summaryrefslogtreecommitdiffstats log msg author committer range
blob: 8f49bb1859e386f5a6ce8901f0f84aa7f264f41b (plain)
 ```1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 ``` ``````/* ************************************************************************** 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 "pmdistancecontrolpoint.h" #include "pmmath.h" #include "pmdebug.h" #include PMDistanceControlPoint::PMDistanceControlPoint( PMControlPoint* base, const PMVector& direction, double distance, int id, const TQString& description, bool showExtraLine ) : PMControlPoint( id, description ) { m_distance = distance; m_pBasePoint = base; m_direction = direction; m_directionLength = direction.abs( ); m_extraLine = showExtraLine; } PMDistanceControlPoint::PMDistanceControlPoint( const PMVector& base, const PMVector& direction, double distance, int id, const TQString& description, bool showExtraLine ) : PMControlPoint( id, description ) { m_distance = distance; m_constBasePoint = base; m_pBasePoint = 0; m_direction = direction; m_directionLength = direction.abs( ); m_extraLine = showExtraLine; } PMVector PMDistanceControlPoint::position( ) const { if( m_pBasePoint ) return m_pBasePoint->position( ) + m_direction * m_distance; return m_constBasePoint + m_direction * m_distance; } PMVector PMDistanceControlPoint::basePoint( ) const { if( m_pBasePoint ) return m_pBasePoint->position( ); return m_constBasePoint; } void PMDistanceControlPoint::setDirection( const PMVector& direction ) { m_direction = direction; m_directionLength = direction.abs( ); } void PMDistanceControlPoint::graphicalChangeStarted( ) { m_originalDistance = m_distance; } void PMDistanceControlPoint::graphicalChange( const PMVector& startPoint, const PMVector& /*viewNormal*/, const PMVector& endPoint ) { if( !approxZero( m_directionLength ) ) m_distance = m_originalDistance + PMVector::dot( endPoint - startPoint, m_direction ) / ( m_directionLength * m_directionLength ); } void PMDistanceControlPoint::snapToGrid( ) { double d = moveGrid( ); if( !approxZero( d ) ) m_distance = rint( m_distance / d ) * d; setChanged( ); } ``````