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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit47d455dd55be855e4cc691c32f687f723d9247ee (patch)
tree52e236aaa2576bdb3840ebede26619692fed6d7d /kpovmodeler/pmcylinder.cpp
downloadtdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.tar.gz
tdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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diff --git a/kpovmodeler/pmcylinder.cpp b/kpovmodeler/pmcylinder.cpp
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+/*
+**************************************************************************
+ 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 "pmcylinder.h"
+
+#include "pmxmlhelper.h"
+#include "pmboxedit.h"
+#include "pmmemento.h"
+#include "pm3dcontrolpoint.h"
+#include "pmdefaults.h"
+
+#include <klocale.h>
+
+#include "pmdistancecontrolpoint.h"
+
+#include "pmcylinderedit.h"
+
+const double defaultCylRadius = 0.5;
+const double defaultHalfCylSize = 0.5;
+const PMVector defaultEnd1 = PMVector ( 0, defaultHalfCylSize, 0 );
+const PMVector defaultEnd2 = PMVector ( 0, -defaultHalfCylSize, 0 );
+const bool defaultOpen = false;
+
+/** default cylinder structure */
+PMViewStructure* PMCylinder::s_pDefaultViewStructure = 0;
+int PMCylinder::s_numSteps = c_defaultCylinderSteps;
+int PMCylinder::s_parameterKey = 0;
+
+PMDefinePropertyClass( PMCylinder, PMCylinderProperty );
+
+PMMetaObject* PMCylinder::s_pMetaObject = 0;
+PMObject* createNewCylinder( PMPart* part )
+{
+ return new PMCylinder( part );
+}
+
+
+PMCylinder::PMCylinder( PMPart* part )
+ : Base( part )
+{
+ m_end1 = defaultEnd1;
+ m_end2 = defaultEnd2;
+ m_radius = defaultCylRadius;
+ m_open = defaultOpen;
+}
+
+PMCylinder::PMCylinder( const PMCylinder& c )
+ : Base( c )
+{
+ m_end1 = c.m_end1;
+ m_end2 = c.m_end2;
+ m_radius = c.m_radius;
+ m_open = c.m_open;
+}
+
+PMCylinder::~PMCylinder( )
+{
+}
+
+QString PMCylinder::description( ) const
+{
+ return i18n( "cylinder" );
+}
+
+void PMCylinder::serialize( QDomElement& e, QDomDocument& doc ) const
+{
+ e.setAttribute( "end_a", m_end1.serializeXML( ) );
+ e.setAttribute( "end_b", m_end2.serializeXML( ) );
+ e.setAttribute( "radius", m_radius );
+ e.setAttribute( "open", m_open );
+ Base::serialize( e, doc );
+}
+
+void PMCylinder::readAttributes( const PMXMLHelper& h )
+{
+ m_end1 = h.vectorAttribute( "end_a", defaultEnd1 );
+ m_end2 = h.vectorAttribute( "end_b", defaultEnd2 );
+ m_radius = h.doubleAttribute( "radius", defaultCylRadius );
+ m_open = h.boolAttribute( "open", defaultOpen );
+ Base::readAttributes( h );
+}
+
+PMMetaObject* PMCylinder::metaObject( ) const
+{
+ if( !s_pMetaObject )
+ {
+ s_pMetaObject = new PMMetaObject( "Cylinder", Base::metaObject( ),
+ createNewCylinder );
+ s_pMetaObject->addProperty(
+ new PMCylinderProperty( "end1", &PMCylinder::setEnd1, &PMCylinder::end1 ) );
+ s_pMetaObject->addProperty(
+ new PMCylinderProperty( "end2", &PMCylinder::setEnd2, &PMCylinder::end2 ) );
+ s_pMetaObject->addProperty(
+ new PMCylinderProperty( "radius", &PMCylinder::setRadius, &PMCylinder::radius ) );
+ s_pMetaObject->addProperty(
+ new PMCylinderProperty( "open", &PMCylinder::setOpen, &PMCylinder::open ) );
+ }
+ return s_pMetaObject;
+}
+
+void PMCylinder::setEnd1( const PMVector& p )
+{
+ if( p != m_end1 )
+ {
+ if( m_pMemento )
+ m_pMemento->addData( s_pMetaObject, PMEnd1ID, m_end1 );
+ m_end1 = p;
+ m_end1.resize( 3 );
+ setViewStructureChanged( );
+ }
+}
+
+void PMCylinder::setEnd2( const PMVector& p )
+{
+ if( p != m_end2 )
+ {
+ if( m_pMemento )
+ m_pMemento->addData( s_pMetaObject, PMEnd2ID, m_end2 );
+ m_end2 = p;
+ m_end2.resize( 3 );
+ setViewStructureChanged( );
+ }
+}
+
+void PMCylinder::setRadius( double radius )
+{
+ if( m_radius != radius )
+ {
+ if( m_pMemento )
+ m_pMemento->addData( s_pMetaObject, PMRadiusID, m_radius );
+ m_radius = radius;
+ setViewStructureChanged( );
+ }
+}
+
+void PMCylinder::setOpen( bool op )
+{
+ if( op != m_open )
+ {
+ if( m_pMemento )
+ m_pMemento->addData( s_pMetaObject, PMOpenID, m_open );
+ m_open = op;
+ }
+}
+
+PMDialogEditBase* PMCylinder::editWidget( QWidget* parent ) const
+{
+ return new PMCylinderEdit( parent );
+}
+
+void PMCylinder::restoreMemento( PMMemento* s )
+{
+ PMMementoDataIterator it( s );
+ PMMementoData* data;
+
+ for( ; it.current( ); ++it )
+ {
+ data = it.current( );
+ if( data->objectType( ) == s_pMetaObject )
+ {
+ switch( data->valueID( ) )
+ {
+ case PMEnd1ID:
+ setEnd1( data->vectorData( ) );
+ break;
+ case PMEnd2ID:
+ setEnd2( data->vectorData( ) );
+ break;
+ case PMRadiusID:
+ setRadius( data->doubleData( ) );
+ break;
+ case PMOpenID:
+ setOpen( data->boolData( ) );
+ break;
+ default:
+ kdError( PMArea ) << "Wrong ID in PMCylinder::restoreMemento\n";
+ break;
+ }
+ }
+ }
+ Base::restoreMemento( s );
+}
+
+bool PMCylinder::isDefault( )
+{
+ if( ( m_end1 == defaultEnd1 ) && ( m_end2 == defaultEnd2 )
+ && ( m_radius == defaultCylRadius ) && ( m_open == defaultOpen )
+ && globalDetail( ) )
+ return true;
+ return false;
+}
+
+void PMCylinder::createViewStructure( )
+{
+ if( !m_pViewStructure )
+ {
+ m_pViewStructure = new PMViewStructure( defaultViewStructure ( ) );
+ m_pViewStructure->points( ).detach( );
+ }
+
+ int steps = (int)( ( (float)s_numSteps / 2 ) * ( displayDetail( ) + 1 ) );
+ unsigned ptsSize = steps * 2;
+ unsigned lineSize = steps * 3;
+
+ if( ptsSize != m_pViewStructure->points( ).size( ) )
+ m_pViewStructure->points( ).resize( ptsSize );
+
+ createPoints( m_pViewStructure->points( ), m_end1, m_end2, m_radius, steps );
+
+ if( ( lineSize ) != m_pViewStructure->lines( ).size( ) )
+ {
+ m_pViewStructure->lines( ).detach( );
+ m_pViewStructure->lines( ).resize( lineSize );
+ createLines( m_pViewStructure->lines( ), steps );
+ }
+}
+
+PMViewStructure* PMCylinder::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 * 3 );
+
+ createPoints( s_pDefaultViewStructure->points( ), defaultEnd1,
+ defaultEnd2, defaultCylRadius, steps );
+
+ createLines( s_pDefaultViewStructure->lines( ), steps );
+ }
+ return s_pDefaultViewStructure;
+}
+
+void PMCylinder::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[steps - 1] = PMLine( steps - 1, 0 );
+ lines[steps * 2 - 1] = PMLine( steps * 2 - 1, steps );
+
+ for( i = 0; i < steps; i++ )
+ {
+ lines[i + 2 * steps] = PMLine( i, i + steps );
+ }
+}
+
+void PMCylinder::createPoints( PMPointArray& points, const PMVector& end1,
+ const PMVector& end2, double radius, int steps )
+{
+ double angle = ( 2.0 * M_PI ) / ( double ) steps;
+
+ PMVector pointAt = end2 - end1;
+ double pl = pointAt.abs( );
+ if( approxZero( pl ) )
+ pointAt = PMVector( 0.0, 0.0, 1.0 );
+ else
+ pointAt /= pl;
+
+ PMMatrix rotation = PMMatrix::rotation( pointAt, angle );
+ PMVector endPoint = pointAt.orthogonal( );
+ endPoint *= radius;
+
+ int i;
+ for( i = 0; i < steps; i++ )
+ {
+ points[i] = PMPoint( endPoint + end1 );
+ points[i + steps] = PMPoint( endPoint + end2 );
+ endPoint = rotation * endPoint;
+ }
+}
+
+void PMCylinder::controlPoints( PMControlPointList & list )
+{
+ PMVector center, angle1, angle2;
+ center = m_end1 - m_end2;
+ double pl = center.abs( );
+ if( approxZero( pl ) )
+ center = PMVector( 0.0, 1.0, 0.0 );
+ else
+ center /= pl;
+
+ angle1 = center.orthogonal( );
+ angle2 = PMVector::cross( center, angle1 );
+
+ PM3DControlPoint* pb = new PM3DControlPoint( m_end1, PMEnd1ID, i18n( "End 1" ) );
+ list.append( pb );
+ list.append( new PM3DControlPoint( m_end2, PMEnd2ID, i18n( "End 2" ) ) );
+ list.append( new PMDistanceControlPoint( pb, angle1, m_radius, PMRadiusID, i18n( "Radius (1)" ) ) );
+ list.append( new PMDistanceControlPoint( pb, angle2, m_radius, PMRadiusID, i18n( "Radius (2)" ) ) );
+}
+
+
+void PMCylinder::controlPointsChanged( PMControlPointList & list )
+{
+ PMControlPoint* p;
+ bool pointChanged = false;
+ bool radiusChanged = false;
+
+ for( p = list.first( ); p; p = list.next( ) )
+ {
+ if( p->changed( ) )
+ {
+ switch( p->id( ) )
+ {
+ case PMEnd1ID:
+ setEnd1( ( ( PM3DControlPoint *) p)->point( ) );
+ pointChanged = true;
+ break;
+ case PMEnd2ID:
+ setEnd2( ( ( PM3DControlPoint *) p)->point( ) );
+ pointChanged = true;
+ break;
+ case PMRadiusID:
+ setRadius( ( ( PMDistanceControlPoint *) p)->distance( ) );
+ radiusChanged = true;
+ break;
+ default:
+ kdError( PMArea ) << "Wrong ID in PMCylinder::controlPointsChanged\n";
+ break;
+ }
+ }
+ }
+
+ if( pointChanged )
+ {
+ PMVector center, angle1, angle2;
+ bool firstPoint = true;
+
+ center = m_end1 - m_end2;
+ double pl = center.abs( );
+ if( approxZero( pl ) )
+ center = PMVector( 0.0, 1.0, 0.0 );
+ else
+ center /= pl;
+
+ angle1 = center.orthogonal( );
+ angle2 = PMVector::cross( center, angle1 );
+
+ for( p = list.first( ); p; p = list.next( ) )
+ if( p->id( ) == PMRadiusID )
+ {
+ if( firstPoint )
+ {
+ ( ( PMDistanceControlPoint *) p)->setDirection( angle1 );
+ firstPoint = false;
+ }
+ else
+ ( ( PMDistanceControlPoint *) p)->setDirection( angle2 );
+ }
+ }
+
+ if( radiusChanged )
+ for( p = list.first( ); p; p = list.next( ) )
+ if( p->id( ) == PMRadiusID )
+ ( ( PMDistanceControlPoint *) p)->setDistance( m_radius );
+}
+
+void PMCylinder::setSteps( int s )
+{
+ if( s >= 4 )
+ {
+ s_numSteps = s;
+ if( s_pDefaultViewStructure )
+ {
+ delete s_pDefaultViewStructure;
+ s_pDefaultViewStructure = 0;
+ }
+ }
+ else
+ kdDebug( PMArea ) << "PMCylinder::setSteps: S must be greater than 3\n";
+ s_parameterKey++;
+}
+
+void PMCylinder::cleanUp( ) const
+{
+ if( s_pDefaultViewStructure )
+ delete s_pDefaultViewStructure;
+ s_pDefaultViewStructure = 0;
+ if( s_pMetaObject )
+ {
+ delete s_pMetaObject;
+ s_pMetaObject = 0;
+ }
+ Base::cleanUp( );
+}