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

1 files changed, 440 insertions, 0 deletions

diff --git a/kpovmodeler/pmdisc.cpp b/kpovmodeler/pmdisc.cpp
new file mode 100644
index 00000000..d276e541
--- /dev/null
+++ b/kpovmodeler/pmdisc.cpp
@@ -0,0 +1,440 @@
+/*
+**************************************************************************
+                                 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( )
+{
+}
+
+QString PMDisc::description( ) const
+{
+   return i18n( "disc" );
+}
+
+void PMDisc::serialize( QDomElement& e, QDomDocument& 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( QWidget* 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( );
+}