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408 lines
11 KiB
408 lines
11 KiB
/*
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**************************************************************************
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description
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--------------------
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copyright : (C) 2000-2001 by Leonardo Skorianez
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email : lsk@if.ufrj.br
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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 "pmcylinder.h"
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#include "pmxmlhelper.h"
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#include "pmboxedit.h"
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#include "pmmemento.h"
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#include "pm3dcontrolpoint.h"
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#include "pmdefaults.h"
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#include <klocale.h>
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#include "pmdistancecontrolpoint.h"
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#include "pmcylinderedit.h"
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const double defaultCylRadius = 0.5;
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const double defaultHalfCylSize = 0.5;
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const PMVector defaultEnd1 = PMVector ( 0, defaultHalfCylSize, 0 );
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const PMVector defaultEnd2 = PMVector ( 0, -defaultHalfCylSize, 0 );
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const bool defaultOpen = false;
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/** default cylinder structure */
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PMViewStructure* PMCylinder::s_pDefaultViewStructure = 0;
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int PMCylinder::s_numSteps = c_defaultCylinderSteps;
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int PMCylinder::s_parameterKey = 0;
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PMDefinePropertyClass( PMCylinder, PMCylinderProperty );
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PMMetaObject* PMCylinder::s_pMetaObject = 0;
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PMObject* createNewCylinder( PMPart* part )
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{
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return new PMCylinder( part );
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}
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PMCylinder::PMCylinder( PMPart* part )
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: Base( part )
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{
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m_end1 = defaultEnd1;
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m_end2 = defaultEnd2;
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m_radius = defaultCylRadius;
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m_open = defaultOpen;
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}
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PMCylinder::PMCylinder( const PMCylinder& c )
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: Base( c )
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{
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m_end1 = c.m_end1;
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m_end2 = c.m_end2;
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m_radius = c.m_radius;
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m_open = c.m_open;
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}
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PMCylinder::~PMCylinder( )
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{
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}
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TQString PMCylinder::description( ) const
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{
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return i18n( "cylinder" );
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}
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void PMCylinder::serialize( TQDomElement& e, TQDomDocument& doc ) const
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{
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e.setAttribute( "end_a", m_end1.serializeXML( ) );
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e.setAttribute( "end_b", m_end2.serializeXML( ) );
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e.setAttribute( "radius", m_radius );
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e.setAttribute( "open", m_open );
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Base::serialize( e, doc );
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}
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void PMCylinder::readAttributes( const PMXMLHelper& h )
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{
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m_end1 = h.vectorAttribute( "end_a", defaultEnd1 );
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m_end2 = h.vectorAttribute( "end_b", defaultEnd2 );
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m_radius = h.doubleAttribute( "radius", defaultCylRadius );
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m_open = h.boolAttribute( "open", defaultOpen );
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Base::readAttributes( h );
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}
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PMMetaObject* PMCylinder::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( "Cylinder", Base::tqmetaObject( ),
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createNewCylinder );
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s_pMetaObject->addProperty(
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new PMCylinderProperty( "end1", &PMCylinder::setEnd1, &PMCylinder::end1 ) );
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s_pMetaObject->addProperty(
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new PMCylinderProperty( "end2", &PMCylinder::setEnd2, &PMCylinder::end2 ) );
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s_pMetaObject->addProperty(
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new PMCylinderProperty( "radius", &PMCylinder::setRadius, &PMCylinder::radius ) );
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s_pMetaObject->addProperty(
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new PMCylinderProperty( "open", &PMCylinder::setOpen, &PMCylinder::open ) );
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}
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return s_pMetaObject;
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}
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void PMCylinder::setEnd1( const PMVector& p )
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{
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if( p != m_end1 )
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{
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if( m_pMemento )
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m_pMemento->addData( s_pMetaObject, PMEnd1ID, m_end1 );
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m_end1 = p;
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m_end1.resize( 3 );
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setViewStructureChanged( );
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}
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}
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void PMCylinder::setEnd2( const PMVector& p )
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{
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if( p != m_end2 )
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{
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if( m_pMemento )
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m_pMemento->addData( s_pMetaObject, PMEnd2ID, m_end2 );
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m_end2 = p;
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m_end2.resize( 3 );
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setViewStructureChanged( );
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}
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}
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void PMCylinder::setRadius( double radius )
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{
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if( m_radius != radius )
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{
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if( m_pMemento )
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m_pMemento->addData( s_pMetaObject, PMRadiusID, m_radius );
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m_radius = radius;
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setViewStructureChanged( );
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}
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}
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void PMCylinder::setOpen( bool op )
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{
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if( op != m_open )
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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 = op;
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}
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}
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PMDialogEditBase* PMCylinder::editWidget( TQWidget* parent ) const
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{
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return new PMCylinderEdit( parent );
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}
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void PMCylinder::restoreMemento( PMMemento* s )
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{
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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 PMEnd1ID:
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setEnd1( data->vectorData( ) );
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break;
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case PMEnd2ID:
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setEnd2( data->vectorData( ) );
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break;
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case PMRadiusID:
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setRadius( data->doubleData( ) );
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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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default:
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kdError( PMArea ) << "Wrong ID in PMCylinder::restoreMemento\n";
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break;
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}
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}
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}
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Base::restoreMemento( s );
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}
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bool PMCylinder::isDefault( )
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{
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if( ( m_end1 == defaultEnd1 ) && ( m_end2 == defaultEnd2 )
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&& ( m_radius == defaultCylRadius ) && ( m_open == defaultOpen )
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&& globalDetail( ) )
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return true;
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return false;
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}
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void PMCylinder::createViewStructure( )
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{
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if( !m_pViewStructure )
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{
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m_pViewStructure = new PMViewStructure( defaultViewStructure ( ) );
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m_pViewStructure->points( ).detach( );
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}
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int steps = (int)( ( (float)s_numSteps / 2 ) * ( displayDetail( ) + 1 ) );
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unsigned ptsSize = steps * 2;
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unsigned lineSize = steps * 3;
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if( ptsSize != m_pViewStructure->points( ).size( ) )
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m_pViewStructure->points( ).resize( ptsSize );
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createPoints( m_pViewStructure->points( ), m_end1, m_end2, m_radius, steps );
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if( ( lineSize ) != m_pViewStructure->lines( ).size( ) )
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{
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m_pViewStructure->lines( ).detach( );
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m_pViewStructure->lines( ).resize( lineSize );
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createLines( m_pViewStructure->lines( ), steps );
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}
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}
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PMViewStructure* PMCylinder::defaultViewStructure( ) const
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{
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if( !s_pDefaultViewStructure || s_pDefaultViewStructure->parameterKey( ) != viewStructureParameterKey( ) )
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{
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delete s_pDefaultViewStructure;
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s_pDefaultViewStructure = 0;
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int steps = (int)( ( (float)s_numSteps / 2 ) * ( globalDetailLevel( ) + 1 ) );
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s_pDefaultViewStructure = new PMViewStructure( steps * 2, steps * 3 );
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createPoints( s_pDefaultViewStructure->points( ), defaultEnd1,
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defaultEnd2, defaultCylRadius, steps );
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createLines( s_pDefaultViewStructure->lines( ), steps );
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}
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return s_pDefaultViewStructure;
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}
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void PMCylinder::createLines( PMLineArray& lines, int steps )
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{
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int i;
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for( i = 0; i < ( steps - 1 ); i++ )
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{
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lines[i] = PMLine( i, i + 1 );
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lines[i + steps] = PMLine( i + steps, i + steps + 1 );
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}
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lines[steps - 1] = PMLine( steps - 1, 0 );
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lines[steps * 2 - 1] = PMLine( steps * 2 - 1, steps );
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for( i = 0; i < steps; i++ )
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{
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lines[i + 2 * steps] = PMLine( i, i + steps );
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}
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}
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void PMCylinder::createPoints( PMPointArray& points, const PMVector& end1,
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const PMVector& end2, double radius, int steps )
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{
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double angle = ( 2.0 * M_PI ) / ( double ) steps;
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PMVector pointAt = end2 - end1;
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double pl = pointAt.abs( );
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if( approxZero( pl ) )
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pointAt = PMVector( 0.0, 0.0, 1.0 );
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else
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pointAt /= pl;
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PMMatrix rotation = PMMatrix::rotation( pointAt, angle );
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PMVector endPoint = pointAt.orthogonal( );
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endPoint *= radius;
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int i;
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for( i = 0; i < steps; i++ )
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{
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points[i] = PMPoint( endPoint + end1 );
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points[i + steps] = PMPoint( endPoint + end2 );
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endPoint = rotation * endPoint;
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}
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}
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void PMCylinder::controlPoints( PMControlPointList & list )
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{
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PMVector center, angle1, angle2;
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center = m_end1 - m_end2;
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double pl = center.abs( );
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if( approxZero( pl ) )
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center = PMVector( 0.0, 1.0, 0.0 );
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else
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center /= pl;
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angle1 = center.orthogonal( );
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angle2 = PMVector::cross( center, angle1 );
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PM3DControlPoint* pb = new PM3DControlPoint( m_end1, PMEnd1ID, i18n( "End 1" ) );
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list.append( pb );
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list.append( new PM3DControlPoint( m_end2, PMEnd2ID, i18n( "End 2" ) ) );
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list.append( new PMDistanceControlPoint( pb, angle1, m_radius, PMRadiusID, i18n( "Radius (1)" ) ) );
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list.append( new PMDistanceControlPoint( pb, angle2, m_radius, PMRadiusID, i18n( "Radius (2)" ) ) );
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}
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void PMCylinder::controlPointsChanged( PMControlPointList & list )
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{
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PMControlPoint* p;
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bool pointChanged = false;
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bool radiusChanged = false;
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for( p = list.first( ); p; p = list.next( ) )
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{
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if( p->changed( ) )
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{
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switch( p->id( ) )
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{
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case PMEnd1ID:
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setEnd1( ( ( PM3DControlPoint *) p)->point( ) );
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pointChanged = true;
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break;
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case PMEnd2ID:
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setEnd2( ( ( PM3DControlPoint *) p)->point( ) );
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pointChanged = true;
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break;
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case PMRadiusID:
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setRadius( ( ( PMDistanceControlPoint *) p)->distance( ) );
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radiusChanged = true;
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break;
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default:
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kdError( PMArea ) << "Wrong ID in PMCylinder::controlPointsChanged\n";
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break;
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}
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}
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}
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if( pointChanged )
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{
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PMVector center, angle1, angle2;
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bool firstPoint = true;
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center = m_end1 - m_end2;
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double pl = center.abs( );
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if( approxZero( pl ) )
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center = PMVector( 0.0, 1.0, 0.0 );
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else
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center /= pl;
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angle1 = center.orthogonal( );
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angle2 = PMVector::cross( center, angle1 );
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for( p = list.first( ); p; p = list.next( ) )
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if( p->id( ) == PMRadiusID )
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{
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if( firstPoint )
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{
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( ( PMDistanceControlPoint *) p)->setDirection( angle1 );
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firstPoint = false;
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}
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else
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( ( PMDistanceControlPoint *) p)->setDirection( angle2 );
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}
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}
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if( radiusChanged )
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for( p = list.first( ); p; p = list.next( ) )
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if( p->id( ) == PMRadiusID )
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( ( PMDistanceControlPoint *) p)->setDistance( m_radius );
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}
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void PMCylinder::setSteps( int s )
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{
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if( s >= 4 )
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{
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s_numSteps = s;
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if( s_pDefaultViewStructure )
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{
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delete s_pDefaultViewStructure;
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s_pDefaultViewStructure = 0;
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}
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}
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else
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kdDebug( PMArea ) << "PMCylinder::setSteps: S must be greater than 3\n";
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s_parameterKey++;
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}
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void PMCylinder::cleanUp( ) const
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{
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if( s_pDefaultViewStructure )
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delete s_pDefaultViewStructure;
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s_pDefaultViewStructure = 0;
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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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