diff options
Diffstat (limited to 'kpovmodeler/pmsorcontrolpoint.cpp')
| -rw-r--r-- | kpovmodeler/pmsorcontrolpoint.cpp | 228 |
1 files changed, 228 insertions, 0 deletions
diff --git a/kpovmodeler/pmsorcontrolpoint.cpp b/kpovmodeler/pmsorcontrolpoint.cpp new file mode 100644 index 00000000..88924d05 --- /dev/null +++ b/kpovmodeler/pmsorcontrolpoint.cpp @@ -0,0 +1,228 @@ +/* +************************************************************************** + description + -------------------- + copyright : (C) 2000-2001 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 "pmsorcontrolpoint.h" +#include "pmmath.h" +#include <math.h> + +PMSorControlPoint::PMSorControlPoint( PMSorControlPoint* prev, + const PMVector& point, + PMSorControlPoint::CPType type, int id, + const QString& description ) + : PMControlPoint( id, description ) +{ + m_point = point; + m_type = type; + m_pPrev = prev; + if( m_pPrev ) + m_pPrev->m_pNext = this; + m_pNext = 0; + m_pSorLink = 0; +} + +void PMSorControlPoint::graphicalChangeStarted( ) +{ + if( m_pPrev && !m_pPrev->m_pPrev && !m_pPrev->selected( ) ) + m_pPrev->graphicalChangeStarted( ); + if( m_pNext && !m_pNext->m_pNext && !m_pNext->selected( ) ) + m_pNext->graphicalChangeStarted( ); + + m_original2DPoint = m_point; + m_originalPoint = to3D( m_point ); +} + +void PMSorControlPoint::graphicalChange( const PMVector& startPoint, + const PMVector& /*viewNormal*/, + const PMVector& endPoint ) +{ + if( !m_pPrev && m_pNext->selected( ) || + !m_pNext && m_pPrev->selected( ) ) + return; + + m_point = to2D( m_originalPoint + endPoint - startPoint ); + + if( m_pSorLink && m_pSorLink->selected( ) ) + { + PMSorControlPoint* ll = m_pSorLink; + PMVector op = ll->to2D( ll->m_originalPoint + endPoint - startPoint ); + + if( ( m_point - m_original2DPoint ).abs( ) < + ( op - ll->m_original2DPoint ).abs( ) ) + m_point = op; + } + + if( m_pPrev && m_pNext ) + { + if( m_pPrev->m_pPrev ) + if( ( m_point[1] - m_pPrev->m_point[1] ) < c_sorTolerance ) + m_point[1] = m_pPrev->m_point[1] + c_sorTolerance; + if( m_pNext->m_pNext ) + if( ( m_pNext->m_point[1] - m_point[1] ) < c_sorTolerance ) + m_point[1] = m_pNext->m_point[1] - c_sorTolerance; + } + if( m_point[0] < 0.0 ) + m_point[0] = 0.0; + + if( m_pPrev && !m_pPrev->m_pPrev ) + { + m_pPrev->m_point = m_point + m_pPrev->m_original2DPoint + - m_original2DPoint; + m_pPrev->setChanged( ); + } + if( m_pNext && !m_pNext->m_pNext ) + { + m_pNext->m_point = m_point + m_pNext->m_original2DPoint + - m_original2DPoint; + m_pNext->setChanged( ); + } +} + +void PMSorControlPoint::snapToGrid( ) +{ + int i; + double d = moveGrid( ); + bool diff = false; + PMVector change( 2 ); + PMSorControlPoint* basePoint = 0; + PMSorControlPoint* linkedPoint = 0; + if( !m_pPrev ) + basePoint = m_pNext; + if( !m_pNext ) + basePoint = m_pPrev; + if( m_pPrev && !m_pPrev->m_pPrev ) + linkedPoint = m_pPrev; + if( m_pNext && !m_pNext->m_pNext ) + linkedPoint = m_pNext; + + if( basePoint && basePoint->selected( ) ) + { + m_point -= basePoint->m_point; + diff = true; + } + + if( !approxZero( d ) ) + { + for( i = 0; i < 2; i++ ) + { + change[i] = -m_point[i]; + m_point[i] = rint( m_point[i] / d ) * d; + change[i] += m_point[i]; + } + } + + if( diff ) + m_point += basePoint->m_point; + + if( linkedPoint ) + { + linkedPoint->m_point += change; + linkedPoint->setChanged( ); + } + + setChanged( ); +} + +PMVector PMSorControlPoint::to2D( const PMVector& v ) const +{ + PMVector result( 2 ); + switch( m_type ) + { + case PM2DXY: + result[0] = v[0]; + result[1] = v[1]; + break; + case PM2DXZ: + result[0] = v[0]; + result[1] = v[2]; + break; + case PM2DYZ: + result[0] = v[1]; + result[1] = v[2]; + break; + case PM2DYX: + result[0] = v[1]; + result[1] = v[0]; + break; + case PM2DZX: + result[0] = v[2]; + result[1] = v[0]; + break; + case PM2DZY: + result[0] = v[2]; + result[1] = v[1]; + break; + } + return result; +} + +PMVector PMSorControlPoint::to3D( const PMVector& vec ) const +{ + PMVector result( 3 ); + switch( m_type ) + { + case PM2DXY: + result[0] = vec[0]; + result[1] = vec[1]; + result[2] = 0.0; + break; + case PM2DXZ: + result[0] = vec[0]; + result[1] = 0.0; + result[2] = vec[1]; + break; + case PM2DYZ: + result[0] = 0.0; + result[1] = vec[0]; + result[2] = vec[1]; + break; + case PM2DYX: + result[1] = vec[0]; + result[0] = vec[1]; + result[2] = 0.0; + break; + case PM2DZX: + result[2] = vec[0]; + result[0] = vec[1]; + result[1] = 0.0; + break; + case PM2DZY: + result[2] = vec[0]; + result[1] = vec[1]; + result[0] = 0.0; + break; + } + return result; +} + +bool PMSorControlPoint::hasExtraLine( ) const +{ + return( !m_pPrev || !m_pNext ); +} + +PMVector PMSorControlPoint::extraLineStart( ) const +{ + return position( ); +} + +PMVector PMSorControlPoint::extraLineEnd( ) const +{ + if( !m_pPrev && m_pNext ) + return m_pNext->position( ); + if( m_pPrev && !m_pNext ) + return m_pPrev->position( ); + return PMVector( 0, 0, 0 ); +} |