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469 lines
13 KiB
469 lines
13 KiB
/*
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**************************************************************************
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description
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--------------------
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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 "pmblobcylinder.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 "pmblobcylinderedit.h"
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#include <tdelocale.h>
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PMDefinePropertyClass( PMBlobCylinder, PMBlobCylinderProperty );
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PMMetaObject* PMBlobCylinder::s_pMetaObject = 0;
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PMObject* createNewBlobCylinder( PMPart* part )
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{
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return new PMBlobCylinder( part );
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}
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const double c_defaultRadius = 0.5;
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const PMVector c_defaultEnd1 = PMVector ( 0, 0.5, 0 );
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const PMVector c_defaultEnd2 = PMVector ( 0, -0.5, 0 );
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const double c_defaultStrength = 1.0;
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/** default cylinder structure */
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PMViewStructure* PMBlobCylinder::s_pDefaultViewStructure = 0;
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int PMBlobCylinder::s_vStep = c_defaultBlobCylinderVSteps;
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int PMBlobCylinder::s_uStep = c_defaultBlobCylinderUSteps;
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int PMBlobCylinder::s_parameterKey = 0;
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PMBlobCylinder::PMBlobCylinder( PMPart* part )
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: Base( part )
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{
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m_end1 = c_defaultEnd1;
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m_end2 = c_defaultEnd2;
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m_radius = c_defaultRadius;
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m_strength = c_defaultStrength;
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}
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PMBlobCylinder::PMBlobCylinder( const PMBlobCylinder& 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_strength = c.m_strength;
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}
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PMBlobCylinder::~PMBlobCylinder( )
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{
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}
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TQString PMBlobCylinder::description( ) const
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{
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return i18n( "blob cylinder" );
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}
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void PMBlobCylinder::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( "strength", m_strength );
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Base::serialize( e, doc );
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}
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void PMBlobCylinder::readAttributes( const PMXMLHelper& h )
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{
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m_end1 = h.vectorAttribute( "end_a", c_defaultEnd1 );
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m_end2 = h.vectorAttribute( "end_b", c_defaultEnd2 );
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m_radius = h.doubleAttribute( "radius", c_defaultRadius );
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m_strength = h.doubleAttribute( "strength", c_defaultStrength );
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Base::readAttributes( h );
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}
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PMMetaObject* PMBlobCylinder::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( "BlobCylinder", Base::metaObject( ),
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createNewBlobCylinder );
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s_pMetaObject->addProperty(
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new PMBlobCylinderProperty( "end1", &PMBlobCylinder::setEnd1,
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&PMBlobCylinder::end1 ) );
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s_pMetaObject->addProperty(
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new PMBlobCylinderProperty( "end2", &PMBlobCylinder::setEnd2,
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&PMBlobCylinder::end2 ) );
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s_pMetaObject->addProperty(
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new PMBlobCylinderProperty( "radius", &PMBlobCylinder::setRadius,
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&PMBlobCylinder::radius ) );
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s_pMetaObject->addProperty(
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new PMBlobCylinderProperty( "strength", &PMBlobCylinder::setStrength,
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&PMBlobCylinder::strength ) );
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}
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return s_pMetaObject;
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}
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void PMBlobCylinder::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 PMBlobCylinder::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 PMBlobCylinder::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 PMBlobCylinder::setStrength( double s )
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{
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if( s != m_strength )
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{
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if( m_pMemento )
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m_pMemento->addData( s_pMetaObject, PMStrengthID, m_strength );
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m_strength = s;
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}
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}
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PMDialogEditBase* PMBlobCylinder::editWidget( TQWidget* parent ) const
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{
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return new PMBlobCylinderEdit( parent );
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}
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void PMBlobCylinder::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 PMStrengthID:
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setStrength( data->doubleData( ) );
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break;
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default:
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kdError( PMArea ) << "Wrong ID in PMBlobCylinder::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 PMBlobCylinder::isDefault( )
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{
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if( ( m_end1 == c_defaultEnd1 ) && ( m_end2 == c_defaultEnd2 )
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&& ( m_radius == c_defaultRadius )
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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 PMBlobCylinder::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 uStep = (int)( ( (float)s_uStep / 2 ) * ( displayDetail( ) + 1 ) );
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int vStep = (int)( ( (float)s_vStep / 2 ) * ( displayDetail( ) + 1 ) );
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unsigned ptsSize = vStep * uStep * 2 + 2;
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unsigned lineSize = vStep * uStep * 4 + vStep;
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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, uStep, vStep );
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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( ), uStep, vStep );
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}
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}
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PMViewStructure* PMBlobCylinder::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 uStep = (int)( ( (float)s_uStep / 2 ) * ( displayDetail( ) + 1 ) );
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int vStep = (int)( ( (float)s_vStep / 2 ) * ( displayDetail( ) + 1 ) );
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s_pDefaultViewStructure =
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new PMViewStructure( vStep * uStep * 2 + 2,
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vStep * uStep * 4 + vStep );
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createPoints( s_pDefaultViewStructure->points( ), c_defaultEnd1,
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c_defaultEnd2, c_defaultRadius, uStep, vStep );
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createLines( s_pDefaultViewStructure->lines( ), uStep, vStep );
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}
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return s_pDefaultViewStructure;
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}
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void PMBlobCylinder::createLines( PMLineArray& lines, int uStep, int vStep )
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{
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int u, v;
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int offset = 0;
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// horizontal lines
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for( u = 0; u < ( uStep * 2 ); u++ )
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{
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for( v = 0; v < ( vStep - 1 ); v++ )
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lines[offset + v] =
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PMLine( u * vStep + v + 1, u * vStep + v + 2 );
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lines[offset + vStep - 1] =
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PMLine( u * vStep + 1, u * vStep + vStep );
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offset += vStep;
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}
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// vertical lines
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// lines at the "north pole"
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for( v = 0; v < vStep; v++ )
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lines[offset + v] = PMLine( 0, v + 1 );
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offset += vStep;
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for( v = 0; v < vStep; v++ )
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{
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for( u = 0; u < ( 2 * uStep - 1 ); u++ )
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{
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lines[offset + u] =
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PMLine( u * vStep + v + 1, ( u + 1 ) * vStep + v + 1 );
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}
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offset += ( 2 * uStep - 1 );
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}
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// lines at the "south pole"
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for( v = 0; v < vStep; v++ )
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lines[offset + v] = PMLine( ( 2 * uStep - 1 ) * vStep + v + 1,
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2 * uStep * vStep + 1 );
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// offset += vStep;
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}
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void PMBlobCylinder::createPoints( PMPointArray& points, const PMVector& end1,
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const PMVector& end2, double radius, int uStep, int vStep )
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{
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double uRadStep = M_PI / uStep / 2.0;
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double vRadStep = 2 * M_PI / vStep;
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double du = uRadStep;
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if( radius < 0 )
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radius = -radius;
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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, vRadStep );
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PMVector ortho = pointAt.orthogonal( );
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ortho /= ortho.abs( );
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points[0] = PMPoint( end1 - pointAt * radius );
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points[vStep * uStep * 2 + 1] = PMPoint( end2 + pointAt * radius );
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int u, v;
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for( u = 0; u < uStep; u++ )
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{
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PMVector end = ortho * radius * sin( du );
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PMVector pv = pointAt * radius * cos( du );
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PMVector e1 = end1 - pv;
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PMVector e2 = end2 + pv;
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for( v = 0; v < vStep; v++ )
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{
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points[u * vStep + v + 1] = PMPoint( e1 + end );
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points[vStep * uStep * 2 - ( u + 1 ) * vStep + v + 1]
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= PMPoint( e2 + end );
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end = rotation * end;
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}
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du += uRadStep;
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}
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}
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void PMBlobCylinder::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 PMBlobCylinder::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 PMBlobCylinder::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 PMBlobCylinder::setUSteps( int u )
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{
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if( u >= 2 )
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{
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s_uStep = u;
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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 ) << "PMBlobCylinder::setUSteps: U must be greater than 1\n";
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s_parameterKey++;
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}
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void PMBlobCylinder::setVSteps( int v )
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{
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if( v >= 4 )
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{
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s_vStep = v;
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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 ) << "PMBlobCylinder::setVSteps: V must be greater than 3\n";
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s_parameterKey++;
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}
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void PMBlobCylinder::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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