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Diffstat (limited to 'kpovmodeler/pmsphere.cpp')
| -rw-r--r-- | kpovmodeler/pmsphere.cpp | 411 |
1 files changed, 411 insertions, 0 deletions
diff --git a/kpovmodeler/pmsphere.cpp b/kpovmodeler/pmsphere.cpp new file mode 100644 index 00000000..698b5352 --- /dev/null +++ b/kpovmodeler/pmsphere.cpp @@ -0,0 +1,411 @@ +/* +************************************************************************** + pmsphere.cpp - description + ------------------- + copyright : (C) 2001 by Philippe Van Hecke + email : lephiloux@tiscalinet.be + copyright : (C) 2001-2002 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 "pmsphere.h" + +#include "pmxmlhelper.h" +#include "pmsphereedit.h" +#include "pmmemento.h" +#include "pm3dcontrolpoint.h" +#include "pmdistancecontrolpoint.h" +#include "pmdefaults.h" + +#include <klocale.h> + +/** default param for the sphere */ +const double c_defaultRadius = 0.5; +const PMVector c_defaultCentre = PMVector( 0, 0, 0 ); + +/** default sphere structure */ +PMViewStructure* PMSphere::s_pDefaultViewStructure = 0; + +int PMSphere::s_vStep = c_defaultSphereVSteps; +int PMSphere::s_uStep = c_defaultSphereUSteps; +int PMSphere::s_parameterKey = 0; + +PMDefinePropertyClass( PMSphere, PMSphereProperty ); + +PMMetaObject* PMSphere::s_pMetaObject = 0; +PMObject* createNewSphere( PMPart* part ) +{ + return new PMSphere( part ); +} + +PMSphere::PMSphere( PMPart* part ) + : Base( part ) +{ + m_radius = c_defaultRadius; + m_centre = c_defaultCentre; +} + +PMSphere::PMSphere( const PMSphere& s ) + : Base( s ) +{ + m_radius = s.m_radius; + m_centre = s.m_centre; +} + +PMSphere::~PMSphere( ) +{ +} + + +QString PMSphere::description( ) const +{ + return i18n( "sphere" ); +} + +PMMetaObject* PMSphere::metaObject( ) const +{ + if( !s_pMetaObject ) + { + s_pMetaObject = new PMMetaObject( "Sphere", Base::metaObject( ), + createNewSphere ); + s_pMetaObject->addProperty( + new PMSphereProperty( "radius", &PMSphere::setRadius, &PMSphere::radius ) ); + s_pMetaObject->addProperty( + new PMSphereProperty( "center", &PMSphere::setCentre, &PMSphere::centre ) ); + } + return s_pMetaObject; +} + +void PMSphere::serialize( QDomElement& e, QDomDocument& doc ) const +{ + e.setAttribute( "centre", m_centre.serializeXML( ) ); + e.setAttribute( "radius", m_radius ); + Base::serialize( e, doc ); +} + +void PMSphere::readAttributes( const PMXMLHelper& h ) +{ + m_centre = h.vectorAttribute( "centre", c_defaultCentre ); + m_radius = h.doubleAttribute( "radius", c_defaultRadius ); + Base::readAttributes( h ); +} + +PMDialogEditBase* PMSphere::editWidget( QWidget* parent ) const +{ + + return new PMSphereEdit( parent ); +} + +void PMSphere::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; + default: + kdError( PMArea ) << "Wrong ID in PSphere::restoreMemento\n"; + break; + } + } + } + Base::restoreMemento( s ); + +} + +void PMSphere::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 PMSphere::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 PMSphere::controlPointsChanged\n"; + break; + } + } + } + + if( radiusChanged ) + for( p = list.first( ); p; p = list.next( ) ) + if( p->id( ) == PMRadiusID ) + ( ( PMDistanceControlPoint* ) p )->setDistance( m_radius ); +} + +bool PMSphere::isDefault( ) +{ + if( ( m_radius == c_defaultRadius ) && ( m_centre == c_defaultCentre ) && globalDetail( ) ) + return true; + return false; +} + +void PMSphere::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; + unsigned faceSize = vStep * uStep; + + 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 ); + } + + if( faceSize != m_pViewStructure->faces( ).size( ) ) + { + m_pViewStructure->faces( ).resize( faceSize ); + createFaces( m_pViewStructure->faces( ), uStep, vStep ); + } +} + +PMViewStructure* PMSphere::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, + vStep * uStep ); + + // points + createPoints( s_pDefaultViewStructure->points( ), c_defaultCentre, + c_defaultRadius, uStep, vStep ); + //lines + createLines( s_pDefaultViewStructure->lines( ), uStep, vStep ); + + //faces + createFaces( s_pDefaultViewStructure->faces( ), uStep, vStep ); + } + + return s_pDefaultViewStructure; +} + +void PMSphere::createFaces( PMFaceArray& faces, int uStep, int vStep ) +{ + int u, v, offsetPt1, offsetPt2, offsetFace; + + offsetPt1 = vStep * ( uStep - 1 ) + 1; + offsetPt2 = vStep * ( uStep - 2 ) + 1; + offsetFace = vStep * ( uStep - 1 ); + for( v = 0; v < vStep - 1; ++v ) + { + faces[v] = PMFace( 0, v + 2, v + 1 ); + faces[ offsetFace + v ] = PMFace( offsetPt1, v + offsetPt2, v + offsetPt2 + 1 ); + } + + faces[ vStep - 1 ] = PMFace( 0, 1, vStep ); + faces[ offsetFace + vStep - 1 ] = PMFace( offsetPt1, vStep + offsetPt2 - 1, offsetPt2 ); + + offsetFace = vStep; + for( u = 0; u < ( uStep - 2 ); ++u ) + { + offsetPt1 = ( u * vStep ) + 1; + offsetPt2 = ( ( u + 1 ) * vStep ) + 1; + for( v = 0; v < ( vStep - 1 ); ++v ) + faces[ offsetFace + v ] = PMFace( v + offsetPt1, v + offsetPt1 + 1, v + offsetPt2 + 1, v + offsetPt2 ); + faces[ offsetFace + vStep - 1 ] = PMFace( offsetPt1 + vStep - 1, offsetPt1, offsetPt2, offsetPt2 + vStep - 1 ); + offsetFace += vStep; + } +} + +void PMSphere::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 += s_vStep; +} + +void PMSphere::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 PMSphere::setRadius( double radius ) +{ + if( m_radius != radius ) + { + if( m_pMemento ) + m_pMemento->addData( s_pMetaObject, PMRadiusID, m_radius ); + m_radius = radius; + setViewStructureChanged( ); + } +} + +void PMSphere::setCentre( const PMVector& centre ) +{ + if( m_centre != centre ) + { + if( m_pMemento ) + m_pMemento->addData( s_pMetaObject, PMCentreID, m_centre ); + m_centre = centre; + setViewStructureChanged( ); + } +} + +void PMSphere::setUSteps( int u ) +{ + if( u >= 2 ) + { + s_uStep = u; + if( s_pDefaultViewStructure ) + { + delete s_pDefaultViewStructure; + s_pDefaultViewStructure = 0; + } + } + else + kdDebug( PMArea ) << "PMSPhere::setUSteps: U must be greater than 1\n"; + s_parameterKey++; +} + +void PMSphere::setVSteps( int v ) +{ + if( v >= 4 ) + { + s_vStep = v; + if( s_pDefaultViewStructure ) + { + delete s_pDefaultViewStructure; + s_pDefaultViewStructure = 0; + } + } + else + kdDebug( PMArea ) << "PMSphere::setVSteps: V must be greater than 3\n"; + s_parameterKey++; +} + +void PMSphere::cleanUp( ) const +{ + if( s_pDefaultViewStructure ) + delete s_pDefaultViewStructure; + s_pDefaultViewStructure = 0; + if( s_pMetaObject ) + { + delete s_pMetaObject; + s_pMetaObject = 0; + } + Base::cleanUp( ); +} |