File indexing completed on 2025-01-19 13:26:34

 /* This file is part of the KDE project
    Copyright (C) 2002-2004 Rob Buis <buis@kde.org>
    Copyright (C) 2002 Lennart Kudling <kudling@kde.org>
    Copyright (C) 2002 Werner Trobin <trobin@kde.org>
    Copyright (C) 2004 Nicolas Goutte <nicolasg@snafu.de>
    Copyright (C) 2005 Tim Beaulen <tbscope@gmail.com>
    Copyright (C) 2005 Thomas Zander <zander@kde.org>
    Copyright (C) 2005-2006 David Faure <faure@kde.org>
    Copyright (C) 2006 Inge Wallin <inge@lysator.liu.se>
    Copyright (C) 2006 Laurent Montel <montel@kde.org>
    Copyright (C) 2006 Christian Mueller <cmueller@gmx.de>
    Copyright (C) 2007-2008,2012 Jan Hambrecht <jaham@gmx.net>
    Copyright (C) 2019 Dag Andersen <danders@get2net.dk>
 
    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 "ImageExport.h"
 #include "ImageExportOptionsWidget.h"
 
 #include <KarbonDocument.h>
 #include <KoDocument.h>
 
 #include <KoShapePainter.h>
 #include <KoFilter.h>
 #include <KoFilterChain.h>
 #include <KoFilterManager.h>
 #include <KoZoomHandler.h>
 #include <KoUnit.h>
 #include <KoDialog.h>
 #include <KoPAPageBase.h>
 
 #include <kpluginfactory.h>
 
 #include <QImage>
 
 K_PLUGIN_FACTORY_WITH_JSON(PngExportFactory, "calligra_filter_karbon2image.json",
                            registerPlugin<ImageExport>();)
 
 
 ImageExport::ImageExport(QObject*parent, const QVariantList&)
     : KoFilter(parent)
 {
 }
 
 KoFilter::ConversionStatus ImageExport::convert(const QByteArray& from, const QByteArray& to)
 {
     if (from != KoOdf::mimeType(KoOdf::Graphics)) {
         return KoFilter::BadMimeType;
     }
 
     QString format;
 
     if (to == "image/png") {
         format = "PNG";
     } else if (to == "image/jpeg") {
         format = "JPEG";
     } else {
         return KoFilter::BadMimeType;
     }
 
     KarbonDocument *doc = dynamic_cast<KarbonDocument*>(m_chain->inputDocument());
     if (!doc) {
         return KoFilter::InternalError;
     }
 
     KoPAPageBase *page = doc->pages().first();
 
     KoShapePainter painter;
     painter.setShapes(page->shapes());
 
     // get the bounding rect of the content
     QRectF shapesRect = painter.contentRect();
     // get the size in point
     QSizeF pointSize = shapesRect.size();
     // get the size in pixel (100% zoom)
     KoZoomHandler zoomHandler;
     QSize pixelSize = zoomHandler.documentToView(pointSize).toSize();
     //transparent white by default
     QColor backgroundColor(QColor(255, 255, 255, 0));
 
     if (! m_chain->manager()->getBatchMode()) {
         QApplication::restoreOverrideCursor();
         ImageExportOptionsWidget * widget = new ImageExportOptionsWidget(doc);
         widget->setUnit(doc->unit());
         widget->setBackgroundColor(backgroundColor);
         widget->enableBackgroundOpacity(format == "PNG");
 
         KoDialog dlg;
         dlg.setCaption(i18n("%1 Export Options", format));
         dlg.setButtons(KoDialog::Ok | KoDialog::Cancel);
         dlg.setMainWidget(widget);
         int result = dlg.exec();
         QApplication::setOverrideCursor(Qt::BusyCursor);
         if (result != QDialog::Accepted) {
             return KoFilter::UserCancelled;
         }
         pixelSize = widget->pixelSize();
         backgroundColor = widget->backgroundColor();
 
         page = widget->page();
         if (!page) {
             return KoFilter::InternalError;
         }
         painter.setShapes(page->shapes());
     }
 
     QImage image(pixelSize, QImage::Format_ARGB32);
 
     // draw the background of the image
     image.fill(backgroundColor.rgba());
 
     // paint the shapes
     painter.paint(image);
 
     if(!image.save(m_chain->outputFile(), format.toLatin1())) {
         return KoFilter::CreationError;
     }
 
     return KoFilter::OK;
 }
 
 #include "ImageExport.moc"