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koffice/karbon/visitors/vcomputeboundingbox.cc

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/* This file is part of the KDE project
Copyright (C) 2006 Jan Hambrecht <jaham@gmx.net>
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 "vcomputeboundingbox.h"
#include "vdocument.h"
#include "vlayer.h"
#include "vgroup.h"
#include "vcomposite.h"
#include "vtext.h"
#include "vimage.h"
VComputeBoundingBox::VComputeBoundingBox( bool omitHidden )
: m_omitHidden( omitHidden )
{
}
void
VComputeBoundingBox::visitVDocument( VDocument& document )
{
VLayerListIterator itr( document.layers() );
for( ; itr.current(); ++itr )
{
if( itr.current()->state() == VObject::deleted )
continue;
// do not use hidden layers
if( m_omitHidden && ! isVisible( itr.current() ) )
continue;
itr.current()->accept( *this );
}
}
void
VComputeBoundingBox::visitVLayer( VLayer& layer )
{
VObjectListIterator itr( layer.objects() );
for( ; itr.current(); ++itr )
{
if( itr.current()->state() == VObject::deleted )
continue;
// do not export hidden objects
if( m_omitHidden && ! isVisible( itr.current() ) )
continue;
itr.current()->accept( *this );
}
}
void
VComputeBoundingBox::visitVGroup( VGroup& group )
{
VObjectListIterator itr( group.objects() );
for( ; itr.current(); ++itr )
{
if( itr.current()->state() == VObject::deleted )
continue;
// do not use hidden child objects
if( m_omitHidden && ! isVisible( itr.current() ) )
continue;
itr.current()->accept( *this );
}
}
void
VComputeBoundingBox::visitVPath( VPath& composite )
{
m_boundingBox |= composite.boundingBox();
}
void
VComputeBoundingBox::visitVText( VText& text )
{
m_boundingBox |= text.boundingBox();
}
void
VComputeBoundingBox::visitVImage( VImage& img )
{
m_boundingBox |= img.boundingBox();
}
bool
VComputeBoundingBox::isVisible( const VObject* object ) const
{
return object->state() != VObject::hidden && object->state() != VObject::hidden_locked;
}
const KoRect&
VComputeBoundingBox::boundingRect() const
{
return m_boundingBox;
}