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, 276 insertions, 0 deletions

diff --git a/kpovmodeler/pmplane.cpp b/kpovmodeler/pmplane.cpp
new file mode 100644
index 00000000..171df53f
--- /dev/null
+++ b/kpovmodeler/pmplane.cpp
@@ -0,0 +1,276 @@
+/*
+**************************************************************************
+                                 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( )
+{
+}
+
+QString PMPlane::description( ) const
+{
+   return i18n( "plane" );
+}
+
+void PMPlane::serialize( QDomElement& e, QDomDocument& 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::metaObject( ) const
+{
+   if( !s_pMetaObject )
+   {
+      s_pMetaObject = new PMMetaObject( "Plane", Base::metaObject( ),
+                                        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( QWidget* 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( );
+}