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452 lines
13 KiB
452 lines
13 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 "pmcone.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 "pmdistancecontrolpoint.h"
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#include "pmconeedit.h"
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#include <klocale.h>
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const double defaultConeRadius1 = 0.0;
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const double defaultConeRadius2 = 0.5;
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const double defaultHalfConeSize = 0.5;
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const PMVector defaultEnd1 = PMVector ( 0, defaultHalfConeSize, 0 );
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const PMVector defaultEnd2 = PMVector ( 0, -defaultHalfConeSize, 0 );
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const bool defaultOpen = false;
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/** default cone structure */
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PMViewStructure* PMCone::s_pDefaultViewStructure = 0;
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int PMCone::s_numSteps = c_defaultConeSteps;
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int PMCone::s_parameterKey = 0;
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PMDefinePropertyClass( PMCone, PMConeProperty );
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PMMetaObject* PMCone::s_pMetaObject = 0;
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PMObject* createNewCone( PMPart* part )
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{
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return new PMCone( part );
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}
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PMCone::PMCone( 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_radius1 = defaultConeRadius1;
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m_radius2 = defaultConeRadius2;
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m_open = defaultOpen;
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}
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PMCone::PMCone( const PMCone& 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_radius1 = c.m_radius1;
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m_radius2 = c.m_radius2;
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m_open = c.m_open;
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}
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PMCone::~PMCone( )
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{
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}
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TQString PMCone::description( ) const
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{
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return i18n( "cone" );
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}
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void PMCone::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_a", m_radius1 );
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e.setAttribute( "radius_b", m_radius2 );
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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 PMCone::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_radius1 = h.doubleAttribute( "radius_a", defaultConeRadius1 );
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m_radius2 = h.doubleAttribute( "radius_b", defaultConeRadius2 );
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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* PMCone::metaObject( ) const
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{
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if( !s_pMetaObject )
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{
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s_pMetaObject = new PMMetaObject( "Cone", Base::metaObject( ),
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createNewCone );
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s_pMetaObject->addProperty(
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new PMConeProperty( "end1", &PMCone::setEnd1, &PMCone::end1 ) );
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s_pMetaObject->addProperty(
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new PMConeProperty( "end2", &PMCone::setEnd2, &PMCone::end2 ) );
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s_pMetaObject->addProperty(
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new PMConeProperty( "radius1", &PMCone::setRadius1, &PMCone::radius1 ) );
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s_pMetaObject->addProperty(
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new PMConeProperty( "radius2", &PMCone::setRadius2, &PMCone::radius2 ) );
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s_pMetaObject->addProperty(
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new PMConeProperty( "open", &PMCone::setOpen, &PMCone::open ) );
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}
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return s_pMetaObject;
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}
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void PMCone::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 PMCone::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 PMCone::setRadius1( double radius )
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{
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if( m_radius1 != radius )
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{
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if( m_pMemento )
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m_pMemento->addData( s_pMetaObject, PMRadius1ID, m_radius1 );
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m_radius1 = radius;
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setViewStructureChanged( );
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}
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}
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void PMCone::setRadius2( double radius )
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{
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if( m_radius2 != radius )
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{
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if( m_pMemento )
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m_pMemento->addData( s_pMetaObject, PMRadius2ID, m_radius2 );
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m_radius2 = radius;
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setViewStructureChanged( );
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}
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}
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void PMCone::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* PMCone::editWidget( TQWidget * parent ) const
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{
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return new PMConeEdit( parent );
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}
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void PMCone::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 PMRadius1ID:
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setRadius1( data->doubleData( ) );
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break;
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case PMRadius2ID:
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setRadius2( 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 PMCone::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 PMCone::isDefault( )
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{
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if( ( m_end1 == defaultEnd1 ) && ( m_radius1 == defaultConeRadius1 )
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&& ( m_end2 == defaultEnd2 ) && ( m_radius2 == defaultConeRadius2 ) && ( 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 PMCone::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_radius1, m_radius2, 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* PMCone::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,defaultConeRadius1,defaultConeRadius2, 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 PMCone::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 PMCone::createPoints( PMPointArray& points, const PMVector& end1,
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const PMVector& end2, double radius1, double radius2, 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, 1.0, 0.0 );
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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 endPoint1 = pointAt.orthogonal( );
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endPoint1 *= radius1;
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PMVector endPoint2 = pointAt.orthogonal( );
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endPoint2 *= radius2;
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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( endPoint1 + end1 );
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points[i + steps] = PMPoint( endPoint2 + end2 );
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endPoint1 = rotation * endPoint1;
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endPoint2 = rotation * endPoint2;
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}
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}
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void PMCone::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* pb1 = new PM3DControlPoint( m_end1, PMEnd1ID, i18n( "End 1" ) );
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list.append( pb1 );
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PM3DControlPoint* pb2 = new PM3DControlPoint( m_end2, PMEnd2ID, i18n( "End 2" ) );
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list.append( pb2 );
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list.append( new PMDistanceControlPoint( pb1, angle1, m_radius1, PMRadius1ID, i18n( "Radius 1 (1)" ) ) );
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list.append( new PMDistanceControlPoint( pb1, angle2, m_radius1, PMRadius1ID, i18n( "Radius 1 (2)" ) ) );
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list.append( new PMDistanceControlPoint( pb2, angle1, m_radius2, PMRadius2ID, i18n( "Radius 2 (1)" ) ) );
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list.append( new PMDistanceControlPoint( pb2, angle2, m_radius2, PMRadius2ID, i18n( "Radius 2 (2)" ) ) );
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}
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void PMCone::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 PMRadius1ID:
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setRadius1( ( ( PMDistanceControlPoint *) p)->distance( ) );
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radiusChanged = true;
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break;
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case PMRadius2ID:
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setRadius2( ( ( 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 PMCone::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 firstPoint1 = true;
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bool firstPoint2 = 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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{
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if( p->id( ) == PMRadius1ID )
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{
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if( firstPoint1 )
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{
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( ( PMDistanceControlPoint *) p)->setDirection( angle1 );
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firstPoint1 = false;
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}
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else
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( ( PMDistanceControlPoint *) p)->setDirection( angle2 );
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}else if( p->id( ) == PMRadius2ID )
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{
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if( firstPoint2 )
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{
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( ( PMDistanceControlPoint *) p)->setDirection( angle1 );
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firstPoint2 = 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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}
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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( ) == PMRadius1ID )
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( ( PMDistanceControlPoint *) p)->setDistance( m_radius1 );
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else if( p->id( ) == PMRadius2ID )
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( ( PMDistanceControlPoint *) p)->setDistance( m_radius2 );
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}
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void PMCone::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 ) << "PMCone::setSteps: S must be greater than 4\n";
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s_parameterKey++;
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}
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void PMCone::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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