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Diffstat (limited to 'kpovmodeler/pmcylinder.cpp')
| -rw-r--r-- | kpovmodeler/pmcylinder.cpp | 407 |
1 files changed, 407 insertions, 0 deletions
diff --git a/kpovmodeler/pmcylinder.cpp b/kpovmodeler/pmcylinder.cpp new file mode 100644 index 00000000..1a119004 --- /dev/null +++ b/kpovmodeler/pmcylinder.cpp @@ -0,0 +1,407 @@ +/* +************************************************************************** + 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 "pmcylinder.h" + +#include "pmxmlhelper.h" +#include "pmboxedit.h" +#include "pmmemento.h" +#include "pm3dcontrolpoint.h" +#include "pmdefaults.h" + +#include <klocale.h> + +#include "pmdistancecontrolpoint.h" + +#include "pmcylinderedit.h" + +const double defaultCylRadius = 0.5; +const double defaultHalfCylSize = 0.5; +const PMVector defaultEnd1 = PMVector ( 0, defaultHalfCylSize, 0 ); +const PMVector defaultEnd2 = PMVector ( 0, -defaultHalfCylSize, 0 ); +const bool defaultOpen = false; + +/** default cylinder structure */ +PMViewStructure* PMCylinder::s_pDefaultViewStructure = 0; +int PMCylinder::s_numSteps = c_defaultCylinderSteps; +int PMCylinder::s_parameterKey = 0; + +PMDefinePropertyClass( PMCylinder, PMCylinderProperty ); + +PMMetaObject* PMCylinder::s_pMetaObject = 0; +PMObject* createNewCylinder( PMPart* part ) +{ + return new PMCylinder( part ); +} + + +PMCylinder::PMCylinder( PMPart* part ) + : Base( part ) +{ + m_end1 = defaultEnd1; + m_end2 = defaultEnd2; + m_radius = defaultCylRadius; + m_open = defaultOpen; +} + +PMCylinder::PMCylinder( const PMCylinder& c ) + : Base( c ) +{ + m_end1 = c.m_end1; + m_end2 = c.m_end2; + m_radius = c.m_radius; + m_open = c.m_open; +} + +PMCylinder::~PMCylinder( ) +{ +} + +QString PMCylinder::description( ) const +{ + return i18n( "cylinder" ); +} + +void PMCylinder::serialize( QDomElement& e, QDomDocument& doc ) const +{ + e.setAttribute( "end_a", m_end1.serializeXML( ) ); + e.setAttribute( "end_b", m_end2.serializeXML( ) ); + e.setAttribute( "radius", m_radius ); + e.setAttribute( "open", m_open ); + Base::serialize( e, doc ); +} + +void PMCylinder::readAttributes( const PMXMLHelper& h ) +{ + m_end1 = h.vectorAttribute( "end_a", defaultEnd1 ); + m_end2 = h.vectorAttribute( "end_b", defaultEnd2 ); + m_radius = h.doubleAttribute( "radius", defaultCylRadius ); + m_open = h.boolAttribute( "open", defaultOpen ); + Base::readAttributes( h ); +} + +PMMetaObject* PMCylinder::metaObject( ) const +{ + if( !s_pMetaObject ) + { + s_pMetaObject = new PMMetaObject( "Cylinder", Base::metaObject( ), + createNewCylinder ); + s_pMetaObject->addProperty( + new PMCylinderProperty( "end1", &PMCylinder::setEnd1, &PMCylinder::end1 ) ); + s_pMetaObject->addProperty( + new PMCylinderProperty( "end2", &PMCylinder::setEnd2, &PMCylinder::end2 ) ); + s_pMetaObject->addProperty( + new PMCylinderProperty( "radius", &PMCylinder::setRadius, &PMCylinder::radius ) ); + s_pMetaObject->addProperty( + new PMCylinderProperty( "open", &PMCylinder::setOpen, &PMCylinder::open ) ); + } + return s_pMetaObject; +} + +void PMCylinder::setEnd1( const PMVector& p ) +{ + if( p != m_end1 ) + { + if( m_pMemento ) + m_pMemento->addData( s_pMetaObject, PMEnd1ID, m_end1 ); + m_end1 = p; + m_end1.resize( 3 ); + setViewStructureChanged( ); + } +} + +void PMCylinder::setEnd2( const PMVector& p ) +{ + if( p != m_end2 ) + { + if( m_pMemento ) + m_pMemento->addData( s_pMetaObject, PMEnd2ID, m_end2 ); + m_end2 = p; + m_end2.resize( 3 ); + setViewStructureChanged( ); + } +} + +void PMCylinder::setRadius( double radius ) +{ + if( m_radius != radius ) + { + if( m_pMemento ) + m_pMemento->addData( s_pMetaObject, PMRadiusID, m_radius ); + m_radius = radius; + setViewStructureChanged( ); + } +} + +void PMCylinder::setOpen( bool op ) +{ + if( op != m_open ) + { + if( m_pMemento ) + m_pMemento->addData( s_pMetaObject, PMOpenID, m_open ); + m_open = op; + } +} + +PMDialogEditBase* PMCylinder::editWidget( QWidget* parent ) const +{ + return new PMCylinderEdit( parent ); +} + +void PMCylinder::restoreMemento( PMMemento* s ) +{ + PMMementoDataIterator it( s ); + PMMementoData* data; + + for( ; it.current( ); ++it ) + { + data = it.current( ); + if( data->objectType( ) == s_pMetaObject ) + { + switch( data->valueID( ) ) + { + case PMEnd1ID: + setEnd1( data->vectorData( ) ); + break; + case PMEnd2ID: + setEnd2( data->vectorData( ) ); + break; + case PMRadiusID: + setRadius( data->doubleData( ) ); + break; + case PMOpenID: + setOpen( data->boolData( ) ); + break; + default: + kdError( PMArea ) << "Wrong ID in PMCylinder::restoreMemento\n"; + break; + } + } + } + Base::restoreMemento( s ); +} + +bool PMCylinder::isDefault( ) +{ + if( ( m_end1 == defaultEnd1 ) && ( m_end2 == defaultEnd2 ) + && ( m_radius == defaultCylRadius ) && ( m_open == defaultOpen ) + && globalDetail( ) ) + return true; + return false; +} + +void PMCylinder::createViewStructure( ) +{ + if( !m_pViewStructure ) + { + m_pViewStructure = new PMViewStructure( defaultViewStructure ( ) ); + m_pViewStructure->points( ).detach( ); + } + + int steps = (int)( ( (float)s_numSteps / 2 ) * ( displayDetail( ) + 1 ) ); + unsigned ptsSize = steps * 2; + unsigned lineSize = steps * 3; + + if( ptsSize != m_pViewStructure->points( ).size( ) ) + m_pViewStructure->points( ).resize( ptsSize ); + + createPoints( m_pViewStructure->points( ), m_end1, m_end2, m_radius, steps ); + + if( ( lineSize ) != m_pViewStructure->lines( ).size( ) ) + { + m_pViewStructure->lines( ).detach( ); + m_pViewStructure->lines( ).resize( lineSize ); + createLines( m_pViewStructure->lines( ), steps ); + } +} + +PMViewStructure* PMCylinder::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 * 3 ); + + createPoints( s_pDefaultViewStructure->points( ), defaultEnd1, + defaultEnd2, defaultCylRadius, steps ); + + createLines( s_pDefaultViewStructure->lines( ), steps ); + } + return s_pDefaultViewStructure; +} + +void PMCylinder::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[steps - 1] = PMLine( steps - 1, 0 ); + lines[steps * 2 - 1] = PMLine( steps * 2 - 1, steps ); + + for( i = 0; i < steps; i++ ) + { + lines[i + 2 * steps] = PMLine( i, i + steps ); + } +} + +void PMCylinder::createPoints( PMPointArray& points, const PMVector& end1, + const PMVector& end2, double radius, int steps ) +{ + double angle = ( 2.0 * M_PI ) / ( double ) steps; + + PMVector pointAt = end2 - end1; + double pl = pointAt.abs( ); + if( approxZero( pl ) ) + pointAt = PMVector( 0.0, 0.0, 1.0 ); + else + pointAt /= pl; + + PMMatrix rotation = PMMatrix::rotation( pointAt, angle ); + PMVector endPoint = pointAt.orthogonal( ); + endPoint *= radius; + + int i; + for( i = 0; i < steps; i++ ) + { + points[i] = PMPoint( endPoint + end1 ); + points[i + steps] = PMPoint( endPoint + end2 ); + endPoint = rotation * endPoint; + } +} + +void PMCylinder::controlPoints( PMControlPointList & list ) +{ + PMVector center, angle1, angle2; + center = m_end1 - m_end2; + double pl = center.abs( ); + if( approxZero( pl ) ) + center = PMVector( 0.0, 1.0, 0.0 ); + else + center /= pl; + + angle1 = center.orthogonal( ); + angle2 = PMVector::cross( center, angle1 ); + + PM3DControlPoint* pb = new PM3DControlPoint( m_end1, PMEnd1ID, i18n( "End 1" ) ); + list.append( pb ); + list.append( new PM3DControlPoint( m_end2, PMEnd2ID, i18n( "End 2" ) ) ); + list.append( new PMDistanceControlPoint( pb, angle1, m_radius, PMRadiusID, i18n( "Radius (1)" ) ) ); + list.append( new PMDistanceControlPoint( pb, angle2, m_radius, PMRadiusID, i18n( "Radius (2)" ) ) ); +} + + +void PMCylinder::controlPointsChanged( PMControlPointList & list ) +{ + PMControlPoint* p; + bool pointChanged = false; + bool radiusChanged = false; + + for( p = list.first( ); p; p = list.next( ) ) + { + if( p->changed( ) ) + { + switch( p->id( ) ) + { + case PMEnd1ID: + setEnd1( ( ( PM3DControlPoint *) p)->point( ) ); + pointChanged = true; + break; + case PMEnd2ID: + setEnd2( ( ( PM3DControlPoint *) p)->point( ) ); + pointChanged = true; + break; + case PMRadiusID: + setRadius( ( ( PMDistanceControlPoint *) p)->distance( ) ); + radiusChanged = true; + break; + default: + kdError( PMArea ) << "Wrong ID in PMCylinder::controlPointsChanged\n"; + break; + } + } + } + + if( pointChanged ) + { + PMVector center, angle1, angle2; + bool firstPoint = true; + + center = m_end1 - m_end2; + double pl = center.abs( ); + if( approxZero( pl ) ) + center = PMVector( 0.0, 1.0, 0.0 ); + else + center /= pl; + + angle1 = center.orthogonal( ); + angle2 = PMVector::cross( center, angle1 ); + + for( p = list.first( ); p; p = list.next( ) ) + if( p->id( ) == PMRadiusID ) + { + if( firstPoint ) + { + ( ( PMDistanceControlPoint *) p)->setDirection( angle1 ); + firstPoint = false; + } + else + ( ( PMDistanceControlPoint *) p)->setDirection( angle2 ); + } + } + + if( radiusChanged ) + for( p = list.first( ); p; p = list.next( ) ) + if( p->id( ) == PMRadiusID ) + ( ( PMDistanceControlPoint *) p)->setDistance( m_radius ); +} + +void PMCylinder::setSteps( int s ) +{ + if( s >= 4 ) + { + s_numSteps = s; + if( s_pDefaultViewStructure ) + { + delete s_pDefaultViewStructure; + s_pDefaultViewStructure = 0; + } + } + else + kdDebug( PMArea ) << "PMCylinder::setSteps: S must be greater than 3\n"; + s_parameterKey++; +} + +void PMCylinder::cleanUp( ) const +{ + if( s_pDefaultViewStructure ) + delete s_pDefaultViewStructure; + s_pDefaultViewStructure = 0; + if( s_pMetaObject ) + { + delete s_pMetaObject; + s_pMetaObject = 0; + } + Base::cleanUp( ); +} |