN, vet1, vet2; + setVectorBase( m_normal , vetN, vet1, vet2 ); + + bool firstPoint1 = true; + bool firstPoint2 = true; + + for( p = list.first( ); p; p = list.next( ) ) + { + if( p->id( ) == PMRadiusID ) + { + if( firstPoint1 ) + { + ( ( PMDistanceControlPoint *) p)->setDirection( vet1 ); + firstPoint1 = false; + } + else + ( ( PMDistanceControlPoint *) p)->setDirection( vet2 ); + } + if( p->id( ) == PMHRadiusID ) + { + if( firstPoint2 ) + { + ( ( PMDistanceControlPoint *) p)->setDirection( vet1 ); + firstPoint2 = false; + } + else + ( ( PMDistanceControlPoint *) p)->setDirection( vet2 ); + } + } + } +} + +void PMDisc::setSteps( int s ) +{ + if( s >= 4 ) + { + s_numSteps = s; + if( s_pDefaultViewStructure ) + { + delete s_pDefaultViewStructure; + s_pDefaultViewStructure = 0; + } + } + else + kdDebug( PMArea ) << "PMDisc::setSteps: S must be greater than 3\n"; + s_parameterKey++; +} + +void PMDisc::cleanUp( ) const +{ + if( s_pDefaultViewStructure ) + delete s_pDefaultViewStructure; + s_pDefaultViewStructure = 0; + if( s_pMetaObject ) + { + delete s_pMetaObject; + s_pMetaObject = 0; + } + Base::cleanUp( ); +} |