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Diffstat (limited to 'kpovmodeler/pmtorus.cpp')
| -rw-r--r-- | kpovmodeler/pmtorus.cpp | 379 |
1 files changed, 379 insertions, 0 deletions
diff --git a/kpovmodeler/pmtorus.cpp b/kpovmodeler/pmtorus.cpp new file mode 100644 index 00000000..c6f4238a --- /dev/null +++ b/kpovmodeler/pmtorus.cpp @@ -0,0 +1,379 @@ +/*************************************************************************** + pmtorus.cpp - description + ------------------- + copyright : (C) 2001 Philippe Van Hecke + email : [email protected] + copyright : (C) 2002 Andreas Zehender + email : [email protected] +***************************************************************************/ + +/*************************************************************************** + * * + * 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 "pmtorus.h" + +#include "pmxmlhelper.h" +#include "pmtorusedit.h" +#include "pmmemento.h" +#include "pmviewstructure.h" +#include "pm3dcontrolpoint.h" +#include "pmdistancecontrolpoint.h" +#include "pmdefaults.h" + +#include <klocale.h> + +/** default param for the Torus */ +const double c_defaultminorRadius = 0.25; +const double c_defaultmajorRadius = 0.5; +const bool c_defaultsturm = false; + +/** default Torus structure */ +PMViewStructure* PMTorus::s_pDefaultViewStructure = 0; + +int PMTorus::s_vStep = c_defaultTorusVSteps; +int PMTorus::s_uStep = c_defaultTorusUSteps; +int PMTorus::s_parameterKey = 0; + +PMDefinePropertyClass( PMTorus, PMTorusProperty ); + +PMMetaObject* PMTorus::s_pMetaObject = 0; +PMObject* createNewTorus( PMPart* part ) +{ + return new PMTorus( part ); +} + +PMTorus::PMTorus( PMPart* part ) + : Base( part ) +{ + m_minorRadius = c_defaultminorRadius; + m_majorRadius = c_defaultmajorRadius; + m_sturm = c_defaultsturm ; +} + +PMTorus::PMTorus( const PMTorus& t ) + : Base( t ) +{ + m_minorRadius = t.m_minorRadius; + m_majorRadius = t.m_majorRadius; + m_sturm = t.m_sturm; +} + +PMTorus::~PMTorus( ) +{ +} + + +QString PMTorus::description( ) const +{ + return i18n( "torus" ); +} + +PMMetaObject* PMTorus::metaObject( ) const +{ + if( !s_pMetaObject ) + { + s_pMetaObject = new PMMetaObject( "Torus", Base::metaObject( ), + createNewTorus ); + s_pMetaObject->addProperty( + new PMTorusProperty( "minorRadius", &PMTorus::setMinorRadius, + &PMTorus::minorRadius ) ); + s_pMetaObject->addProperty( + new PMTorusProperty( "majorRadius", &PMTorus::setMajorRadius, + &PMTorus::majorRadius ) ); + s_pMetaObject->addProperty( + new PMTorusProperty( "sturm", &PMTorus::setSturm, &PMTorus::sturm ) ); + } + return s_pMetaObject; +} + +void PMTorus::serialize( QDomElement& e, QDomDocument& doc ) const +{ + e.setAttribute( "minor_radius", m_minorRadius ); + e.setAttribute( "major_radius", m_majorRadius ); + e.setAttribute( "sturm", m_sturm ); + + Base::serialize( e, doc ); +} + +void PMTorus::readAttributes( const PMXMLHelper& h ) +{ + m_minorRadius = h.doubleAttribute( "minor_radius", c_defaultminorRadius ); + m_majorRadius = h.doubleAttribute( "major_radius", c_defaultmajorRadius ); + m_sturm = h.boolAttribute( "sturm", c_defaultsturm ); + + Base::readAttributes( h ); +} + +PMDialogEditBase* PMTorus::editWidget( QWidget* parent ) const +{ + + return new PMTorusEdit( parent ); +} + +void PMTorus::restoreMemento( PMMemento* s ) +{ + PMMementoDataIterator it( s ); + PMMementoData* data; + + for( ; it.current( ); ++it ) + { + data = it.current( ); + if( data->objectType( ) == s_pMetaObject ) + { + switch( data->valueID( ) ) + { + case PMMinorRadiusID: + setMinorRadius( data->doubleData( ) ); + break; + case PMMajorRadiusID: + setMajorRadius( data->doubleData( ) ); + break; + case PMSturmID: + setSturm( data->boolData( ) ); + default: + kdError( PMArea ) << "Wrong ID in PMTorus::restoreMemento\n"; + break; + } + } + } + Base::restoreMemento( s ); + +} + +void PMTorus::controlPoints( PMControlPointList& list ) +{ + PMVector majorCenter( 0, 0, 0 ); + /** control points of the major radius */ + list.append( new PMDistanceControlPoint( majorCenter, PMVector( 1.0, 0.0, 0.0 ), + m_majorRadius, PMMajorRadiusID, + i18n( "Major radius (x)" ) ) ); + PMDistanceControlPoint* rcp = + new PMDistanceControlPoint( majorCenter, PMVector( 0.0, 0.0, 1.0 ), + m_majorRadius, PMMajorRadiusID, + i18n( "Major radius (z)" ) ); + list.append( rcp ); + + PMVector minorCenter( 0.0, 0.0, m_majorRadius ); + list.append( new PMDistanceControlPoint( rcp, PMVector( 0.0, 1.0, 0.0 ), + m_minorRadius, PMMinorRadiusID, + i18n( "Minor radius (y)" ) ) ); + list.append( new PMDistanceControlPoint( rcp, PMVector( 0.0, 0.0, 1.0 ), + m_minorRadius, PMMinorRadiusID, + i18n( "Minor radius (z)" ) ) ); +} + +void PMTorus::controlPointsChanged( PMControlPointList& list ) +{ + bool majorChanged = false, minorChanged = false; + PMControlPoint* p; + for( p = list.first( ); p; p = list.next( ) ) + { + if( p->changed( ) ) + { + switch( p->id( ) ) + { + case PMMinorRadiusID: + setMinorRadius( ( ( PMDistanceControlPoint* ) p )->distance( ) ); + ( ( PMDistanceControlPoint* ) p )->setDistance( m_minorRadius ); + minorChanged = true; + break; + case PMMajorRadiusID: + setMajorRadius( ( ( PMDistanceControlPoint* ) p )->distance( ) ); + ( ( PMDistanceControlPoint* ) p )->setDistance( m_majorRadius ); + majorChanged = true; + break; + default: + kdError( PMArea ) << "Wrong ID in PMTorus::controlPointsChanged\n"; + break; + } + } + } + + if( majorChanged ) + for( p = list.first( ); p; p = list.next( ) ) + if( p->id( ) == PMMajorRadiusID ) + ( ( PMDistanceControlPoint* ) p )->setDistance( m_majorRadius ); + if( minorChanged ) + for( p = list.first( ); p; p = list.next( ) ) + if( p->id( ) == PMMinorRadiusID ) + ( ( PMDistanceControlPoint* ) p )->setDistance( m_minorRadius ); +} + +bool PMTorus::isDefault( ) +{ + if( ( m_minorRadius == c_defaultminorRadius ) + && ( m_majorRadius == c_defaultmajorRadius ) + && globalDetail( ) ) + return true; + return false; +} + +void PMTorus::createViewStructure( ) +{ + if( !m_pViewStructure ) + { + m_pViewStructure = new PMViewStructure( defaultViewStructure( ) ); + m_pViewStructure->points( ).detach( ); + } + + int uStep = (int)( ( (float)s_uStep / 2 ) * ( displayDetail( ) + 1 ) ); + int vStep = (int)( ( (float)s_vStep / 2 ) * ( displayDetail( ) + 1 ) ); + unsigned ptsSize = vStep * uStep; + unsigned lineSize = vStep * uStep * 2; + + if( ptsSize != m_pViewStructure->points( ).size( ) ) + m_pViewStructure->points( ).resize( ptsSize ); + + createPoints( m_pViewStructure->points( ), m_minorRadius, m_majorRadius, uStep, vStep ); + + if( lineSize != m_pViewStructure->lines( ).size( ) ) + { + m_pViewStructure->lines( ).detach( ); + m_pViewStructure->lines( ).resize( lineSize ); + createLines( m_pViewStructure->lines( ), uStep, vStep ); + } +} + +PMViewStructure* PMTorus::defaultViewStructure( ) const +{ + if( !s_pDefaultViewStructure || s_pDefaultViewStructure->parameterKey( ) != viewStructureParameterKey( ) ) + { + delete s_pDefaultViewStructure; + s_pDefaultViewStructure = 0; + int uStep = (int)( ( (float)s_uStep / 2 ) * ( globalDetailLevel( ) + 1 ) ); + int vStep = (int)( ( (float)s_vStep / 2 ) * ( globalDetailLevel( ) + 1 ) ); + + s_pDefaultViewStructure = + new PMViewStructure( vStep * uStep , + vStep * uStep * 2 ); + + createPoints( s_pDefaultViewStructure->points( ), c_defaultminorRadius, + c_defaultmajorRadius, uStep, vStep ); + + createLines( s_pDefaultViewStructure->lines( ), uStep, vStep ); + } + return s_pDefaultViewStructure; +} + +void PMTorus::createLines( PMLineArray& lines, int uStep, int vStep ) +{ + int u, v; + for( u = 0; u < uStep; ++u ) + { + for( v = 0; v < vStep; ++v ) + { + lines[ u * vStep + v ] = PMLine( u * vStep + v, u * vStep + ( (v+1) % vStep ) ); + lines[ uStep * vStep + u * vStep + v ] = PMLine( u * vStep + v, ( (u+1) % uStep ) * vStep + v ); + } + } +} + +void PMTorus::createPoints( PMPointArray& points, double minor_radius, + double major_radius, int uStep, int vStep ) +{ + double l_UradStep = ( 2.0 * M_PI ) / uStep; + double l_VradStep = ( 2.0 * M_PI ) / vStep; + double l_u = l_UradStep; + int u, v; + + for( u = 0; u < uStep; ++u ) + { + double l_v = 0.0; + double y = minor_radius * sin ( l_u ); + double l_rcosu = major_radius + minor_radius * cos( l_u ); + + for( v = 0; v < vStep; ++v ) + { + double x = l_rcosu * cos( l_v ); + double z = l_rcosu * sin( l_v ); + points[u * vStep + v ] = PMPoint( x, y, z ); + l_v = l_v + l_VradStep; + } + l_u = l_u + l_UradStep; + } +} + +void PMTorus::setMinorRadius( double minor_radius ) +{ + if( m_minorRadius != minor_radius ) + { + if( m_pMemento ) + m_pMemento->addData( s_pMetaObject, PMMinorRadiusID, m_minorRadius ); + m_minorRadius = minor_radius; + setViewStructureChanged( ); + } +} + +void PMTorus::setMajorRadius( double major_radius ) +{ + if( m_majorRadius != major_radius ) + { + if( m_pMemento ) + m_pMemento->addData( s_pMetaObject, PMMajorRadiusID, m_majorRadius ); + m_majorRadius = major_radius; + setViewStructureChanged( ); + } +} + +void PMTorus::setSturm( bool sturm ) +{ + if( m_sturm != sturm ) + { + if( m_pMemento ) + m_pMemento->addData( s_pMetaObject, PMSturmID, m_sturm ); + m_sturm = sturm; + setViewStructureChanged( ); + } + +} + +void PMTorus::setUSteps( int u ) +{ + if( u >= 2 ) + { + s_uStep = u; + if( s_pDefaultViewStructure ) + { + delete s_pDefaultViewStructure; + s_pDefaultViewStructure = 0; + } + } + else + kdDebug( PMArea ) << "PMTorus::setUSteps: U must be greater than 1\n"; + s_parameterKey++; +} + +void PMTorus::setVSteps( int v ) +{ + if( v >= 4 ) + { + s_vStep = v; + if( s_pDefaultViewStructure ) + { + delete s_pDefaultViewStructure; + s_pDefaultViewStructure = 0; + } + } + else + kdDebug( PMArea ) << "PMTorus::setVSteps: V must be greater than 3\n"; + s_parameterKey++; +} + +void PMTorus::cleanUp( ) const +{ + if( s_pDefaultViewStructure ) + delete s_pDefaultViewStructure; + s_pDefaultViewStructure = 0; + if( s_pMetaObject ) + { + delete s_pMetaObject; + s_pMetaObject = 0; + } + Base::cleanUp( ); +} |