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, 407 insertions, 0 deletions

diff --git a/kpovmodeler/pmcylinder.cpp b/kpovmodeler/pmcylinder.cpp
new file mode 100644
index 00000000..1a119004
--- /dev/null
+++ b/kpovmodeler/pmcylinder.cpp
@@ -0,0 +1,407 @@
+/*
+**************************************************************************
+                                 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( );
+}