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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/pmblobcylinder.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/pmblobcylinder.cpp')
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diff --git a/kpovmodeler/pmblobcylinder.cpp b/kpovmodeler/pmblobcylinder.cpp
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+/*
+**************************************************************************
+ description
+ --------------------
+ 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 "pmblobcylinder.h"
+
+#include "pmxmlhelper.h"
+#include "pmboxedit.h"
+#include "pmmemento.h"
+#include "pm3dcontrolpoint.h"
+#include "pmdefaults.h"
+#include "pmdistancecontrolpoint.h"
+#include "pmblobcylinderedit.h"
+
+#include <klocale.h>
+
+PMDefinePropertyClass( PMBlobCylinder, PMBlobCylinderProperty );
+
+PMMetaObject* PMBlobCylinder::s_pMetaObject = 0;
+PMObject* createNewBlobCylinder( PMPart* part )
+{
+ return new PMBlobCylinder( part );
+}
+
+const double c_defaultRadius = 0.5;
+const PMVector c_defaultEnd1 = PMVector ( 0, 0.5, 0 );
+const PMVector c_defaultEnd2 = PMVector ( 0, -0.5, 0 );
+const double c_defaultStrength = 1.0;
+
+/** default cylinder structure */
+PMViewStructure* PMBlobCylinder::s_pDefaultViewStructure = 0;
+int PMBlobCylinder::s_vStep = c_defaultBlobCylinderVSteps;
+int PMBlobCylinder::s_uStep = c_defaultBlobCylinderUSteps;
+int PMBlobCylinder::s_parameterKey = 0;
+
+
+PMBlobCylinder::PMBlobCylinder( PMPart* part )
+ : Base( part )
+{
+ m_end1 = c_defaultEnd1;
+ m_end2 = c_defaultEnd2;
+ m_radius = c_defaultRadius;
+ m_strength = c_defaultStrength;
+}
+
+PMBlobCylinder::PMBlobCylinder( const PMBlobCylinder& c )
+ : Base( c )
+{
+ m_end1 = c.m_end1;
+ m_end2 = c.m_end2;
+ m_radius = c.m_radius;
+ m_strength = c.m_strength;
+}
+
+PMBlobCylinder::~PMBlobCylinder( )
+{
+}
+
+QString PMBlobCylinder::description( ) const
+{
+ return i18n( "blob cylinder" );
+}
+
+void PMBlobCylinder::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( "strength", m_strength );
+ Base::serialize( e, doc );
+}
+
+void PMBlobCylinder::readAttributes( const PMXMLHelper& h )
+{
+ m_end1 = h.vectorAttribute( "end_a", c_defaultEnd1 );
+ m_end2 = h.vectorAttribute( "end_b", c_defaultEnd2 );
+ m_radius = h.doubleAttribute( "radius", c_defaultRadius );
+ m_strength = h.doubleAttribute( "strength", c_defaultStrength );
+ Base::readAttributes( h );
+}
+
+PMMetaObject* PMBlobCylinder::metaObject( ) const
+{
+ if( !s_pMetaObject )
+ {
+ s_pMetaObject = new PMMetaObject( "BlobCylinder", Base::metaObject( ),
+ createNewBlobCylinder );
+ s_pMetaObject->addProperty(
+ new PMBlobCylinderProperty( "end1", &PMBlobCylinder::setEnd1,
+ &PMBlobCylinder::end1 ) );
+ s_pMetaObject->addProperty(
+ new PMBlobCylinderProperty( "end2", &PMBlobCylinder::setEnd2,
+ &PMBlobCylinder::end2 ) );
+ s_pMetaObject->addProperty(
+ new PMBlobCylinderProperty( "radius", &PMBlobCylinder::setRadius,
+ &PMBlobCylinder::radius ) );
+ s_pMetaObject->addProperty(
+ new PMBlobCylinderProperty( "strength", &PMBlobCylinder::setStrength,
+ &PMBlobCylinder::strength ) );
+ }
+ return s_pMetaObject;
+}
+
+void PMBlobCylinder::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 PMBlobCylinder::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 PMBlobCylinder::setRadius( double radius )
+{
+ if( m_radius != radius )
+ {
+ if( m_pMemento )
+ m_pMemento->addData( s_pMetaObject, PMRadiusID, m_radius );
+ m_radius = radius;
+ setViewStructureChanged( );
+ }
+}
+
+void PMBlobCylinder::setStrength( double s )
+{
+ if( s != m_strength )
+ {
+ if( m_pMemento )
+ m_pMemento->addData( s_pMetaObject, PMStrengthID, m_strength );
+ m_strength = s;
+ }
+}
+
+PMDialogEditBase* PMBlobCylinder::editWidget( QWidget* parent ) const
+{
+ return new PMBlobCylinderEdit( parent );
+}
+
+void PMBlobCylinder::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 PMStrengthID:
+ setStrength( data->doubleData( ) );
+ break;
+ default:
+ kdError( PMArea ) << "Wrong ID in PMBlobCylinder::restoreMemento\n";
+ break;
+ }
+ }
+ }
+ Base::restoreMemento( s );
+}
+
+bool PMBlobCylinder::isDefault( )
+{
+ if( ( m_end1 == c_defaultEnd1 ) && ( m_end2 == c_defaultEnd2 )
+ && ( m_radius == c_defaultRadius )
+ && globalDetail( ) )
+ return true;
+ return false;
+}
+
+void PMBlobCylinder::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 * 2 + 2;
+ unsigned lineSize = vStep * uStep * 4 + vStep;
+
+ if( ptsSize != m_pViewStructure->points( ).size( ) )
+ m_pViewStructure->points( ).resize( ptsSize );
+
+ createPoints( m_pViewStructure->points( ), m_end1, m_end2, 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 );
+ }
+}
+
+PMViewStructure* PMBlobCylinder::defaultViewStructure( ) const
+{
+ if( !s_pDefaultViewStructure || s_pDefaultViewStructure->parameterKey( ) != viewStructureParameterKey( ) )
+ {
+ delete s_pDefaultViewStructure;
+ s_pDefaultViewStructure = 0;
+ int uStep = (int)( ( (float)s_uStep / 2 ) * ( displayDetail( ) + 1 ) );
+ int vStep = (int)( ( (float)s_vStep / 2 ) * ( displayDetail( ) + 1 ) );
+
+ s_pDefaultViewStructure =
+ new PMViewStructure( vStep * uStep * 2 + 2,
+ vStep * uStep * 4 + vStep );
+
+ createPoints( s_pDefaultViewStructure->points( ), c_defaultEnd1,
+ c_defaultEnd2, c_defaultRadius, uStep, vStep );
+
+ createLines( s_pDefaultViewStructure->lines( ), uStep, vStep );
+ }
+ return s_pDefaultViewStructure;
+}
+
+void PMBlobCylinder::createLines( PMLineArray& lines, int uStep, int vStep )
+{
+ int u, v;
+ int offset = 0;
+
+ // horizontal lines
+ for( u = 0; u < ( uStep * 2 ); 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 < ( 2 * uStep - 1 ); u++ )
+ {
+ lines[offset + u] =
+ PMLine( u * vStep + v + 1, ( u + 1 ) * vStep + v + 1 );
+ }
+ offset += ( 2 * uStep - 1 );
+ }
+ // lines at the "south pole"
+ for( v = 0; v < vStep; v++ )
+ lines[offset + v] = PMLine( ( 2 * uStep - 1 ) * vStep + v + 1,
+ 2 * uStep * vStep + 1 );
+ // offset += vStep;
+}
+
+void PMBlobCylinder::createPoints( PMPointArray& points, const PMVector& end1,
+ const PMVector& end2, double radius, int uStep, int vStep )
+{
+ double uRadStep = M_PI / uStep / 2.0;
+ double vRadStep = 2 * M_PI / vStep;
+ double du = uRadStep;
+
+ if( radius < 0 )
+ radius = -radius;
+
+ 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, vRadStep );
+ PMVector ortho = pointAt.orthogonal( );
+ ortho /= ortho.abs( );
+
+ points[0] = PMPoint( end1 - pointAt * radius );
+ points[vStep * uStep * 2 + 1] = PMPoint( end2 + pointAt * radius );
+
+ int u, v;
+ for( u = 0; u < uStep; u++ )
+ {
+ PMVector end = ortho * radius * sin( du );
+ PMVector pv = pointAt * radius * cos( du );
+ PMVector e1 = end1 - pv;
+ PMVector e2 = end2 + pv;
+
+ for( v = 0; v < vStep; v++ )
+ {
+ points[u * vStep + v + 1] = PMPoint( e1 + end );
+ points[vStep * uStep * 2 - ( u + 1 ) * vStep + v + 1]
+ = PMPoint( e2 + end );
+ end = rotation * end;
+ }
+ du += uRadStep;
+ }
+}
+
+void PMBlobCylinder::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 PMBlobCylinder::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 PMBlobCylinder::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 PMBlobCylinder::setUSteps( int u )
+{
+ if( u >= 2 )
+ {
+ s_uStep = u;
+ if( s_pDefaultViewStructure )
+ {
+ delete s_pDefaultViewStructure;
+ s_pDefaultViewStructure = 0;
+ }
+ }
+ else
+ kdDebug( PMArea ) << "PMBlobCylinder::setUSteps: U must be greater than 1\n";
+ s_parameterKey++;
+}
+
+void PMBlobCylinder::setVSteps( int v )
+{
+ if( v >= 4 )
+ {
+ s_vStep = v;
+ if( s_pDefaultViewStructure )
+ {
+ delete s_pDefaultViewStructure;
+ s_pDefaultViewStructure = 0;
+ }
+ }
+ else
+ kdDebug( PMArea ) << "PMBlobCylinder::setVSteps: V must be greater than 3\n";
+ s_parameterKey++;
+}
+
+void PMBlobCylinder::cleanUp( ) const
+{
+ if( s_pDefaultViewStructure )
+ delete s_pDefaultViewStructure;
+ s_pDefaultViewStructure = 0;
+ if( s_pMetaObject )
+ {
+ delete s_pMetaObject;
+ s_pMetaObject = 0;
+ }
+ Base::cleanUp( );
+}