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tdegraphics/kpovmodeler/pmplane.cpp

277 lines
7.2 KiB

/*
**************************************************************************
description
--------------------
copyright : (C) 2000-2001 by Leonardo Skorianez
email : lsk@if.ufrj.br
**************************************************************************
**************************************************************************
* *
* 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 "pmplane.h"
#include "pmxmlhelper.h"
#include "pmboxedit.h"
#include "pmmemento.h"
#include "pmdistancecontrolpoint.h"
#include "pmplanenormalcontrolpoint.h"
#include "pmdefaults.h"
#include <klocale.h>
#include "pmplaneedit.h"
const double defaultPlaneDistance = 0;
const PMVector defaultPlaneNormal = PMVector ( 0.0, 1.0, 0.0 );
/** default plane structure */
PMViewStructure* PMPlane::s_pDefaultViewStructure = 0;
double PMPlane::s_planeSize = c_defaultPlaneSize;
int PMPlane::s_parameterKey = 0;
PMDefinePropertyClass( PMPlane, PMPlaneProperty );
PMMetaObject* PMPlane::s_pMetaObject = 0;
PMObject* createNewPlane( PMPart* part )
{
return new PMPlane( part );
}
PMPlane::PMPlane( PMPart* part )
: Base( part )
{
m_normal = defaultPlaneNormal;
m_distance = defaultPlaneDistance;
}
PMPlane::PMPlane( const PMPlane& p )
: Base( p )
{
m_normal = p.m_normal;
m_distance = p.m_distance;
}
PMPlane::~PMPlane( )
{
}
TQString PMPlane::description( ) const
{
return i18n( "plane" );
}
void PMPlane::serialize( TQDomElement& e, TQDomDocument& doc ) const
{
e.setAttribute( "normal", m_normal.serializeXML( ) );
e.setAttribute( "distance", m_distance );
Base::serialize( e, doc );
}
void PMPlane::readAttributes( const PMXMLHelper& h )
{
m_normal = h.vectorAttribute( "normal", defaultPlaneNormal );
m_distance = h.doubleAttribute( "distance", defaultPlaneDistance );
Base::readAttributes( h );
}
PMMetaObject* PMPlane::tqmetaObject( ) const
{
if( !s_pMetaObject )
{
s_pMetaObject = new PMMetaObject( "Plane", Base::tqmetaObject( ),
createNewPlane );
s_pMetaObject->addProperty(
new PMPlaneProperty( "normal", &PMPlane::setNormal, &PMPlane::normal ) );
s_pMetaObject->addProperty(
new PMPlaneProperty( "distance", &PMPlane::setDistance, &PMPlane::distance ) );
}
return s_pMetaObject;
}
void PMPlane::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 PMPlane::setDistance( double distance )
{
if( m_distance != distance )
{
if( m_pMemento )
{
m_pMemento->addData( s_pMetaObject, PMDistanceID, m_distance );
}
m_distance = distance;
setViewStructureChanged( );
}
}
PMDialogEditBase* PMPlane::editWidget( TQWidget* parent ) const
{
return new PMPlaneEdit( parent );
}
void PMPlane::restoreMemento( PMMemento* s )
{
PMMementoDataIterator it( s );
PMMementoData* data;
for( ; it.current( ); ++it )
{
data = it.current( );
if( data->objectType( ) == s_pMetaObject )
{
switch( data->valueID( ) )
{
case PMNormalID:
setNormal( data->vectorData( ) );
break;
case PMDistanceID:
setDistance( data->doubleData( ) );
break;
default:
kdError( PMArea ) << "Wrong ID in PMPlane::restoreMemento\n";
break;
}
}
}
Base::restoreMemento( s );
}
bool PMPlane::isDefault( )
{
if( ( m_normal == defaultPlaneNormal ) && ( m_distance == defaultPlaneDistance ) )
return true;
return false;
}
void PMPlane::createViewStructure( )
{
if( !m_pViewStructure )
{
m_pViewStructure = new PMViewStructure( defaultViewStructure ( ) );
m_pViewStructure->points( ).detach( );
}
createPoints( m_pViewStructure->points( ), m_normal, m_distance );
}
PMViewStructure* PMPlane::defaultViewStructure( ) const
{
if( !s_pDefaultViewStructure )
{
s_pDefaultViewStructure = new PMViewStructure( 4, 4 );
PMLineArray& lines = s_pDefaultViewStructure->lines( );
createPoints( s_pDefaultViewStructure->points( ), defaultPlaneNormal,defaultPlaneDistance );
lines[0] = PMLine( 0 , 1 );
lines[1] = PMLine( 1 , 2 );
lines[2] = PMLine( 2 , 3 );
lines[3] = PMLine( 3 , 0 );
}
return s_pDefaultViewStructure;
}
void PMPlane::createPoints( PMPointArray& points, const PMVector& normal, double distance )
{
PMVector dir = normal;
if( approxZero( dir.abs( ) ) )
dir = PMVector( 0.0, 1.0, 0.0 );
PMVector base = dir * distance;
PMMatrix rotation = PMMatrix::rotation( dir, M_PI / 4.0 );
PMVector endPoint1 = rotation * dir.orthogonal( ) * s_planeSize * sqrt( 2.0 ) * 0.5;
PMVector endPoint2 = rotation * ( rotation * endPoint1 );
points[0] = base + endPoint1;
points[1] = base + endPoint2;
points[2] = base - endPoint1;
points[3] = base - endPoint2;
}
void PMPlane::controlPoints( PMControlPointList & list )
{
PMDistanceControlPoint* d;
d = new PMDistanceControlPoint( PMVector( 0, 0, 0 ), m_normal, m_distance,
PMDistanceID, i18n( "Distance" ) );
list.append( new PMPlaneNormalControlPoint( d, m_normal, PMNormalID,
i18n( "Normal" ) ) );
list.append( d );
}
void PMPlane::controlPointsChanged( PMControlPointList & list )
{
PMControlPoint* p;
for( p = list.first( ); p; p = list.next( ) )
{
if( p->changed( ) )
{
switch( p->id( ) )
{
case PMNormalID:
setNormal( ( ( PMPlaneNormalControlPoint *) p)->normal( ) );
setDistance( ( ( PMPlaneNormalControlPoint *) p)->distance( ) );
break;
case PMDistanceID:
setDistance( ( ( PMDistanceControlPoint *) p )->distance( ) );
break;
default:
kdError( PMArea ) << "Wrong ID in PMPlane::controlPointsChanged\n";
break;
}
}
}
}
void PMPlane::setPlaneSize( double size )
{
if( size >= 0.1 )
{
s_planeSize = size;
if( s_pDefaultViewStructure )
{
delete s_pDefaultViewStructure;
s_pDefaultViewStructure = 0;
}
}
else
kdDebug( PMArea ) << "PMPlane::setPlaneSize: Size must be greater than 0.1\n";
s_parameterKey++;
}
void PMPlane::cleanUp( ) const
{
if( s_pDefaultViewStructure )
delete s_pDefaultViewStructure;
s_pDefaultViewStructure = 0;
if( s_pMetaObject )
{
delete s_pMetaObject;
s_pMetaObject = 0;
}
Base::cleanUp( );
}