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Diffstat (limited to 'kpovmodeler/pmblobsphere.cpp')
| -rw-r--r-- | kpovmodeler/pmblobsphere.cpp | 391 |
1 files changed, 391 insertions, 0 deletions
diff --git a/kpovmodeler/pmblobsphere.cpp b/kpovmodeler/pmblobsphere.cpp new file mode 100644 index 00000000..6ca96769 --- /dev/null +++ b/kpovmodeler/pmblobsphere.cpp @@ -0,0 +1,391 @@ +/* +************************************************************************** + description + ------------------- + copyright : (C) 2002 by Andreas Zehender + email : zehender@kde.org +************************************************************************** + +************************************************************************** +* * +* This program is free software; you can redistribute it and/or modify * +* it under the terms of the GNU General Public License as published by * +* the Free Software Foundation; either version 2 of the License, or * +* (at your option) any later version. * +* * +**************************************************************************/ + +#include "pmblobsphere.h" + +#include "pmxmlhelper.h" +#include "pmblobsphereedit.h" +#include "pmmemento.h" +#include "pm3dcontrolpoint.h" +#include "pmdistancecontrolpoint.h" +#include "pmdefaults.h" + +#include <klocale.h> + +PMDefinePropertyClass( PMBlobSphere, PMBlobSphereProperty ); + +PMMetaObject* PMBlobSphere::s_pMetaObject = 0; +PMObject* createNewBlobSphere( PMPart* part ) +{ + return new PMBlobSphere( part ); +} + +/** default param for the sphere */ +const double c_defaultRadius = 0.5; +const PMVector c_defaultCentre = PMVector( 0, 0, 0 ); +const double c_defaultStrength = 1.0; + +/** default sphere structure */ +PMViewStructure* PMBlobSphere::s_pDefaultViewStructure = 0; + +int PMBlobSphere::s_vStep = c_defaultBlobSphereVSteps; +int PMBlobSphere::s_uStep = c_defaultBlobSphereUSteps; +int PMBlobSphere::s_parameterKey = 0; + +PMBlobSphere::PMBlobSphere( PMPart* part ) + : Base( part ) +{ + m_radius = c_defaultRadius; + m_centre = c_defaultCentre; + m_strength = c_defaultStrength; +} + +PMBlobSphere::PMBlobSphere( const PMBlobSphere& s ) + : Base( s ) +{ + m_radius = s.m_radius; + m_centre = s.m_centre; + m_strength = s.m_strength; +} + +PMBlobSphere::~PMBlobSphere( ) +{ +} + + +QString PMBlobSphere::description( ) const +{ + return i18n( "blob sphere" ); +} + +PMMetaObject* PMBlobSphere::metaObject( ) const +{ + if( !s_pMetaObject ) + { + s_pMetaObject = new PMMetaObject( "BlobSphere", Base::metaObject( ), + createNewBlobSphere ); + s_pMetaObject->addProperty( + new PMBlobSphereProperty( "center", &PMBlobSphere::setCentre, + &PMBlobSphere::centre ) ); + s_pMetaObject->addProperty( + new PMBlobSphereProperty( "radius", &PMBlobSphere::setRadius, + &PMBlobSphere::radius ) ); + s_pMetaObject->addProperty( + new PMBlobSphereProperty( "strength", &PMBlobSphere::setStrength, + &PMBlobSphere::strength ) ); + } + return s_pMetaObject; +} + +void PMBlobSphere::serialize( QDomElement& e, QDomDocument& doc ) const +{ + e.setAttribute( "centre", m_centre.serializeXML( ) ); + e.setAttribute( "radius", m_radius ); + e.setAttribute( "strength", m_strength ); + Base::serialize( e, doc ); +} + +void PMBlobSphere::readAttributes( const PMXMLHelper& h ) +{ + m_centre = h.vectorAttribute( "centre", c_defaultCentre ); + m_radius = h.doubleAttribute( "radius", c_defaultRadius ); + m_strength = h.doubleAttribute( "strength", c_defaultStrength ); + Base::readAttributes( h ); +} + +PMDialogEditBase* PMBlobSphere::editWidget( QWidget* parent ) const +{ + return new PMBlobSphereEdit( parent ); +} + +void PMBlobSphere::restoreMemento( PMMemento* s ) +{ + PMMementoDataIterator it( s ); + PMMementoData* data; + + for( ; it.current( ); ++it ) + { + data = it.current( ); + if( data->objectType( ) == s_pMetaObject ) + { + switch( data->valueID( ) ) + { + case PMRadiusID: + setRadius( data->doubleData( ) ); + break; + case PMCentreID: + setCentre( data->vectorData( ) ); + break; + case PMStrengthID: + setStrength( data->doubleData( ) ); + break; + default: + kdError( PMArea ) << "Wrong ID in PBlobSphere::restoreMemento\n"; + break; + } + } + } + Base::restoreMemento( s ); + +} + +void PMBlobSphere::controlPoints( PMControlPointList& list ) +{ + PM3DControlPoint* p = new PM3DControlPoint( m_centre, PMCentreID, + i18n( "Center" ) ); + list.append( p ); + list.append( new PMDistanceControlPoint( p, PMVector( 1.0, 0.0, 0.0 ), + m_radius, PMRadiusID, + i18n( "Radius (x)" ) ) ); + list.append( new PMDistanceControlPoint( p, PMVector( 0.0, 1.0, 0.0 ), + m_radius, PMRadiusID, + i18n( "Radius (y)" ) ) ); + list.append( new PMDistanceControlPoint( p, PMVector( 0.0, 0.0, 1.0 ), + m_radius, PMRadiusID, + i18n( "Radius (z)" ) ) ); +} + +void PMBlobSphere::controlPointsChanged( PMControlPointList& list ) +{ + PMControlPoint* p; + bool radiusChanged = false; + + for( p = list.first( ); p; p = list.next( ) ) + { + if( p->changed( ) ) + { + switch( p->id( ) ) + { + case PMCentreID: + setCentre( ( ( PM3DControlPoint* ) p )->point( ) ); + break; + case PMRadiusID: + setRadius( ( ( PMDistanceControlPoint* ) p )->distance( ) ); + radiusChanged = true; + break; + default: + kdError( PMArea ) << "Wrong ID in PMBlobSphere::controlPointsChanged\n"; + break; + } + } + } + + if( radiusChanged ) + for( p = list.first( ); p; p = list.next( ) ) + if( p->id( ) == PMRadiusID ) + ( ( PMDistanceControlPoint* ) p )->setDistance( m_radius ); +} + +bool PMBlobSphere::isDefault( ) +{ + if( ( m_radius == c_defaultRadius ) && ( m_centre == c_defaultCentre ) && globalDetail( ) ) + return true; + return false; +} + +void PMBlobSphere::createViewStructure( ) +{ + if( !m_pViewStructure ) + { + m_pViewStructure = new PMViewStructure( defaultViewStructure( ) ); + m_pViewStructure->points( ).detach( ); + } + + int uStep = (int)( ( (float)s_uStep / 2 ) * ( displayDetail( ) + 1 ) ); + int vStep = (int)( ( (float)s_vStep / 2 ) * ( displayDetail( ) + 1 ) ); + unsigned ptsSize = vStep * ( uStep - 1 ) + 2; + unsigned lineSize = vStep * ( uStep - 1 ) * 2 + vStep; + + if( ptsSize != m_pViewStructure->points( ).size( ) ) + m_pViewStructure->points( ).resize( ptsSize ); + + createPoints( m_pViewStructure->points( ), m_centre, m_radius, uStep, vStep ); + + if( lineSize != m_pViewStructure->lines( ).size( ) ) + { + m_pViewStructure->lines( ).detach( ); + m_pViewStructure->lines( ).resize( lineSize ); + createLines( m_pViewStructure->lines( ), uStep, vStep ); + } +} + +PMViewStructure* PMBlobSphere::defaultViewStructure( ) const +{ + if( !s_pDefaultViewStructure || s_pDefaultViewStructure->parameterKey( ) != viewStructureParameterKey( ) ) + { + delete s_pDefaultViewStructure; + s_pDefaultViewStructure = 0; + int uStep = (int)( ( (float)s_uStep / 2 ) * ( globalDetailLevel( ) + 1 ) ); + int vStep = (int)( ( (float)s_vStep / 2 ) * ( globalDetailLevel( ) + 1 ) ); + + s_pDefaultViewStructure = + new PMViewStructure( vStep * ( uStep - 1 ) + 2, + vStep * ( uStep - 1 ) * 2 + vStep ); + + createPoints( s_pDefaultViewStructure->points( ), c_defaultCentre, + c_defaultRadius, uStep, vStep ); + + createLines( s_pDefaultViewStructure->lines( ), uStep, vStep ); + } + return s_pDefaultViewStructure; +} + +void PMBlobSphere::createLines( PMLineArray& lines, int uStep, int vStep ) +{ + int u, v; + int offset = 0; + + // horizontal lines + for( u = 0; u < ( uStep - 1 ); u++ ) + { + for( v = 0; v < ( vStep - 1 ); v++ ) + lines[offset + v] = + PMLine( u * vStep + v + 1, u * vStep + v + 2 ); + lines[offset + vStep - 1] = + PMLine( u * vStep + 1, u * vStep + vStep ); + + offset += vStep; + } + + // vertical lines + // lines at the "north pole" + for( v = 0; v < vStep; v++ ) + lines[offset + v] = PMLine( 0, v + 1 ); + offset += vStep; + + for( v = 0; v < vStep; v++ ) + { + for( u = 0; u < ( uStep - 2 ); u++ ) + { + lines[offset + u] = + PMLine( u * vStep + v + 1, ( u + 1 ) * vStep + v + 1 ); + } + offset += ( uStep - 2 ); + } + // lines at the "south pole" + for( v = 0; v < vStep; v++ ) + lines[offset + v] = PMLine( ( uStep - 2 ) * vStep + v + 1, + ( uStep - 1 ) * vStep + 1 ); + // offset += vStep; +} + +void PMBlobSphere::createPoints( PMPointArray& points, const PMVector& centre, + double radius, int uStep, int vStep ) +{ + double l_UradStep = M_PI / uStep; + double l_VradStep = ( 2.0 * M_PI ) / vStep; + double l_u = l_UradStep; + int u, v; + + points[0] = PMPoint( centre + PMVector( 0, radius, 0 ) ); + points[vStep * ( uStep - 1 ) + 1] = + PMPoint( centre - PMVector( 0, radius, 0 ) ); + + for( u = 0; u < ( uStep - 1 ); u++ ) + { + double l_v = 0.0; + double l_rcosu = radius * sin( l_u ); + double y = ( radius * cos( l_u ) ) + centre[1]; + for( v = 0; v < vStep ; v++ ) + { + + double x = ( l_rcosu * cos( l_v ) ) + centre[0]; + double z = ( l_rcosu * sin( l_v ) ) + centre[2]; + + points[u * vStep + v + 1] = PMPoint( x, y, z ); + l_v = l_v + l_VradStep; + } + l_u = l_u + l_UradStep; + } +} + +void PMBlobSphere::setRadius( double radius ) +{ + if( m_radius != radius ) + { + if( m_pMemento ) + m_pMemento->addData( s_pMetaObject, PMRadiusID, m_radius ); + m_radius = radius; + setViewStructureChanged( ); + } +} + +void PMBlobSphere::setCentre( const PMVector& centre ) +{ + if( m_centre != centre ) + { + if( m_pMemento ) + m_pMemento->addData( s_pMetaObject, PMCentreID, m_centre ); + m_centre = centre; + setViewStructureChanged( ); + } +} + +void PMBlobSphere::setStrength( double s ) +{ + if( m_strength != s ) + { + if( m_pMemento ) + m_pMemento->addData( s_pMetaObject, PMStrengthID, m_strength ); + m_strength = s; + } +} + +void PMBlobSphere::setUSteps( int u ) +{ + if( u >= 2 ) + { + s_uStep = u; + if( s_pDefaultViewStructure ) + { + delete s_pDefaultViewStructure; + s_pDefaultViewStructure = 0; + } + } + else + kdDebug( PMArea ) << "PMBlobSphere::setUSteps: U must be greater than 1\n"; + s_parameterKey++; +} + +void PMBlobSphere::setVSteps( int v ) +{ + if( v >= 4 ) + { + s_vStep = v; + if( s_pDefaultViewStructure ) + { + delete s_pDefaultViewStructure; + s_pDefaultViewStructure = 0; + } + } + else + kdDebug( PMArea ) << "PMBlobSphere::setVSteps: V must be greater than 3\n"; + s_parameterKey++; +} + +void PMBlobSphere::cleanUp( ) const +{ + if( s_pDefaultViewStructure ) + delete s_pDefaultViewStructure; + s_pDefaultViewStructure = 0; + if( s_pMetaObject ) + { + delete s_pMetaObject; + s_pMetaObject = 0; + } + Base::cleanUp( ); +} |