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tdegraphics/kpovmodeler/pmdisc.cpp

441 lines
12 KiB

/*
**************************************************************************
description
--------------------
copyright : (C) 2000-2001 by Leonardo Skorianez
email : lsk@if.ufrj.br
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 "pmdisc.h"
#include "pmxmlhelper.h"
#include "pmboxedit.h"
#include "pmmemento.h"
#include "pmdistancecontrolpoint.h"
#include "pmvectorcontrolpoint.h"
#include "pm3dcontrolpoint.h"
#include "pmdefaults.h"
#include <klocale.h>
#include "pmdiscedit.h"
const double defaultDiscRadius = 1.0;
const double defaultDiscHoleRadius = 0.0;
const PMVector defaultDiscCenter = PMVector ( 0.0, 0.0, 0.0 );
const PMVector defaultDiscNormal = PMVector ( 0.0, 1.0, 0.0 );
/** default disc structure */
PMViewStructure* PMDisc::s_pDefaultViewStructure = 0;
int PMDisc::s_numSteps = c_defaultDiscSteps;
int PMDisc::s_parameterKey = 0;
PMDefinePropertyClass( PMDisc, PMDiscProperty );
PMMetaObject* PMDisc::s_pMetaObject = 0;
PMObject* createNewDisc( PMPart* part )
{
return new PMDisc( part );
}
PMDisc::PMDisc( PMPart* part )
: Base( part )
{
m_center = defaultDiscCenter;
m_normal = defaultDiscNormal;
m_radius = defaultDiscRadius;
m_hradius = defaultDiscHoleRadius;
}
PMDisc::PMDisc( const PMDisc& d )
: Base( d )
{
m_center = d.m_center;
m_normal = d.m_normal;
m_radius = d.m_radius;
m_hradius = d.m_hradius;
}
PMDisc::~PMDisc( )
{
}
TQString PMDisc::description( ) const
{
return i18n( "disc" );
}
void PMDisc::serialize( TQDomElement& e, TQDomDocument& doc ) const
{
e.setAttribute( "center", m_center.serializeXML( ) );
e.setAttribute( "normal", m_normal.serializeXML( ) );
e.setAttribute( "radius", m_radius );
e.setAttribute( "hole_radius", m_hradius );
Base::serialize( e, doc );
}
void PMDisc::readAttributes( const PMXMLHelper& h )
{
m_center = h.vectorAttribute( "center", defaultDiscCenter );
m_normal = h.vectorAttribute( "normal", defaultDiscNormal );
m_radius = h.doubleAttribute( "radius", defaultDiscRadius );
m_hradius = h.doubleAttribute( "hole_radius", defaultDiscHoleRadius );
Base::readAttributes( h );
}
PMMetaObject* PMDisc::metaObject( ) const
{
if( !s_pMetaObject )
{
s_pMetaObject = new PMMetaObject( "Disc", Base::metaObject( ),
createNewDisc );
s_pMetaObject->addProperty(
new PMDiscProperty( "center", &PMDisc::setCenter, &PMDisc::center ) );
s_pMetaObject->addProperty(
new PMDiscProperty( "normal", &PMDisc::setNormal, &PMDisc::normal ) );
s_pMetaObject->addProperty(
new PMDiscProperty( "radius", &PMDisc::setRadius, &PMDisc::radius ) );
s_pMetaObject->addProperty(
new PMDiscProperty( "holeRadius", &PMDisc::setHoleRadius, &PMDisc::holeRadius ) );
}
return s_pMetaObject;
}
void PMDisc::setCenter( const PMVector& c )
{
if( c != m_center )
{
if( m_pMemento )
m_pMemento->addData( s_pMetaObject, PMCenterID, m_center );
m_center = c;
m_center.resize( 3 );
setViewStructureChanged( );
}
}
void PMDisc::setNormal( const PMVector& p )
{
if( p != m_normal )
{
if( m_pMemento )
m_pMemento->addData( s_pMetaObject, PMNormalID, m_normal );
m_normal = p;
m_normal.resize( 3 );
setViewStructureChanged( );
}
}
void PMDisc::setRadius( double radius )
{
if( m_radius != radius )
{
if( m_pMemento )
m_pMemento->addData( s_pMetaObject, PMRadiusID, m_radius );
if( radius <= m_hradius )
m_radius = m_hradius;
else
m_radius = radius;
setViewStructureChanged( );
}
}
void PMDisc::setHoleRadius( double hradius )
{
if( m_hradius != hradius )
{
if( m_pMemento )
m_pMemento->addData( s_pMetaObject, PMHRadiusID, m_hradius );
if( hradius >= m_radius )
m_hradius = m_radius;
else if( hradius <= 0.0 )
m_hradius = 0.0;
else
m_hradius = hradius;
setViewStructureChanged( );
}
}
PMDialogEditBase* PMDisc::editWidget( TQWidget* parent ) const
{
return new PMDiscEdit( parent );
}
void PMDisc::restoreMemento( PMMemento* s )
{
PMMementoDataIterator it( s );
PMMementoData* data;
for( ; it.current( ); ++it )
{
data = it.current( );
if( data->objectType( ) == s_pMetaObject )
{
switch( data->valueID( ) )
{
case PMCenterID:
setCenter( data->vectorData( ) );
break;
case PMNormalID:
setNormal( data->vectorData( ) );
break;
case PMRadiusID:
setRadius( data->doubleData( ) );
break;
case PMHRadiusID:
setHoleRadius( data->doubleData( ) );
break;
default:
kdError( PMArea ) << "Wrong ID in PMDisc::restoreMemento\n";
break;
}
}
}
Base::restoreMemento( s );
}
bool PMDisc::isDefault( )
{
if( ( m_center == defaultDiscCenter ) && ( m_normal == defaultDiscNormal )
&& ( m_radius == defaultDiscRadius ) && ( m_hradius == defaultDiscHoleRadius )
&& globalDetail( ) )
return true;
return false;
}
void PMDisc::createViewStructure( )
{
if( !m_pViewStructure )
{
m_pViewStructure = new PMViewStructure( defaultViewStructure ( ) );
m_pViewStructure->points( ).detach( );
}
int steps = (int)( ( (float)s_numSteps / 2 ) * ( displayDetail( ) + 1 ) );
unsigned size = steps * 2;
if( size != m_pViewStructure->points( ).size( ) )
{
m_pViewStructure->points( ).resize( size );
m_pViewStructure->lines( ).detach( );
m_pViewStructure->lines( ).resize( size );
createLines( m_pViewStructure->lines( ), steps );
}
createPoints( m_pViewStructure->points( ), m_center, m_normal, m_radius, m_hradius, steps );
}
PMViewStructure* PMDisc::defaultViewStructure( ) const
{
if( !s_pDefaultViewStructure || s_pDefaultViewStructure->parameterKey( ) != viewStructureParameterKey( ) )
{
delete s_pDefaultViewStructure;
s_pDefaultViewStructure = 0;
int steps = (int)( ( (float)s_numSteps / 2 ) * ( globalDetailLevel( ) + 1 ) );
s_pDefaultViewStructure = new PMViewStructure( steps * 2 , steps * 2 );
createPoints( s_pDefaultViewStructure->points( ), defaultDiscCenter, defaultDiscNormal,
defaultDiscRadius, defaultDiscHoleRadius, steps );
createLines( s_pDefaultViewStructure->lines( ), steps );
}
return s_pDefaultViewStructure;
}
void PMDisc::createLines( PMLineArray& lines, int steps )
{
int i;
for( i = 0; i < ( steps - 1) ; i++ )
{
lines[ i ] = PMLine( i, i + 1 );
lines[ i + steps ] = PMLine( i + steps, i + steps + 1 );
}
lines[ i ] = PMLine( i , 0 );
lines[i + steps] = PMLine( i + steps, steps );
}
void PMDisc::createPoints( PMPointArray& points, const PMVector& center,
const PMVector& normal, double radius , double hradius, int steps )
{
PMVector pv = normal;
double pl = pv.abs( );
if( approxZero( pl ) )
pv = PMVector( 0.0 , 1.0 , 0.0 );
else
pv /= pl;
double angle = ( 2.0 * M_PI ) / ( double ) steps;
PMMatrix rotation = PMMatrix::rotation( pv , angle );
PMVector endP = pv.orthogonal( );
for( int i = 0 ; i < steps ; i++ )
{
points[ i ] = PMPoint( ( endP * radius ) + center );
points[ i + steps ] = PMPoint( ( endP * hradius ) + center );
endP = rotation * endP;
}
}
void setVectorBase( PMVector pn , PMVector& vn , PMVector& v1, PMVector& v2 )
{
double pl = pn.abs( );
if( approxZero( pl ) )
vn = PMVector( 0.0 , 1.0 , 0.0 );
else
vn = ( pn / pl );
v1 = vn.orthogonal( );
v2 = PMVector::cross( vn, v1 );
}
void PMDisc::controlPoints( PMControlPointList & list )
{
PMVector vetN , vet1 , vet2 ;
setVectorBase( m_normal , vetN , vet1 , vet2 );
PM3DControlPoint* pb = new PM3DControlPoint( m_center, PMCenterID, i18n( "Center" ) );
list.append( pb );
PMDistanceControlPoint* d;
d = new PMDistanceControlPoint( pb , vet1, m_radius, PMRadiusID, i18n( "Radius (1)" ) );
list.append( d );
d = new PMDistanceControlPoint( pb , vet2, m_radius, PMRadiusID, i18n( "Radius (2)" ) );
list.append( d );
d = new PMDistanceControlPoint( pb , vet1, m_hradius, PMHRadiusID, i18n( "Hole Radius (1)" ) );
list.append( d );
d = new PMDistanceControlPoint( pb , vet2, m_hradius, PMHRadiusID, i18n( "Hole Radius (2)" ) );
list.append( d );
list.append( new PMVectorControlPoint( pb, m_normal, PMNormalID, i18n( "Normal" ) ) );
}
void PMDisc::controlPointsChanged( PMControlPointList & list )
{
PMControlPoint* p;
bool radius1Changed = false;
bool radius2Changed = false;
bool pointChanged = false;
PMVector pt;
for( p = list.first( ); p; p = list.next( ) )
{
if( p->changed( ) )
{
switch( p->id( ) )
{
case PMCenterID:
pt =( (PM3DControlPoint* ) p)->point( ) ;
setCenter( pt );
pointChanged = true;
break;
case PMNormalID:
setNormal( ( ( (PM3DControlPoint* ) p)->point( ) ) );
pointChanged = true;
break;
case PMRadiusID:
setRadius( ( ( PMDistanceControlPoint *) p )->distance( ) );
radius1Changed = true;
break;
case PMHRadiusID:
setHoleRadius( ( ( PMDistanceControlPoint *) p )->distance( ) );
radius2Changed = true;
break;
default:
kdError( PMArea ) << "Wrong ID in PMDisc::controlPointsChanged\n";
break;
}
}
}
if( radius1Changed )
for( p = list.first( ); p; p = list.next( ) )
if( p->id( ) == PMRadiusID )
( ( PMDistanceControlPoint *) p)->setDistance( m_radius );
if( radius2Changed )
for( p = list.first( ); p; p = list.next( ) )
if( p->id( ) == PMHRadiusID )
( ( PMDistanceControlPoint *) p)->setDistance( m_hradius );
if( pointChanged )
{
PMVector vetN, vet1, vet2;
setVectorBase( m_normal , vetN, vet1, vet2 );
bool firstPoint1 = true;
bool firstPoint2 = true;
for( p = list.first( ); p; p = list.next( ) )
{
if( p->id( ) == PMRadiusID )
{
if( firstPoint1 )
{
( ( PMDistanceControlPoint *) p)->setDirection( vet1 );
firstPoint1 = false;
}
else
( ( PMDistanceControlPoint *) p)->setDirection( vet2 );
}
if( p->id( ) == PMHRadiusID )
{
if( firstPoint2 )
{
( ( PMDistanceControlPoint *) p)->setDirection( vet1 );
firstPoint2 = false;
}
else
( ( PMDistanceControlPoint *) p)->setDirection( vet2 );
}
}
}
}
void PMDisc::setSteps( int s )
{
if( s >= 4 )
{
s_numSteps = s;
if( s_pDefaultViewStructure )
{
delete s_pDefaultViewStructure;
s_pDefaultViewStructure = 0;
}
}
else
kdDebug( PMArea ) << "PMDisc::setSteps: S must be greater than 3\n";
s_parameterKey++;
}
void PMDisc::cleanUp( ) const
{
if( s_pDefaultViewStructure )
delete s_pDefaultViewStructure;
s_pDefaultViewStructure = 0;
if( s_pMetaObject )
{
delete s_pMetaObject;
s_pMetaObject = 0;
}
Base::cleanUp( );
}