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, 411 insertions, 0 deletions

diff --git a/kpovmodeler/pmsphere.cpp b/kpovmodeler/pmsphere.cpp
new file mode 100644
index 00000000..698b5352
--- /dev/null
+++ b/kpovmodeler/pmsphere.cpp
@@ -0,0 +1,411 @@
+/*
+**************************************************************************
+                          pmsphere.cpp  -  description
+                             -------------------
+    copyright            : (C) 2001 by Philippe Van Hecke
+    email                : [email protected]
+    copyright            : (C) 2001-2002 by Andreas Zehender
+    email                : [email protected]
+**************************************************************************
+
+**************************************************************************
+*                                                                        *
+*  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 "pmsphere.h"
+
+#include "pmxmlhelper.h"
+#include "pmsphereedit.h"
+#include "pmmemento.h"
+#include "pm3dcontrolpoint.h"
+#include "pmdistancecontrolpoint.h"
+#include "pmdefaults.h"
+
+#include <klocale.h>
+
+/** default param for the sphere */
+const double c_defaultRadius = 0.5;
+const PMVector c_defaultCentre = PMVector( 0, 0, 0 );
+
+/** default sphere structure */
+PMViewStructure* PMSphere::s_pDefaultViewStructure = 0;
+
+int PMSphere::s_vStep = c_defaultSphereVSteps;
+int PMSphere::s_uStep = c_defaultSphereUSteps;
+int PMSphere::s_parameterKey = 0;
+
+PMDefinePropertyClass( PMSphere, PMSphereProperty );
+
+PMMetaObject* PMSphere::s_pMetaObject = 0;
+PMObject* createNewSphere( PMPart* part )
+{
+   return new PMSphere( part );
+}
+
+PMSphere::PMSphere( PMPart* part )
+      : Base( part )
+{
+   m_radius = c_defaultRadius;
+   m_centre = c_defaultCentre;
+}
+
+PMSphere::PMSphere( const PMSphere& s )
+      : Base( s )
+{
+   m_radius = s.m_radius;
+   m_centre = s.m_centre;
+}
+
+PMSphere::~PMSphere( )
+{
+}
+
+
+QString PMSphere::description( ) const
+{
+   return i18n( "sphere" );
+}
+
+PMMetaObject* PMSphere::metaObject( ) const
+{
+   if( !s_pMetaObject )
+   {
+      s_pMetaObject = new PMMetaObject( "Sphere", Base::metaObject( ),
+                                        createNewSphere );
+      s_pMetaObject->addProperty(
+         new PMSphereProperty( "radius", &PMSphere::setRadius, &PMSphere::radius ) );
+      s_pMetaObject->addProperty(
+         new PMSphereProperty( "center", &PMSphere::setCentre, &PMSphere::centre ) );
+   }
+   return s_pMetaObject;
+}
+
+void PMSphere::serialize( QDomElement& e, QDomDocument& doc ) const
+{
+   e.setAttribute( "centre", m_centre.serializeXML( ) );
+   e.setAttribute( "radius", m_radius );
+   Base::serialize( e, doc );
+}
+
+void PMSphere::readAttributes( const PMXMLHelper& h )
+{
+   m_centre = h.vectorAttribute( "centre", c_defaultCentre );
+   m_radius = h.doubleAttribute( "radius", c_defaultRadius );
+   Base::readAttributes( h );
+}
+
+PMDialogEditBase* PMSphere::editWidget( QWidget* parent ) const
+{
+
+ return new PMSphereEdit( parent );
+}
+
+void PMSphere::restoreMemento( PMMemento* s )
+{
+   PMMementoDataIterator it( s );
+   PMMementoData* data;
+
+   for( ; it.current( ); ++it )
+   {
+      data = it.current( );
+      if( data->objectType( ) == s_pMetaObject )
+      {
+         switch( data->valueID( ) )
+         {
+            case PMRadiusID:
+               setRadius( data->doubleData( ) );
+               break;
+            case PMCentreID:
+               setCentre( data->vectorData( ) );
+               break;
+            default:
+               kdError( PMArea ) << "Wrong ID in PSphere::restoreMemento\n";
+               break;
+         }
+      }
+   }
+   Base::restoreMemento( s );
+
+}
+
+void PMSphere::controlPoints( PMControlPointList& list )
+{
+   PM3DControlPoint* p = new PM3DControlPoint( m_centre, PMCentreID,
+                                               i18n( "Center" ) );
+   list.append( p );
+   list.append( new PMDistanceControlPoint( p, PMVector( 1.0, 0.0, 0.0 ),
+                                            m_radius, PMRadiusID,
+                                            i18n( "Radius (x)" ) ) );
+   list.append( new PMDistanceControlPoint( p, PMVector( 0.0, 1.0, 0.0 ),
+                                            m_radius, PMRadiusID,
+                                            i18n( "Radius (y)" ) ) );
+   list.append( new PMDistanceControlPoint( p, PMVector( 0.0, 0.0, 1.0 ),
+                                            m_radius, PMRadiusID,
+                                            i18n( "Radius (z)" ) ) );
+}
+
+void PMSphere::controlPointsChanged( PMControlPointList& list )
+{
+   PMControlPoint* p;
+   bool radiusChanged = false;
+
+   for( p = list.first( ); p; p = list.next( ) )
+   {
+      if( p->changed( ) )
+      {
+         switch( p->id( ) )
+         {
+            case PMCentreID:
+               setCentre( ( ( PM3DControlPoint* ) p )->point( ) );
+               break;
+            case PMRadiusID:
+               setRadius( ( ( PMDistanceControlPoint* ) p )->distance( ) );
+               radiusChanged = true;
+               break;
+            default:
+               kdError( PMArea ) << "Wrong ID in PMSphere::controlPointsChanged\n";
+               break;
+         }
+      }
+   }
+
+   if( radiusChanged )
+      for( p = list.first( ); p; p = list.next( ) )
+         if( p->id( ) == PMRadiusID )
+            ( ( PMDistanceControlPoint* ) p )->setDistance( m_radius );
+}
+
+bool PMSphere::isDefault( )
+{
+   if( ( m_radius == c_defaultRadius ) && ( m_centre == c_defaultCentre ) && globalDetail( ) )
+      return true;
+   return false;
+}
+
+void PMSphere::createViewStructure( )
+{
+   if( !m_pViewStructure )
+   {
+      m_pViewStructure = new PMViewStructure( defaultViewStructure( ) );
+      m_pViewStructure->points( ).detach( );
+   }
+
+   int uStep = (int)( ( (float)s_uStep / 2 ) * ( displayDetail( ) + 1 ) );
+   int vStep = (int)( ( (float)s_vStep / 2 ) * ( displayDetail( ) + 1 ) );
+   unsigned ptsSize = vStep * ( uStep - 1 ) + 2;
+   unsigned lineSize = vStep * ( uStep - 1 ) * 2 + vStep;
+   unsigned faceSize = vStep * uStep;
+
+   if( ptsSize != m_pViewStructure->points( ).size( ) )
+      m_pViewStructure->points( ).resize( ptsSize );
+
+   createPoints( m_pViewStructure->points( ), m_centre, m_radius, uStep, vStep );
+
+   if( lineSize != m_pViewStructure->lines( ).size( ) )
+   {
+      m_pViewStructure->lines( ).detach( );
+      m_pViewStructure->lines( ).resize( lineSize );
+      createLines( m_pViewStructure->lines( ), uStep, vStep );
+   }
+
+   if( faceSize != m_pViewStructure->faces( ).size( ) )
+   {
+      m_pViewStructure->faces( ).resize( faceSize );
+      createFaces( m_pViewStructure->faces( ), uStep, vStep );
+   }
+}
+
+PMViewStructure* PMSphere::defaultViewStructure( ) const
+{
+   if( !s_pDefaultViewStructure || s_pDefaultViewStructure->parameterKey( ) != viewStructureParameterKey( ) )
+   {
+      delete s_pDefaultViewStructure;
+      s_pDefaultViewStructure = 0;
+      int uStep = (int)( ( (float)s_uStep / 2 ) * ( globalDetailLevel( ) + 1 ) );
+      int vStep = (int)( ( (float)s_vStep / 2 ) * ( globalDetailLevel( ) + 1 ) );
+
+      s_pDefaultViewStructure =
+         new PMViewStructure( vStep * ( uStep - 1 ) + 2,
+                              vStep * ( uStep - 1 ) * 2 + vStep,
+                              vStep * uStep );
+
+      // points
+      createPoints( s_pDefaultViewStructure->points( ), c_defaultCentre,
+                    c_defaultRadius, uStep, vStep );
+      //lines
+      createLines( s_pDefaultViewStructure->lines( ), uStep, vStep );
+
+      //faces
+      createFaces( s_pDefaultViewStructure->faces( ), uStep, vStep );
+   }
+
+   return s_pDefaultViewStructure;
+}
+
+void PMSphere::createFaces( PMFaceArray& faces, int uStep, int vStep )
+{
+   int u, v, offsetPt1, offsetPt2, offsetFace;
+
+   offsetPt1 = vStep * ( uStep - 1 ) + 1;
+   offsetPt2 = vStep * ( uStep - 2 ) + 1;
+   offsetFace = vStep * ( uStep - 1 );
+   for( v = 0; v < vStep - 1; ++v )
+   {
+      faces[v] = PMFace( 0, v + 2, v + 1 );
+      faces[ offsetFace + v ] = PMFace( offsetPt1, v + offsetPt2, v + offsetPt2 + 1 );
+   }
+
+   faces[ vStep - 1 ] = PMFace( 0, 1, vStep );
+   faces[ offsetFace + vStep - 1 ] = PMFace( offsetPt1, vStep + offsetPt2 - 1, offsetPt2 );
+
+   offsetFace = vStep;
+   for( u = 0; u < ( uStep - 2 ); ++u )
+   {
+      offsetPt1 = ( u * vStep ) + 1;
+      offsetPt2 = ( ( u + 1 ) * vStep ) + 1;
+      for( v = 0; v < ( vStep - 1 ); ++v )
+         faces[ offsetFace + v ] = PMFace( v + offsetPt1, v + offsetPt1 + 1, v + offsetPt2 + 1, v + offsetPt2 );
+      faces[ offsetFace + vStep - 1 ] = PMFace( offsetPt1 + vStep - 1, offsetPt1, offsetPt2, offsetPt2 + vStep - 1 );
+      offsetFace += vStep;
+   }
+}
+
+void PMSphere::createLines( PMLineArray& lines, int uStep, int vStep )
+{
+   int u, v;
+   int offset = 0;
+
+      // horizontal lines
+   for( u = 0; u < ( uStep - 1 ); u++ )
+   {
+      for( v = 0; v < ( vStep - 1 ); v++ )
+         lines[offset + v] =
+               PMLine( u * vStep + v + 1, u * vStep + v + 2 );
+      lines[offset + vStep - 1] =
+            PMLine( u * vStep + 1, u * vStep + vStep );
+
+      offset += vStep;
+   }
+
+   // vertical lines
+   // lines at the "north pole"
+   for( v = 0; v < vStep; v++ )
+      lines[offset + v] = PMLine( 0, v + 1 );
+   offset += vStep;
+
+   for( v = 0; v < vStep; v++ )
+   {
+      for( u = 0; u < ( uStep - 2 ); u++ )
+      {
+         lines[offset + u] =
+               PMLine( u * vStep + v + 1, ( u + 1 ) * vStep + v + 1 );
+      }
+      offset += ( uStep - 2 );
+   }
+   // lines at the "south pole"
+   for( v = 0; v < vStep; v++ )
+      lines[offset + v] = PMLine( ( uStep - 2 ) * vStep + v + 1,
+                                    ( uStep - 1 ) * vStep + 1 );
+   // offset += s_vStep;
+}
+
+void PMSphere::createPoints( PMPointArray& points, const PMVector& centre, double radius,
+                             int uStep, int vStep )
+{
+   double l_UradStep = M_PI / uStep;
+   double l_VradStep = ( 2.0 * M_PI ) / vStep;
+   double l_u = l_UradStep;
+   int u, v;
+
+   points[0] = PMPoint( centre + PMVector( 0, radius, 0 ) );
+   points[ vStep * ( uStep - 1 ) + 1] = PMPoint( centre - PMVector( 0, radius, 0 ) );
+
+   for( u = 0; u < ( uStep - 1 ); u++ )
+   {
+      double l_v = 0.0;
+      double l_rcosu = radius * sin( l_u );
+      double y = ( radius * cos( l_u ) ) + centre[1];
+      for( v = 0; v < vStep ; v++ )
+      {
+
+         double x = ( l_rcosu * cos( l_v ) ) + centre[0];
+         double z = ( l_rcosu * sin( l_v ) ) + centre[2];
+
+         points[u * vStep + v + 1] = PMPoint( x, y, z );
+         l_v = l_v + l_VradStep;
+      }
+      l_u = l_u + l_UradStep;
+   }
+}
+
+void PMSphere::setRadius( double radius )
+{
+   if( m_radius != radius )
+   {
+      if( m_pMemento )
+         m_pMemento->addData( s_pMetaObject, PMRadiusID, m_radius );
+      m_radius = radius;
+      setViewStructureChanged( );
+   }
+}
+
+void PMSphere::setCentre( const PMVector& centre )
+{
+   if( m_centre != centre )
+   {
+      if( m_pMemento )
+         m_pMemento->addData( s_pMetaObject, PMCentreID, m_centre );
+      m_centre = centre;
+      setViewStructureChanged( );
+   }
+}
+
+void PMSphere::setUSteps( int u )
+{
+   if( u >= 2 )
+   {
+      s_uStep = u;
+      if( s_pDefaultViewStructure )
+      {
+         delete s_pDefaultViewStructure;
+         s_pDefaultViewStructure = 0;
+      }
+   }
+   else
+      kdDebug( PMArea ) << "PMSPhere::setUSteps: U must be greater than 1\n";
+   s_parameterKey++;
+}
+
+void PMSphere::setVSteps( int v )
+{
+   if( v >= 4 )
+   {
+      s_vStep = v;
+      if( s_pDefaultViewStructure )
+      {
+         delete s_pDefaultViewStructure;
+         s_pDefaultViewStructure = 0;
+      }
+   }
+   else
+      kdDebug( PMArea ) << "PMSphere::setVSteps: V must be greater than 3\n";
+   s_parameterKey++;
+}
+
+void PMSphere::cleanUp( ) const
+{
+   if( s_pDefaultViewStructure )
+      delete s_pDefaultViewStructure;
+   s_pDefaultViewStructure = 0;
+   if( s_pMetaObject )
+   {
+      delete s_pMetaObject;
+      s_pMetaObject = 0;
+   }
+   Base::cleanUp( );
+}