1 files changed, 125 insertions, 0 deletions
diff --git a/tools/thumbnail/kofficecreator.cpp b/tools/thumbnail/kofficecreator.cpp
new file mode 100644
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--- /dev/null
+++ b/tools/thumbnail/kofficecreator.cpp
@@ -0,0 +1,125 @@
+/*  This file is part of the KDE libraries
+    Copyright (C) 2002 Simon MacMullen
+
+    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.
+*/
+
+// $Id: kofficecreator.cpp 508787 2006-02-12 18:28:12Z ingwa $
+
+#include <time.h>
+
+#include <qpixmap.h>
+#include <qimage.h>
+#include <qpainter.h>
+
+#include <kapplication.h>
+#include <kfileitem.h>
+#include <ktrader.h>
+#include <klibloader.h>
+#include <kparts/part.h>
+#include <kparts/componentfactory.h>
+
+#include "kofficecreator.h"
+#include <KoStore.h>
+#include <KoDocument.h>
+#include "koffice_export.h"
+
+extern "C"
+{
+    KOFFICETOOLS_EXPORT ThumbCreator *new_creator()
+    {
+        return new KOfficeCreator;
+    }
+}
+
+KOfficeCreator::KOfficeCreator()
+    : m_doc(0)
+{
+}
+
+KOfficeCreator::~KOfficeCreator()
+{
+    delete m_doc;
+}
+
+bool KOfficeCreator::create(const QString &path, int width, int height, QImage &img)
+{
+    KoStore* store = KoStore::createStore(path, KoStore::Read);
+
+    if ( store && ( store->open( QString("Thumbnails/thumbnail.png") ) || store->open( QString("preview.png") ) ) )
+    {
+        // Hooray! No long delay for the user...
+        QByteArray bytes = store->read(store->size());
+        store->close();
+        delete store;
+        return img.loadFromData(bytes);
+    }
+    delete store;
+
+    QString mimetype = KMimeType::findByPath( path )->name();
+
+    m_doc = KParts::ComponentFactory::createPartInstanceFromQuery<KoDocument>( mimetype, QString::null);
+
+    if (!m_doc) return false;
+
+    connect(m_doc, SIGNAL(completed()), SLOT(slotCompleted()));
+
+    KURL url;
+    url.setPath( path );
+    m_doc->setCheckAutoSaveFile( false );
+    m_doc->setAutoErrorHandlingEnabled( false ); // don't show message boxes
+    if ( !m_doc->openURL( url ) )
+        return false;
+    m_completed = false;
+    startTimer(5000);
+    while (!m_completed)
+        kapp->processOneEvent();
+    killTimers();
+
+    // render the page on a bigger pixmap and use smoothScale,
+    // looks better than directly scaling with the QPainter (malte)
+    QPixmap pix;
+    if (width > 400)
+    {
+        pix = m_doc->generatePreview(QSize(width, height));
+    }
+    else
+    {
+        pix = m_doc->generatePreview(QSize(400, 400));
+    }
+
+    img = pix.convertToImage();
+    return true;
+}
+
+void KOfficeCreator::timerEvent(QTimerEvent *)
+{
+    m_doc->closeURL();
+    m_completed = true;
+}
+
+void KOfficeCreator::slotCompleted()
+{
+    m_completed = true;
+}
+
+ThumbCreator::Flags KOfficeCreator::flags() const
+{
+    return (Flags)(DrawFrame | BlendIcon);
+}
+
+#include "kofficecreator.moc"
+