diff options
Diffstat (limited to 'karbon/visitors/vdrawselection.cpp')
| -rw-r--r-- | karbon/visitors/vdrawselection.cpp | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/karbon/visitors/vdrawselection.cpp b/karbon/visitors/vdrawselection.cpp new file mode 100644 index 00000000..dbd93247 --- /dev/null +++ b/karbon/visitors/vdrawselection.cpp @@ -0,0 +1,174 @@ +/* This file is part of the KDE project + Copyright (C) 2002, The Karbon Developers + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public License + along with this library; see the file COPYING.LIB. If not, write to + the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. +*/ + + +#include "vdrawselection.h" +#include "vcomposite.h" +#include "vsegment.h" +#include "vcolor.h" +#include "vstroke.h" +#include "vpainter.h" +#include "vpath.h" + +void +VDrawSelection::visitVPath( VPath &composite ) +{ + if( + composite.state() == VObject::deleted || + composite.state() == VObject::hidden || + composite.state() == VObject::hidden_locked ) + { + return; + } + + + m_painter->save(); + m_painter->setPen( TQt::SolidLine ); + + const bool editnodes = composite.state() == VObject::edit && m_nodeediting; + + VSubpathListIterator itr( composite.paths() ); + + if( + composite.state() == VObject::selected || + editnodes ) + { + // paint fill: + m_painter->newPath(); + + if( editnodes ) + m_painter->setRasterOp( TQt::XorROP ); + + m_painter->setPen( editnodes ? TQt::yellow : TQt::blue ); + m_painter->setBrush( TQt::NoBrush ); + + for( itr.toFirst(); itr.current(); ++itr ) + { + VSubpathIterator jtr( *( itr.current() ) ); + + for( ; jtr.current(); ++jtr ) + { + jtr.current()->draw( m_painter ); + } + + m_painter->strokePath(); + } + } + + // Draw nodes and control lines. + if( + composite.state() == VObject::selected || + editnodes ) + { + itr.toFirst(); + //++itr; // Skip "begin". + + for( ; itr.current(); ++itr ) + { + if( (*itr)->isEmpty() ) + continue; + VSubpathIterator jtr( *( itr.current() ) ); + //++jtr; + + for( ; jtr.current(); ++jtr ) + { + if( editnodes ) + m_painter->setRasterOp( TQt::XorROP ); + + VColor color; + color.set( 0.5, 0.5, 1.0 ); + + VStroke stroke( color ); + stroke.setLineWidth( 1.0 ); + + if( !editnodes ) + { + m_painter->setPen( stroke ); + m_painter->setPen( TQt::blue ); + } + else + m_painter->setPen( TQt::yellow ); + + m_painter->setBrush( TQt::NoBrush ); + + if( ( editnodes || composite.state() == VObject::selected && m_nodeediting ) && + jtr.current()->isCurve() ) + { + VSegment* curr = jtr.current(); + VSegment* next = curr->next(); + VSegment* prev = curr->prev(); + + // Draw control lines. + if ( curr->pointIsSelected( curr->degree()-2 ) || curr->knotIsSelected() + || ( next && next->isCurve() && next->pointIsSelected( 0 ) && curr->isSmooth() ) ) + { + m_painter->newPath(); + m_painter->moveTo( curr->point( curr->degree()-2 ) ); + m_painter->lineTo( curr->knot() ); + m_painter->strokePath(); + // Draw control node2: + m_painter->newPath(); + m_painter->setBrush( editnodes ? TQt::yellow : TQt::blue ); + m_painter->drawNode( curr->point( curr->degree()-2 ), m_nodeSize ); + m_painter->strokePath(); + } + + if ( prev && ( ( prev->knotIsSelected() || curr->pointIsSelected( 0 ) ) + || ( prev->isCurve() && prev->pointIsSelected( prev->degree()-2 ) && prev->isSmooth() ) ) ) + { + m_painter->newPath(); + m_painter->moveTo( prev->knot() ); + m_painter->lineTo( curr->point( 0 ) ); + m_painter->strokePath(); + // Draw control node1: + m_painter->newPath(); + m_painter->setBrush( editnodes ? TQt::yellow : TQt::blue ); + m_painter->drawNode( curr->point( 0 ), m_nodeSize ); + m_painter->strokePath(); + } + } + + // Draw knot. + m_painter->setPen( editnodes ? TQt::yellow : TQt::blue ); + + if( !m_nodeediting ) + m_painter->setBrush( TQt::blue ); + else if( jtr.current()->knotIsSelected() ) + m_painter->setBrush( editnodes ? TQt::yellow : TQt::blue ); + else + m_painter->setBrush( TQt::white ); + + m_painter->drawNode( jtr.current()->knot(), m_nodeSize ); + } + } + } + + // Draw center node. + if( composite.drawCenterNode() && composite.state() == VObject::selected && !m_nodeediting ) + { + m_painter->setPen( TQt::NoPen ); + m_painter->setBrush( TQt::blue.light() ); + m_painter->drawNode( composite.boundingBox().center(), m_nodeSize ); + } + + m_painter->restore(); + + setSuccess(); +} + |