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492 lines
12 KiB
492 lines
12 KiB
/* This file is doc of the KDE project
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Copyright (C) 2001, 2002, 2003 The Karbon Developers
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include <klocale.h>
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#include "vcomposite.h"
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#include "vpath.h"
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#include "vsegment.h"
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#include "vselection.h"
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#include "vtext.h"
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#include "vimage.h"
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#include "vtransformcmd.h"
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#include "vstroke.h"
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#include "vfill.h"
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#include "vdocument.h"
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#include <kdebug.h>
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VTransformCmd::VTransformCmd( VDocument *doc, const TQWMatrix& mat, bool duplicate )
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: VCommand( doc, i18n( "Transform Objects" ) ), m_mat( mat ), m_duplicate( duplicate )
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{
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m_selection = ( document() && document()->selection() )
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? document()->selection()->clone()
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: new VSelection();
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if( m_duplicate )
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{
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if( !m_selection || m_selection->objects().count() == 1 )
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setName( i18n( "Duplicate Object" ) );
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else
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setName( i18n( "Duplicate Objects" ) );
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}
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else if( !m_selection || m_selection->objects().count() == 1 )
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setName( i18n( "Transform Object" ) );
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}
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VTransformCmd::VTransformCmd( VDocument *doc, const TQString& name, const TQString& icon, bool duplicate )
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: VCommand( doc, name, icon ), m_duplicate( duplicate )
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{
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m_selection = ( document() && document()->selection() )
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? document()->selection()->clone()
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: new VSelection();
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if( m_duplicate )
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{
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if( !m_selection || m_selection->objects().count() == 1 )
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setName( i18n( "Duplicate Object" ) );
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else
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setName( i18n( "Duplicate Objects" ) );
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}
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}
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VTransformCmd::~VTransformCmd()
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{
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delete( m_selection );
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m_selection = 0L;
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}
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void
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VTransformCmd::execute()
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{
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VObjectListIterator itr( m_selection->objects() );
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if( m_duplicate )
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{
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// clone original objects, add duplicates to document, transform and select them
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VObject *copy = 0L;
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for( ; itr.current() ; ++itr )
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{
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copy = itr.current()->clone();
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visit( *copy );
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document()->append( copy );
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document()->selection()->take( *itr.current() );
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document()->selection()->append( copy );
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m_duplicates.append( copy );
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}
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}
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else
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{
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// clear selection ...
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document()->selection()->clear();
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// transform objects
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for( ; itr.current() ; ++itr )
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{
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visit( *itr.current() );
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}
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// ... and re-add all objects incase we are re-executing the command
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document()->selection()->append( m_selection->objects() );
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}
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setSuccess( true );
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}
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void
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VTransformCmd::unexecute()
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{
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// inverting the matrix should undo the affine transformation
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m_mat = m_mat.invert();
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if( m_duplicate )
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{
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// remove duplicated objects
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VObjectListIterator itr( m_duplicates );
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for( ; itr.current() ; ++itr )
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{
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document()->selection()->take( *itr.current() );
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itr.current()->setState( VObject::deleted );
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}
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VObjectListIterator jtr( m_selection->objects() );
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// add original selection objects to new selection
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for( ; jtr.current() ; ++jtr )
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{
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document()->selection()->append( jtr.current() );
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}
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}
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else
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{
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document()->selection()->clear();
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// move objects back to original position
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visit( *m_selection );
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document()->selection()->append( m_selection->objects() );
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}
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// reset
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m_mat = m_mat.invert();
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setSuccess( false );
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}
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void
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VTransformCmd::visitVObject( VObject& object )
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{
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// Apply transformation to gradients.
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VStroke* stroke = object.stroke();
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if( stroke && stroke->type() == VStroke::grad )
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stroke->gradient().transform( m_mat );
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else if( stroke && stroke->type() == VStroke::patt )
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stroke->pattern().transform( m_mat );
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VFill* fill = object.fill();
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if( fill && fill->type() == VFill::grad )
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fill->gradient().transform( m_mat );
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else if( fill && fill->type() == VFill::patt )
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fill->pattern().transform( m_mat );
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}
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void
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VTransformCmd::visitVPath( VPath& composite )
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{
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if( composite.state() == VObject::hidden ||
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composite.state() == VObject::normal_locked ||
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composite.state() == VObject::hidden_locked )
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return;
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visitVObject( composite );
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composite.transform( m_mat );
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VVisitor::visitVPath( composite );
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}
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void
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VTransformCmd::visitVSubpath( VSubpath& path )
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{
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if( path.state() == VObject::hidden ||
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path.state() == VObject::normal_locked ||
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path.state() == VObject::hidden_locked )
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return;
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VSegment* segment = path.first();
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while( segment )
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{
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for( unsigned short i = 0; i < segment->degree(); ++i )
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{
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segment->setPoint( i, segment->point( i ).transform( m_mat ) );
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}
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segment = segment->next();
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}
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path.invalidateBoundingBox();
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}
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void
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VTransformCmd::visitVText( VText& text )
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{
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if( text.state() == VObject::hidden ||
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text.state() == VObject::normal_locked ||
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text.state() == VObject::hidden_locked )
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return;
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visitVObject( text );
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visit( text.basePath() );
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VPathListIterator itr( text.glyphs() );
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for( ; itr.current() ; ++itr )
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{
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visit( *itr.current() );
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}
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text.invalidateBoundingBox();
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}
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void
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VTransformCmd::visitVImage( VImage &img )
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{
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if( img.state() == VObject::hidden ||
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img.state() == VObject::normal_locked ||
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img.state() == VObject::hidden_locked )
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return;
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img.transform( m_mat );
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}
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VTranslateCmd::VTranslateCmd( VDocument *doc, double d1, double d2, bool duplicate )
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: VTransformCmd( doc, i18n( "Translate Objects" ), "translate", duplicate )
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{
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if( !duplicate && ( !m_selection || m_selection->objects().count() == 1 ) )
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setName( i18n( "Translate Object" ) );
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m_mat.translate( d1, d2 );
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}
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VScaleCmd::VScaleCmd( VDocument *doc, const KoPoint& p, double s1, double s2, bool duplicate )
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: VTransformCmd( doc, i18n( "Scale Objects" ), "14_select", duplicate )
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{
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if( !duplicate && ( !m_selection || m_selection->objects().count() == 1 ) )
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setName( i18n( "Scale Object" ) );
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m_mat.translate( p.x(), p.y() );
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m_mat.scale( s1, s2 );
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m_mat.translate( -p.x(), -p.y() );
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}
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VShearCmd::VShearCmd( VDocument *doc, const KoPoint& p, double s1, double s2, bool duplicate )
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: VTransformCmd( doc, i18n( "Shear Objects" ), "14_shear", duplicate )
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{
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if( !duplicate && ( !m_selection || m_selection->objects().count() == 1 ) )
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setName( i18n( "Shear Object" ) );
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m_mat.translate( p.x(), p.y() );
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m_mat.shear( s1, s2 );
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m_mat.translate( -p.x(), -p.y() );
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}
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VRotateCmd::VRotateCmd( VDocument *doc, const KoPoint& p, double angle, bool duplicate )
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: VTransformCmd( doc, i18n( "Rotate Objects" ), "14_rotate", duplicate )
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{
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if( !duplicate && ( !m_selection || m_selection->objects().count() == 1 ) )
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setName( i18n( "Rotate Object" ) );
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m_mat.translate( p.x(), p.y() );
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m_mat.rotate( angle );
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m_mat.translate( -p.x(), -p.y() );
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}
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VTranslateBezierCmd::VTranslateBezierCmd( VDocument *doc, VSegment *segment, double d1, double d2, bool firstControl )
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: VCommand( doc, i18n( "Translate Bezier" ) ), m_segment( segment ), m_firstControl( firstControl )
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, m_subpath(0L)
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{
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m_mat.translate( d1, d2 );
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m_segmenttwo = 0L;
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if( document() && document()->selection() )
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{
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VObjectListIterator itr( document()->selection()->objects() );
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// find subpath containing the segment
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for( ; itr.current() ; ++itr )
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visit( *itr.current() );
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}
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}
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VTranslateBezierCmd::~VTranslateBezierCmd()
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{
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}
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void
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VTranslateBezierCmd::execute()
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{
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if( m_segment->degree() == 3 )
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{
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TQWMatrix m2( m_mat.m11(), m_mat.m12(), m_mat.m21(), m_mat.m22(), -m_mat.dx(), -m_mat.dy() );
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if( m_firstControl )
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{
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if( m_segment->prev() &&
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m_segment->prev()->degree() == 3 &&
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m_segment->prev()->isSmooth() )
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{
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m_segmenttwo = m_segment->prev();
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for( uint i = 0;i < m_segmenttwo->degree();i++ )
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{
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m_segmenttwo->selectPoint( i, i == 1 );
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if( i == 1 )
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m_segmenttwo->setPoint( i, m_segmenttwo->point( i ).transform( m2 ) );
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}
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}
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}
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else
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{
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m_segmenttwo = ( m_segment->isSmooth() && m_segment->next()->degree() == 3 ) ? m_segment->next() : 0L;
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if( m_segmenttwo )
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{
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for( uint i = 0;i < m_segmenttwo->degree();i++ )
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{
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m_segmenttwo->selectPoint( i, i == 0 );
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if( i == 0 )
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m_segmenttwo->setPoint( i, m_segmenttwo->point( i ).transform( m2 ) );
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}
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}
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}
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for( uint i = 0;i < m_segment->degree();i++ )
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{
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m_segment->selectPoint( i, i == uint( m_firstControl ? 0 : 1 ) );
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if( i == uint( m_firstControl ? 0 : 1 ) )
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m_segment->setPoint( i, m_segment->point( i ).transform( m_mat ) );
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}
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}
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if( m_subpath )
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m_subpath->invalidateBoundingBox();
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setSuccess( true );
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}
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void
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VTranslateBezierCmd::unexecute()
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{
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TQWMatrix m2( m_mat.m11(), m_mat.m12(), m_mat.m21(), m_mat.m22(), -m_mat.dx(), -m_mat.dy() );
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if( m_segment )
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{
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for( uint i = 0;i < m_segment->degree();i++ )
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{
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m_segment->selectPoint( i, i == uint( m_firstControl ? 0 : 1 ) );
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if( i == uint( m_firstControl ? 0 : 1 ) )
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m_segment->setPoint( i, m_segment->point( i ).transform( m_mat.invert() ) );
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}
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if( m_segmenttwo )
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{
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uint index = m_firstControl ? 1 : 0;
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for( uint i = 0;i < m_segmenttwo->degree();i++ )
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{
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m_segmenttwo->selectPoint( i, i == index );
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if( i == index )
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m_segmenttwo->setPoint( i, m_segmenttwo->point( i ).transform( m2.invert() ) );
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}
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}
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}
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setSuccess( false );
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}
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void
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VTranslateBezierCmd::visitVSubpath( VSubpath& path )
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{
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if( m_subpath )
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return;
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VSegment* segment = path.first();
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// check all segments of the path
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while( segment )
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{
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if( segment == m_segment )
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{
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m_subpath = &path;
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break;
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}
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segment = segment->next();
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}
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}
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VTranslatePointCmd::VTranslatePointCmd( VDocument *doc, double d1, double d2 )
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: VCommand( doc, i18n( "Translate Points" ), "translate" )
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{
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m_mat.translate( d1, d2 );
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if( document() && document()->selection() )
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{
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VObjectListIterator itr( document()->selection()->objects() );
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// collect all points to translate
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for( ; itr.current() ; ++itr )
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visit( *itr.current() );
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if( m_segPnts.size() > 1 || ( m_segPnts.size() == 0 && m_segPnts.begin().data().size() > 1 ) )
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setName( i18n( "Translate Point" ) );
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}
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}
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VTranslatePointCmd::~VTranslatePointCmd()
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{
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}
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void
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VTranslatePointCmd::execute()
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{
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translatePoints();
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setSuccess( true );
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}
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void
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VTranslatePointCmd::unexecute()
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{
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m_mat = m_mat.invert();
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translatePoints();
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m_mat = m_mat.invert();
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setSuccess( false );
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}
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void
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VTranslatePointCmd::visitVSubpath( VSubpath& path )
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{
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if( path.state() == VObject::hidden ||
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path.state() == VObject::normal_locked ||
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path.state() == VObject::hidden_locked )
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return;
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VSegment* segment = path.first();
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uint segCnt = m_segPnts.size();
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// save indices of selected points for all segments
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while( segment )
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{
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TQValueVector<int> pnts;
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for( unsigned short i = 0; i < segment->degree(); ++i )
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{
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if( segment->pointIsSelected( i ) )
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pnts.push_back( i );
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}
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if( pnts.size() )
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m_segPnts[segment] = pnts;
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segment = segment->next();
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}
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// save subpaths which have selected points
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if( segCnt != m_segPnts.size() )
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m_subpaths.append( &path );
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}
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void
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VTranslatePointCmd::translatePoints()
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{
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TQMap<VSegment*, TQValueVector<int> >::iterator it, et = m_segPnts.end();
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// iterate over the segments and transform all selected points
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for( it = m_segPnts.begin(); it != et; ++it )
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{
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VSegment *segment = it.key();
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TQValueVector<int> &pnts = it.data();
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int pntCnt = pnts.size();
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for( int i = 0; i < pntCnt; ++i )
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segment->setPoint( pnts[i], segment->point( pnts[i] ).transform( m_mat ) );
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}
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// invalidate all changed subpaths
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VObjectListIterator itr( m_subpaths );
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for( ; itr.current(); ++itr )
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itr.current()->invalidateBoundingBox();
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}
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