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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/pmsphere.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
Diffstat (limited to 'kpovmodeler/pmsphere.cpp')
-rw-r--r--kpovmodeler/pmsphere.cpp411
1 files changed, 411 insertions, 0 deletions
diff --git a/kpovmodeler/pmsphere.cpp b/kpovmodeler/pmsphere.cpp
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+/*
+**************************************************************************
+ pmsphere.cpp - description
+ -------------------
+ copyright : (C) 2001 by Philippe Van Hecke
+ email : lephiloux@tiscalinet.be
+ copyright : (C) 2001-2002 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 "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( );
+}