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koffice/filters/kpresenter/libimageexport/imageexport.cpp

100 lines
3.1 KiB

/* This file is part of the KDE project
Copyright (C) 2005 Laurent Montel <montel@kde.org>
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 <tqpixmap.h>
#include <tqpainter.h>
#include <tdemessagebox.h>
#include <KoFilterChain.h>
#include <KoStore.h>
#include <kgenericfactory.h>
#include <KoDocument.h>
#include "KPrDocument.h"
#include "KPrView.h"
#include "KPrCanvas.h"
#include "imageexport.h"
ImageExport::ImageExport(KoFilter *, const char *, const TQStringList&)
: KoFilter()
{
}
ImageExport::~ImageExport()
{
}
KoFilter::ConversionStatus
ImageExport::convert(const TQCString& from, const TQCString& to)
{
KoDocument * document = m_chain->inputDocument();
if ( !document )
return KoFilter::StupidError;
if ( strcmp(document->className(), "KPrDocument") != 0)
{
kdWarning() << "document isn't a KPrDocument but a "
<< document->className() << endl;
return KoFilter::NotImplemented;
}
// Check for proper conversion.
if ( from != "application/x-kpresenter" || to != exportFormat() )
{
kdWarning() << "Invalid mimetypes " << to << " " << from << endl;
return KoFilter::NotImplemented;
}
KPrDocument * kpresenterdoc = const_cast<KPrDocument *>(static_cast<const KPrDocument *>(document));
if ( kpresenterdoc->mimeType() != "application/x-kpresenter" )
{
kdWarning() << "Invalid document mimetype " << kpresenterdoc->mimeType() << endl;
return KoFilter::NotImplemented;
}
KoPageLayout layoutPage= kpresenterdoc->pageLayout();
width = int( layoutPage.ptWidth );
height = int( layoutPage.ptHeight );
if (extraImageAttribute())
{
KPrView* view = static_cast<KPrView*>( kpresenterdoc->views().getFirst());
if ( view ) // no view if embedded document
{
KPrCanvas * canvas = view->getCanvas();
canvas->drawPageInPix( pixmap, view->getCurrPgNum()-1, 0, true, width,height );
}
else //when it's embedded we use just it.
{
pixmap = TQPixmap(width, height);
TQPainter painter(&pixmap);
kpresenterdoc->paintContent(painter, pixmap.rect(), false);
}
if( !saveImage( m_chain->outputFile()))
return KoFilter::CreationError;
return KoFilter::OK;
}
return KoFilter::UserCancelled;
}
#include "imageexport.moc"