kpresenter/png/pngexport.cpp

/* 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 "pngexport.h"
#include "exportsizedia.h"
 
typedef KGenericFactory<PngExport, KoFilter> PngExportFactory;
K_EXPORT_COMPONENT_FACTORY( libkpresenterpngexport, PngExportFactory( "pngexport" ) )
 
PngExport::PngExport(KoFilter *fil, const char *name, const TQStringList&lst)
    : ImageExport(fil,name,lst)
{
}
 
PngExport::~PngExport()
{
}
 
bool PngExport::extraImageAttribute()
{
    bool ret = false;
    ExportSizeDia  *exportDialog = new ExportSizeDia( width, height,
                           0, "exportdialog");
    if (exportDialog->exec()) {
    width  = exportDialog->width();
    height = exportDialog->height();
    ret = true;
    kdDebug() << "PNG Export: size = [" << width << "," << height << "]" << endl;
    }
    delete exportDialog;
    return ret;
}
 
const char * PngExport::exportFormat()
{
    return "image/png";
}
 
bool PngExport::saveImage( TQString fileName)
{
    bool ret = pixmap.save( fileName, "PNG" );
    // Save the image.
    if ( !ret ) {
        KMessageBox::error( 0, i18n( "Failed to write file." ),
                            i18n( "PNG Export Error" ) );
    }
    return ret;
}
 
 
#include "pngexport.moc"