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tdegraphics/kpovmodeler/pmtorus.cpp

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11 KiB

/***************************************************************************
pmtorus.cpp - description
-------------------
copyright : (C) 2001 Philippe Van Hecke
email : lephiloux@tiscalinet.be
copyright : (C) 2002 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 "pmtorus.h"
#include "pmxmlhelper.h"
#include "pmtorusedit.h"
#include "pmmemento.h"
#include "pmviewstructure.h"
#include "pm3dcontrolpoint.h"
#include "pmdistancecontrolpoint.h"
#include "pmdefaults.h"
#include <klocale.h>
/** default param for the Torus */
const double c_defaultminorRadius = 0.25;
const double c_defaultmajorRadius = 0.5;
const bool c_defaultsturm = false;
/** default Torus structure */
PMViewStructure* PMTorus::s_pDefaultViewStructure = 0;
int PMTorus::s_vStep = c_defaultTorusVSteps;
int PMTorus::s_uStep = c_defaultTorusUSteps;
int PMTorus::s_parameterKey = 0;
PMDefinePropertyClass( PMTorus, PMTorusProperty );
PMMetaObject* PMTorus::s_pMetaObject = 0;
PMObject* createNewTorus( PMPart* part )
{
return new PMTorus( part );
}
PMTorus::PMTorus( PMPart* part )
: Base( part )
{
m_minorRadius = c_defaultminorRadius;
m_majorRadius = c_defaultmajorRadius;
m_sturm = c_defaultsturm ;
}
PMTorus::PMTorus( const PMTorus& t )
: Base( t )
{
m_minorRadius = t.m_minorRadius;
m_majorRadius = t.m_majorRadius;
m_sturm = t.m_sturm;
}
PMTorus::~PMTorus( )
{
}
TQString PMTorus::description( ) const
{
return i18n( "torus" );
}
PMMetaObject* PMTorus::tqmetaObject( ) const
{
if( !s_pMetaObject )
{
s_pMetaObject = new PMMetaObject( "Torus", Base::tqmetaObject( ),
createNewTorus );
s_pMetaObject->addProperty(
new PMTorusProperty( "minorRadius", &PMTorus::setMinorRadius,
&PMTorus::minorRadius ) );
s_pMetaObject->addProperty(
new PMTorusProperty( "majorRadius", &PMTorus::setMajorRadius,
&PMTorus::majorRadius ) );
s_pMetaObject->addProperty(
new PMTorusProperty( "sturm", &PMTorus::setSturm, &PMTorus::sturm ) );
}
return s_pMetaObject;
}
void PMTorus::serialize( TQDomElement& e, TQDomDocument& doc ) const
{
e.setAttribute( "minor_radius", m_minorRadius );
e.setAttribute( "major_radius", m_majorRadius );
e.setAttribute( "sturm", m_sturm );
Base::serialize( e, doc );
}
void PMTorus::readAttributes( const PMXMLHelper& h )
{
m_minorRadius = h.doubleAttribute( "minor_radius", c_defaultminorRadius );
m_majorRadius = h.doubleAttribute( "major_radius", c_defaultmajorRadius );
m_sturm = h.boolAttribute( "sturm", c_defaultsturm );
Base::readAttributes( h );
}
PMDialogEditBase* PMTorus::editWidget( TQWidget* parent ) const
{
return new PMTorusEdit( parent );
}
void PMTorus::restoreMemento( PMMemento* s )
{
PMMementoDataIterator it( s );
PMMementoData* data;
for( ; it.current( ); ++it )
{
data = it.current( );
if( data->objectType( ) == s_pMetaObject )
{
switch( data->valueID( ) )
{
case PMMinorRadiusID:
setMinorRadius( data->doubleData( ) );
break;
case PMMajorRadiusID:
setMajorRadius( data->doubleData( ) );
break;
case PMSturmID:
setSturm( data->boolData( ) );
default:
kdError( PMArea ) << "Wrong ID in PMTorus::restoreMemento\n";
break;
}
}
}
Base::restoreMemento( s );
}
void PMTorus::controlPoints( PMControlPointList& list )
{
PMVector majorCenter( 0, 0, 0 );
/** control points of the major radius */
list.append( new PMDistanceControlPoint( majorCenter, PMVector( 1.0, 0.0, 0.0 ),
m_majorRadius, PMMajorRadiusID,
i18n( "Major radius (x)" ) ) );
PMDistanceControlPoint* rcp =
new PMDistanceControlPoint( majorCenter, PMVector( 0.0, 0.0, 1.0 ),
m_majorRadius, PMMajorRadiusID,
i18n( "Major radius (z)" ) );
list.append( rcp );
PMVector minorCenter( 0.0, 0.0, m_majorRadius );
list.append( new PMDistanceControlPoint( rcp, PMVector( 0.0, 1.0, 0.0 ),
m_minorRadius, PMMinorRadiusID,
i18n( "Minor radius (y)" ) ) );
list.append( new PMDistanceControlPoint( rcp, PMVector( 0.0, 0.0, 1.0 ),
m_minorRadius, PMMinorRadiusID,
i18n( "Minor radius (z)" ) ) );
}
void PMTorus::controlPointsChanged( PMControlPointList& list )
{
bool majorChanged = false, minorChanged = false;
PMControlPoint* p;
for( p = list.first( ); p; p = list.next( ) )
{
if( p->changed( ) )
{
switch( p->id( ) )
{
case PMMinorRadiusID:
setMinorRadius( ( ( PMDistanceControlPoint* ) p )->distance( ) );
( ( PMDistanceControlPoint* ) p )->setDistance( m_minorRadius );
minorChanged = true;
break;
case PMMajorRadiusID:
setMajorRadius( ( ( PMDistanceControlPoint* ) p )->distance( ) );
( ( PMDistanceControlPoint* ) p )->setDistance( m_majorRadius );
majorChanged = true;
break;
default:
kdError( PMArea ) << "Wrong ID in PMTorus::controlPointsChanged\n";
break;
}
}
}
if( majorChanged )
for( p = list.first( ); p; p = list.next( ) )
if( p->id( ) == PMMajorRadiusID )
( ( PMDistanceControlPoint* ) p )->setDistance( m_majorRadius );
if( minorChanged )
for( p = list.first( ); p; p = list.next( ) )
if( p->id( ) == PMMinorRadiusID )
( ( PMDistanceControlPoint* ) p )->setDistance( m_minorRadius );
}
bool PMTorus::isDefault( )
{
if( ( m_minorRadius == c_defaultminorRadius )
&& ( m_majorRadius == c_defaultmajorRadius )
&& globalDetail( ) )
return true;
return false;
}
void PMTorus::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;
unsigned lineSize = vStep * uStep * 2;
if( ptsSize != m_pViewStructure->points( ).size( ) )
m_pViewStructure->points( ).resize( ptsSize );
createPoints( m_pViewStructure->points( ), m_minorRadius, m_majorRadius, uStep, vStep );
if( lineSize != m_pViewStructure->lines( ).size( ) )
{
m_pViewStructure->lines( ).detach( );
m_pViewStructure->lines( ).resize( lineSize );
createLines( m_pViewStructure->lines( ), uStep, vStep );
}
}
PMViewStructure* PMTorus::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 ,
vStep * uStep * 2 );
createPoints( s_pDefaultViewStructure->points( ), c_defaultminorRadius,
c_defaultmajorRadius, uStep, vStep );
createLines( s_pDefaultViewStructure->lines( ), uStep, vStep );
}
return s_pDefaultViewStructure;
}
void PMTorus::createLines( PMLineArray& lines, int uStep, int vStep )
{
int u, v;
for( u = 0; u < uStep; ++u )
{
for( v = 0; v < vStep; ++v )
{
lines[ u * vStep + v ] = PMLine( u * vStep + v, u * vStep + ( (v+1) % vStep ) );
lines[ uStep * vStep + u * vStep + v ] = PMLine( u * vStep + v, ( (u+1) % uStep ) * vStep + v );
}
}
}
void PMTorus::createPoints( PMPointArray& points, double minor_radius,
double major_radius, int uStep, int vStep )
{
double l_UradStep = ( 2.0 * M_PI ) / uStep;
double l_VradStep = ( 2.0 * M_PI ) / vStep;
double l_u = l_UradStep;
int u, v;
for( u = 0; u < uStep; ++u )
{
double l_v = 0.0;
double y = minor_radius * sin ( l_u );
double l_rcosu = major_radius + minor_radius * cos( l_u );
for( v = 0; v < vStep; ++v )
{
double x = l_rcosu * cos( l_v );
double z = l_rcosu * sin( l_v );
points[u * vStep + v ] = PMPoint( x, y, z );
l_v = l_v + l_VradStep;
}
l_u = l_u + l_UradStep;
}
}
void PMTorus::setMinorRadius( double minor_radius )
{
if( m_minorRadius != minor_radius )
{
if( m_pMemento )
m_pMemento->addData( s_pMetaObject, PMMinorRadiusID, m_minorRadius );
m_minorRadius = minor_radius;
setViewStructureChanged( );
}
}
void PMTorus::setMajorRadius( double major_radius )
{
if( m_majorRadius != major_radius )
{
if( m_pMemento )
m_pMemento->addData( s_pMetaObject, PMMajorRadiusID, m_majorRadius );
m_majorRadius = major_radius;
setViewStructureChanged( );
}
}
void PMTorus::setSturm( bool sturm )
{
if( m_sturm != sturm )
{
if( m_pMemento )
m_pMemento->addData( s_pMetaObject, PMSturmID, m_sturm );
m_sturm = sturm;
setViewStructureChanged( );
}
}
void PMTorus::setUSteps( int u )
{
if( u >= 2 )
{
s_uStep = u;
if( s_pDefaultViewStructure )
{
delete s_pDefaultViewStructure;
s_pDefaultViewStructure = 0;
}
}
else
kdDebug( PMArea ) << "PMTorus::setUSteps: U must be greater than 1\n";
s_parameterKey++;
}
void PMTorus::setVSteps( int v )
{
if( v >= 4 )
{
s_vStep = v;
if( s_pDefaultViewStructure )
{
delete s_pDefaultViewStructure;
s_pDefaultViewStructure = 0;
}
}
else
kdDebug( PMArea ) << "PMTorus::setVSteps: V must be greater than 3\n";
s_parameterKey++;
}
void PMTorus::cleanUp( ) const
{
if( s_pDefaultViewStructure )
delete s_pDefaultViewStructure;
s_pDefaultViewStructure = 0;
if( s_pMetaObject )
{
delete s_pMetaObject;
s_pMetaObject = 0;
}
Base::cleanUp( );
}